History Writing Projects

opportunity

Developer need for a (n8n + Supabase + Frontend + AI workflows)

Experienced developer needed to finish existing web app (n8n / Supabase / Frontend / AI) I need a strong developer to help finish a partially built web app. This is not a scratch build. The core product, user flow, database direction and automation logic already exist. I need someone who can step into the current setup, quickly understand it, identify what is missing, and complete the build properly. The platform accepts user-submitted data via web/email, processes it through n8n workflows and AI integrations, stores structured outputs in Supabase, and displays personalised results in a frontend dashboard. A major part of this role is the n8n side, so I am specifically looking for someone with genuine hands-on experience in n8n, Supabase, frontend integration, debugging, and production-ready implementation. Main work: - Complete frontend integration - Finish and clean up n8n workflows - Ensure stable Supabase integration - Connect frontend, automation and database cleanly - Improve AI / structured JSON reliability - Fix broken logic, incomplete flows and loose ends - Help get the app into a usable, launch-ready state You should be comfortable with: - Auth-connected frontend logic - Supabase data integration - Dashboard/history views - Email, text or document-based workflow processing - AI API integration - JSON/schema-based outputs - Retries, fallbacks and failure handling - Saving clean records and updating statuses correctly - Debugging partially built systems Please apply only if you have real experience with: - n8n - Supabase - Frontend web app development - API integrations - AI integrations - Taking existing products over the line Please do not apply if: - You only do UI/design - You only do prompt experimentation - You want to rebuild everything from scratch without a strong reason - You are guessing your way through n8n or Supabase - You send generic copy-paste proposals To apply, please send: - A short summary of your relevant experience - Examples of work using n8n + Supabase - Examples of existing builds you finished or rescued - Confirmation that you are comfortable across frontend + n8n + Supabase - Your availability over the next 2-4 weeks - A brief note on how you would approach auditing and completing this project Important: I am only looking for someone with genuine hands-on experience who can help finish a real working system, not experiment on a live project.

opportunity

Build a Custom Management “Work Hub” for Construction Business

To ensure you are not a bot and have actually read this brief, please include the following in your proposal. If these are missing, your proposal will be declined immediately without review. The "Keyword": Start the first line of your proposal with the words "DAMPROOFING HUB UK". Location Confirmation: Confirm that you are physically based in the UK and available for UK-time-zone communication. The "AI-Free" Guarantee: We are looking for a developer who writes clean, custom code or utilizes professional-grade low-code platforms (like Caspio, Knack, or Bubble) to save us time and money—not someone using AI to generate buggy code they don't understand. Briefly state your tech stack of choice for this. Proof of Work: Provide a link or screenshots of a Job Management or Field Service system you have built previously. Generic portfolio links will be ignored. The Xero Question: Briefly explain one challenge you’ve previously overcome when integrating a custom system with Xero. Note to Chancers: We are looking for a long-term technical partner, not a one-off freelancer. We have a strict vetting process. If you do not have the specific experience requested, please save your credits. I have attached a list of the works required - our website address is www.lancasterdampproofing.co.uk We also would need ongoing support - how would you be able to help with this?

Course Content

Course Content Creator Needed We are seeking an experienced Course Content Creator to develop high-quality, engaging online learning materials for a global audience. You will be responsible for transforming expertise into structured, professional course content aligned with clear learning objectives. Key Responsibilities: Develop course outlines, modules, and lesson structures Create engaging content including scripts, slides, and quizzes Apply instructional design principles to enhance learning experience Ensure content is clear, accurate, and professionally presented Review and refine content based on feedback Requirements: Proven experience in course creation or instructional design Strong writing and content structuring skills Experience with e-learning tools (e.g. Articulate, Captivate or similar) Ability to simplify complex ideas into engaging learning content Strong attention to detail and ability to meet deadlines

Educational video script about cybersecurity for kids (8-12 year

I need a creative scriptwriter to write a 2-minute educational video script about cybersecurity basics for children aged 8 to 12. Topic: Three simple online safety rules: 1. Don't share your password (not even with friends). 2. How to spot a suspicious link. 3. Who to tell if something feels wrong online. Tone: Fun, positive, empowering. Use a "digital hero" character that kids can relate to. No fear-based messaging. Language: Spanish neutral (no regional slang from Spain or Latin America). Must be understood by any Spanish-speaking child. Deliverables: · Script in PDF with dialogue, timings (minutes:seconds), and scene notes. · Simple storyboard (Canva, PowerPoint, or even hand-drawn photos). · Suggestions for royalty-free music and sound effects. Objectives: · The video will be used for a free school campaign on YouTube and social media. · Kids should remember the 3 rules after watching. · Duration must be exactly 120 seconds (±5 seconds). What I'm NOT looking for: · Anima Type of copywriting: "...a short, engaging script for a 2-min Length of copy / word count: 350 Subject: Cybersecurity basics for children aged 8-12 (educational video script) Knowledge of subject: Yes, thorough knowledge is essential Language(s): Spanish Language level: Native (first language) Delivery date: 07/04/2026 Tone of voice: Fun, friendly, empowering, clear, and age-appropriate for children 8-12 years ol Deliverable format: PDF, DOCX, or Google Docs link Copy must follow a structure or script: Yes Target audience: Children aged 8 to 12 years old, Spanish-speaking, from any country. Also teachers and parents who w

SOCIAL MEDIA & PODCAST OUTREACH MANAGER

SOCIAL MEDIA & PODCAST OUTREACH MANAGER Freelance / Part-time · Remote · UK preferred I’m a child and adolescent psychotherapist, a university lecturer and a published author of What Your Baby Wants You to Know: The Art and Science of Bonding with Your Child. I’m looking for a motivated, organised and creatively driven individual to help me expand my professional presence, reach the audiences who will benefit most from my work, and secure guest appearances on leading parenting and mental health podcasts. What Your Baby Wants You to Know draws from my clinical experience and neuroscience to support early bonding. What you’ll be doing — Researching, pitching and following up with podcast hosts in parenting, mental health, neuroscience and wellness — including a pre-identified list of key shows such as Feel Better Live More, Happy Place, Parenting Hell, Therapy Chat and Good Inside. — Drafting tailored podcast pitches, adapting tone and angle to each show’s audience and format. — Tracking outreach, responses and confirmed bookings in a simple pipeline. — Repurposing podcast content and media coverage into LinkedIn posts to extend reach and engagement. — Managing and growing my LinkedIn presence by drafting and scheduling posts, responding to comments, and building engagement with perinatal practitioners, service leaders and mental health professionals. What I’m looking for — Excellent written English with the ability to write clearly, warmly and confidently in my voice. — Experience managing a professional LinkedIn page and understanding how to drive authentic engagement. — Strong self-direction and organisational skills — this is a remote, flexible role. — Experience supporting an author, therapist, academic or expert-practitioner with their public profile. — willing to develop relationships with podcast producers or media contacts in health, parenting or wellness. — Confidence in cold outreach — you follow up professionally and don’t get discouraged by slow replies. — An interest in psychology, mental health, parenting or child development would be a great addition

opportunity

GPhC Registered Pharmacist – PGD Consultant

We are looking for a UK GPhC-registered Clinical Pharmacist with proven experience in Patient Group Directions (PGDs) to support us in drafting a series of PGDs for private pharmacy and clinic services. This project will involve creating approximately 10 PGDs for commonly offered services such as weight loss, erectile dysfunction, hair loss, UTI treatment, travel malaria prophylaxis, and other similar areas. You will collaborate closely with our team to review templates, define appropriate clinical criteria, and ensure all documentation aligns with UK regulatory standards (MHRA & NICE guidelines). A prescribing doctor will also be involved in the final approval process. Responsibilities: Draft and structure PGD documents for assigned services Define clear inclusion and exclusion criteria Review and confirm dosing guidance, contraindications, and warnings Ensure compliance with UK PGD regulations and best practices Provide input on patient consultation and assessment questions Requirements: Must be a GPhC-registered pharmacist (UK) Proven experience in writing or reviewing PGDs or clinical protocols Strong understanding of community pharmacy services Familiarity with MHRA and NICE guidelines Project Budget: We are offering £150 per PGD. Initial engagement will be for one PGD, and upon successful completion, we will proceed with the remaining PGDs. Additional Notes: Please only apply if you are currently GPhC registered, as verification may be required.

Social Media Assistant Needed for Football Academy (UK Based)

We are a children’s football academy in the UK looking for a freelance social media assistant to help manage our Facebook and Instagram pages. Our goal is to reach more local parents and generate enquiries for football coaching sessions. Tasks • Schedule 3–4 social media posts per week • Write captions for posts • Turn short training clips into reels or short videos • Reply to comments and basic messages • Help promote trial sessions and academy updates Requirements • Experience managing Facebook and Instagram pages • Ability to create simple video content or reels • Good written English • Interest in football or children’s sports is a bonus Hours & Budget • Approx 5–8 hours per month • Budget £100–£200 per month • Remote role To Apply Please send: Examples of social media pages you have managed A short description of your experience Your hourly / Monthly rate

pre-fundedurgent

Niche Directory Link Building – Student Housing Website (USA)

I run a student housing guide website targeting University of Alabama / Tuscaloosa, Alabama (tuscaloosastudenthousing.com). I'm looking for an experienced link builder to execute a targeted directory and resource link building campaign for a specific page. THE PAGE: tuscaloosastudenthousing.com/how-to-find-a-roommate-university-of-alabama THE TASK: Find and secure placements on relevant directories, resource pages, and listings that would naturally link to this content. Target categories include: - Off-campus student housing directories (e.g. Off-Campus Partners, university housing resource pages) - Apartment listing platforms with contributed content or resource sections - Alabama / Tuscaloosa local directories - Student life and college resource websites - Relocation and renter resource pages - Any .edu adjacent pages that list off-campus housing resources WHAT I WANT: - Minimum 15 placed links - All placements must be topically relevant (student housing, rentals, Alabama/Tuscaloosa, college life) - No link farms, PBNs, or low-DA spam sites - DA 20+ preferred, but relevance beats raw DA for this niche - Full delivery report: URL of placement, anchor text used, DA, live link confirmed WHAT I DON'T WANT: - Generic directory submissions (Yellow Pages, Yelp etc.) - Any grey-hat or link scheme tactics - Links from sites with no real traffic or audience DELIVERABLE: Google Sheet or PDF report with all placements, DA scores, anchor text, and live URLs. Delivered within 5 days. BUDGET: Open to proposals. Please quote per confirmed placed link or as a fixed project fee. Include 2-3 examples of similar work you've done for niche/local sites. All links must be approved, if you would like to send them prior to taking the time to insert, please do so. I can write any necessary guest posts - do not include that in your quotes.

opportunity

AI-Assisted LinkedIn Growth & Lead Generation Manager

I am looking for a sharp, proactive operator to help us grow our LinkedIn presence and turn that growth into real business. This is not a typical social media role. Your focus is simple. Generate conversations and book discovery calls. We run an AI solutions consultancy working with businesses. You will be responsible for managing our LinkedIn activity using AI tools and turning engagement into inbound opportunities. You are not here to sit and manually write content all day. Your job is to: -Use AI tools to generate content at scale -Improve and refine that system over time -Manage the engagement and conversations that come from that content -Turn those conversations into booked calls Think of this as managing a LinkedIn lead generation system powered by AI, not creating posts from scratch What you’ll be doing -Using AI tools to generate 2 to 3 LinkedIn posts per day -Reviewing and refining AI-generated content -Improving prompts and content quality over time -Managing comments and engagement -Sending daily targeted outreach messages -Starting conversations with potential clients -Booking discovery calls directly into our calendar How we work AI does the heavy lifting. You guide it, improve it, and turn output into results. You will use AI to: -Generate posts -Draft comment replies -Draft messages You will review and control what gets sent. What we’re looking for -Someone confident using AI tools -Strong written communication -Someone who can think and improve systems, not just follow instructions -Interest in business, sales, or lead generation -Organised and consistent Experience with LinkedIn, outreach, or lead generation is a bonus

opportunity

Senior Mobile Developer

We are looking for a skilled React Native Developer to join our team and help build high-quality mobile applications. You will work closely with designers, product managers, and backend engineers to deliver scalable and user-friendly solutions. Develop and maintain mobile applications using React Native Responsibilities - Build reusable, clean, and efficient code - Collaborate with cross-functional teams to define and ship new features - Optimize app performance and ensure responsiveness across devices - Integrate APIs and third-party services - Debug and resolve technical issues Requirements - Strong experience with React Native - Solid knowledge of JavaScript / TypeScript - Experience with REST APIs and backend integration - Familiarity with Git and version control - Understanding of mobile UI/UX best practices - Ability to write clean, maintainable code - Must have access to a macOS device and an iOS device for development and testing How to apply - Your resume or portfolio - Links to apps or GitHub projects - A short introduction about your experience

Find us 10 Link Insertion Opportunities

We are looking for an experienced link builder or outreach specialist to find 10 high-quality link insertion (niche edit) opportunities in specific travel and lifestyle niches. The website admin should be willing to accept link insertions for a UK based airport transfers business. What we need: You will identify 10 existing blog posts or articles on relevant websites where we can naturally insert a backlink to our airport transfers service. These are not guest posts – we want already-published content that we can pay the site owner to add our link into. Target niches (in order of priority): 1. UK Travel & Tourism 2. Luxury & Executive Travel 3. Family & Special Needs Travel 4. Transportation (e.g., logistics, car hire, chauffeur services) 5. Local & City Guides (UK cities: London, Manchester, Birmingham, Edinburgh, etc.) 6. Lifestyle & Digital Nomad (with UK audience) Requirements for each opportunity: · UK should be the top country that gets the majority of the website's organic traffic. · Domain Authority (DA) 30+, and UR 25+ · Real organic traffic (not a PBN or spam site). The minimum monthly organic traffic should be 2500. · The existing article must be contextually relevant to airport transfers (e.g., travel tips, arriving in London, family holiday planning, business travel, accessible transport). · We must be able to insert a dofollow link naturally into the body of the post (not footer/sidebar). Deliverables: You will provide a spreadsheet with: · URL of the target article · Website name & niche · DR & UR · Monthly organic traffic · Contact email and communication with the site owner showing their willingness to accept our link insertion. · Suggested anchor text and placement (which sentence/paragraph) Budget: We will pay a fixed price for the research and list of 10 vetted opportunities (the website owners should be willing to accept our link insertions). Link insertion fees (what we pay site owners) are separate and will be handled directly by us. Please quote your fee for finding the 10 opportunities. We're looking for the blog sites only. Please write "NE for JC" in the title section of your proposal so we know that you have read the whole project details. To Apply: Please suggest 10 niche edit options that meet the aforementioned criteria

Roteirista para Shorts - Canal Skorpion Gamer

O Canal procura alguém que escreva roteiros pensados para YouTube Shorts de até 60 segundos, focados em curiosidades do universo GTA. IMPORTANTE: O trabalho não é freelancer e sim alguém que busca vestir a camisa do canal e fazer parte da equipe, com foco no crescimento! Quero algo que siga sempre a estrutura “Apresentação → Desenvolvimento → Conclusão”, mantendo ritmo acelerado e ganchos que façam o espectador assistir até o fim. O que preciso: • 7 a 10 roteiros semanais; • Linguagem leve, instigante e voltada ao público gamer. • Fatos verificados, referências in-game claras e, quando útil, citações de atualizações ou mods populares. • Indicação de cortes visuais ou efeitos sonoros importantes para ajudar o editor a ilustrar cada punchline. Requisitos: - Ter trabalhado com GTA 5 em algum momento, seja para um canal pequeno ou grande. O importante é ter uma base de conhecimento sobre GTA. Ter PC e saber mexer (IMPORTANTE). ------------------------------------------------------------------------------- The channel is looking for someone to write scripts for YouTube shorts of up to 60 seconds, focused on curiosities from the GTA universe. IMPORTANT: This is not a freelance job; it's for someone who wants to be a part of the channel and a team, focused on its growth! I want something that always follows the structure "Introduction → Development → Conclusion," maintaining a fast pace and hooks that make the viewer watch until the end. What I need: • 7 to 10 scripts per week; • Light, engaging language geared towards a gamer audience. • Verified facts, clear in-game references, and, when useful, citations of popular updates or mods. • Indication of important visual cuts or sound effects to help the editor illustrate each punchline. Requirements: - Have worked with GTA 5 at some point, whether for a small or large channel. The important thing is to have a basic knowledge of GTA. Have a PC and know how to use it (IMPORTANT).

Experienced SEO/Digital Strategy Consultant Shopify/B2B shopify

We are looking for an experienced SEO and Digital Strategy Consultant with strong Shopify and B2B ecommerce experience to help grow our website and increase both online sales and B2B enquiries. Background Universal Smart Cards is migrating its ecommerce website from OpenCart to Shopify as part of a wider digital growth strategy. The new Shopify website will act as both an ecommerce platform and a B2B lead generation website, supporting online sales, enquiries, and customer accounts. We are looking for a digital and SEO partner to help optimise the Shopify site structure, SEO, content, and conversion strategy to support long-term growth and increase both direct and indirect sales. This role will begin with a full SEO and Shopify strategy review, followed by ongoing monthly SEO and digital strategy support. You will work alongside our internal marketing and development team to improve SEO performance, website structure, content strategy, and conversion performance. Key Responsibilities • Shopify SEO (technical, on-page, collections, products) • SEO strategy and keyword planning (B2B focused) • Website structure and navigation recommendations • Landing page and content strategy • Technical SEO audits and improvements • Conversion and lead generation improvements • Aligning social media and content with SEO and lead generation • Monthly reporting and ongoing SEO improvements • Advising on AI tools and workflows for SEO and content • Required Experience   Applicants must have: • Strong Shopify SEO experience • Strong B2B SEO experience • Technical SEO knowledge • Experience improving ecommerce and lead generation websites • Experience working with developers and marketing teams • Experience creating SEO and content strategies, not just blog writing • Project Structure Phase 1: Initial audit and strategy Phase 2: Ongoing monthly SEO and digital strategy retainer Reporting We currently use SE Ranking and internal reporting platforms, and we would expect the consultant to either work within these tools or provide reporting data that can be integrated into our existing reporting systems. When Applying Please Provide • Examples of Shopify websites you have worked on • Examples of B2B SEO projects • What SEO tools you use • Your monthly retainer cost • What deliverables you provide each month Important Please start your proposal with the word SHOPIFY so we know you have read this description. Please also include one example of a Shopify website you improved and what results you achieved.

Faith-Based Fashion Social Media Manager

Social Media Manager Faith-Based Fashion Brand — Instagram/Facebook & TikTok About UdokAni: UdokAni is a faith-based apparel and accessories brand built on the values of Love, Integrity, and Stewardship. Our tagline is 'Walk with grace, shop with purpose.' We serve a community of Christian men and women who want their wardrobe and items to reflect their faith. Our store is live at [login to view URL] and we are actively growing our social media presence on Instagram and TikTok. We are not looking for someone to post generic content. We are looking for a creative, consistent, and faith-aware social media manager who understands how to build a genuine community — not just a follower count. What You Will Be Responsible For: Creating and posting 5–6 times per week on Instagram/Facebook and 4–5 times per week on TikTok Writing captions that reflect our brand voice — warm, faith-aligned, purposeful, and community-focused Designing graphics and short-form video content using Canva or similar tools Engaging with followers — responding to comments, following relevant accounts, and participating in the community Monitoring analytics weekly and reporting what is working and what needs adjustment Staying current on trending audio and content formats on TikTok and applying them to the UdokAni brand Submitting a content calendar for approval before posting each week What We Are Looking For: Proven experience managing Instagram/Facebook and TikTok for a lifestyle, fashion, or faith-based brand A portfolio or examples of past work — please include this in your application Strong copywriting skills — your captions must sound human, warm, and authentic — not AI-generated or generic Deep understanding of what drives organic growth on short-form video platforms Consistent, proactive communicator who treats deadlines seriously Someone who aligns with or respects faith-based values and understands how to speak to that audience Performance-Based Trial Period HOW THE TRIAL WORKS: We offer a paid 30-day trial before committing to a long-term arrangement. During the trial we will evaluate content quality, posting consistency, engagement growth, and overall results. Compensation for the trial period will be discussed upon selection. Long-term rates will be determined based on demonstrated performance. We are looking for someone confident enough in their abilities to let their work speak for itself. How to Apply REQUIRED — Applications Without This Will Not Be Considered Please write a sample caption for a faith-based hoodie brand targeting Christian men and women. Your caption should reflect warmth, community, and spiritual purpose — and end with a question or call to action that invites engagement. Include any links to past social media accounts or content you have managed.

Full-Service Marketing Video Strategist & Producer (End-to-End)

Brief: We are looking for a high-level marketing professional to take full ownership of creating a series of professional, high-converting marketing videos for our business. This is not just a videography job — we need someone who can act as a marketing strategist + creative director + video producer and lead the entire process from concept to final delivery. ⸻ What We Need: We want someone to: • Understand our business, offer, and target market • Develop the overall video strategy (what videos to create and why) • Write high-converting scripts (direct response style preferred) • Advise exactly: • how I should film (setup, angles, lighting, tone) • what equipment is needed (simple + effective preferred) • Direct the creative vision and structure of each video • Handle or oversee: • video editing • motion graphics • captions • branding elements • Deliver final, polished marketing assets ready to use ⸻ Scope: • Initial strategy + planning • Scriptwriting for multiple videos • Filming guidance (remote direction is fine) • Editing + graphics • Final delivery of videos optimised for: • paid ads • landing pages • social media ⸻ Ideal Candidate: We are looking for someone who: • Has strong marketing thinking first (not just editing skills) • Understands direct response / performance marketing • Has experience creating videos that convert (not just look good) • Can take ownership and lead the project without needing hand-holding • Has a portfolio showing results-driven content ⸻ Deliverables: • Clear video strategy • Scripts • Filming instructions • Fully edited videos with graphics • Ready-to-use final assets ⸻ How to Apply: Please include: • Examples of marketing videos you’ve created that drive results • Your process from idea → final video • Confirmation you can lead the full project end-to-end ⸻ Tone / Expectation: We are looking for someone who can take control of this project, not just execute instructions.

opportunity

Brand Launch & Growth Operator

Overview We’re launching a premium functional beverage brand in the UK and looking for a highly creative, execution-focused operator to own the launch. This is a content-first brand. Success will be driven by: • TikTok and Instagram content • UGC and creator strategy • Strong brand identity and storytelling If you understand how products go viral and convert through content, this role is for you. What You’ll Own (Execution Role) This is not a strategy-only role. You will plan and execute. 1. Social Media Launch (Top Priority) • Build and execute TikTok and Instagram launch strategy • Plan and post daily or near-daily content • Create or direct viral-style short-form videos 2. UGC and Creative Direction (Core Focus) • Identify and manage UGC creators • Write content briefs (hooks, angles, formats) • Produce and manage: • UGC ads • Campaign visuals • AI-generated creatives You must understand what converts on TikTok. 3. Brand Story and Visual Direction • Refine and execute: • Brand messaging • Tone of voice • Visual direction • Ensure consistency across: • Social content • Website • Amazon listing 4. Launch Execution • Build a 30–60 day launch plan • Execute: • Creator seeding • Content drops • Launch campaigns 5. Amazon UK (Execution) • Create listing copy (SEO optimised) • Manage hero images and infographics (can outsource) • Set up basic Amazon PPC 6. TikTok Shop • Set up TikTok Shop (UK) • Upload and optimise product listings • Activate creator affiliate strategy 7. Website • Work with developer to ensure: • Strong product page conversion • Clear messaging • Advise on bundles and offers What Success Looks Like (First 30–45 Days) • Social pages launched with consistent, high-quality content • UGC creator pipeline active • TikTok Shop and Amazon live • First 50–200 orders • Early traction (views, engagement, conversions) Ideal Candidate • Experience launching consumer brands (especially TikTok-first) • Strong understanding of: • UGC that converts • TikTok trends and content formats • Hands-on execution mindset (not just strategy) • Comfortable using AI tools for content creation Must Include in Your Application To be considered, you must include: 1. TikTok or Instagram accounts you’ve grown 2. Examples of UGC or ads you’ve created 3. Brands or products you’ve helped launch 4. A short answer to this question: “How would you get the first 100 sales for a new hydration product?” Do Not Apply If • You are an agency charging high retainers • You only focus on paid ads without content or UGC experience • You cannot show real TikTok results Ongoing monthly retainer to be discussed after successful launch based on performance

opportunity

Trading bot development

Project Overview We are building a high-performance, low-latency trading engine designed for microstructure-based execution strategies in a high-tax (STT) environment. This is NOT a basic retail trading bot. This system requires advanced system-level engineering, multi-core CPU architecture control, shared memory communication, and real-time observability dashboard. The focus of this project is minimizing latency between signal generation and order execution while maintaining regulatory compliance (Order-to-Trade Ratio constraints). The developer must understand low-level performance optimization, concurrency architecture, and Linux system behavior. Core Technical Requirements Python Version (Mandatory) The engine must use: Python 3.13 Free-Threaded build (3.13t) NOT standard Python 3.10–3.12 Reason: Standard Python uses the Global Interpreter Lock (GIL), which blocks true parallelism. In low-latency systems, a 1–2ms delay caused by GIL contention is unacceptable. Multi-Core Architecture with CPU Core Pinning The engine must: Assign specific modules to specific CPU cores Use os.sched_setaffinity (Linux only) Prevent OS core migration (avoid context switching) Modules include: Sentinel (Risk & OTR monitoring) Sonar (Market entropy / regime detection) Oracle (Signal calculation loop) Execution Engine (Order placement) The goal is to eliminate unpredictable latency spikes caused by OS scheduling and cache invalidation. Inter-Process Communication Standard Python queues are NOT acceptable. Communication must use: multiprocessing.shared_memory Memory-mapped buffers Lock-free ring buffer architecture Reason: Standard queues introduce locking and object allocation overhead, increasing latency. The target is sub-millisecond internal communication between signal generator and execution engine. Latency Measurement The system must measure: End-to-end order placement latency Round-trip time (RTT) Module processing time Using: time.perf_counter_ns() Latency histogram logging This data must be streamed to the dashboard. Order Execution Logic The system should: Prefer passive limit orders Include 200ms cancel logic Manage Order-to-Trade Ratio (OTR) Implement controlled order flooding logic (compliant with broker rules) This is not a simple market order bot. FRONTEND REQUIREMENTS (React Dashboard) The frontend is NOT a trading UI. It is a real-time monitoring and control cockpit. Preferred stack: React (Vite or Next.js) WebSocket for live streaming Lightweight charting (Canvas or WebGL-based) Required Dashboard Modules Sentinel Panel Real-time RTT graph 20ms lockdown threshold indicator CPU usage per pinned core Emergency status Sonar Panel Market regime indicator (Attack / Veto mode) Entropy score display Zero-trust gate status Oracle Panel Weighted Order Book Imbalance (WOBI) heatmap Liquidity imbalance % Signal strength score Must use high-performance rendering (Canvas, not heavy SVG). Execution Panel Net Expected Value (NEV) Fill rate % Cancel rate Order-to-Trade Ratio (OTR) status Emergency Kill Switch Dashboard must include: Global kill switch Sends signal to monitoring service Monitoring service writes flag to shared memory Engine halts immediately Dashboard must NOT communicate directly with broker API. Deployment Requirements Linux-based environment (Ubuntu preferred) Dockerized setup preferred Separate processes: Trading engine Monitoring microservice React frontend Google Cloud compatible. 10 MOST IMPORTANT SKILLS TO ADD Attach these skills on Freelancer: Python 3 (Advanced Concurrency & Multiprocessing) Must understand GIL, free-threaded builds, shared memory. Low-Latency System Design Experience reducing microsecond-level bottlenecks. Linux System Programming Knowledge of CPU affinity, process scheduling, performance tuning. Multithreading & Multiprocessing Architecture Designing multi-core optimized applications. Memory Management & Shared Memory IPC Experience with mmap, shared memory buffers. Financial Market Microstructure Knowledge Understanding order books, liquidity imbalance, passive vs aggressive orders. WebSocket & Real-Time Streaming Required for live dashboard data. React.js (Performance-Optimized UI) Real-time data rendering without UI lag. Performance Profiling & Benchmarking Must measure and optimize latency. Cloud Deployment (Google Cloud / Linux VM / Docker) Production-ready deployment experience. VERY IMPORTANT Add this to filter weak developers: Applicants must answer the following: Have you worked with Python shared memory or mmap before? Have you implemented CPU core pinning on Linux? How would you measure internal engine latency? How would you prevent dashboard from affecting trading engine performance? This will eliminate 80% of generic bot developers.