Freelance Software Development Jobs

AI Engineer

I need an experienced AI Engineer to help me with managing and maintenance on my new AI image generation platform. The development work is completed. However, I need someone who is experienced with prompt engineering and AI image generation models. Will be looking to hire this individual on an as needed long-term basis, and can discuss future rates for long term maintenance of the app. I need immediate support, someone who is reliable, knowledgable, and has the bandwidth to prioritize this project.

Stockstar india

I have a specific vision for an app that requires a developer who is comfortable "Vibe Coding" and using Agentic AI tools. Your role is to oversee the build process, ensuring the architecture is professional while using AI to accelerate the coding.

AI Automation & Ecommerce Integration Engineer

I'm looking to form a long term relationship with an AI developer. I have been specialising in performance marketing for the last 20 years. I have relationships with 100's of direct clients and other agencies, who I am starting to upsell AI solutions to. Attached is an example of a build I'm currently talking to an ecommerce client about. I'm looking for a developer with previous experience of integrating AI powered conversational agents with Shopify and workflow automation to work on this project and others moving forward. Medium term goal is to standardise/productise this type of build to reduce dev time on future projects and enable scaling. **AI Automation Engineer – eCommerce & Integrations**

Art Adviser – Secondary Market (18th–20th Century Art)

Artworkwise is expanding its advisory network. We are seeking Art Advisers with strong art historical knowledge and professional experience in the art market to work with interior designers sourcing artworks from the 18th to 20th century secondary market. Artworkwise connects interior designers with carefully selected works that bring historical depth and aesthetic balance to contemporary interior projects. Advisers collaborate closely with our art sourcing specialists to identify and place artworks suited to specific interior environments and design philosophies. The Role This role combines art advisory, client relationship development, and curatorial judgement. Art advisers work with interior designers to identify artworks that integrate successfully within architectural and interior contexts. Over time, advisers will build a personal network of interior designer clients through Artworkwise, developing a deep understanding of each client’s aesthetic language, project requirements, and collecting sensibilities. Key Responsibilities • Advise interior designers on artworks suitable for residential and commercial interiors • Collaborate with Artworkwise sourcing specialists to identify works from the 18th–20th century secondary market • Develop and maintain relationships with interior designers • Build a portfolio of designer clients through the Artworkwise platform • Provide informed recommendations considering scale, composition, colour harmony, and spatial context • Assist in curating selections of artworks for interior projects Ideal Background We are particularly interested in candidates with experience in: • Galleries • Auction houses • Art advisory or consultancy • Art historical research or curatorial work Candidates should have: • A background in art history, fine art, or a related discipline • Strong knowledge of 18th–20th century art • An understanding of how artworks function within interior design environments • Well-developed visual judgement and curatorial sensibility Structure • Fully remote collaboration • Advising interior designers across the USA, UK, and EU • Working alongside the Artworkwise sourcing team Compensation • Generous commissions on artworks sourced and placed with interior designers through Artworkwise Freelancers may also receive a year-end profit payout as part of the Artworkwise collaborative model. About Artworkwise Artworkwise brings together art advisers, sourcing specialists, and partners to create a professional platform connecting the art market with the interior design industry. The model supports collaboration between clients, freelancers, and long-term partners, including profit participation and long-term alignment. Artworkwise Existence is Coexistence

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Music led AI proposition (MVP - next stage)

Hi All, see below what we are looking for: We've developed an AI-powered platform built to help businesses craft compelling pitches and proposals. Currently at MVP stage and using the Claude AI API, the product has proven its core concept and is ready to scale. We’re looking for an experienced consultant developer to take it from MVP to a robust, secure, multi-tenant product that is ready for commercial growth. The Role This is a freelance/contract engagement, fully remote. You’ll work closely with the founder to define the roadmap, make key technical decisions, and deliver a more polished, secure, and scalable version of the product. The right person will be comfortable working across the full stack and will have a genuine interest in AI-powered products. Scope of Work 1. Build Out the Product Proposition • Evolve the MVP into a fuller product experience — improved UX, additional features, and a clearer user journey. • Identify and close gaps between the current MVP and a market-ready product. • Work collaboratively to define and prioritise the feature roadmap. 2. Multi-Tenant Authentication & Secure Login • Design and implement a secure, scalable multi-tenant login architecture so that separate companies can access the platform with fully isolated accounts. • Implement role-based access control (RBAC) where appropriate. • Evaluate and integrate a suitable auth provider (e.g. Auth0, Clerk, Supabase Auth, or similar). 3. Security Enhancement • Audit the current codebase and infrastructure for security vulnerabilities. • Implement security best practices: input validation, rate limiting, secrets management, and secure API handling. • Ensure GDPR compliance for UK/EU users — data handling, storage, and deletion policies. • Set up appropriate logging and monitoring for security events. 4. Improve AI Matching & Recommendations • Review and refine the existing Claude-powered matching logic. • Improve the quality, relevance, and consistency of AI-generated outputs. • Explore additional prompt strategies, context management, and retrieval approaches (e.g. RAG) to strengthen results. 5. Optimise the Claude API Configuration • Audit and refine the existing Claude API set-up: model selection, system prompts, token usage, and response handling. • Implement cost controls and ensure API usage is efficient and well-monitored. • Stay current with Anthropic’s best practices and model updates. 6. Scalability & Infrastructure • Assess the current infrastructure and recommend improvements to support growth. • Ensure the system can handle multiple concurrent users and company accounts without degradation. • Implement database optimisations and appropriate caching where needed. 7. Testing, Documentation & Handover • Establish a testing strategy (unit, integration, and end-to-end tests) to ensure code quality as the product scales. • Document the architecture, API, and key decisions so future developers can contribute effectively. • Provide a clean handover with clear notes on any ongoing work or future recommendations. What We’re Looking For • Proven experience taking products from MVP to production-ready, at pace. • Strong full-stack development skills — comfortable across front-end, back-end, and infrastructure. • Solid understanding of authentication systems and multi-tenant architectures. • Experience with LLM APIs — ideally Claude/Anthropic, or similar (OpenAI, Gemini). • Security-conscious mindset with practical knowledge of common vulnerabilities and mitigations. • Familiarity with GDPR and data privacy requirements in the UK/EU context. • Strong communicator — able to translate technical decisions into plain language for a non-technical founder. • Fluent in written and spoken English — clear communication is essential as you’ll be working closely with the founder throughout. • Self-directed, reliable, and comfortable working asynchronously. • Experience with prompt engineering and LLM optimisation. • Background in B2B SaaS products. • Knowledge of RAG (Retrieval-Augmented Generation) or vector database approaches. • Familiarity with analytics and observability tooling. A few notes: 1. If you can't communicate in English please don't apply as i will need to speak to you to grow this 2. Must have experience in developing or creating Ai websites (i will be asking for this) 3. Make sure your application is relevant to what the above is asking, if it isn't then it will auto-rejected. Thanks

Statistical Review for Academic Paper Spss

I am looking for a freelancer experienced in statistical analysis for academic research to review and verify the analyses of an already completed study based on reviewer comments from a peer-reviewed journal. The dataset (Excel) and manuscript are already prepared. The task mainly involves checking the previous analyses and addressing specific reviewer comments. Table descriptions are already written, so no interpretation or writing of results is required. Tasks may include: • Verifying statistical results • Reporting full statistics if required (t/F, df, p, CI) • Applying multiple-comparison correction if needed • Checking age-related analyses • Ensuring consistency across tables, results, and regression outputs Note:The raw dataset is almost identical to the previously analyzed file. There are only three additional participants, possibly removed during earlier data cleaning, and these cases are already identified in the file. Files provided:• Reviewer comments • Manuscript and tables • Excel dataset and coding sheet Please include:• Your experience with academic statistical analysis • Software used (SPSS, R, Stata, etc.) • Estimated timeline • Your quotation All the best

Hubspot Experts to setup one time

HubSpot Mastery: Own the Marketing Hub. You’ll build automated workflows, manage lead segmentation, and ensure our CRM data stays clean and actionable. The Weekly Newsletter: Lead the end-to-end production of our flagship weekly newsletter. This includes curation, copywriting, layout design, and A/B testing subject lines for maximum open rates. Content Calendar Management: Develop and maintain a rolling Content Calendar. You’ll coordinate topics across blog, social, and email to ensure we never miss a beat and our messaging stays consistent. Campaign Automation: Build "set-and-forget" nurture sequences that turn new subscribers into warm leads without manual intervention. Configure country specific engagement

Google ads (Sponsored Ads, local services) FB ads etc

I am looking for a very experienced individual for google ads and all online advertising. We have several companies we need this doing for along with more being developed. Along with normal google ads we need google guaranteed, local services and sponsored posts and fb etc. This will be on going monthly work-I will need to see proof of current campaigns and results. Thanks

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Freelance Market Intelligence Newsletter Analyst

Please note that our project budget is USD 300 per month, and it may be adjusted based on the quality and level of your output. The payment method is monthly. We require one qualified newsletter to be delivered each working day, and we look forward to establishing a long-term collaboration. And could you please provide your resume/CV? I'd like to share it with my team. Objective Create a daily intelligence newsletter covering events and signals that may impact sales opportunities for a medical consumables company, particularly in: • Medical gloves • IPPP (Infection Prevention Product Portfolio) The newsletter will support sales teams, product managers, and company leadership. ________________________________________ Key Responsibilities 1. Daily Market Monitoring Track developments across the United States and major European markets, including: • Extreme weather events (hurricanes, floods, natural disasters) • Healthcare system developments • Major distributor activities • Hospital procurement signals • Regulatory or public health developments • Supply chain disruptions • Competitor movements Focus on events that may create demand for medical gloves or infection-prevention products. ________________________________________ 2. Newsletter Production Produce a concise daily newsletter (5–10 items). Structure: 1. Key Event 2. Location 3. Summary 4. Commercial Implication ________________________________________ Data Sources Typical sources include: • Government agencies • Healthcare procurement platforms • Distributor announcements • Industry media • Weather alerts • Public health alerts ________________________________________ Required Skills • Healthcare / medical supply industry familiarity (preferred) • Market research experience • Ability to identify commercial signals • Strong English writing skills • Familiarity with AI tools for summarization ________________________________________ Expected Time Commitment • Fully remote • Long-term collaboration preferred

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Custom Multi-Location Fulfilment Solution (Shopify)

We are seeking an experienced Shopify developer to build a custom solution to improve how we manage multi-location inventory for pop-up stores. The Problem Our client operates pop-up retail stores globally Staff use Shopify POS to place orders when an item is not available in-store Shopify shows total stock availability, but does not clearly show which location the stock is held in at the point of sale As a result: Orders are placed without control over fulfilment location Shopify automatically assigns or splits orders across multiple locations This creates operational inefficiencies and poor customer experience What We Need We require a custom-built solution (private app or backend extension) that: Displays live inventory by location at the point of order creation Allows staff to select the fulfilment location BEFORE the order is placed Prevents Shopify from auto-assigning or splitting orders incorrectly Works within or alongside Shopify POS workflows Does not rely on draft orders as a workaround Key Requirements Clean, simple interface for retail staff Real-time stock visibility across all locations Seamless integration with existing Shopify setup Reliable and scalable solution suitable for global use What We’re Looking For Proven experience with Shopify (apps, APIs, POS extensions) Strong understanding of multi-location inventory logic Ability to propose the best technical approach (custom app, middleware, etc.) Please Include in Your Response Relevant Shopify experience / examples Your proposed approach to solving this Estimated timeline Hourly rate or project cost We are open to recommendations on the best way to achieve this and are looking to move quickly with the right developer.

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Podcast section for my website

Seeking a skilled web designer/developer to craft a polished podcast section for knightspire.com. Deliverables: an attractive, responsive interface to list episodes with artwork, show notes, timestamps, host/guest details, and integrated audio player supporting streaming and downloads. Include subscription links (Apple/Spotify), social sharing, SEO-friendly markup, and analytics integration. Provide accessible, mobile-optimized layouts, intuitive navigation, and easy CMS-managed episode publishing. Clean, maintainable code and cross-browser testing required.

Virtual Assistant (U.S.-Based, Native English Speaker)

We are an Atlanta, GA–based IT outsourcing startup expanding our business operations into the U.S. market. While we have successfully delivered services to clients in Europe and Asia, we are now seeking to establish stronger partnerships with U.S. companies. To support this expansion, we are looking for a U.S.-based Virtual Assistant with strong native-level English communication skills who can assist with client communication, business coordination, and basic technical discussions. Key Responsibilities: • Communicate with U.S. clients via calls, and messaging platforms • Assist with explaining technical services in a clear and professional manner • Support business development and administrative tasks • Coordinate between internal technical teams and clients Required Qualifications: • Native-level American English speaker (U.S.-based) • Excellent verbal and written communication skills • Confident in explaining technical concepts clearly • Professional attitude and reliability Preferred Qualifications: • Basic knowledge of web development • Familiarity with AI concepts (strong plus) • Previous experience as a Virtual Assistant or in a similar role Working Hours: Please indicate your availability (U.S. time zone). We are flexible but prefer candidates who can align with business hours outside of standard U.S. working times when needed. How to Apply: Please submit: 1. A brief introduction about yourself 2. Your relevant experience 3. Your availability (including time zone) 4. Your hourly rate We look forward to working with motivated and professional applicants.

Build a Custom work Hub for construction business

APPLICATION INSTRUCTIONS (READ CAREFULLY) 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 utilises 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.

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Create M365 Agent for Customer Service Team

Develop an M365 agent for a customer service team that ingests SOPs and prior email threads with responses, analyzes context, and generates actionable next-step replies. The agent should accept pasted inquiry emails and produce clear, concise guidance or draft responses aligned with documented procedures and historical resolutions. Deliverables: integration design with Microsoft 365, data parsing, response-generation logic, accuracy validation, and documentation for team members to use and maintain the agent.

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VoIP & CRM Integration Consultant (Short-Term Advice Only)

What I Need: I have a custom CRM system (called Ilumino) and I want help choosing the best VoIP system (e.g., JustCall, Aircall, Zoom Phone, etc.). I only need unbiased advice, not development work. Your Role: Help me understand which VoIP app fits my CRM best Review API options Tell me the pros/cons of each system for my setup Help me prepare questions for my Ilumino developers Skills You Should Have: Experience with VoIP apps + CRM integrations Good understanding of APIs and webhooks Able to explain things simply Experience with custom CRM integrations is a big plus Project Length: 1–3 hours of consultancy only.

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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?

BP 260314 Business Agent for M&A & eCommerce Green

Seeking an experienced WordPress/WooCommerce eCommerce & M&A business agent to develop and test a dedicated URL demonstrating how you would market, license and sell GREEN industrial property and patents. Deliverable: concise roadmap, prototype site (your URL), tools/AI stack and 10 UoW plan (each UoW = 4h). Budget under €30 for initial set. Tasks include market positioning, lead-generation strategies, licensing/smart-contract draft outline and country-specific opportunity proposals across Italy, Europe and global markets. Plz, see also https://www.expotv1.com/UoW_bp.html ;

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AI database management

Seeking an experienced developer to build a bespoke AI-driven lead generation platform inspired by valuationleads.com. The system must aggregate and cleanse diverse data sources, deploy machine learning models to score and prioritize prospects, integrate with CRM systems, and present an intuitive dashboard for campaign management and analytics. Emphasis on robust data security, scalability, and automated outreach workflows. Deliverables include comprehensive documentation, testing, and deployment.

Design and create ONE page

Seeking a skilled web designer/developer to craft a single, fully realized service page with associated location entry for my website. Deliverables: original, SEO-aware content; polished responsive layout consistent with site aesthetics; optimized images and meta tags; clear calls-to-action and structured service details (features, benefits, pricing/FAQ). Must ensure accessibility, fast load performance, and cross-browser compatibility.

Motion Graphics / Animated Video Creator Needed for Digital

Project Overview We are a digital technology and systems development company working with corporates, government institutions and enterprise clients. Our organisation designs and develops web platforms, enterprise systems, digital transformation solutions, portals, and cloud-based applications. We are launching a short-form video content strategy for platforms such as TikTok, LinkedIn, Instagram Reels and YouTube Shorts, and we are looking for a creative motion graphics designer or animation studio who can help us produce clean, modern animated videos explaining digital and technology concepts. This will be an ongoing collaboration, and we are looking for someone reliable who can work with us consistently. Type of Videos We Want We want short animated explainer videos (30–60 seconds) that communicate technology and digital transformation concepts in a simple and engaging way. Examples of topics include: What is Digital Transformation Why Many Websites Fail What is a Self-Service Portal How Digital Systems Improve Service Delivery Cloud Hosting Explained The Future of Government Technology (GovTech) UX / UI Design Explained System Automation for Organisations Videos should feel modern, professional and technology-focused, not cartoonish. Animation Style We are looking for clean motion graphics animation, similar to: Tech explainer videos Corporate motion graphics Infographic animation Minimal modern animation Preferred style: Flat design Clean icons Smooth transitions Clear typography Subtitles included Scope of Work The selected freelancer or studio will be responsible for: • Creating short animated explainer videos (30–60 seconds) • Designing icons and simple visual elements where necessary • Adding subtitles and captions • Editing videos for TikTok / vertical format (9:16) • Delivering high-quality MP4 files ready for social media Scripts and topic guidance will be provided.