Mechanical Engineer Projects

opportunity

Looking for AI/ML Engineer US only

Seeking Senior Al/ML Engineer for Long-Term Collaboration We're looking for an experienced Senior AI/ML Engineer to join us as a consulting partner for an ongoing engagement. This is a flexible, part-time opportunity perfect for experts seeking additional projects alongside their current commitments. Position Details: Compensation: 1,000 - 2,000/month for the initial 3 - month trial period, increasing to 4,000+/month there after based on performance and project scope Duration: Long-term partnership with growth potential If you're interested in learning more about this opportunity and discussing how we might work together, please submit your application. We're eager to build a lasting partnership with the right engineer.

opportunity

Need AI Engineer

We are finding Tech rep based in US to help me(5hrs/week, $500-1000/week). Only handle client meetings & standups. we excel at dev/PM, but needs communication support(English) with clients. Will be good extra income in your spare time.

Consultant who is a full-stack engineer in US

We are seeking a highly skilled full-stack engineer based in the United States to provide consulting services for an innovative project. The ideal candidate will possess extensive experience in both front-end and back-end development, demonstrating proficiency in modern programming languages, frameworks, and tools. Your role will involve collaborating with our team to design, develop, and optimize web applications, ensuring seamless functionality and user experience. A strong problem-solving mindset and the ability to communicate complex technical concepts clearly are essential. Join us in shaping cutting-edge solutions!

FullStack engineer for Trading Automation at ChartPrime

ChartPrime is a fintech company building advanced trading analytics and automation systems that help traders make faster, smarter decisions. We combine algorithmic intelligence, real-time data, and predictive analytics to deliver next-generation trading tools for retail and institutional markets. We are seeking a Full-Stack Engineer to design, build, and maintain our trading automation platform — the core system that connects data pipelines, AI-driven analytics, and live trading execution. You’ll work across backend services, real-time APIs, and the web dashboard that visualizes strategies and performance.

Web / Software Engineer (Spanish speaking)

We seek a proficient Web/Software Engineer fluent in Spanish to develop, maintain, and enhance our web application. The ideal candidate possesses robust front-end and/or back-end development experience, particularly with technologies such as React, Node.js, or Python. Responsibilities include implementing new features, optimizing existing code, and ensuring high performance and scalability. Collaboration with our team will be essential for defining technical requirements. Strong communication skills and familiarity with version control are necessary. Deliverables include clean code, comprehensive documentation, and regular progress updates. Join us to create impactful solutions!

Cloud Architect / Platform Engineer / CI/CD Pipelines

Developing an exciting new digital product for media agencies. I'm looking for help with optimising the CI/CD pipelines, hardening the security and stability of the platform. I need help with looking into and implementing best practices and setting up the platform for live operations and seamless software releases, monitoring and alerting, etc. We've got docker based deployment with cloudflare and digital ocean. Need help with cloud infrastructure setup, devops ci/cd pipeline setup and optimisation.

opportunity

Need Senior Data Engineer

We are seeking an experienced Senior Data Engineer to join our dynamic team. The ideal candidate will possess a robust background in data architecture, data warehousing, and ETL processes. Responsibilities include designing and implementing scalable data pipelines, optimizing data storage solutions, and ensuring data quality and integrity. Proficiency in programming languages such as Python and SQL, along with experience in cloud platforms like AWS or Azure, is essential. The successful applicant will demonstrate strong analytical skills and the ability to collaborate effectively within a team-oriented environment.

urgent

Expert Voice AI Prompt Engineer (Consultant)

Hearth AI is seeking a top-tier Voice AI prompt specialist for a high-impact consulting engagement. We are refining the user experience for our fast-growing flagship AI receptionist. We are looking for a top-tier, freelance Prompt Engineer who specializes in voice agents to help us achieve a more natural, effective, and human-like conversational flow. This is a short-term consulting engagement. You will work directly with our product team and CEO to: Audit & Review: Analyze our current prompt library and conversation flows, identifying areas for improvement in clarity, tone, and efficiency. Design & Engineer: Design, test, and refine write new, experimental prompts for various scenarios (e.g., call routing, message taking, appointment scheduling, handling ambiguity, repeat callers). Test & Optimize: Help us structure A/B tests to measure the performance of new prompts against existing ones. This is the right role for you if: You have at least 1-2 years of professional experience focused specifically on prompt engineering and conversational design for voice-first AI products (e.g., AI assistants, advanced IVR, voice-controlled applications). Deep understanding of the nuances of spoken language vs. written language (e.g., handling pauses, interruptions, and non-linear conversations). Ability to define and embody a specific persona/tone of voice for an AI agent. Your portfolio demonstrates a deep understanding of Voice User Interface (VUI) design principles. We must see examples of your work for voice agents. You have a sophisticated understanding of modern prompt engineering techniques (e.g., chain-of-thought, few-shot learning, ReAct) and how to apply them to spoken dialogue. You are results-obsessed and have direct experience measuring and improving conversational AI performance through A/B testing and data analysis. You have a "good ear" for what makes a conversation feel natural and can write dialogue that leverages the high-fidelity output of platforms like ElevenLabs. Bonus points for: Current or previous experience at a leading voice-first company Experience with workflow automation tools (n8n, Zapier) and an understanding of how prompts fit into an API-driven system. Excellent communication skills and the ability to articulate the rationale behind your prompt design choices. How to Apply: Please begin your proposal with the word "HEARTH" so we know you've read the details. In your proposal, please include: A link to your portfolio or 2-3 specific examples of voice-related prompt engineering or conversational design work. A brief paragraph on your experience and philosophy for creating effective prompts for a voice-based AI receptionist to achieve desired user or business outcomes.

Develop a 2D Visual safety game app using unity

We are seeking a skilled developer to create an engaging 2D visual safety game application using Unity. The game should effectively convey safety protocols and best practices in an interactive format, targeting a diverse audience. Key features include captivating graphics, intuitive gameplay mechanics, and educational content that reinforces safety awareness. The ideal candidate will possess a strong background in game development, particularly with Unity, and have experience in creating user-friendly interfaces. If you are passionate about combining education with entertainment, we invite you to bid on this exciting project.

opportunity

Senior Web Engineer / Developer (SEO-Ready Structure + UX Coll)

Job Title: Senior Web Engineer / Developer (SEO-Ready Structure + UX Collaboration) About Us We are a global sourcing and supply chain company based in China, with annual revenues exceeding USD 200 million. We connect international brands with trusted manufacturers across Asia, delivering end-to-end sourcing solutions. We are currently building a new, next-generation corporate website that combines authentic storytelling, minimalist design, and strong technical foundations for long-term scalability and SEO growth.

opportunity

Structural design drawings

I am seeking a qualified structural engineer to provide comprehensive structural design drawings for a home extension project. I have already obtained the necessary planning drawings and now require detailed structural calculations and design specifications to ensure compliance with building regulations and safety standards. The ideal candidate will possess extensive experience in residential structural engineering and be proficient in using relevant software tools. Timely delivery of high-quality work is essential, as I aim to commence construction soon. Please submit your proposals outlining your experience and approach to this project.

Structural engineering and building control drawings

I am seeking a qualified structural engineer to create detailed structural engineering and building regulation drawings for my property in Cornwall, England. I have received planning permission for two 3-meter dormers, one at the front and one at the back. I possess official drawings for this approval. The selected professional will need to provide drawings suitable for my builders and the building regulations application. Additionally, there is potential for six sets of drawings for my neighbors, as they are also pursuing planning. Please let me know if you require a site visit or if you can work from my initial drawings. Thank you.

opportunitypre-funded

Setup VPN network

I need a network engineer to set up remote access to the corporate network for remote workers. Server 2022 is already set up, but we will need to add relevant services and configure complete remote access to specific virtual machines, including any changes to the Active Directory. including VPN services and any router configuration required. link AD account to specific VM's Also, configure NPA services to stop workers from downloading data to the local machine or USB. Configure all access to the local NAS drive to access relevant files and folders. Any other security measures required to stop data from being transferred?

opportunity

Reverse Engineer Threads iOS API

I’m seeking an experienced developer with strong reverse engineering skills to dissect the Threads iOS application and map out key API endpoints. This is a technical contract for someone comfortable working at the network protocol, request/response, and app binary level to uncover undocumented methods. Scope of Work: Reverse engineer Threads iOS app to determine API calls for: Login authentication flow Follow / Unfollow user actions Edit bio requests Profile picture upload/update Create new post (text/images) Document all endpoints: Required URL paths and HTTP methods (GET, POST, etc.) Headers, tokens, and authentication requirements Request and response JSON structures Verify endpoints are functional by crafting example requests. Deliver a clear technical document + minimal example code (Python, JS, or cURL) demonstrating each endpoint. Requirements: Proven background in reverse engineering iOS apps (static & dynamic analysis). Proficiency with tools like Charles Proxy, mitmproxy, Burp Suite, Frida, Objection, Hopper, IDA, etc. Understanding of modern authentication flows (OAuth, JWT, signed requests). Ability to work quickly while preserving data confidentiality. Deliverables: Full endpoint map with parameters & expected payloads. Auth/session handling procedure. Working minimal scripts showing usage. Budget: Open to discussion based on experience and timeline. Timeline: 1–2 weeks preferred. Engagement: NDA required prior to starting. How to Apply: In your message, please outline: Similar reverse engineering projects you’ve completed. Tools/tests you plan to use. Expected approach to avoid triggering anti-bot or anti-scraping blocks.

Experienced Web3/Blockchain Engineer for Airdrop App Development

We are in search of a proficient Web3/Blockchain Engineer to collaborate on the development of an innovative airdrop application. The ideal candidate will have extensive expertise in blockchain technology, including a solid grasp of smart contracts, token distribution models, and secure wallet integrations. Your responsibilities will encompass designing and executing a user-friendly experience while adhering to industry compliance standards. If you possess a demonstrated history of success in blockchain ventures and are driven by a passion for pioneering solutions, we encourage you to submit your proposal to help realize this exciting project.

Build a Decentralized Freelance Platform with Crypto Payments

Description: Looking for a skilled developer to create a Web3 freelance marketplace with crypto payment support (ETH, ADA, USDT, BNB). Features include smart contract escrow, DAO-based dispute resolution, on-chain reputation, and optional privacy mode (VPN integration). Must have experience in Solidity/Rust, NFTs, staking mechanics, and Web3 wallet integration (MetaMask, WalletConnect, Cardano wallets). Deliverables: Smart contracts and full platform code Test suite and deployment scripts Documentation and onboarding guide Timeline: ~8–10 weeks. Budget: Negotiable, milestone-based, bonuses for clean, audit-ready code.

Remote Long-Term VA Opportunity (US Only)

> Description: I’m looking for a dedicated and reliable Virtual Assistant (VA) to help expand my work as a Software Engineer. This role is focused on communication, and consistency - no heavy technical skills required. > Who I’m looking for: Open to candidates worldwide (remote role). At least Bachelor's Degree in Computer Science or related field. Excellent communication skills (both written and verbal). Proactive, dependable, and committed to long-term collaboration. > Why join: Stable, long-term opportunity with growth potential. Competitive monthly pay based on performance and hours worked. ⚠️ Please attach your updated resume with your application. Looking forward to building a strong working relationship! Sincerely, Vincent

Cross-Compiler & Mobile App Verification Expert (iOS + Android)

We need an independent engineer to cross-compile and verify our mobile apps. Goal: ensure TestFlight and Play Internal builds match the latest repo and run as intended. We will do all functional testing. No code changes by you. Scope 1) Compile the existing code for iOS and Android. 2) Upload builds to TestFlight and Google Play internal testing. 3) Provide build IDs and repeatable build steps. We validate; if OK, job complete. Requirements - Experience with Flutter, React Native, or native iOS/Android build pipelines - App Store / Play Console distribution (signing, provisioning, bundles/tracks) - Ability to verify repo vs. live and deliver concise documentation Engagement - Fixed price, earliest start, and examples of similar work - No production pushes until we confirm Administrative - Share your iOS device UDID immediately for TestFlight access and email it to - Sign our NDA before accessing repositories and store accounts

Backend Developer

Workload: Full-time Contract duration: 3-9 months Working hours: 10 -19 About the work You will be responsible for working with a team of developers in developing a music application for distribution of earnings among song rights holders. It involves handling extensive data, emphasizing the need for sound system architecture and optimized databases. Tech Stack & Required Skills • Python (Flask with GraphQL) • MongoDB • RabbitMQ with Celery • Jenkins for CI/CD • Kubernetes for code deployment • AWS infrastructure provider • Experienced designing distributed systems, queues, caches, etc. • Strong knowledge of UNIX • 4+ years of experience as a software engineer • Excellent written and verbal communication skills • You are a great mentor and enjoy helping less experienced colleagues grow. Interview process • English check • 2 technical interviews with different team Previous experience in the music business is a plus A strong belief that music can save the world is a must If you are not from Europe don’t apply

DesignBuilder Energy Model Simulation

I’m looking for an experienced DesignBuilder user to run a full simulation and provide the DesignBuilder file (.dsb) for verification. All key inputs (floorplan, location, construction build-ups, and HVAC system data) will be supplied. The model setup must be completed entirely in DesignBuilder (not OpenStudio, IES, or other software). The task is to run the simulation, verify inputs, and provide the DesignBuilder file and results for my review. I will supply clear details on: Floor plan and zoning Construction build-ups HVAC and ASHP details (from mechanical schedules) Occupancy profiles and schedules if required Deliverables: Completed DesignBuilder file (.dsb) Simulation outputs (energy use, temperatures, loads, etc.) Summary of key assumptions Payment: Invoice will be released once the supplied DesignBuilder file is received and verified as functional. Requirements: Proven experience with DesignBuilder (examples required) Ability to interpret architectural and MEP drawings Quick turnaround preferred