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  • Hourly: $25.00 - $47.00
  • Expert
  • Est. time: 1 to 3 months, 30+ hrs/week

We’re hiring a Senior Full-Stack AI Engineer to build an MVP for an LLM-powered recommendation platform. The role involves developing questionnaires and structured AI output to enhance user experience. The ideal candidate will have experience in AI and full-stack development, with a focus on delivering efficient and effective solutions.

  • Hourly
  • Intermediate
  • Est. time: 3 to 6 months, 30+ hrs/week

We are building a next-generation workflow automation platform that combines deterministic business rules, artificial intelligence, document intelligence, and human review workflows into a single operating system. This is not a traditional CRM project. Our vision is to develop a doctrine-driven platform where business rules serve as the system authority, AI serves as an analytical and drafting layer, and human reviewers serve as the final compliance checkpoint. We are seeking an experienced engineer or engineering partner who can help architect and build the platform from the ground up. Project Objectives The platform will: • Ingest and analyze large volumes of structured and unstructured documents • Extract data from reports, PDFs, and supporting documentation • Apply rule-based workflow logic • Generate AI-assisted recommendations and draft outputs • Maintain complete audit trails and workflow transparency • Route work through human review checkpoints • Support future deployment of local AI infrastructure for privacy and performance Core Architecture The system will be built around four primary layers: 1. Rules Engine * Deterministic business logic * Workflow orchestration * State management * Trigger and escalation logic * Audit tracking 2. AI Layer * Document analysis * Classification * Pattern detection * Summarization * Draft generation * Structured outputs 3. Local Processing Layer * OCR * Document parsing * Data extraction * Vector search * Local inference capabilities * Privacy-first processing 4. Human Review Layer * Quality assurance * Workflow approvals * Compliance review * Exception handling Initial Development Priorities Phase 1 • User authentication • Client record management • Document upload system • OCR and document extraction • Workflow engine • Rule-based status management • Review dashboard Phase 2 • AI-powered document analysis • Automated classification • Recommendation engine • Draft generation workflows • Response parsing Phase 3 • Local AI infrastructure • Vector database integration • Knowledge retrieval system • Multi-agent workflow orchestration • Advanced automation Desired Technical Experience Required • React / Next.js • Node.js, Python, or similar backend framework • PostgreSQL or equivalent relational database • REST APIs • Cloud infrastructure (AWS, Azure, or GCP) • Workflow automation systems • Document processing pipelines Preferred • OpenAI APIs • Anthropic APIs • Retrieval-Augmented Generation (RAG) • LangGraph, LangChain, or similar frameworks • Vector databases • OCR technologies • AI agent architectures • NVIDIA AI ecosystem • Local model deployment What We Are Looking For We are not looking for someone who simply builds forms and dashboards. We are looking for a builder who understands how to combine: • Rules engines • Artificial intelligence • Workflow automation • Human review systems • Scalable software architecture The ideal candidate enjoys solving complex business process problems and translating expert decision-making into software systems. Engagement Structure Open to: • Fractional CTO • Lead Architect • Senior Full-Stack Engineer • AI Systems Engineer • Development Agency • Long-term strategic technology partner To Apply Please provide: • Relevant project examples • Experience building workflow automation platforms • Experience with AI-powered applications • Technology stack recommendations • Estimated availability • Preferred engagement structure

  • Hourly: $35.00 - $50.00
  • Expert
  • Est. time: 1 to 3 months, Less than 30 hrs/week

Looking for a skilled full-stack developer to help build and refine an early-stage SaaS platform currently in MVP development. The platform combines guided workflows, AI-assisted functionality, user dashboards, and subscription-based features within a modern web application experience. We're looking for someone who can help transform an existing concept and partial prototype into a polished, scalable product. Ideal for developers interested in: SaaS platforms AI integrations Scalable web applications Subscription products Startup environments Responsibilities: Frontend and backend development Authentication and user dashboards Stripe/payment integration Database architecture API integrations Responsive UI/UX refinement Scalable application structure Deployment and production setup Preferred Stack: React / Next.js Node.js PostgreSQL Tailwind CSS Stripe REST APIs OpenAI or similar AI integrations Ideal Candidate: Strong full-stack development experience Experience building SaaS products Comfortable working independently Understands scalable architecture Good communication skills Startup mindset Bonus: Experience with AI-powered applications Experience with multilingual platforms Project Stage: Early-stage MVP Potential long-term collaboration Please send: Portfolio or GitHub Relevant projects Preferred stack Hourly rate or project estimate Availability

  • Fixed price
  • Expert
  • Est. budget: $1,000.00

I am looking for an experienced full-stack social media manager to manage and grow my personal brand and connect that brand strategically to my businesses in the medical and healthcare industry. This role is not just about posting content. I need someone who can help build a professional, credible, and engaging online presence that supports multiple goals: growing my personal brand, strengthening visibility for my medical practice and healthcare-related businesses, creating educational and trustworthy healthcare content, supporting brand deals with health tech companies, and helping develop social media ads and promotional content. The ideal candidate understands how to manage the full social media stack, including strategy, content planning, content creation, posting, comment and DM management, audience growth, analytics, reporting, optimization, and paid/social ad creative. You should be comfortable managing platforms such as Instagram, TikTok, LinkedIn, Facebook, YouTube Shorts, and X/Twitter where relevant. You should also understand how a personal brand can drive awareness, trust, business opportunities, patient/client engagement, partnerships, and brand deals. About the Brand and Industry: My personal brand is connected to the practice of medicine, healthcare education, health technology, and healthcare business growth. I want content that is professional, compliant, engaging, and clear for a general audience while still reflecting credibility in the medical space. The brand may also support partnerships and brand deals with health tech companies, wellness companies, medical technology platforms, healthcare services, and other relevant businesses. I need someone who can help position the brand in a way that attracts the right audience and business opportunities. Responsibilities: Develop and manage a complete social media strategy for my personal brand and related healthcare businesses. Plan and maintain a content calendar across multiple platforms. Create or coordinate short-form videos, graphics, carousels, captions, stories, educational content, promotional content, and repurposed content. Schedule and publish posts using professional social media management tools. Monitor and respond to comments, DMs, mentions, and community interactions in a timely and brand-appropriate way. Track growth and performance metrics, including reach, engagement, saves, shares, watch time, follower growth, profile visits, click-through rates, leads, and conversions. You will also help identify content opportunities around healthcare trends, medical education, health tech, patient questions, professional insights, business updates, and brand partnership opportunities. I also want support with creating ads and ad creatives, including social media ads, promotional posts, and potentially local business-style ads similar to what you might see on platforms such as Yelp, Facebook, Instagram, or Google. Tools and Systems: You should be comfortable using or recommending tools such as Sprout Social, Hootsuite, Agorapulse, Metricool, Buffer, Later, Planable, Vista Social, Sendible, Canva, CapCut, Notion, Airtable, Brand24, Brandwatch, Meltwater, HubSpot, or similar platforms. I do not expect you to use every tool, but I do expect you to understand how a professional social media management stack works. Ideal Candidate: You have proven experience managing and growing social media accounts for personal brands, founders, doctors, healthcare professionals, clinics, medical practices, health tech companies, wellness brands, or service-based businesses. You understand both the creative and analytical sides of social media. You can create strong content ideas, write engaging captions, manage comments and DMs, interpret analytics, and recommend improvements without needing constant direction. Experience in the medical, healthcare, wellness, or health tech space is strongly preferred. Because this is healthcare-related, I need someone who understands the importance of professionalism, accuracy, compliance, and avoiding exaggerated or misleading claims. Required Skills: Social media strategy, personal branding, healthcare content marketing, content planning, content scheduling, community management, comment and DM management, short-form video strategy, caption writing, hashtag research, growth strategy, competitor research, social listening, analytics and reporting, Canva, CapCut, and experience with at least one major social media management platform. Preferred Skills: Experience with healthcare or medical brands, personal brands, local service businesses, health tech partnerships, brand deal positioning, ad creative, paid social ads, Yelp-style local business ads, Facebook/Instagram ads, Google Business Profile content, and lead generation is a major plus. To Apply: Please include examples of social media accounts you have managed or grown, especially any personal brands, healthcare brands, medical practices, wellness companies, or health tech accounts. Please also include screenshots or summaries of performance results if available, the tools you currently use, your process for managing content and engagement, and how you would approach growing a healthcare personal brand that connects to medical businesses, health tech partnerships, and ad opportunities. I am looking for someone who can take ownership of the social media function and operate like a true partner, not just a poster or scheduler.

  • Hourly: $30.00 - $50.00
  • Intermediate
  • Est. time: Less than 1 month, Less than 30 hrs/week

I’m running a real estate investment platform called ToInvested.com. The project is about 90% finished, and most of the code was built with Claude together with another engineer. Now I need a senior engineer to step in, review the full product carefully, test every major workflow, and help verify that everything is working correctly before it goes live. This is not just a “write more code” role. I need someone who can look at the platform like a real product, find hidden bugs, catch weak logic, test edge cases, review the AI-generated code, and tell me honestly what is ready and what still needs fixing. Because this is a real estate investment platform, accuracy and trust matter a lot. Users may rely on property data, investment logic, calculations, and AI-driven insights, so even small issues can create a serious problem later. The ideal person has strong full-stack experience, understands AI-assisted development, and has a good testing mindset. Real estate tech experience would be a big plus, especially with property platforms, investment tools, marketplaces, mortgage systems, or financial workflows. My main goal is simple: I want someone to break the project before real users do. If you’re the kind of engineer who can take a nearly finished product, test it deeply, clean up weak areas, and help make it production-ready, I’d be happy to talk.

  • Hourly: $70.00 - $90.00
  • Expert
  • Est. time: More than 6 months, 30+ hrs/week

We are a fast-growing telecom / AI-First CPaaS serving sms and voice API's. We are building the first AI-first communications platform (SMS, Voice, RCS, AI agents) designed for speed, simplicity, and real-world business outcomes. We are not looking for a “task completer.” We are looking for a true senior engineer who: thinks in systems moves fast makes decisions independently writes clean, scalable code uses AI tools (Claude, etc.) as a force multiplier ⚠️ Read This First Most applicants will not be a fit. If you need: detailed tickets hand-holding constant direction This is NOT the role for you. If you are the type of engineer who: sees a problem and solves it end-to-end improves architecture without being asked ships quickly without sacrificing quality You will thrive here. What You’ll Do Build and ship full-stack features across our platform (messaging, voice, AI workflows) Make architectural decisions (not just implement) Improve system performance, reliability, and scalability Work directly with founders (no PM layers) Move from idea → production very quickly What We Expect (Non-Negotiable) 5+ years real full-stack experience (not just titles) Strong backend experience (Node.js / APIs / infra) Strong frontend experience (React or similar) Experience building production systems at scale Ability to work autonomously with minimal direction High ownership mentality Bonus (but highly valuable) Experience with telecom / CPaaS / messaging Experience with AI integrations (LLMs, agents, workflows) Experience optimizing performance at scale Startup experience (especially early-stage or fast growth) How We Work Small, high-output team Very fast iteration cycles No unnecessary meetings High trust, high expectations We use AI tools heavily (Claude, etc.) — you should too What We Care About Most Not your resume. We care about: How you think How you build How fast you execute The quality of your code To Apply Please include: Links to projects you’ve built (real production work) A short explanation of: a system you designed end-to-end a difficult technical decision you made independently Your GitHub Optional (but strong signal): Share how you use AI (Claude, etc.) in your workflow Compensation Competitive (based on experience) Long-term opportunity with a fast-growing, profitable company If you are truly senior, this will feel obvious. If not, this role will be very uncomfortable.

  • Hourly: $25.00 - $47.00
  • Expert
  • Est. time: 3 to 6 months, 30+ hrs/week

We are building a production SaaS platform called MarketLens, designed for investment teams and analysts who need real-time market intelligence combined with AI-generated insights and portfolio tracking tools. What You’ll Do - Build and maintain the core backend services in Python (FastAPI / Django) - Develop frontend dashboards using React (TypeScript preferred) - Integrate real-time data pipelines (WebSockets, streaming APIs, or message queues) 1. Implement AI features such as: 2. Market summarization using LLMs 3. Portfolio risk explanations 4. Automated insight generation from time-series data - Design and maintain scalable APIs for analytics and user data - Work on subscription and billing logic (Stripe integration) - Improve system performance, especially around data freshness and dashboard latency - Participate in architecture decisions for scaling AI + data workloads Our clients are small to mid-sized hedge funds and financial advisory teams who currently rely on fragmented tools like Bloomberg exports, spreadsheets, and separate analytics dashboards. MarketLens aims to unify all of this into a single workflow.

  • Hourly
  • Expert
  • Est. time: 1 to 3 months, Not sure

ABOUT THE PROJECT I’m building a premium concierge matchmaking service that connects people through a thoughtful, human-curated process. This isn’t a swipe-based app or a subscription platform. It’s a carefully designed member experience where real people are matched by hand and meet in person. I’m looking for a developer who wants to build something meaningful from the ground up. The product is entirely digital but deeply human, and the person building it should care about both of those things. The project has a well-defined scope, a detailed brief, and a founder who has done the strategic and operational thinking upfront so you’re not figuring out requirements as you go. This is a founder-budgeted project, not a corporate one. I’m looking for someone who uses every tool available to work efficiently and deliver a production-ready build at a price that reflects a smart, modern development workflow rather than traditional hourly rates on a blank canvas. If you’ve developed a system for using AI coding tools intelligently as part of your process, I want to hear about it. WHAT YOU’LL BUILD A custom web application handling the full member journey from first click to post-meetup follow-through. The core components: Marketing site with clean, branded design (style guide and brand assets provided) Member application flow covering account creation, email verification, terms acceptance, payment collection, identity verification, intake survey, and confirmation screens Stripe Payments integration for two separate fee collections at different points in the member journey Stripe Identity integration for government ID scan and liveness verification, which is a safety feature core to the product Twilio integration for phone OTP verification and outbound SMS communications throughout the member journey Member database storing intake responses, verification status, match pairings, and journey history Admin dashboard for the founder to manage members, view pipeline status, track match confirmations, and receive operational notifications when key events occur Automated logic for time-sensitive business rules including a 48-hour confirmation window with conditional branching and a 7-day rematch guarantee with automatic Stripe refund trigger Resume flow for members who drop off mid-application Referral program integration Post-meetup feedback survey with conditional contact exchange logic and safety flag escalation to the founder THE TECH I’m looking for a Node.js developer who is comfortable working across the full stack. Beyond that I don’t prescribe the approach. If you have a preferred framework, database, or architecture that fits this scope and lets you work efficiently, make the case for it in your proposal. I’m open to AI-assisted development workflows. If you’ve trained or refined how you use AI coding tools and know how to validate, own, and implement the output at a production level, that’s a genuine asset on a project like this. What I care about is that you bring real expertise to every decision the AI can’t make for you, including security, data handling, edge cases, and the integrations that require deep API knowledge. Smart use of available tools is part of how we get to a founder-friendly budget without cutting corners on quality. WHAT I’M LOOKING FOR Solid full stack experience with Node.js. This is a production application handling payments and biometric identity data, not a first project. Demonstrated experience with Stripe API integrations. Stripe Identity experience specifically is a strong plus and worth calling out in your proposal. Experience with Twilio or comparable SMS and verification APIs. Comfort building member-facing web applications with authentication, gated content, and user-specific flows. A security-conscious mindset. You understand that handling government ID scans, liveness data, and payment information carries real responsibility and you build accordingly. Clear communication skills. You’ll be working directly with a non-technical founder and explaining what you’ve built in plain language is part of the job. Ability to document your work thoroughly. Loom walkthroughs and written technical documentation are required deliverables, not optional extras. A modern, efficient approach to development. Whether that means AI tooling, well-chosen frameworks, reusable components, or a workflow you’ve refined over time, I want someone who works smart and can speak honestly to how they arrive at their pricing. ENGAGEMENT STRUCTURE Initial build: fixed price project. Please provide your estimate based on the scope above. I have a realistic founder budget and I’m not looking for the lowest bid. I’m looking for someone who builds things that work reliably, takes pride in the craft, and uses a smart efficient workflow to make the numbers work for both of us. Ongoing retainer: after launch I’d like to keep you on a light monthly retainer for maintenance, monitoring, and occasional additions as the business grows. Scope and rate to be discussed before project close. CODE OWNERSHIP All code, design, and intellectual property produced during this engagement transfers fully and exclusively to me upon payment. You retain no ownership, licensing rights, or claim to any part of the codebase, design assets, or documentation produced for this project. This is non-negotiable and will be reflected in our written contract before work begins.

  • Hourly: $70.00 - $85.00
  • Expert
  • Est. time: Less than 1 month, Less than 30 hrs/week

We are building the online storefront and patient acquisition flow for an online wellness and longevity genetics-guided brand offering peptide therapy, hormone optimization, weight loss, lab testing, and ongoing provider support. Our website is ready and we now need an expert to connect the website to the Gen-Health https://gen-health.app/api-docs?tab=v2-api platform/API and design the full patient journey from first click through provider handoff, payments, subscriptions, treatment onboarding, follow-up, status visibility, etc.

  • Hourly: $70.00 - $85.00
  • Expert
  • Est. time: More than 6 months, Less than 30 hrs/week

Overview We are seeking an experienced Senior Full-Stack Developer to help maintain and expand a growing insurance technology platform that simplifies the purchase and management of commercial property insurance. Our platform serves businesses and insurance providers through a modern client portal and marketplace via integrating various vendors APIs. We're looking for a developer who can take ownership of features across the entire stack, contribute to architectural decisions, and deliver high-quality code in a collaborative remote environment. Contract Length: 6–12+ months Engagement Type: Part-Time (with potential for FT) Location: Remote Preferred Regions: Canada, US Midwest, Southwest What You'll Do - Own feature development from front-end through back-end implementation - Design, build, test, and deploy new platform functionality - Troubleshoot and resolve bugs across the application stack - Integrate third-party systems using REST and SOAP APIs - Collaborate with the founder and development team to improve platform capabilities - Participate in code reviews and technical discussions - Help improve application performance, scalability, and reliability. Required Technical Skills Expert-level PHP Expert-level JavaScript Expert-level PostgreSQL Strong experience building and maintaining production web applications Excellent debugging and problem-solving skills Preferred Skills Symfony Framework Symfony API Platform React Redis Docker RabbitMQ CSS / modern front-end development Ideal Candidate - 3 or more years of full-stack development experience - Good understanding of modern software architecture and API design - Comfortable working independently with minimal supervision - Experience integrating external systems and third-party services - Experience working in distributed remote teams - Familiarity with commercial insurance, fintech, or other regulated industries is a plus. Technology Stack: PHP Symfony React PostgreSQL Redis RabbitMQ Docker REST APIs SOAP APIs Collaboration Tools GitHub Slack Modern remote collaboration workflows To Apply Please include: - A brief summary of your experience with PHP and Symfony. - Examples of applications you've built using React. - Your experience integrating SOAP and REST APIs. - Your experience with PostgreSQL performance optimization. - Your timezone and weekly availability. - Links to GitHub, portfolio projects, or code samples (if available).

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