AI Engineer Intern building backend services and AI agents for an accounts receivable automation platform integrating Salesforce, Stripe, and ERPs using Python, FastAPI, LLMs, and Kubernetes.
Compensation: 0.5% – 2.0% Role: Senior/Lead Engineer / Technical Team Lead Type: Founding Team (Equity-Based, No Cash Initially) Commitment: ~5-10 hrs/week to start Location: Remote (MUST be U.S.-based & authorized…
Founding AI Engineer at StarCast building trust, licensing, and rights infrastructure for the AI likeness economy. Equity-only co-founding role with path to CTO, requiring experience building AI products (LLMs, agents, RAG, vector DBs) and scalable distributed systems.
Web3 Frontend Integrations Engineer at reevv building production-grade dApp interfaces: integrating Web3 SDKs (wagmi, Orderly), implementing wallet/transaction flows, converting Figma to React/Tailwind components, and delivering DEX, launchpad, and bridge UIs. Requires 3+ years React/TypeScript, 2+ years blockchain engineering, and autonomous shipping of Web3 frontends.
Founding AI Engineer to build infrastructure for AI likeness economy (trust, licensing, rights) — equity-first co-founding role with path to CTO, requiring experience building AI products (LLMs, agents, RAG, vector DBs) and scalable distributed backend systems.
Contract Growth Product Manager to optimize activation, onboarding, and subscription conversion for LifeScribe AI, a Flutter mobile app that turns spoken memories into written chapters for older adults. The role involves running usability sessions with seniors, mapping funnels, defining analytics events, designing experiments, and writing engineering specs to improve install-to-subscription rates.
Compensation: 1.0% – 5.0% Unyceet is looking for a hands-on Head of Engineering to take ownership of our technical direction and engineering function as we move from product development into live market validation and…
Founding Game Systems Engineer at an early-stage football gaming startup in London. Builds game systems (player attributes, performance modelling, match logic, tactical behaviour), fantasy/multiplayer gameplay, backend infrastructure, and future football engine architecture using JavaScript/TypeScript, C++, Node.js, databases, and AWS.
Keep It Healthy (Dr Kiwi) is a Polish healthtech building a Patient Layer OS for prevention: a layer over clinics' systems and public e-health that turns a clinic's dormant patient base into completed…
Senior Backend Engineer building an integration-heavy OS for AI agencies, focusing on reliable multi-tenant systems using TypeScript, Deno, Supabase, and Postgres to sync CRM, email, calendars, and AI agents with idempotent webhooks, reconciliation, and strict tenant isolation.
Senior Frontend Engineer for a 6-month contract project building web (React 19, Next.js 15) and mobile (React Native, Expo) applications with TypeScript, Tailwind, AWS Cognito/Amplify, and design systems. Remote across India or hybrid.
Data Engineer/Analyst at a health-focused startup owning product measurement with SQL, Python, and PostgreSQL; building analytics layer and internal dashboards while ensuring data privacy.
Part-time iOS QA Engineer at Klizmo, a pre-launch startup building a native iOS app for competitive cyclists. The role involves running builds on physical devices, executing smoke tests, filing bug reports, and tracking regressions for 10 hours/week through public launch.
Business Analyst supporting AI data annotation and evaluation: review and annotate business content, analyze AI-generated outputs for accuracy and reasoning quality, document evidence-based feedback, and maintain quality standards in a production workflow.
Compensation: $1k – $12k • 0.1% – 5.0% AdTech experience is mandatory. Role Overview We are looking for a Senior Golang Engineer with experience in high-performance backend systems and preferably AdTech/RTB…
Backend + AI Engineer at Saela owning the server side: Node.js/TypeScript backend (Express, Prisma, PostgreSQL, Redis, Socket.io) and Python/FastAPI AI service with multi-agent orchestration (PydanticAI, Claude, Gemini via Vertex AI) on GCP.
Contract engineer to cut LLM serving costs by 40% for an AI astrology assistant (FastAPI, Anthropic) by auditing token usage, optimizing caching/payloads, and replacing deterministic LLM calls with code — no model changes allowed.
Compensation: 1.0% – 3.0% As our backend developer, you'll be responsible for building the technology that runs DUSH and it's functionalities. Management of the company code repo, implementing application…
Senior AI Engineer (contract, fully remote, LatAm preferred) who owns end-to-end LLM infrastructure for an AI-powered travel companion app, designing and deploying production GPT/Claude systems with Python, vector databases, and token cost optimization.
AI Engineer at Reflow builds and optimizes agentic AI pipelines, RAG, and LLM-based workflow intelligence for a workforce productivity platform, using Python and agentic architectures to integrate AI into real-world team workflows.
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