Senior Full Stack Developer

• Build and maintain scalable full-stack applications using modern JavaScript and TypeScript technologies.
• Develop high-quality frontend experiences using React and Next.js.
• Design and implement scalable backend services using Node.js.
• Build AI-powered features using Large Language Models (LLMs) and modern AI APIs.
• Integrate AI capabilities into production applications using providers such as OpenAI, Anthropic, or Gemini.
• Design APIs and scalable software architectures.
• Collaborate with product and engineering teams to transform ideas into production-ready features.
• Optimize application performance, scalability, and reliability.
• Participate in architectural discussions and technical decision-making.
• Write clean, maintainable, and well-tested code.

We’re looking for a Senior Full Stack Engineer who is passionate about building products from the ground up and enjoys working in fast-paced startup environments., * 7+ years of experience as a Full Stack Software Engineer.

• Expert-level JavaScript and TypeScript.
• Strong experience with React and Next.js.
• Strong backend experience with Node.js.
• Hands-on experience building AI-powered applications.
• Experience integrating LLMs such as OpenAI, Anthropic, Gemini, or similar.
• Experience working with AI SDKs, prompt engineering, AI workflows, or AI agents.
• Experience designing REST APIs and scalable web applications.
• Experience building SaaS products.
• Strong understanding of software architecture and engineering best practices.
• Experience working in startup or fast-paced environments.
• Excellent problem-solving skills and ownership mentality.
• Professional English communication skills.

Nice to Have

• NestJS
• Python
• LangChain
• LangGraph
• Model Context Protocol (MCP)
• Retrieval-Augmented Generation (RAG)
• AI Agents
• Vector Databases (Pinecone, Weaviate, pgvector, Qdrant)
• PostgreSQL
• Docker
• AWS
• CI/CD

What We’re Looking For

We’re looking for engineers who:

• Enjoy building products from scratch.
• Have a strong product mindset.
• Take ownership and work autonomously.
• Are comfortable making technical decisions.
• Thrive in startup environments.
• Are excited about building AI-native products.
• Enjoy collaborating with highly technical teammates.

• Work with a fast-growing US startup.
• Fully remote position.
• Full-time contractor role.
• High-impact engineering work.
• Opportunity to help build an AI-first product from an early stage.
• Collaborative, senior-level engineering team.
• Long-term opportunity.