Senior Full-Stack Developer (Next.js&TypeScript)

Contract: B2B  Rate: 140 - 150 PLN/h net+VAT  Location: Remote within Poland Start: ASAP   Key Technologies: • JavaScript, TypeScript • Backend APIs: REST, GraphQL • Frameworks: Next.js, NestJS • ORM: Drizzle (or similar modern TypeScript ORM) • Database: PostgreSQL • Containerization: Docker • AI tooling: AI-assisted development, agentic coding workflows • Nice to have: Kubernetes, BullMQ, Puppeteer, web scraping, AI integrations: Model Context Protocol (MCP) and agent-to-system interfaces Project Overview We’re looking for a Senior Software Engineer who is comfortable working on both backend and full-stack tasks when needed. As an early member of the team, you will help design and build the systems behind our AI platform. You will work mainly in TypeScript, build APIs and services, and contribute to full-stack features in Next.js.   Responsibilities: • Design and build backend services and APIs (REST and/or GraphQL). • Develop full-stack features in Next.js when needed. • Design database schemas and optimize queries in PostgreSQL. • Work with a TypeScript ORM, preferably Drizzle. • Containerize services for development and deployment using Docker. • Troubleshoot issues, improve performance, and maintain reliability. • Review code, share best practices, and support team development. • Write and maintain clear technical documentation Requirements: • Min. 5 years of experience in JavaScript and TypeScript. • Experience designing and building RESTful or GraphQL APIs. • Hands-on experience with Next.js and/or NestJS. • Experience with ORMs in TypeScript, ideally Drizzle. • Strong PostgreSQL skills, including schema design and query optimization. • Docker experience for local development and deployments. • Interest in using AI tools in day-to-day engineering work and improving development workflows. • Fluency in Polish and an advanced level of English (B2/C1) Nice to have: • Kubernetes experience. • BullMQ or similar background job and queue systems. • Puppeteer or web scraping and browser automation. • Knowledge of Model Context Protocol (MCP) or how AI agents integrate with systems. Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us, and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology! • Stable, long-term, full-time collaboration. • Remote work within Poland and flexible working hours. • High engineering culture with a focus on growth and learning. • Multinational teams. • Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).