Senior / Lead Software Engineer

Senior / Lead Software Engineer

Location: Hybrid – Warsaw, Poland (3 days/week in-office from late 2025)Until our Warsaw office opens (target: Q4 2025), the role will be remote with periodic in-person team meetings. Once operational, we expect team members to be present in the  Warsaw office to foster collaboration, speed, and shared ownership. Travel requirements: Expected to travel to London once per 3 months.Team: EngineeringReports to: COOType: Full-time

We are a reg-tech platform that empowers companies to manage and streamline  their critical business and sustainability reporting processes. We have achieved  product-market-fit and are in hyperscale mode. Our mission is to make sustainability  data actionable; enabling organizations to navigate complex regulatory requirements,  enhance operational efficiency, and drive measurable impact. Our business is founded  and led by two Harvard MBAs with backgrounds in McKinsey consulting and Private Equity investing and operating. The team is led with a sense of urgency and laser focus on business impact. We work with modern technologies like TypeScript, Node.js, React, PostgreSQL, and AWS, and we integrate cutting-edge AI tools like ChatGPT, Claude, and  Cursor to supercharge our way of working.

The RoleWe’re looking for Senior or Lead Software Engineers who want to build high-quality  software at speed, own meaningful product features end-to-end, and ship product  directly into the hands of the business user. You’ll be part of a lean, senior, fast-moving  tech team that values pragmatism, creative problem-solving, and operates at pace. 

What You'll Do• Build and ship new features across our tech stack, with end-to-end ownership• Solve real-world, mission critical problems for enterprise customers• Champion best practices in code quality, testing, and DevOps• Adopt and experiment with AI productivity tools; bring your ideas on how they can improve our engineering and product velocity

What We're Looking For• We are not looking for people to ride along, we look for engineers that take the wheel,  raise the bar and push our pace.• Experience shipping SaaS b2b software in production• Solid expertise in TypeScript, ideally full-stack (Node + React)• Familiarity with PostgreSQL and cloud platforms (we use AWS)• A problem-solving mindset paired with accountability; you thrive with owning the outcomes • You're fast, pragmatic, and comfortable with ambiguity

Technologies: • Frontend – React and Next.Js driving code modularity and development speed.  TypeScript and Jest for e2e testing.• Backend – TypeScript and Node.js web to build APIs quicky with full control over  routing, middleware and request handling.• Infrastructure – AWS infrastructure as a code, enriched with Amazon Bedrock for AI  enablement.• Database – Amazon RDS with PostgreSQL.• CI/CD pipeline: Github actions drive safe and automated deployments with fast  feedback.• Developer AI tooling: Claude, ChatGPT for research, code debugging and code  review. Github Copilot accelerates coding and reduce developer context switching and  focus on problem solving.

Why Join Us?• Join an ambitious team that wants to win and pushes each other to reach the best  individual and team goals• Work with a modern stack (TypeScript, Node, React, Postgres, AWS) and grow into  architecture leadership• Use cutting-edge AI tools like ChatGPT, Claude, and Cursor as part of your workflow• See your impact directly; this is a high-ownership role in a scaling compan

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