Senior / Lead Software Engineer

Antal IT Sales/ Tech; Warszawa; Hybrid; PLN 213,000 - 299,000; Full time

Job summary

A leading tech company in Warsaw is seeking Senior or Lead Software Engineers to build high-quality software with end-to-end ownership. This role offers the opportunity to work with a modern tech stack including TypeScript, Node.js, and React in a hybrid environment. Ideal candidates will have B2B SaaS experience and a problem-solving mindset. Join an ambitious team pushing for excellence.

Benefits

Use cutting-edge AI tools

Impact directly on company growth

Work with a modern stack

Qualifications

• Experience shipping SaaS B2B software in production.
• Solid expertise in TypeScript, ideally full-stack.
• A problem-solving mindset paired with accountability.

Responsibilities

• Build and ship new features across our tech stack.
• Solve real-world, mission critical problems for enterprise customers.
• Champion best practices in code quality, testing, and DevOps.

Skills

TypeScript

Node.js

React

PostgreSQL

AWS

Job description

• 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.
• Reports to: COO
• Type: Full-time
• We’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.

responsibilities :

• 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

requirements-expected :

• 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.

offered :

• 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