Senior Software Engineer (Node.js, TypeScript)

📍 Remote (Candidates must be based in Poland)

💳 Experience in Credit Cards or Payments is required

We are partnering with a leading global business on the lookout for experienced Senior Software Engineers to join a fast-paced and high-performing engineering team. This is a great opportunity to work on cutting-edge cloud-based platforms, particularly within the payments and credit card domain. You’ll be contributing to technically challenging and impactful projects, while collaborating with a team that values clean architecture, innovation, and shared success.

What You’ll Be Doing

• Build & Ship: Design, develop, and deploy scalable backend applications using Node.js and TypeScript, within a serverless AWS environment.
• Collaborate: Work cross-functionally with product, design, and engineering teams to build robust backend services that support business-critical systems.
• Maintain & Improve: Monitor production systems, respond to incidents, and proactively improve reliability and observability.
• Evolve & Learn: Stay ahead of the curve with modern development practices and tools, and help evolve the tech stack with new ideas and approaches.

What We’re Looking For

• Experience: 6+ years in software engineering with a strong focus on backend development.
• Technical Expertise: Hands-on experience with Node.js, TypeScript, NestJS, serverless architectures, and event-driven systems.
• Cloud Skills: Proven experience with AWS services such as Lambda, Aurora (MySQL/PostgreSQL), and infrastructure-as-code tools.
• Database Knowledge: Strong skills in designing and managing relational databases, with ORM experience (e.g., TypeORM, Prisma).
• Domain Knowledge: Solid understanding and commercial experience in payments or credit card systems is highly desirable.
• Problem Solver: Analytical mindset with strong debugging skills and a focus on delivering resilient, scalable solutions.
• Nice to Have: AWS certifications or equivalent cloud qualifications.

Tech Environment You’ll Work In

• Languages & Frameworks: TypeScript, Node.js, NestJS
• Cloud & DevOps: AWS (Lambda, Serverless Framework, Aurora), CI/CD pipelines
• Databases: AWS Aurora, MySQL, PostgreSQL
• Monitoring & Observability: Cloud-native tooling, custom logging and alerting solutions