Senior Software Engineer (Typescript/ Node.js)

Top 3 reasons to join us

• Boost your international career at CODE LEAP
• Work on challenging German products
• Flexible work policy with Grab sponsorship

Job description

• Development and operation of a TypeScript-based Web API for payment transactions
• Development and operation of the Hub App in React including integration with the Payment API
• Design and implementation of secure authentication and authorization mechanisms (OAuth2 / JWT)
• Setup and maintenance of automated CI/CD pipelines (GitHub Actions)
• Implementation of unit, integration and E2E tests including test automation
• Use of AI-assisted development tools to improve quality and efficiency (GitHub Copilot, Claude)
• Close collaboration with the Product Manager and Team Lead
• End-to-end responsibility: API needs to work 24/7

Your skills and experience

• TypeScript: from 5 years of experience developing production-grade Web APIs (Node.js / NestJS or similar)
• React: solid experience building modern web frontends (Hub applications, state management, hooks)
• Microsoft Azure: hands-on experience with App Services, Functions, API Management, Key Vault and Monitoring
• CI/CD: design and operation of build and deployment pipelines (Azure DevOps or GitHub Actions)
• Test automation: Jest, Playwright, Cypress or similar; experience with Test Driven Development
• AI-assisted software development: productive use of tools such as Claude Code, GitHub Copilot or Cursor
• Payment / Security: understanding of payment processes, PCI DSS and secure API development
• Independent, structured way of working
• Strong focus on quality and security
• Team player with a hands-on mindset
• Excellent written and spoken English

Nice To Have
 

• Experience with common payment providers (Stripe, Adyen, PayPal, Mollie)
• Infrastructure as Code (Bicep, Terraform) and container technologies (Docker, Kubernetes)
• Experience in regulated environments (Finance, E-Commerce, SaaS)

Why you'll love working here

• Competitive salary and benefits
• Year-end bonus (13th-month salary)
• Generous annual leave of up to 18 days
• Additional premium health insurance
• Enjoy an endless selection of delicious refreshments, including gourmet coffee, beverages, snacks, and fresh fruits, all complimentary
• 1-on-1 coaching with experienced professionals
• Flexible work policy, which provides flexible hours to accommodate personal schedules and commitments
• Dynamic, fun, and agile environment, perfect for sharing and creativity
• Open-minded, kind & humble colleagues