Full-stack Engineer (.NET + Reactjs - BE Focus)

Top 3 reasons to join us

• Boost your international career at CODE LEAP
• Work on challenging German B2B products
• Flexible work policy with Grab sponsorship

Job description

YOUR EXCITING TASKS

• Develop scalable, maintainable full-stack solutions using C#/.NET on the backend and ReactJS (JavaScript/TypeScript) on the frontend
• Design, build, and integrate RESTful APIs and ensure smooth communication with client-side applications
• Implement responsive, user-friendly UIs using modern libraries (Tailwind, MUI, Ant Design, etc.) and effective state management (Jotai or similar)
• Ensure secure communication, authentication, and authorization across services following industry standards
• Write and maintain unit tests and integration tests to ensure reliability across the frontend and backend
• Collaborate closely with QA, frontend/backend engineers, and BA/POs through code reviews, pair programming, and knowledge-sharing
• Continuously improve code quality, performance, and scalability across the stack.
• Maintain and update technical documentation for clarity and team alignment
• Stay up to date with emerging full-stack technologies to drive innovation and efficiency

Your skills and experience

YOUR PROFILE AND YOUR PERSONALITY :

• 4+ years of experience in web application development in dynamic environments
• 4+ years of experience with C# and .NET, with strong backend/API development expertise
• Strong knowledge of JavaScript, TypeScript, ReactJS, RESTful APIs, and WebSocket
• Familiarity with OpenAPI (Swagger), Postman, and HTTP clients (fetch, axios)
• Proficiency in unit testing (frontend and backend)
• Proven experience designing and building RESTful APIs
• Deep hands-on experience with Microsoft Azure services (Container, AKS (k8s), API Management)
• Familiar with cloud networking and security concepts (Managed Identity, VNet, NSG).
• Database experience: SQL Server, Cosmos DB, NoSQL
• Strong understanding of software design patterns and modern architectures (Onion, DDD, Event-Driven, Clean Architecture)
• Excellent problem-solving, collaboration, and communication skills

Nice to have

• Experience with CI/CD pipelines and DevOps practices
• Knowledge of performance optimization, caching (Redis or similar), and scalability strategies
• Familiarity with agile development and working in distributed teams
• Hands-on experience with UI libraries: Tailwind, MUI, Ant Design, Element Plus
• Skilled in SCSS, LESS, styled components, and state management tools like Jotai

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 a stress-free and comfortable commute to and from work with our Grab Services sponsor
• Enjoy an endless selection of delicious refreshments, including gourmet coffee, beverages, snacks, and fresh fruits, all complimentary
• Focused on individual development:
• Flexible work policy, which provides flexible hours to accommodate personal schedules and commitments
• Premium AI Assistant tools are provided to support your work
• Dynamic, fun, and agile environment, perfect for sharing and creativity
• Open-minded, kind & humble colleagues