Fullstack Developer building scalable applications with TypeScript and React at ProvenExpert. Collaborating internationally to enhance the platform for better online reputation management.
Responsibilities
Development and maintenance of scalable backend services using NestJS, Node.js, TypeScript and TypeORM
Building and optimizing React frontends to improve the user experience
Designing and maintaining GraphQL (Apollo) and REST APIs
Using Kubernetes in production environments (OVH, AWS or GCP)
Implementing secure authentication and authorization processes with Keycloak
Writing clean, tested code and contributing to automated tests (unit, integration, E2E)
Collaborating with product, design and business teams to implement new features
Participating in code reviews and contributing to best practices and knowledge sharing within the team
Requirements
2–4 years of experience in backend or fullstack development
Solid knowledge of TypeScript and JavaScript, ideally with NestJS, Next.js, React and TypeORM
Experience with CRUD (REST APIs) and GraphQL
Confident working with PostgreSQL; knowledge of MongoDB is an advantage
Basic understanding of Kubernetes and containerized environments (operational experience is a plus but not required)
Experience with CI/CD pipelines and Git (Bitbucket, branching, PR reviews)
Comfortable with Unix shells (bash/zsh)
Good English skills; German skills are a plus
Team-oriented, eager to learn and enjoy sharing knowledge
Desirable: experience with HubSpot, Monsum, SendGrid, Bevo or Maxio
Knowledge of Kafka or RabbitMQ
Familiarity with additional programming languages (PHP/Symfony, Golang, Python, Rust)
Interest in AI-assisted developer tools (e.g., GitHub Copilot, Anthropic Claude)
Benefits
An international, open team with opportunities for professional development
Flexible working hours in a hybrid model (office in Berlin + home office option)
Modern work environment and free choice of hardware
Scope to implement your own ideas and actively contribute to the further development of our platform
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