Hybrid Fullstack Developer

at ProvenExpert

• Job title: Fullstack Developer
• Job type: Full Time
• Experience level: Junior, Mid level
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Apollo, AWS, Google Cloud Platform, GraphQL, JavaScript, Kafka, Kubernetes, MongoDB, Next.js, Node.js, PHP, Postgres, Python, RabbitMQ, React, Rust, Symfony, TypeScript, Unix, Go
• Location requirements: Hybrid, Berlin, Germany

About the role

• Fullstack Developer enhancing online reputation management tools developing scalable backend services and optimizing user experience with React. Collaborating cross-functionally to implement new features.

Responsibilities

• Develop and maintain scalable backend services using NestJS, Node.js, TypeScript, and TypeORM
• Build and optimize React frontends to improve user experience
• Design and maintain GraphQL (Apollo) and REST APIs
• Use Kubernetes in production environments (OVH, AWS, or GCP)
• Implement secure authentication and authorization flows with Keycloak
• Write clean, tested code and contribute to automated tests (unit, integration, E2E)
• Collaborate with product, design, and business teams to implement new features
• Participate in code reviews and contribute to best practices and knowledge sharing within the team

Requirements

• 2–4 years of experience in backend or full-stack development
• Strong knowledge of TypeScript and JavaScript, ideally with NestJS, Next.js, React, and TypeORM
• Experience with CRUD (REST APIs) and GraphQL
• Proficient with PostgreSQL; knowledge of MongoDB is a plus
• Basic understanding of Kubernetes and containerized environments (operational experience is a plus but not required)
• Experience with CI/CD pipelines and Git (Bitbucket, branching strategies, PR reviews)
• Comfortable using Unix shells (bash/zsh)
• Good English skills; German is a plus
• Team-oriented, eager to learn, and enjoy knowledge sharing
• Nice to have: experience with HubSpot, Monsum, SendGrid, Bevo, or Maxio
• Familiarity with Kafka or RabbitMQ
• Knowledge of other programming languages (PHP/Symfony, Go, Python, Rust)
• Interest in AI-assisted developer tools (e.g., GitHub Copilot, Anthropic Claude)

Benefits

• An international, open-minded team with development opportunities
• Flexible working hours in a hybrid model (office in Berlin + remote work option)
• Modern work environment and free choice of hardware
• Freedom to shape your own ideas and actively contribute to the development of our platform