Kelvin Green GmbH is a dynamic and innovative tech company committed to building high-quality software solutions to accelerate the transition of the heating sector towards renewable energy.

We are seeking a talented Fullstack Developer with a strong emphasis on frontend development (React, Go) to join our team.

https://www.kelvin.green/career-fullstack-developer

Responsibilities

• Work on projects that support green heat transition
• Develop and maintain user-friendly web applications using React, Typescript, GraphQL and Go.
• Collaborate with backend developers to integrate APIs and ensure seamless data flow between frontend and backend.
• Stay up-to-date with emerging trends and technologies in web development.
• Write clean, maintainable, and efficient code.
• Optimize applications for maximum speed and scalability.
• Participate in code reviews, pair programming, and continuous learning.
• Work with design teams to translate UI/UX designs into interactive and responsive web applications.
• Debug and troubleshoot issues across the stack.

Qualification

Profile: Mid-Level Fullstack Developer (Frontend Focus).

Language: Fluent in English and German.

Location: Remote (within Germany) or at our Berlin-based office.

Start: As soon as possible.

Frontend Expertise:

• Strong experience with Typescript, React or similar framework.
• Proficiency in GraphQL for querying and manipulating data.
• Solid understanding of HTML, CSS, and JavaScript fundamentals.
• Experience with frontend build tools and package managers (e.g., Webpack, npm/yarn).

Backend Knowledge:

• Proficiency in Go.
• Experience with relational databases (RDBMS) and SQL.
• Understanding of RESTful and GraphQL API design principles; experience with gRPC is a plus.

DevOps and Deployment:

• Experience with Docker for containerization and deployment.
• Familiarity with Kubernetes and container orchestration is a plus.
• Knowledge of CI/CD pipelines (GitHub) and version control systems (Git).

General:

• Strong problem-solving skills and attention to detail.
• Ability to work independently and in a team environment.
• Excellent communication and collaboration skills.
• Passion for technology and continuous learning.