Senior Fullstack Developer
GIGA.GREEN
full-time
Posted on:
Location Type: Remote
Location: Germany
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Job Level
About the role
- Are you excited to help shape the world of tomorrow with us? Join our Product & Tech team as a (Senior) Fullstack Developer (all genders) and actively shape the technological foundation for scaling our energy projects.
- Build systems that automate our internal processes, connect our platform landscape, and create the basis for further growth at GIGA.GREEN.
- Onboarding: Learn our business model, product landscape, and tech stack in detail.
- Get an overview of our existing tools, systems, and integrations.
- Quickly take ownership of initial smaller projects and parts of our system landscape and develop them independently.
- Develop and operate integrations between our core SaaS platforms (e.g., CRM, project management, Google Workspace) to automate key business processes.
- Build scalable backend services and modern frontend interfaces based on React, Node.js, Next.js, and related technologies.
- Work closely with product managers and evolve prototypes—often using AI tools—into stable, production-ready solutions.
- Ensure the security of our applications, improve existing systems, and implement best practices in API security and web security.
- Take responsibility for our infrastructure and ensure our services run stably, performantly, and with proper monitoring.
- Improve our development processes, establish clear standards, and help turn rapid prototypes into scalable architectures.
- Design and implement CI/CD pipelines and continuously develop our DevOps structures.
- Actively contribute to architecture decisions and help shape our system landscape sustainably.
- Use AI-assisted development deliberately, efficiently, and responsibly—and support the team in its effective use.
- Continuously identify optimization opportunities in our tools, processes, and systems.
Requirements
- Degree in an IT-related field or a convincing track record as a Software Developer/Engineer
- Several years of experience in fullstack development with modern JavaScript/TypeScript frameworks (e.g., React, Node.js, Next.js)
- Strong understanding of APIs (REST), system integration, and scalable architectures
- Experience working with SaaS systems and their integration and ideally with automation tools (e.g., Make, n8n)
- Confident with modern development practices (testing, security, API-first, CI/CD) and a pronounced DevOps mindset
- Experience with Docker (including Docker Compose) and ideally basic knowledge of Python
- Experience with AI-assisted software development (e.g., Claude, Codex, or similar) and the ability to critically evaluate and evolve generated code
- Pragmatic approach and the ability to sensibly weigh up custom development vs. using tools
- Fluent English and good German skills
Benefits
- A permanent employment contract in a future-proof industry
- Option to work from home or from our attractive Berlin office near the main train station
- Active contribution to the energy transition and solutions against climate change
- Flat hierarchies and close collaboration with the management team
- An inclusive and friendly work environment and regular team events
- Attractive salary, adjusted to individual experience and qualifications
- A non-cash benefit of €50 per month in cooperation with our partner become1
- A subsidy for your company pension plan
- The chance to be part of a rapidly growing and innovative company
- Interesting and challenging projects
- Training and concentrated knowledge that support your personal development and growth
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
fullstack developmentJavaScriptTypeScriptReactNode.jsNext.jsAPIssystem integrationscalable architecturesDocker
Soft Skills
pragmatic approachcritical evaluationownershipcommunicationcollaborationproblem-solvingadaptabilityresponsibilityoptimization mindsetteam support
Certifications
degree in IT-related field