Job
In this role, you will enhance a modular Java/Jakarta EE platform, make architectural decisions, implement infrastructure improvements, and work closely with the CTO to drive seamless operations.
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Your role in the team
- As a Tech Lead, you assume a central bridging role between engineering and corporate management.
- You work closely with the CTO, relieving him operationally and ensuring that the platform keeps pace with the company's growth – technically and organizationally.
- Further development and maintenance of the modular Java/Jakarta EE platform, including co-responsibility for architectural decisions.
- Implementation of the identified infrastructure improvements: IaC (Terraform / CloudFormation), multi-region setup, DR plan.
- Responsibility for implementing open security measures.
- Driving the migration of binary data from MongoDB to S3 as well as other technical debt reduction projects.
- Evaluation and further development of CI/CD pipelines (GitLab CI) and test coverage.
- Establishment of formal code review processes and consistent planning cycles within the development team.
- Close collaboration with the CTO for the gradual handover of engineering and operations responsibilities.
- Support in establishing a product management process in alignment with customer requirements.
- Mentoring the junior frontend developer and supporting the senior engineers.
- Shared responsibility for monitoring, alerting, and incident response (AWS CloudWatch, Sentry, Crashlytics).
- Optimization of the Sentry configuration for noise reduction and improved observability.
- Automation of dependency vulnerability scanning in the CI pipeline.
- Support of customer projects on the technical side - from onboarding to troubleshooting.
Our expectations of you
Qualifications
- Solid understanding of cloud infrastructure, ideally AWS (EC2, ECS, CloudWatch, S3).
- Familiarity with CI/CD pipelines (GitLab CI, GitHub Actions, etc.) and modern deployment practices.
- Hands-on mentality: You can deliver immediate value without requiring months of onboarding.
- Knowledge of Infrastructure-as-Code (Terraform or CloudFormation).
- Understanding of mobility, car-sharing, or rental domains.
- Knowledge of telematics hardware integrations or IoT-related systems.
- Class B driver's license.
Experience
- Several years of experience in backend development with Java (Jakarta EE / Java EE / Spring) in production systems.
- Extensive experience with Test-Driven Development (TDD) as well as a high quality awareness and interest in Software Craftsmanship.
- Proven experience as a Tech Lead or Senior Engineer with team responsibility.
- Experience with MongoDB or comparable NoSQL databases in a production environment.
- Experience with React and/or React Native in the frontend.
- Experience in regulated environments or with GDPR compliance projects.
What we offer
- One of the most technically impressive small platforms in the German mobility landscape - with real responsibility from day one.
- Short decision-making paths, high degree of creative freedom.
- A well-established team with 5-10 years of shared platform history.
- Modern tech stack: Java 17, Jakarta EE 10, React, React Native, GitLab CI/CD - no legacy burden.
- Hybrid work with office in Berlin; flexible working hours.
- Competitive salary, depending on experience and qualifications.
- Active participation in the strategic development of the company.
Benefits
Work-Life-Integration
Topics you will work on
Job locations
About your employer
Future Energy Ventures is a Berlin-based venture capital and collaboration platform dedicated to supporting startups and growth companies in the energy transition. The company provides funding, industry access, and scaling support, particularly in the areas of decarbonization, grid modernization, and energy storage. Since its founding in 2016, Future Energy Ventures has focused on innovative energy solutions.
- Startup
- Onsite, Hybrid
- Power Sector, Economy
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