Lead Backend Engineer (Node.js/Golang/AWS) with German
Posted
Tech Stack:
- Node.js
- Golang (microservices, gRPC-based services)
- Python (ETL-related components)
- PostgreSQL
- Redis (Key-Value stores)
- gRPC & REST APIs
- Docker & Kubernetes
- AWS (cloud infrastructure)
- RabbitMQ / AWS SQS (event-driven architecture)
- NestJS
Project Description:
You will join the development of an advanced digital twin platform for the energy transition, designed to unify energy and climate-related data into a single, comprehensive solution.
The platform supports stakeholders involved in energy transformation by providing data-driven insights and decision-making tools. It addresses key challenges such as CO₂ balancing, renewable energy expansion, power grid planning, and municipal heating strategies.
Built on a modular and scalable architecture, the solution enables complex analytics and supports real-time insights in a rapidly evolving energy sector.
Required Qualifications:
- 5+ years of professional experience in backend development at a Senior Software Engineer level
- Strong commercial experience with Node.js
- Fluent German (C1/C2) – mandatory , with the ability to communicate confidently with business stakeholders and clients
- Very good command of English
- Experience working directly with clients , including requirements gathering, solution discussions, and ongoing collaboration
- Experience designing and developing scalable backend services and microservices
- Experience with AWS services and cloud-based environments
- Solid knowledge of PostgreSQL and database design for scalable, high-performance systems
- Good understanding of Docker and Kubernetes
- Experience designing and developing REST and/or gRPC APIs
- Ability to work independently, take ownership, and drive solutions from concept to delivery
- Strong communication and problem-solving skills
Nice to Have:
- Experience with frontend technologies such as Angular, Svelte, and TypeScript is a plus
- Experienced in using AI tools in day-to-day workflow
- Knowledge of the energy or electric energy industry domain
- Experience working within highly agile environments