Lead Backend Engineer (Golang/Node JS / AWS) with German at Spyrosoft

Wrocław, Lower Silesian Voivodeship, Poland -

Full Time

Start Date

Immediate

Expiry Date

16 Sep, 26

Salary

190.0

Posted On

18 Jun, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Node.js, Golang, AWS, PostgreSQL, Docker, Kubernetes, gRPC, REST API, RabbitMQ, AWS SQS, Python, NestJS, Microservices Architecture, Distributed Systems, English, German

Industry

IT Services and IT Consulting

Description

Tech stack: Node.js (primary backend technology) 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 Angular / Svelte (collaboration exposure) Requirements: 5+ years of experience in backend development, ideally within microservices architecture Strong expertise in Node.js and Golang Experience with PostgreSQL and database design for scalable, high-performance systems Solid knowledge of Docker and Kubernetes Hands-on experience with AWS services and infrastructure Experience with gRPC and REST API design Familiarity with event-driven architectures (RabbitMQ, AWS SQS) Understanding of distributed systems and scalability principles Ability to work independently and take ownership of complex tasks Strong problem-solving mindset and proactive attitude Very good command of English and German (both written and spoken) Nice to have: Experience with Python (especially in ETL processes) Familiarity with NestJS framework Exposure to Angular or Svelte frontend technologies Knowledge of the energy or electric energy industry domain Experience working within highly agile environments Experienced in using AI tools in day-to-day workflow 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. Main responsibilities: Design, develop, and maintain scalable microservices using Node.js, Golang, and Python Build and optimize PostgreSQL data models and queries Develop and maintain APIs using gRPC and REST Containerize applications with Docker and manage deployments on Kubernetes (AWS) Contribute to architecture decisions for distributed systems Ensure system scalability, performance, and reliability Collaborate with frontend (Angular) and backend (NestJS) teams Work independently from concept to production delivery Participate in agile ceremonies, code reviews, and continuous improvement initiatives

Responsibilities

Design and maintain scalable microservices using Node.js, Golang, and Python for a digital twin platform in the energy sector. Optimize PostgreSQL data models and manage deployments using Docker and Kubernetes on AWS.