Our client is a leading European tech company building scalable, high-performance backend services and platforms for enterprise and AI-driven applications.
Our mission is to combine cutting-edge backend technologies with reliable, automated DevOps practices, ensuring secure, maintainable, and high-quality systems for our clients.
As a Senior Backend Engineer (Python / FastAPI), you will play a key role in designing, developing, and deploying backend services, internal tools, and platform infrastructure. You will collaborate closely with product teams, frontend engineers, and DevOps to deliver robust, scalable, and production-ready solutions.
Responsibilities:
- Develop and maintain backend services using Python (FastAPI)
- Work with PostgreSQL to design schemas, optimize queries, and ensure data integrity
- Build and maintain internal CLI tools using TypeScript
- Manage a monorepo using Nx
- Manage deployment workflows and infrastructure using Kubernetes (K8s) and Helm
- Implement CI/CD pipelines using GitHub Actions for automated testing and deployment
- Collaborate with cross-functional teams to improve system architecture, reliability, and scalability
- Troubleshoot and optimize performance across backend services and infrastructure
- 5+ years of experience in backend development in a production setting with real users
- Strong proficiency in Python, especially building APIs with FastAPI
- Solid experience with relational databases, preferably PostgreSQL
- Experience with TypeScript / Nx for tooling or automation tasks
- Hands-on experience with Kubernetes (K8s) and Helm
Familiarity with containerization best practices (Docker)
- Experience designing and maintaining CI/CD pipelines (GitHub Actions or similar)
- Strong problem-solving skills, system design thinking, and attention to detail
- Exposure to observability, logging, and monitoring tools
- Experience with cloud platforms (AWS, GCP, Azure)
- Exposure to observability, logging, and monitoring tools
- Experience integrating backend systems with frontend or AI/ML pipelines
- Backend: Python (FastAPI), PostgreSQL
- DevOps / Platform: Kubernetes (K8s), Helm, CI/CD (GitHub Actions)
- Internal tooling: TypeScript / Nx for CLI and automation tools
- Other: Docker, cloud infrastructure (AWS/GCP/Azure), monitoring and observability
We offer*:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
Top Skills
What We Do
N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success.
With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc
