Senior Backend Engineer (Node.js / NestJS / AWS)
Avenga · Poland
IT Services and IT Consulting · 5,001-10,000 employees
About the role
Design and maintain scalable backend services and REST APIs using Node.js and NestJS for a large telecommunications platform. Deploy and operate applications on AWS using Kubernetes, Terraform, and GitOps while integrating various enterprise platforms.
What they look for
Requirements
Requires over 5 years of commercial software engineering experience with strong proficiency in Node.js, NestJS, and AWS. Candidates must have hands-on experience with Kubernetes, Docker, and Terraform, and possess upper-intermediate English skills.
Full description
This is us
At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development.
This is the job
We're looking for a Senior Node.js Backend Engineer with strong AWS and Kubernetes experience.
This is a cloud-native backend role where you'll build enterprise integration services, work with Terraform, Helm and Amazon EKS, and develop scalable Node.js/NestJS services powering a large telecommunications platform.
This is the team
You'll join an experienced engineering team responsible for designing and maintaining backend services that connect customer-facing applications with enterprise platforms.
Working closely with frontend, platform, and DevOps engineers, you'll build scalable APIs, develop integration services, and contribute to technical decisions across the entire software delivery lifecycle.
This is you
- 5+ years of commercial software engineering experience
- Strong commercial experience with Node.js and NestJS
- Experience building scalable REST APIs and microservices
- Hands-on experience with AWS
- Commercial experience with Kubernetes and Docker
- Experience with Terraform (Infrastructure as Code)
- Experience working with large-scale, business-critical applications
- Experience integrating enterprise platforms, internal systems, or third-party APIs
- English — Upper-Intermediate+
Nice to have
- Helm
- ArgoCD
- GitOps workflows
- Amazon EKS
- Experience with Salesforce, Netcracker, Storyblok, or similar enterprise platforms
- Telecommunications industry experience
This is your role
- Design, develop, and maintain scalable backend services using Node.js, TypeScript, and NestJS
- Build and maintain REST APIs and Backend-for-Frontend (BFF) services
- Deploy and operate applications on AWS using Terraform, Kubernetes (Amazon EKS), Docker, Helm, and GitOps
- Integrate enterprise platforms including Salesforce, Netcracker, Storyblok, and internal services
- Participate in architecture discussions, code reviews, and technical decision-making
- Collaborate closely with frontend, platform, and DevOps engineers
- Deliver secure, scalable, and maintainable solutions in a complex enterprise environment
What awaits you at Avenga?
At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.
