Senior Backend Engineer (Node.js / NestJS / AWS)

Company: Avenga

Location: Poland

Employment Type: FULL_TIME

Date Posted: 2026-07-08T00:00:00+02:00

About the Position

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.

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.

Responsibilities

• 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

Requirements

• 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

We Offer

• Opportunity to work in a dynamic and innovative environment
• Be part of a global team of experts
• Competitive salary and benefits
• Professional growth and development opportunities

About the Company

At Avenga, people are at the core of our values. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.

Application Process

1. Send your CV: Tell us about your core skills and what you're looking for next.
2. Talent Call: Meet our Talent team to talk about your goals and experience while exploring our culture and the way we work.
3. Technical Interview: We'll explore your experience, strengths, and approach to work to see what we can build together.
4. Customer Interview: For some roles, you'll meet our customers to understand the outcomes your expertise can help create.
5. Welcome to Avenga: An offer is just the beginning. We welcome you to put your expertise into action and shape what's next together.