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

About the Position

Innovate what matters, where it matters

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.

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

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.

About the Company

Avenga is a global company with 6000+ specialists providing a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development.

Locations

• City: Poland
• Country: Poland
• Remote status: Hybrid

Application Process

APPLICATION

Send us your application, we are ready to hear your story and explore how we can grow together.

REVIEW

Our team carefully reviews every application with curiosity and care. If your profile isn’t the right fit today, we will keep it in mind for future opportunities that match your skills and ambitions.

TALENT ACQUISITION INTERVIEW

You will meet our Talent team to talk about your goals and learn more about who we are, what we offer, and how we support our people.

TECHNICAL INTERVIEW

Our tech interview is all about diving deeper into your expertise and understanding your strengths, how you solve problems, and how you think – no trick questions, just a meaningful conversation.

CUSTOMER INTERVIEW

For some roles, especially when our clients are closely involved, you might also have a conversation with them – it’s a chance for everyone to align and get to know each other better.

JOB OFFER

If we both feel it’s the right match, we will send you an offer to join us. And even if it’s not the time just yet, you’ll always hear back from us.

WELCOME!

Your new team is excited to meet you, support you, and build something great together. Let’s make your first day the start of a journey that shapes a career that matters.