Senior Java Engineer

HybridSalary not specified
Warsaw, Poland

Tech Stack

JavaAWSDockerKubernetesKafkaSpring BootAgileMicronaut

Job Description, Responsibilities & Requirements

About the Position

Senior Java Engineer

At Avenga, we believe that human creativity empowers technology that matters. 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.

Our Client is building the future of banking. They’re on a mission to build the leading BaaS provider in the UK, underpinned by innovative technology and a strong balance sheet. They’re looking for people with drive, ambition, and a sense of fun. If you want to be part of a talented, diverse group of visionaries building a new company that will change the financial industry landscape, this project is for you.

We’re looking for Java Engineers who will work in one of the core cross-functional mission teams, helping to build core-banking technology.

Responsibilities

  • Deliver as a member of our mission team to build and develop the Client's technology product.
  • Support and oversee junior engineers and act as a subject matter expert.
  • Develop clean, elegant, and reusable code that is well-tested and easy to maintain and extend.
  • Work with stakeholders across the business to drive the direction of Client's engineering and put the long-term interests of customers at the heart of key decisions.
  • Collaborate across our backend chapter to uphold standards and best practices, and to promote innovation.
  • Work collaboratively with the team to resolve technical issues.

Requirements

  • Solid practical and theoretical knowledge of Java software development.
  • Strong experience of Spring Boot / Micronaut.
  • An understanding of Kubernetes / Docker.
  • An excellent understanding of AWS (deployment / configuration).
  • Message-driven architectures / Kafka / event sourcing.
  • Success delivering within an agile.
  • Experience working on a highly secure application environment.
  • Ability to act as a subject matter expert and communicate with clarity and empathy to both technical and non-technical audiences.
  • Understanding how to translate business objectives into data-driven insights.

We Offer

  • Private healthcare.
  • Sport subscription.
  • Life insurance.
  • Benefit platform.

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.

About the Company

Avenga is a global company with a mission to empower technology that matters. 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.

Application Process

  1. Application: Send us your application, we are ready to hear your story and explore how we can grow together.
  2. Review: Our team carefully reviews every application with curiosity and care.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.

Locations

  • City: Warszawa
  • Country: Poland
  • Remote Status: Hybrid

Technology

  • Languages: Java
  • Frameworks: Spring Boot, Micronaut
  • Containers: Kubernetes, Docker
  • Cloud: AWS
  • Messaging: Kafka
  • Methodology: Agile

Job Details

Company name:
Avenga
Location:
Warsaw, Poland
Employment Type:
Full-time
Work Mode:
Hybrid
Posted on TheJob:
5/18/2026
Last checked:
6/12/2026
Posted on the source:
5/15/2026
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