Senior Backend Developer (Java/Kotlin, AWS)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on a Customer Data Management product representing customer–vehicle relationships across the lifecycle. Core technologies are Java/Kotlin with Spring, leveraging AWS and Kafka. Responsibilities include designing, implementing and operating backend services, building integrations and APIs, driving architecture for distributed systems, applying Infrastructure as Code and cloud security practices, and participating in build/deploy activities under a "you build it, you run it" model. The offer includes remote work and benefits such as Luxmed Gold and Multisport Plus.

newyou can start ASAP

Senior Backend Developer (Java/Kotlin, AWS)

Company: YOUR ITEAMS sp. z o.o.

from: 22 September 2026
to: 22 October 2026
100 - 120net (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Java
Spring Boot
Kotlin
AWS
Kafka
JavaScript
Angular

Operating system

Windows

Our requirements

  • Proven professional experience as a backend or fullstack developer with strong expertise in Java and/or Kotlin (Spring).
  • Hands-on experience with AWS services and cloud-native design patterns.
  • Demonstrable experience in API integration, event-driven architectures and Kafka.
  • Experience in architecture and system design for distributed systems.
  • Familiarity with Infrastructure as Code and cloud security best practices.
  • Operational experience consistent with a “you build it, you run it” approach.
  • Strong interpersonal and communication skills to collaborate across product, engineering and client teams.
  • Desirable: experience with JavaScript (Angular) and familiarity with Salesforce APIs.
  • Fluent English

Your responsibilities

  • Design, implement and operate backend services using Java or Kotlin and Spring framework.
  • Develop and maintain integrations and APIs connecting multiple internal and external systems (including CRM and customer-facing applications).
  • Collaborate with the product team to define service boundaries, data models interfaces that support the customer–vehicle lifecycle.
  • Drive architecture and system design decisions for scalability, reliability and performance.
  • Apply cloud best practices on AWS, including Infrastructure as Code and cloud security principles.
  • Work with streaming and messaging technologies such as Kafka for event-driven integration patterns.
  • Adopt a DevOps mindset: participate in build, deployment and run activities, and contribute to automation and operational readiness.
  • Contribute to technical reviews, mentoring and knowledge sharing within the team.

About the project

We are seeking an experienced Senior Backend (Fullstack) Developer to join the Customer-Vehicle-Relation product team within the Customer Data Management (CDM) domain. The person in this role will contribute to defining, building and operating scalable services that represent the customer–vehicle relationship throughout the lifecycle. Strong delivery experience in integration projects and the ability to add value from day one are essential.

This is how we organize our work

This is how we work

you focus on product developmentyou focus on code maintenanceagilescrum

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
  • documentation
  • issue tracking tools
  • testing environments
Company

What we offer

  • Remote working.
  • Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.
  • Agile approach and no bureaucracy.
  • Outstanding integration trips to various places in Europe.
  • Activities to support your well-being and health.
  • Luxmed Gold Extended medical care and Multisport Plus benefit.

Development opportunities we offer

  • conferences in Poland
  • development budget
  • external training
  • mentoring

Benefits

  • private medical care
  • remote work opportunities

Recruitment stages

  • 1.
    Screening Call
  • 2.
    Cultural Fit Interview
  • 3.
    Technical Interview
  • 4.
    Final Round Interview

YOUR ITEAMS sp. z o.o.

Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.
Agile approach and no bureaucracy.

This is how we work

Senior Backend Developer (Java/Kotlin, AWS)
100–120 zł / hr. (B2B)
I apply to:
YOUR ITEAMS sp. z o.o.
Warszawa, Masovian
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