API Integration Developer — Hybrid in Warsaw (Remote 2x/Week)

Your ITeams Sp. z o.o.; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Luxmed Gold Extended medical care

Multisport Plus

Job summary

Your ITeams Sp. z o.o. is seeking an API Integration Developer to design, implement and maintain integration services and APIs within a microservices ecosystem.

You will contribute to CI/CD automation, operate in Kubernetes environments, and ensure the quality, security and performance of delivery pipelines. The role requires 4+ years of Java experience, deep API design skills, and hands-on work with Kafka/RabbitMQ and modern cloud-native tooling.

Qualifications

• 5+ years of commercial Java development experience with Java 21+ and Spring Boot.
• Design and implement inter-system integrations and APIs using REST/JSON/OpenAPI, OAuth 2.0 and JWT.
• Experience with microservices, Kubernetes, and CI/CD tools (Bamboo/Jenkins).
• Familiarity with Kafka or RabbitMQ and API management platforms.

Responsibilities

• Design, implement, test and maintain integration flows and APIs.
• Collaborate with architects and product teams to refine requirements.
• Ensure solutions meet security, performance, and reliability standards.
• Participate in code reviews and promote best practices in software delivery.

Skills

Java

Spring Boot

API design

Microservices

CI/CD

Kubernetes

REST/JSON/OpenAPI

OAuth 2.0 / JWT

Kafka / RabbitMQ

API Management

Git / Bitbucket

Unit testing

SQL (PostgreSQL/Oracle)

Tools

Apache Kafka

RabbitMQ

OpenAPI

Bamboo

Jenkins

Git

Bitbucket

PostgreSQL

Oracle

Job description

Your ITeams Sp. z o.o. is seeking an API Integration Developer to design, implement and maintain integration services and APIs within a microservices ecosystem.

You will contribute to CI/CD automation, operate in Kubernetes environments, and ensure the quality, security and performance of delivery pipelines. The role requires 4+ years of Java experience, deep API design skills, and hands-on work with Kafka/RabbitMQ and modern cloud-native tooling.