API Integration Developer

Technologies we use

Expected

• Java
• Spring Boot
• Hibernate
• Apache Kafka
• RabbitMQ
• Kubernetes
• Jenkins
• Git
• Bitbucket
• Bamboo
• Jira
• PostgreSQL
• Oracle

About the project

API Integration Developer will design, implement and maintain integration services and APIs for a project that transforms the digital business domain. The role involves delivering integrations between systems within a microservices architecture, applying CI/CD automation, operating in Kubernetes environments, and ensuring quality, security and performance of services.

Your responsibilities

• Design, implement, test and maintain integration flows and APIs in accordance with requirements and the Definition of Done.
• Participate actively in technical decision-making related to integration and API implementation, ensuring alignment with architectural standards.
• Ensure delivered solutions meet quality, security, availability and performance requirements; diagnose incidents and address root causes.
• Collaborate with architects, analysts, Product Owners and project teams to refine requirements and agree on solutions.
• Contribute to estimation, sprint planning and assessment of technical risks.
• Support team members with technical problem solving and share best practices.
• Regularly participate in code reviews and help evolve coding standards and automation in software delivery.

Our requirements

• 4+ years of commercial experience developing applications in Java, including practical work with Java 21+ and Spring Boot; experience with Spring Cloud and Hibernate is a plus.
• Proven experience designing and implementing inter-system integrations and APIs using REST, JSON, OpenAPI, OAuth 2.0 and JWT; familiarity with SOAP and XML.
• Experience building asynchronous integrations using Apache Kafka, RabbitMQ or other message brokers.
• Experience with API Management platforms for publishing and securing APIs.
• Experience developing solutions in a microservices architecture and deploying them to Kubernetes.
• Familiarity with CI/CD processes and tools, particularly Bamboo or Jenkins, and with Git/Bitbucket; practical experience automating deployments and working with Jira.
• Experience writing unit tests and using Java testing frameworks.
• Experience working with PostgreSQL or Oracle databases, including creating and optimizing SQL queries.
• Demonstrated ability to work independently in projects, resolve technical problems and make technical decisions.

What we offer

• Hybrid model from Warsaw: 3 working days from Warsaw office (Wola), 2 days remote
• Professional development opportunities.
• Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.
• Agile approach and no bureaucracy.
• Activities to support your well-being and health.
• Luxmed Gold Extended medical care and Multisport Plus benefit.

This is how we work on a project

• Continuous Deployment
• Continuous Integration

Benefits

• sharing the costs of sports activities
• private medical care
• remote work opportunities

Recruitment stages

• Screening Call
• Cultural Fit Interview
• Technical Interview
• 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