Java Developer

Scalo

Warsaw, Poland • 14m ago • On-site

Senior

On-site

228,800 - 249,600 PLN/yr

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Quick Facts

  • Role: Java Developer

  • Focus: Integration flows and APIs

Description

Design, implement, test, and maintain integration flows and APIs for an insurance-sector project. Make technical decisions for how integrations and APIs are implemented, and develop integration application/services using Java 21+ and Spring Boot. Build synchronous and asynchronous integrations using REST and SOAP, ensure quality/security/availability/performance, and troubleshoot issues.

Responsibilities

  • Design, implement, test, and maintain integration flows and APIs

  • Decide on technical approach for integrations and APIs

  • Develop integration applications and services (Java 21+ / Spring Boot)

  • Build synchronous/asynchronous integrations using REST and SOAP

  • Ensure quality, security, availability, and performance of services

  • Diagnose problems and eliminate root causes

  • Work with CI/CD processes and deployment automation on Kubernetes

  • Participate in estimation, planning, technical risk analysis, and code reviews

  • Maintain code quality standards and automate software delivery

Requirements

  • Minimum 4 years of commercial experience building Java applications

  • Practical knowledge of Java 21+ and Spring Boot

  • Experience designing and implementing inter-system integrations and APIs (REST, JSON, OpenAPI, OAuth 2.0, JWT, SOAP, XML)

  • Experience building asynchronous integrations with Apache Kafka or RabbitMQ

  • Experience with API Management platforms (publish and secure APIs)

  • Experience developing microservices and deploying them on Kubernetes

  • Practical knowledge of CI/CD processes (Bamboo or Jenkins)

  • Experience with Git/Bitbucket and deployment automation

  • Ability to create unit tests using testing frameworks

  • Experience with PostgreSQL or Oracle databases

Benefits

  • Opportunity to work across diverse Software, Embedded, Data, and Cloud Services projects

  • Involvement in additional pre-sales and expert initiatives

  • Medical care, sports card, and cafeteria platform according to current collaboration rules

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PLN 228,800 – PLN 249,600/year

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