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Komodo Consulting

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Java Backend Developer

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Summary

Java Backend Developer building scalable Java microservices for Checkout, MyAccount, and ODR Processing on a client project, owning the full feature lifecycle from architecture to deployment. Core stack: Java, React, REST/GraphQL APIs, Keycloak/Okta IAM, and event-driven messaging with AWS SQS and Solace; hybrid role based in Lisbon.

About Us

Komodo Consulting is a technology and strategy firm specializing in Digital Transformation. Operating in Portugal and Poland, we provide IT Consulting & Nearshore services. We support both public and private sector organizations through two main areas:

  • Consulting — with a focus on strategy, investment analysis, and digital process improvement;
  • IT Team Augmentation — helping clients scale and strengthen their tech teams.

The Project

We are seeking a Java Backend Developer to work on a Technology project.

You will have the following responsibilities:

  • Design and implement scalable Java microservices for Checkout, MyAccount, and ODR Processing features;
  • Own the full feature lifecycle, including architecture discussion, implementation, testing, code review, and deployment;
  • Integrate and configure Keycloak and Okta IAM flows, including OIDC, RBAC, and token customization;
  • Build and maintain RESTful and GraphQL APIs with full OpenAPI documentation;
  • Implement event-driven patterns using AWS SQS and Solace messaging;
  • Enforce quality standards through SonarQube, Snyk, and code review practices;
  • Mentor junior engineers and contribute to knowledge transfer within the squad;
  • Participate in architectural decisions and contribute to the client's engineering standards.

You need to have the following skills/experience:

  • 4+ years of experience as a Java Backend Developer;
  • Strong proficiency in Java and React;
  • Experience with microservices architecture and RESTful and GraphQL API development;
  • Hands-on experience with Keycloak and/or Okta IAM flows, including OIDC and RBAC;
  • Experience with event-driven architectures using AWS SQS and/or Solace messaging;
  • Familiarity with code quality tools such as SonarQube and Snyk;
  • C1 level proficiency in both English and Portuguese;
  • Must be based in Portugal.

Location

Lisbon (Hybrid - 3 days per week at the office).

Skills

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See also

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