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Expleo

Senior Java Full Stack Developer

Expleo Lisbon, Portugal

IT Services and IT Consulting · 10,001+ employees

Yesterday
java Senior (5-10 yrs) Full-time Portugal
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About the role

Lead the architecture and implementation of complex full-stack features while owning the IAM and SSO strategy. Drive technical discussions, mentor junior engineers, and ensure high-quality code through automation and documentation.

What they look for

Java React.js Full Stack Development IAM Architecture SSO Okta OIDC Software Architecture Technical Leadership Mentoring SonarQube Snyk Authorization Server Design Access Control Performance Optimization

Requirements

Requires strong experience in full-stack development with Java and React.js, alongside deep knowledge of IAM architecture and Okta. Proven ability in software architecture and technical leadership is essential for this role.

Full description

Overview

Expleo is a trusted partner for your innovation journey. As a global engineering, technology and consulting service provider, we are ideally positioned to help you achieve your ambitions and future-proof your business. With a smart blend of bold thinking and reliable execution, we’re able to fast-track innovation through each step of your value chain.

We are strategically positioned to build value, with global footprint across 30 countries.We are as global and local as you need us to be, with strong best-in-class pan-European technological centres and unique best-shoring capabilities.

We leverage a network of high value-adding affiliates in consulting and industrial excellence, and leading partners across multiple sectors to provide you with the most comprehensive services and solutions in an ever-changing environment

Responsibilities

-Lead the architecture and implementation of complex Full Stack features across EXPOSE and SEARCH.-Own the IAM and SSO strategy, including Okta Authorization Server design, OIDC flow architecture, and access control.-Define frontend engineering standards for React.js, including authentication patterns, state management, and performance optimization.-Drive technical discussions with architects.-Produce Architecture Decision Records and contribute to long term technical roadmaps.-Identify and resolve performance, scalability and security issues across the full technology stack.-Lead code reviews and promote quality automation using SonarQube and Snyk.-Mentor junior and mid level engineers.-Produce comprehensive technical documentation, runbooks and onboarding materials.

Essential skills

-Strong experience in Full Stack development with Java and React.js.-Deep knowledge of IAM architecture, SSO, Okta, and OIDC.-Proven ability in software architecture and making technical decisions.-Technical leadership and mentoring experience.

Desired skills

-Previous experience as a Technical Lead or Software Architect.-Advanced knowledge of Okta Authorization Server design.-Experience with multi brand or multi tenant access control.-Previous experience working with international architecture teams.

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