Senior Java Full Stack Developer

Expleo; São Domingos de Benfica; Presencial; EUR 70 000 - 90 000; Tempo integral

Resumo da oferta

Expleo is seeking an experienced software architect/technical lead to drive the architecture and delivery of complex Full Stack features across the EXPOSE and SEARCH platforms.

You will own IAM and SSO strategy (Okta, OIDC), define React frontend standards, mentor engineers, and contribute to long-term technical roadmaps and runbooks.

This is a global, collaborative role offering exposure to multi-brand teams and modern security practices.

Qualificações

• Experience building full stack apps using Java and React.js.
• Deep knowledge of IAM, SSO, Okta, and OIDC.
• Proven track record in software architecture decisions.
• Experience mentoring engineers and leading teams.

Responsabilidades

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

Conhecimentos

Full Stack Java/React

IAM / SSO

Okta/OIDC

Tech leadership

Descrição da oferta de emprego

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.