Senior Java Full Stack Developer

Expleo Group; Lisboa; Presencial; EUR 70 000 - 110 000; Tempo integral

Resumo da oferta

Expleo Group in Lisbon seeks a senior software architect to lead full stack development across EXPOSE and SEARCH, shaping architecture and coding standards. You will own IAM/SSO strategy, Okta design, OIDC flows, and access control.

You will mentor engineers, drive performance, security, and scalability improvements, produce ADRs, and contribute to long-term roadmaps, collaborating with international teams.

Qualificações

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

Responsabilidades

• Lead 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.

Conhecimentos

Full Stack

Java

React.js

IAM architecture

SSO

Okta

OIDC

Technical leadership

Mentoring

Descrição da oferta de emprego

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.