Java Full Stack – Senior
Genesis Digital Solutions Lisbon, Portugal
Software Development · 51-200 employees
Applying here? Try the free cover letter tool — paste this posting and your résumé, no account needed.
About the role
Lead the architecture and implementation of complex full-stack features for EXPOSE and SEARCH products while owning the IAM/SSO strategy. Drive technical decisions, mentor junior engineers, and ensure the scalability, performance, and security of delivered solutions.
What they look for
Requirements
Requires at least 10 years of professional software development experience with strong expertise in Java and React.js. Candidates must have in-depth knowledge of IAM/SSO, specifically Okta, and proven experience in architectural leadership and technical documentation.
Benefits
Full description
Meet Genesis
Genesis Digital Solutions is a consulting and technology company that helps organizations turn ideas into measurable business impact through digital expertise and AI innovation. Founded in 2018, we operate across Portugal and the United Arab Emirates, supporting clients in multiple industries with intelligent, scalable, and secure solutions. We combine strategy, engineering, and emerging technologies such as AI, Data, Web3, and Digital Product Development to drive transformation end to end. Our focus is on building practical, human-centered solutions and long-term partnerships that enable sustainable growth, innovation, and real-world results.
Your Next Challenge
We are looking for a Senior Java Fullstack Developer with at least 10 years of professional experience to lead the architecture and implementation of complex full-stack solutions across EXPOSE and SEARCH products. You will take ownership of the IAM/SSO strategy, define front-end engineering standards, and drive key technical decisions in close collaboration with the client's architects. This role also involves mentoring engineers, promoting engineering excellence, and ensuring the scalability, performance, and security of the solutions delivered.
What You’ll Work On
- Lead the architecture and implementation of
complex full-stack features across EXPOSE and SEARCH.
- Own the
IAM/SSO strategy, including Okta authorization server design, OIDC flow architecture, and per-Maison access control.
- Define
and promote front-end engineering standards for React.js, covering authentication patterns, state management, and performance.
- Lead
technical discussions with the client's architects, produce Architecture Decision Records (ADRs), and contribute to long-term technical roadmaps.
- Identify
and resolve performance, scalability, and security challenges across the technology stack.
- Lead code
reviews and champion engineering quality through tools and practices such as SonarQube, Snyk, and automated quality checks.
- Mentor
Confirmed and Junior engineers, supporting their technical development and knowledge sharing.
- Produce
comprehensive technical documentation, runbooks, and onboarding materials.
What You’re Looking For
- At least
10 years of professional experience in software development, with strong Java Fullstack expertise.
- Extensive
experience designing and implementing complex full-stack applications.
- Strong
backend development skills with Java.
- Solid
experience with React.js and front-end engineering practices.
- In-depth
knowledge of Identity and Access Management (IAM) and Single Sign-On (SSO) solutions.
- Hands-on
experience with Okta, including authorization server design and OIDC flows.
- Knowledge
of access control models and authorization strategies, including per-Maison access control.
- Experience with state management, authentication patterns, and front-end
performance optimization.
- Proven
ability to lead architectural discussions and document technical decisions through ADRs.
- Strong
understanding of application performance, scalability, and security.
- Experience with code reviews and quality automation tools such as SonarQube and
Snyk.
- Previous
experience mentoring developers and driving technical standards.
- Excellent
communication skills and the ability to collaborate with client architects and multidisciplinary teams.
Bonus Points
- Experience working on complex enterprise platforms such as EXPOSE and SEARCH.
- Experience contributing to long-term technical roadmaps and engineering
strategies.
- Strong
technical documentation skills, particularly in producing runbooks and onboarding materials.
Why You’ll Stay
- A
workplace that values innovation and personal growth.
- Opportunities to work on high-impact projects for leading clients.
- Flexible
hours and hybrid work options.
- Support
for professional development, including training and certifications.
- Health
and life insurance.
- 25 days
of annual leave.
Similar roles
-
Senior Software Developer Java (m/w/d)
Sopra Steria Hanover, Lower Saxony, Germany
-
Senior Associate Software Engineer- Fullstack Java
JPMorgan Chase & Co. Glasgow, Scotland, United Kingdom
-
ARCHITECTE / TECH LEAD JAVA (F/H)
Conserto Saint-Herblain, Pays de la Loire, France · €50K–€65K/yr
-
Full-Stack Java Developer - Java 17 or Higher - (Independents profiles only W2)
Syncreon Consulting Lake Mary, Florida, United States
-
Principal Java Engineer - Distributed Systems, Serverless - Elasticsearch
Elastic Poland · PLN 369K–PLN 584K/yr
-
Senior Software Engineer - Java Full Stack
Hilton Memphis, Tennessee, United States · $85K–$120K/yr