Senior Web UI Developer

Senior Web UI Developer
Lisboa
Lisboa, Lisboa, Portugal

Founded in 2005, Mo
Ongy is an international group specialized in Engineering and IT, operating across Europe and North Africa.

With a presence in 14 countries, more than 40 entities, and 9, 500 talents, we continue to grow everyday thanks to one simple thing: people who are genuinely passionate about technology and innovation.

Senior Web UI Developer

Location: Lisbon, Portugal

Languages: English (B2-C1) - french is a plus

Work model: 4 days in the office

Recruitment Process:

• Initial Interview (~40 minutes)
• Two
  - depth interview sessions (~3 hours each)

Eligibility: Currently living in Portugal and be legally authorized to work there

We are looking for a Senior Web UI Developer for a client in the financial services industry. You will join an Agile Scrum team working on modern,
- critical web applications.

Your Profile

• Degree in Computer Science or a related field
• Senior experience with React, Type
  Script, and Tailwind
  CSS
• Strong Java
  Script (ES6+) knowledge and experience integrating REST APIs
• Focus on clean code, performance, and user experience
• Experience with Vite
  JS is a strong plus
• Knowledge of Java 21 / Spring Boot or Angular is a plus
• Familiarity with frontend testing, CI/CD, and accessibility best practices
• Agile mindset, strong
  - solving skills, and team spirit
• Fluent in English (Portuguese and/or French is a plus)

Technical Environment

• Languages & Frameworks: React, Type
  Script, Tailwind
  CSS
• Build & Tooling: Vite
  JS
• Integration: REST APIs
• Backend: Java 21 & Spring Boot
• Delivery & Agile Tools: Git
  Hub/Git
  Lab, CI/CD, Jira

What You Will Be Doing

• Develop and maintain modern web interfaces using React, Type
  Script, and Tailwind
  CSS
• Implement UI/UX designs with attention to detail and performance
• Collaborate daily with designers, developers, and product owners
• Participate in code reviews and continuous improvement initiatives
• Support backend development when needed

Why Join Us?

Innovation & Impact: Play a central role in driving the future through creative solutions

Challenging projects: Modern environments, real impact, zero boredom.

Continuous learning: Trainings, certifications, and structured career growth.

Team spirit: An international community where collaboration means something.

Diversity & inclusion: At Mo
Ongy, everyone belongs — no fine print.

@Mo
Ongy Group we stand for equality and value diversity. We create a safe, diverse environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, sexual orientation, gender, disability, or any factor other than merit. All applications with skills needed for the position are welcome!