Senior Web/Mobile Developer - Java & L3 Support Lisboa

Senior Web/Mobile Developer - Java & L3 Support
Lisboa
Lisboa, Lisboa, Portugal

Founded in 2005, Mo
Ongy is a leading group in Engineering and Information Technology across Europe and North Africa. With a presence in 14 countries, over 40 subsidiaries, and more than 9, 500 talents, we are driven by a passion for innovation and excellence. At Mo
Ongy, we prioritize international mobility and provide opportunities to work on
- edge technologies, making a real impact in various industries.

Position: Senior Web/Mobile Developer – Java & L3 Support

Location: Lisbon (Hybrid)

Type: Fulltime, Hybrid from Lisbon (2-3 days onsite per week)

Languages: English (C1+ level); French (B1+) is a plus

Candidates must possess a valid work permit for Portugal

Position Overview:

We are seeking a Senior Web/Mobile Developer to provide Level 3 application support and develop backend enhancements for a critical financial platform

This is a key role combining both technical development and incident resolution, ideal for a
- on developer with strong Java and SQL expertise, and a solid understanding of complex financial systems.

Required Skills:

Java: Expert-level (minimum 4 years)

SQL: Advanced (minimum 4 years)

Apache Spark: Minimum 1 year of
- on experience

L3 Development/Application Support: Minimum 1 year of experience

Excellent command of English (C1+ level)

Availability for a hybrid working model, based in Lisbon

Candidates must possess a valid work permit for Portugal

Nice to Have:

Experience in banking or financial environments

Knowledge of ITIL practices

French language skills (B1+)

Responsibilities:

Provide Level 3 support: analyze, troubleshoot, and resolve complex incidents in production

Contribute to evolution and optimization of backend components in Java

Collaborate with infrastructure, development, and operations teams

Write and maintain
- quality SQL queries and scripts

Ensure performance, stability, and availability of the ECMS application

Document technical solutions and participate in knowledge transfer

Support Agile delivery cycles and contribute to continuous improvement

Advantages of Joining Mo
Ongy:

International Mobility: Access to personalized relocation programs for new opportunities across Europe.

Career Development: Opportunities to work on diverse projects with
- edge technologies in various sectors.

Continuous Learning: Ongoing free training, certifications, and professional development.

Personal Growth: Collaborate with a global network of professionals to exchange ideas, foster creativity, and drive innovation in IT.

Diversity & Inclusion: We believe in equality and value diversity, creating a safe, inclusive environment for everyone.

@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!