SENIOR UI/FULL STACK JAVA DEVELOPER

SENIOR UI/FULL STACK JAVA DEVELOPER

About the Role

We are looking for a Senior UI / Full Stack Java Developer to join our Application Development team within the Technology Department in Luxembourg.

We are a boutique business offering comprehensive asset servicing capabilities across both traditional and alternative funds . Our unique positioning has supported significant business growth, creating an exciting opportunity to join and strengthen an already high-performing technology team.

The successful candidate will play a key role in the development and modernisation of our applications, with a particular focus on building a new user interface for an existing application .

This is a senior and hands-on development role, requiring the ability to understand and analyse an existing system, design and develop a modern UI, and work closely with back-end developers, business analysts, testers and business users to deliver high-quality solutions.

The role will have an approximate 60% front-end / 40% back-end focus.

Key Responsibilities

As a Senior UI / Full Stack Java Developer , you will be responsible for:

• Designing and developing a new modern front-end interface for an existing application.
  

• Analysing the existing application architecture, functionality and technical landscape to identify appropriate solutions and opportunities for improvement.
  

• Developing and maintaining front-end components and user interfaces , with a strong focus on usability, performance and maintainability.
  

• Developing and maintaining back-end services and application components in Java .
  

• Working with React, Python and Java to deliver robust and scalable application solutions.
  

• Collaborating closely with back-end developers to ensure effective integration between the UI and underlying services.
  

• Working with business analysts, testers, business users and management to understand requirements and ensure successful delivery of projects and change initiatives.
  

• Enhance, update and maintain existing applications in line with business and technology requirements.
  

• Perform and support application testing , ensuring that changes meet the required functional and technical standards.
  

• Provide 3rd-level support for software and applications developed by the team.
  

• Participate in code management, version control, change management and release management processes.
  

• Contribute to technical design decisions and promote appropriate development standards and best practices.
  

• Identify opportunities to improve application quality, performance, maintainability and user experience.
  

• Contribute to the continuous improvement of development processes, tools and practices.
  

• Stay informed about emerging technologies and identify opportunities to leverage AI capabilities where relevant.
  

Technology Environment

The role will primarily involve:

Front End

• React
  

• Modern UI development
  

• Python
  

Back End

• Java
  

• SQL
  

• Oracle
  

Development & Delivery

• Azure DevOps
  

• Code management and version control
  

• Change and release management
  

• Application testing and support
  

Candidate Profile & Requirements

The successful candidate will ideally bring:

• Significant professional experience as a Full Stack Java Developer , with strong expertise in both front-end and back-end development.
  

• Strong proficiency in Java, Python and SQL , preferably with experience working with Oracle databases .
  

• Proven experience designing, developing and maintaining modern user interfaces , ideally using React.
  

• Experience analysing and working with existing applications and legacy systems , with the ability to understand existing architecture and design appropriate modernisation solutions.
  

• Strong understanding of front-end/back-end integration and full-stack application development.
  

• Proven experience with code management and version control practices .
  

• Practical experience with IT delivery processes, including change management and release management .
  

• Experience working in an Agile or structured software development environment would be advantageous.
  

• Strong analytical and problem-solving skills, with the ability to translate business requirements into effective technical solutions.
  

• Excellent communication and collaboration skills, with the ability to work effectively with developers, analysts, testers, business users and management.
  

• Excellent written and verbal English communication skills .
  

• French and/or German language skills would be an added advantage.
  

• Basic understanding of Fund Administration and/or Transfer Agency processes would be advantageous.
  

• Basic knowledge or practical exposure to Artificial Intelligence and AI-enabled development tools would be an advantage.
  

Key Competencies

We are looking for an individual who demonstrates:

• Strong technical expertise and hands-on development skills
  

• Senior-level ownership and autonomy
  

• Strong analytical and problem-solving capabilities
  

• Ability to understand complex existing systems and design pragmatic solutions
  

• Strong focus on user experience and application quality
  

• Excellent collaboration and stakeholder management skills
  

• Ability to work effectively across front-end and back-end development teams
  

• Structured and disciplined approach to software development and delivery
  

• Strong attention to detail
  

• Continuous improvement mindset
  

• Curiosity and willingness to adopt new technologies, including AI
  

What Success Looks Like

Success in this role will be demonstrated through the delivery of a modern, user-friendly and robust front-end experience , while ensuring seamless integration with the existing back-end architecture.

The successful candidate will combine strong technical expertise with the ability to understand the broader business and application context, acting as a key technical contributor between the existing system, the UI development and the back-end delivery teams .

This is an excellent opportunity for a senior developer who enjoys working on modernisation projects, complex applications and end-to-end technical solutions within a dynamic asset servicing environment.