Java Engineer

Railz

Railz

Software Engineering
Belgrade, Serbia · Serbia
Posted on Dec 13, 2025

Position Type :

Full time

Type Of Hire :

Experienced (relevant combo of work and education)

Education Desired :

Bachelor of Computer Engineering

At FIS, our technology and our people are moving forward. We advance the way the world pays, banks and invests. We believe in building inclusive, diverse teams. Together, we innovate to help our colleagues, clients and communities succeed. If you’re ready to grow your career and make an impact in fintech, we have one question: Are you FIS?

About the team:

You would be a part of the team developing a real-time system for processing of foreign exchange products, including support for a customer dealing portal, interfacing to third party platforms/systems, trade capture, position/risk management, confirmation/settlement, and accounting. The system has web-based user interface and a rich technology stack.

What you will be doing:

  • Develop new product functionality and maintain the existing product architecture.

  • Practice good coding techniques (reusability of code, code optimized for performance, etc.)

  • Resolve programming problems / answer questions.

  • Maintain current knowledge of software development practices.

  • Participate in code reviews of own and other’s work.

  • Document low-level designs based on high-level design documents.

  • Participate in low-level design reviews.

  • Work with QA engineers and business analysts.

  • Production support.

What you will need:

  • 2+ years of experience in Java SE / J2EE.

  • Experience in client / server development.

  • Knowledge of service-oriented architecture and design.

  • Good knowledge of object-oriented fundamentals and design patterns.

  • Good knowledge of relational database concepts and SQL.

  • Good English language skills.

Added bonus if you have:

  • Knowledge of C/C++.

  • Knowledge of JavaScript, jQuery, CSS, JSP, Angular and servlets.

  • Knowledge of capital markets, financial software and trading-related processes.

  • Experience with Scrum or other agile software development methodologies.

What we offer you:

  • A work environment built on collaboration, flexibility and respect

  • Competitive salary and attractive range of benefits designed to help support your lifestyle and wellbeing (including private healthcare, 27 days of vacation, work from home – 2 days a week, etc.)

  • Varied and challenging work to help you grow your technical skillset

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

#pridepass