Integration Developer
Posted 27 Sep 2026
Advertised as “Murex Integration Developer”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 4–5 yrs
- Management level
- Individual contributor
- Employment
- Hybrid
No salary listed for this role.
Murex Integration Developer
Location: Katowice / Wrocław - 2 days office / 3 days remote
Let us introduce you the job offer by EY GDS Poland – a member of the global integrated service delivery center network by EY.
This role focuses on designing, building, and maintaining integration solutions within the Murex MX.3 platform. You will be responsible for connecting Murex with external systems using MxML, OpenConnect (Java), and REST APIs, ensuring seamless data exchange across front-to-back trading workflows.
The opportunity
This is an opportunity to work on complex, enterprise-grade integration solutions within a leading trading platform. You will gain deep expertise in Murex architecture, integration frameworks, and real-time data flows across financial systems. By enabling reliable and scalable integrations, you will play a key role in improving operational efficiency, data accuracy, and decision-making—supporting the broader goal of building a better working world.
Your key responsibilities
You will design and develop integration solutions using MxML, OpenConnect, and APIs, ensuring reliable data flows between Murex and external systems. You will manage trade, market, and reference data integrations, support contract workflows and pre-trade rules, and collaborate with stakeholders while troubleshooting and supporting production environments.
Skills and attributes for success
Success in this role requires strong technical expertise in integrations, combined with a solid understanding of trading systems and the ability to solve complex data flow challenges.
To qualify for the role, you must have
- 4–5+ years of experience with Murex MX.3
- Strong hands-on experience with MxML and integration frameworks
- Proficiency in Java and OpenConnect
- Experience designing and implementing REST APIs / web services
Ideally, you’ll also have
- Experience with Unix/Linux and scripting
- Familiarity with middleware technologies (e.g., MQ, Kafka) or CI/CD
- Knowledge of financial products and trade lifecycle
What we look for
We are looking for engineers who thrive on solving complex integration challenges and enjoy working in fast-paced, dynamic environments. The ideal candidate combines deep technical expertise with a proactive, ownership-driven mindset and the ability to collaborate effectively across teams. If you enjoy building scalable, high-impact solutions, this role is for you.