Murex Integration Developer

EY; Katowice; Hybrid; PLN 200,000 - 320,000; Full time

Benefits offered by this job

Hybrid work model

Katowice office

Job summary

EY GDS Poland seeks a skilled Murex MX.3 integration engineer to design, build, and maintain connections between Murex and external systems using MxML, OpenConnect, and REST APIs. You will handle data integrations across trading workflows and collaborate with stakeholders to ensure reliable data flows.

The role emphasizes working on enterprise-grade integration solutions, gaining deep Murex expertise, and contributing to operational efficiency while adapting to a hybrid work model (2 days in

Qualifications

• 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.

Responsibilities

• Design and develop integration solutions using MxML, OpenConnect, and APIs between Murex and external systems.
• Manage trade, market, and reference data integrations and support contract workflows.
• Troubleshoot and support production environments; collaborate with stakeholders.

Skills

Murex MX.3

MxML

OpenConnect

Java

REST APIs

Tools

Unix/Linux

MQ

Kafka

Job description

Location: Katowice - 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.

What we offer

EY Global Delivery Services (GDS) is a dynamic and truly global delivery network. We work across nine locations – Argentina, Hungary, India, the Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom – and with teams from all EY service lines, geographies and sectors, playing a vital role in the delivery of the EY growth strategy. From accountants to coders to advisory consultants, we offer a wide variety of fulfilling career opportunities that span all business disciplines. In GDS, you will collaborate with EY teams on exciting projects and work with well‑known brands from across the globe. We’ll introduce you to an ever‑expanding ecosystem of people, learning, skills and insights that will stay with you throughout your career.

• Continuous learning: You’ll develop the mindset and skills to navigate whatever comes next.
• Success as defined by you: We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
• Transformative leadership: We’ll give you the insights, coaching and confidence to be the leader the world needs.
• Diverse and inclusive culture:You’ll be embraced for who you are and empowered to use your voice to help others find theirs.

About EY

EY | Building a better working world

EY exists to build a better working world, helping to create long‑term value for clients, people and society and build trust in the capital markets.

Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.

Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.

The exceptional EY experience. It’s yours to build.

In compliance with the requirements of the Whistleblower Protection Act, our company has established the Procedure for reporting breaches of law and undertaking appropriate follow‑up actions. Any misconduct should be reported through the EY Ethics Hotline.

EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients.