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Senior Java Engineer - Electronic Trading Platform - eFX
Reasunta Technology s. r. o.Czechiafull_timeVerifiedPosted 8 Jun 2025
About the role
<p><strong>Job brief:</strong></p>
<p>Reasunta is growing to boost the E-Fixed and eFX capabilities for implementing low latency, high performance and real-time electronic trading systems. This could involve building bespoke pricing and trading platforms, as well as distribution of market data to external clients. Therefore, we seek a Senior Java Developer.</p>
<p><strong>Summary</strong></p>
<p>The Java Developer will join our Banking & Trading team and start working on our client's eFI TransFicc project to help us adopt new connectivity while optimizing our e-trading platform performance.</p>
<p> </p>
<p>The candidate must have a proven track record of working in a highly dynamic environment with demanding clients and challenging deadlines. The successful candidate will gain excellent exposure to these business areas as well as an opportunity to work in a technically challenging, delivery focused environment.</p>
<p>While maintenance of the client's existing platform and interaction with the various eFI teams is a key part of the role, there is also an opportunity to shape the future of the platform through projects and ongoing business requirements.</p>
<p><strong>Main skills:</strong></p>
<ul>
<li><strong>Extensive experience with electronic trading</strong></li><li><strong></strong><strong>Low latency programming experience</strong></li><li>FI RFQ workflows integrated in larger trading workflow (pricing/algo/STP)</li><li>Java, Object Oriented Design</li><li>Test Driven Development</li><li>Domain Driven Design</li><li>Linux systems</li><li>TCP, UDP, Ethernet, HTTP</li><li>Experience of the following:<ul><li>Electronic Trading</li><li>Infrastructure as code (we use AWS and Ansible)</li><li>Building fault tolerant, performance critical system</li><li>Profiling and performance monitoring</li><li>Ability to multi-task and work under pressure</li><li>Analytical / Logical mindset</li></ul></li></ul>
<ul><li>Take ownership, help specify and deliver large scale projects and work under own initiative.</li><li>Detailed knowledge of Core Java and implementations using low latency related design approaches (does not need to be banking)</li><li>Minimum 5/8 years of experience developing multi-threaded / concurrency applications, including code analysis and performance tuning / profiling of real-time, high-volume, low-latency systems</li><li>Deep understanding of FX or E- Fixed income Business and trading practices.</li><li>Capacity to take complex issues and explain them clearly and concisely to a wide audience.</li><li>Excellent communicator, able to work effectively with senior traders and other developers.</li><li>Understanding of eTrading generically</li><li>8 years minimum experience working with trading systems, at least 5 years E-commerce specific.</li><li>Understanding of workflows, key controls and related operational risk exposure. </li></ul>
<p><strong>Nice to have</strong><strong> knowledge</strong><strong>:</strong></p>
<ul>
<li>Agile Development Practices (TDD, BDD, Automated Builds, Continuous Integration) / Scrum Methodologies</li></ul>
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