> Markdown version of [/jobs/ext/2622645-principal-developer-fx-engineering](https://www.wearedevelopers.com/jobs/ext/2622645-principal-developer-fx-engineering). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Developer, FX Engineering - **Company:** LSEG (London Stock Exchange Group) - **Location:** United States - **Salary:** $147,500.0 - $245,900.0 - **Contract:** Internship / Graduate position - **Skills:** Testing (Software), Clean Code Principles, Java (Programming Language), Agile Methodology, Cloud Computing, Profiling, Data Structures, DevOps, Memory Management, Network Service, Network Protocols, NoSQL, Performance Tuning, Cloud Services, SQL Databases, Systems Architecture, Transmission Control Protocol (TCP), Low Latency - **Published:** August 28, 2026 - **Apply:** https://www.dice.com/job-detail/8d2f15fe-2d33-4828-a19e-460c9798236e ## About the Role * Strong Java programming skills and experience writing clean code * Data structures and Algorithms * Expertise in concurrency and performance optimization, * Deep understanding of system architecture and memory management. * Proficient in profiling tools * Experience with specialized libraries and frameworks for low-latency applications * Knowledge of network protocols (TCP, UDP, HTTP), network performance, and techniques for optimizing network communication. * Proven track record of delivering goals * Knowledge & Experience of modern agile development methodologies * Exposure to DevOps practices and automation of software testing, delivery, and infrastructure changes * Self-motivated and self-directed, able to work effectively in a globally distributed team, managing multiple priorities while collaborating with cross-functional teams * Proven ability to investigate complex issues spanning multiple technologies and drive to completion Desired Skills Experienced in cloud technologies Experience with SQL and NoSQL Strong passion for technology, a willingness to learn new skills Excellent communication (written and verbal) and interpersonal skills ## Description We are looking to hire a highly skilled and passionate low latency java engineer to help design, build, and operate large-scale trading platforms. The group is responsible for FX trading and related services. We value technical aptitude, innovative thinking, great learning and teamwork ability. Responsibilities Closely working with architects and other team members and groups to develop and build complex applications that meet the needs of FX engineering. Design, development and support of trading venue. Ongoing support and development of cloud services including working with Refinitiv product development groups to build cloud aware applications Develop automated processes to prevent, identify, and fix problems that impact service availability Identify and deliver improvements across a broad range of areas such as cost savings, security, ease of use, & reliability. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Profiling Symfony & PHP apps with Blackfire](https://www.wearedevelopers.com/videos/265-profiling-symfony-php-apps-with-blackfire) - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)