technology. The ideal candidate will possess: Financial Markets Expertise: Demonstrated prior software development experience within financial markets, preferably with exposure to electronic trading systems or low-latency environments. Core Java Proficiency: Expertise in Core Java development (version 1.8 or higher), with a deep understanding of its ecosystem, best practices, and performance characteristics. Advanced Data Structures & Concurrency: Excellent command More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
london (city of london), south east england, united kingdom
Vallum Associates
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
environment. This role sits within a front-office aligned technology team responsible for delivering high-performance trading solutions across the rates business. Responsibilities: Design and implement low-latency, multithreaded Java applications for electronic rates trading Develop and optimise execution algorithms, smart order routers, and pricing engines Profile and tune Java applications for garbage collection efficiency, lock contention, and More ❯
environment. This role sits within a front-office aligned technology team responsible for delivering high-performance trading solutions across the rates business. Responsibilities: Design and implement low-latency, multithreaded Java applications for electronic rates trading Develop and optimise execution algorithms, smart order routers, and pricing engines Profile and tune Java applications for garbage collection efficiency, lock contention, and More ❯
london (city of london), south east england, united kingdom
Selby Jennings
environment. This role sits within a front-office aligned technology team responsible for delivering high-performance trading solutions across the rates business. Responsibilities: Design and implement low-latency, multithreaded Java applications for electronic rates trading Develop and optimise execution algorithms, smart order routers, and pricing engines Profile and tune Java applications for garbage collection efficiency, lock contention, and More ❯
Job Description Our client, a mission-led consultancy , is looking for an experienced Principal Software Engineer (Java) to join their growing team. They deliver secure, modern software solutions to the UK Government and Defence sectors, enabling clients to build scalable systems and progressive web applications that drive real impact. This is a senior-level opportunity for a hands-on … in agile environments , and is passionate about shaping engineering best practice while still contributing to the codebase. Key Responsibilities Lead the design, development, and testingof secure, scalable systems using Java with modern front-end frameworks (e.g., React) Architect and maintainAPIs, data pipelines, and cloud-native solutions(AWS, Azure, private cloud) Drive adoption ofDevOps practices CI/CD, containers, infrastructure … with stakeholders and clients toshape technical directionand ensure robust, user-focused solutions Contribute across thefull software development lifecycle, from discovery to production support Essential Skills & Experience Deep expertise in Java, with strong full-stack engineering skills Proven experienceleading teams or projectsat a senior/principal level Strong knowledge ofsystem architecture, cloud solutions, and API design Familiarity withDevOps tools and More ❯
Greetings, We are Hiring Java API- RESTful Web Services - Backend Developer in UK, Bristol only 3 days/week mandatory About the team Our team isaccountable for security within the mobile channel. Weprovide a suite of mobile security components,that provides an all-round security posture in mobile appsincluding associated services (penetration testing, obfuscation, consultancy etc.). Our … coding practices, code management, agile development practices and continuous delivery Understand how to performance optimise and fine tune backend applications to meet demanding NFRs Desirable knowledge & experience Experience of JAVA development Experience with cryptography frameworks in go and JAVA Experience with SQL databases Experience and/or Interest in application security and/or mobile app security. Experience More ❯
and develop the core backend of the payment platform, including the API gateway, transaction management layer, and merchant services. Mentor & Guide: Act as a technical mentor to another backend developer, fostering a culture of high-quality engineering and collaborative growth. Own Security & Compliance: Take the lead on implementing robust security measures (e.g., AES-256 encryption, OAuth/JWT) and … You have 6+ years of experience in backend development, with a significant background in the FinTech or financial services sector. Your career likely started with a strong foundation in Java , building secure, enterprise-grade financial systems. You have since evolved your skills and are now an expert in modern backend technologies, with deep professional experience in Node.js and/ More ❯
to help solve their customers complex operational problems. As the business continues to grow the company are interested in speaking with experienced Full Stack Software Engineers with expertise in Java to join a live project. You will be designated an office base, however the company work in a hybrid fashion so you can choose how often you work from … and software lifecycle and maintenance The Fit: At present we are interested in speaking to Full Stack Engineers with commercial experience using a range of languages/technologies including Java & AWS. Due to the industries we work in, we require all our team to be able to obtain security clearance. To qualify for this, you must be a British More ❯
to help solve their customers complex operational problems. As the business continues to grow the company are interested in speaking with experienced Full Stack Software Engineers with expertise in Java to join a live project. You will be designated an office base, however the company work in a hybrid fashion so you can choose how often you work from … and software lifecycle and maintenance The Fit: At present we are interested in speaking to Full Stack Engineers with commercial experience using a range of languages/technologies including Java & AWS. Due to the industries we work in, we require all our team to be able to obtain security clearance. To qualify for this, you must be a British More ❯
