improvement. Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon now has a global presence of 15 offices (and 10 delivery centers) across four continents.We enable Skill Set Java (11) Junit 5 React React Testing Library (Frontend Unit testing) Cypress (Frontend E2E Testing) Spring Boot (Microservice Architecture) Sybase Mongo DB Kubernatis Understanding on Cloud infra (Snowflake) Roles & Responsibilities More ❯
I am recruiting for a number of Senior Java Developers to work in Leeds 3 days a week, 2 days remote. The role falls inside IR35 so you will be required to work through an umbrella company. I am searching for outstanding skills and someone who must be ready to quickly get to work within an Agile, multidisciplinary team … you will be an integral part of that team in designing, creating and improving new and existing products, platforms and transactions across government. Candidates must have recent experience with Java 21 (or later). An excellent understanding of TDD and BDD and large microservice architectures is essential. You will have experience of working in an Agile environment and be More ❯
Job Description Developer (PHP/Java) London 6-12 months Outside IR35 Specialist will be part of a Public Protection Directorate Project team working on Reporting services, making use of existing tech stack like PHP, Symfony framework, PostgreSQL. Specialist will be required to work with multiple development, support teams and existing vendor to understand legacy and new data … demonstrable experience of successfully delivering digital solutions that collect and manage personal and/or sensitive information with appropriate controls and protection Have demonstrable hands-on experience of PHP, Java, web application development, Micro services, PostgreSql, Git, Jenkins, Bash Scripting and Linux Experience in working Agile methodologies, TDD (Test Driven Development) and (CI & CD) Continuous Integration and Continuous Delivery … experience of successfully and collaboratively working, coaching and sharing knowledge with Public Sector client teams, particularly those with limited agile development experience. Have demonstrable hands-on experience in PHP, Java, Unit tests. Have existing, valid SC Clearance More ❯
and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. DETAILED RESPONSIBILITIES- 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure adherence to best coding … Stay updated with the latest industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with More ❯
and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. DETAILED RESPONSIBILITIES- 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure adherence to best coding … Stay updated with the latest industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with More ❯
re listed on the London Stock Exchange and operate in 13 countries — and our success is powered by exceptional people. We’re now looking for a talented team-oriented developer who thrives in a collaborative environment, enjoys solving complex technical challenges, and wants to make an impact in a fast-paced, global setting. Join our Pricing & Risk team , working … in coding standards, code reviews, and release management. Respond to real-time trading issues in a fast-paced environment, ensuring minimal business disruption. Key Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Solytics Partners
venues (e.g., Tradeweb, Bloomberg, MTS, BrokerTec, MarketAxess). Configure and support FIX, streaming, and venue-specific protocols, ensuring accurate and reliable messaging. Develop high-performance, scalable services using Core Java (8/11/17) . Build and enhance components for pricing, order routing, and execution workflows. Apply low-latency, event-driven, and asynchronous design patterns to improve throughput … Conduct latency tuning, load testing, and system optimization. Collaborate with SRE/DevOps teams to improve observability, CI/CD, and deployment pipelines. Key Requirements: Strong expertise in Core Java, including concurrency, memory management, and GC tuning. Hands-on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with electronic market protocols: FIX (4.x/5.x) Market-specific More ❯
venues (e.g., Tradeweb, Bloomberg, MTS, BrokerTec, MarketAxess). Configure and support FIX, streaming, and venue-specific protocols, ensuring accurate and reliable messaging. Develop high-performance, scalable services using Core Java (8/11/17) . Build and enhance components for pricing, order routing, and execution workflows. Apply low-latency, event-driven, and asynchronous design patterns to improve throughput … Conduct latency tuning, load testing, and system optimization. Collaborate with SRE/DevOps teams to improve observability, CI/CD, and deployment pipelines. Key Requirements: Strong expertise in Core Java, including concurrency, memory management, and GC tuning. Hands-on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with electronic market protocols: FIX (4.x/5.x) Market-specific More ❯
motion, and the company is scaling toward 350400 employees. They're building well-structured, high-performing teams to deliver on a clear, strategic roadmap over the coming years. Senior Java Developers 2 positions available Were looking for two experienced Java developers to play a key role in delivering long-term projects and supporting the growth of the wider More ❯
Duration of assignment: 1 year (potential prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge More ❯
Duration of assignment: 1 year (potential prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge More ❯
Wokingham, Berkshire, South East, United Kingdom Hybrid/Remote Options
Halian Technology Limited
well-structured, high-performing teams to deliver on a clear, strategic roadmap over the coming years. What youll be working on: Mostly automation-focused development using a solid stack: Java, JavaScript, SQL , and AWS . Youll also be working with TDD , JUnit , and other testing tools as part of the workflow. The details: Hybrid working (23 days in the … bonus Initial focus: 12 years dedicated to automation, with opportunities to move into other areas of the business as you grow This is ideal for someone with some commercial Java experience who wants to deepen their skills while contributing to meaningful, long-term projects. Apply now below More ❯
the stack. You’ll be building robust APIs, structuring databases, and working on applications that power solicitor workflows and CRM platforms. What you’ll do Design, develop, and maintain Java/Spring-based backend systems. Architect and formally structure efficient, scalable databases. Build APIs and integrations to power responsive web applications. Work closely with front-end developers to deliver … maintain, and improve existing applications. Contribute to overall architecture, with one senior position acting as No.2 to the Head of Engineering. What we’re looking for Strong experience with Java and Spring framework. Solid understanding of relational database design and structure. Knowledge of modern software architecture patterns and best practices. Experience in full stack development (bonus: React or other More ❯
at the intersection of technology and financial markets, collaborating with experts across the region to deliver impactful solutions. Key skills required for this role include: Advanced experience in Core Java – Hands-on expertise in multithreaded programming and zero garbage collection (GC) principles. Proven track record in building distributed systems, specifically for trading or risk management applications. Deep understanding of 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 ❯
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: We’re looking for a hands-on Senior Software Developer/Technical Lead with strong expertise in Java and Spring frameworks to design, develop, and deliver end-to-end software solutions. Operates effectively with minimal supervision, receiving general direction from team leads or senior developers. Responsible for designing, developing, enhancing, debugging, supporting, maintaining, and testing complex … them into technical solutions, and drive implementation with minimal supervision. Key Responsibilities: Work with Product Owners to understand requirements and design efficient technical solutions. Develop, enhance, debug, and maintain Java/Spring-based web applications. Create and integrate RESTful APIs using XML/JSON formats. Write and optimize SQL/PLSQL queries for backend systems. Ensure high-quality code … Agile teams and contribute to continuous improvement and DevOps practices. Deploy and support applications on WebSphere, Apache, or Tomcat servers. Required Skills: 9+ years of hands-on experience with Java, Spring Boot, REST APIs, XML/JSON, and SQL/PLSQL. Solid understanding of full-stack development with exposure to HTML, JavaScript. Good knowledge of application servers (WebSphere, Apache More ❯
Key Requirements: Strong experience in Java 8/11, Spring Framework, Spring Boot Frontend with JavaScript (Angular preferred) & Back End NodeJS Microservices development PostgreSQL or other relational DB experience REST APIs Exposure to CI/CD & DevOps (Git, Jenkins, Ansible) AWS experience (ECS, EKS, API Gateway, Serverless) Active SC Only Available immediately or 2-3 weeks' notice Based around More ❯
cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities Design and develop ultra-low latency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re-architecture and optimisation projects. Take ownership … of end-to-end performance, from network to JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed systems, and low-latency design Real-time pricing, RFQ, and automated hedging systems What We’re Looking For Proven experience designing or building low-latency trading … systems (FX or other asset classes). Deep understanding of Java performance tuning, GC optimisation, and threading models. Ability to discuss design decisions and architecture in depth. Front-office experience and a strong understanding of electronic trading workflows. Why Apply? Greenfield build, real technical ownership and impact. Highly technical front-office role with direct business interaction. Competitive package up More ❯
cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities Design and develop ultra-low latency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re-architecture and optimisation projects. Take ownership … of end-to-end performance, from network to JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed systems, and low-latency design Real-time pricing, RFQ, and automated hedging systems What We’re Looking For Proven experience designing or building low-latency trading … systems (FX or other asset classes). Deep understanding of Java performance tuning, GC optimisation, and threading models. Ability to discuss design decisions and architecture in depth. Front-office experience and a strong understanding of electronic trading workflows. Why Apply? Greenfield build, real technical ownership and impact. Highly technical front-office role with direct business interaction. Competitive package up More ❯
A rapidly growing healthtech scale-up is transforming how hospitals deliver care across the UK and they're now expanding their development team at pace. In just a few short years, they've evolved from a disruptive newcomer into a More ❯
Full Stack Developer - Financial Services - Up to £65k + Bonus I’m working with an established business in the financial services space who are looking for a handful of Full Stack Developers to join their fast-moving core team 🚀 💸 Salary: £50,000 – £65,000 depending on experience + 10% bonus + strong benefits package 🏢 Working Arrangements: Hybrid in Central … Manchester (3 days a week in the office) 💻 Tech Stack: TypeScript, JavaScript, React, Java/JVM ecosystem, AWS Company Overview: Top investment platform in the UK Over £70B in assets Close to half a million customers This is a fantastic opportunity to work on high-impact projects in a collaborative environment, with scope to grow your skills and career. … If this sounds like a fit, please send over your CV and notice period as soon as possible! Full Stack Developer - Financial Services - Up to £65k + Bonus 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 ❯
Java Developers - (SaaS) We are working with a leading SaaS company, who specialise in building AI Products. They are looking for a Java Developers, ideally with some React.JS to join their team Year's of experience - 1-5 years Stack; Java 17/21 AWS TDD CI/CD React.js/TypeScript This role is 3 days More ❯