java developer

Millennium is seeking a senior Java developer to enhance real-time equities execution systems in London. You will design and implement low-latency trading features, optimize performance, and collaborate with cross-functional teams across global markets.You bring 7+ years in equities execution, VWAP/TWAP algorithms, and experience with Kafka/Solace and...

Additional Resources Ltd is seeking a Java Developer to join a specialist cyber technology and software assurance team supporting UK Defence and Critical National Infrastructure programmes.You will develop secure Java applications, backend services and RESTful integrations in a restricted environment, working in an Agile team on a 12-month contract with a...

Founded in 2011, Fasanara is a global asset manager and technology platform. We manage c. USD 6 billion AUM (as of December 31, 2025) in Fintech strategies on behalf of pension funds and insurance companies in Europe and North America. With c.110 employees globally, we are a pioneer investor in Fintech Lending, enabling Real Economy Impact. Fasanara manages...

About the team Event Master Central is Citi’s centralized corporate action event repository and distribution platform that consolidates corporate action announcements and notifications from various vendors with cross-business operational process. As a critical pillar within the MRD and the broader Citi Enterprise Data Organization, our team is responsible...

ISAM Securities in London is seeking a highly capable Quantitative Developer to join the in-house trading platform team. You will build ultra-high-performance front-office software for pricing, execution and risk management, using Java and C++ in a 24x7 production environment.You will collaborate with quantitative researchers to implement models at scale,...

A position is open for a skilled professional who will be required to work under a hybrid model, with occasional on-site visits to an office located in Plymouth.Key ResponsibilitiesDesigning and developing robust software solutions.Bringing substantial experience in AWS to the role.Contributing to the technical direction of various projects.Upholding and...

📌 Job Title: Java Full Stack Developer - Government - Contract 📍 Location: Reading, England, United Kingdom 🕐 Employment type: Contract, 6 months 🌍 Environment: Government Programme Environment About the Role We are searching on behalf of our client for this role. This position is not with OVI. Join our client as a Java Full Stack Developer on...

GlobalLogic in the United Kingdom is seeking a Software Engineer to join our high performance engineering team building a real-time banking platform. You’ll design, produce, test and implement working software across the system lifecycle, with a focus on reliability and scalability.You’ll work with Kafka, Java/Spring Boot microservices and cloud-native...

Version 1 in Manchester is seeking an experienced Senior Java Developer to design, develop and maintain scalable Java applications using Spring, Hibernate and RESTful APIs. You'll work with AWS to deploy cloud-based solutions and optimize relational databases via SQL.You will join cross-functional teams including product managers and QA engineers, contribute...

Job ID: 1 Posted: 2026-10-30Location: London, England, United KingdomCategory: TechnologyCompany: CitiFX Risk Lead Java Developer + AI (VP)Engineer the future of global finance.The information below covers the role requirements, expected candidate experience, and accompanying qualifications.At Citi, our Tech team doesn’t just support finance – we are...

Job ID: 6815Location: LondonSalary: 85,000-95,000 per yearPosted: 2026-04-16Senior Java Developers with a passion for cutting-edge technology and a desire to work on a flagship platform rebuild, look no further for your next role! We have an exceptional opportunity with a leading financial services technology vendor based in the heart of London.As a Senior...

Lead Java Developer (Low Latency Trading Systems) Contract: 4 Months Rate: Up to £700 per day Location: Hybrid - London IR35: Inside IR35 The Opportunity We are looking for an experienced Lead Java Developer to join a high-performing team delivering strategic Agency Liquidity and Principal Risk initiatives across EMEA and North America. This is an exciting...

Hybrid Model - 2 days per week in the office The Opportunity An exciting opportunity has arisen for a hands-on Java Technical Lead to join a leading financial services organisation, contributing to the development and modernisation of complex, business-critical technology platforms. You’ll combine strong Core Java engineering skills with expertise in...

Junior Java Developer (1-4 years experience)We are looking for a number of Junior Java Developers for a Public Sector client. You will have between 1 to 4 years experience with a keenness to further develop your skills and experience in Java software development.Programming Languages: Proficiency in Java (often Java 11 or newer) and Object-Oriented...

Java Developer - Team Lead - Up to £150k + Exceptional Bonus - Elite FinTech Firm- London - Hybrid Working Direct message the job poster from Hunter Bond. Sells: Cutting-edge tech, a collaborative and flat-structured environment, beautiful offices My client is looking for the best Full Stack Developers to join their high-performance team! You will be...

Junior Java Developer (1-4 years experience)We are looking for a number of Junior Java Developers for a Public Sector client. You will have between 1 to 4 years experience with a keenness to further develop your skills and experience in Java software development.Programming Languages: Proficiency in Java (often Java 11 or newer) and Object-Oriented...

Technical Skills RequiredExperience with Java NIO components like Channels Buffers and Selectors is expectedExpert knowledge of FIX protocol Market Connectivity and Low latency programming is a mustVery strong in Java and Spring Boot based application developmentExperience with middle layer messaging services like JMS MQ EMS or KafkaStrong at RDBMS concepts...

Our client is looking for an experienced Senior Java Microservices Developer with 10+ years of software engineering experience to join a major financial services technology programme. This is a hands-on engineering role focused on designing, developing, testing and supporting scalable enterprise applications using Java, Spring Boot, Microservices, React,...

Recognised as a Great Place to Work, ITRS is an Enterprise SaaS provider with industry-leading solutions. Our mission is to make society’s critical technology work via automated & holistic IT observability solutions that safeguard critical applications and enable innovation.With our prestigious customer base includes 90% of the world's top investment...

About the team: Event Master Central is Citi’s centralized corporate action event repository and distribution platform that consolidates corporate action announcements and notifications from various vendors with cross-business operational process. As a critical pillar within the Master Reference Data (MRD)and the broaderCiti Enterprise Data Organization...