19 of 19 Senior Java Developer Jobs in London

Senior Java Developer - Remote Working - SC Cleared Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle … projects Key skills and experience: Previous experience working within a consulting organisation or the public sector is essentail Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯

Vacancy for Senior Java Developer at The National Archives Vacancy for Senior Java Developer at The National Archives 20 December 2021 Remote, Kew Up to £700 per day Fixed Term An experienced Java developer is required to design, implement and test improvements to the performance and features of the DROID file identification … tool, starting with enabling DROID to be integrated with cloud-based workflows. The specialist will be the only developer actively working on DROID. The wider team is a Product manager, Technical Architect, Lead and Senior Developers (available for discussion of technical options, code review, acceptance). The specialist will have access to users: Digital Archivists (users of the More ❯

Exclusive 12-Month Contract Role Title: Senior Java Developer Location: City (3 days in office) Rate: £750 per day (umbrella) Start date: 1st September Duration: 12-months We are working exclusively with a major Financial Services business to provide a Senior Java Developer for a greenfield project. This project involves rearchitecting a trade capture … system, transitioning logic from Murex to a newly developed Java environment. Key Responsibilities: Design and develop high-performance Java applications. Rearchitect the trade capture system, ensuring seamless integration with existing systems. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. … Requirements: Extensive experience with Java 11+. Proficiency in distributed cache technologies such as EhCache, Redis, or Hazelcast. Significant experience in parallel processing. Strong background in Financial Services, with a preference for candidates who have worked in a post-trade environment. Experience with Kafka. Familiarity with Murex is an advantage. Knowledge of post-trade systems, including trade processing and trade More ❯

Senior Java Developer Contract - Analytics/Risk/PnL/Caching/AWS/PostgreSQL/Kafka/TDD Our leading investment banking client is looking for a Senior Java Developer to join them on an initial 12 month contract. Skills Required Derivatives, risk management and trading, market risk Market Data Financial Market exp … Investment Banking development experience Java 17+ dev experience Apache Kafka Postgre SQL Contract - Central London based - flexible working - paying market leading rates By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with More ❯

Job Title: Senior Java Developer - Electronic Trading Location: London A leading global financial firm is looking for a skilled Java Developer to join their Electronic Fixed Income team. You'll help build and improve fast, reliable trading systems that connect to global markets. What You'll Do Develop and improve electronic trading systems with a … technology. Support and improve existing trading tools. Solve technical problems and boost system performance. What You'll Need Strong experience in trading systems, 5+ in eTrading. Strong skills in Java , multi-threading, and low-latency development. Good understanding of fixed income or FX trading . Experience with Linux , TCP/UDP , and performance tuning. Familiar with test-driven development More ❯

E-Trading Fixed Income - Senior Java Developer | London (Hybrid) | 6-12 month contract We are partnered with a leading investment bank who is hiring a Java Developer with strong expertise in electronic trading systems to join their e-Fixed Income team in London. You'll play a key role in developing high-performance, low-latency … trading platforms and integrating TransFICC connectivity. We're looking for someone with extensive experience in the e-trading field and deep knowledge of Java , low-latency programming , and multi-threaded systems . You'll work closely with traders, quants, and analysts to deliver robust, scalable solutions. Key Requirements: Extensive experience with electronic trading is a must. Strong Java More ❯

E-Trading Fixed Income - Senior Java Developer | London (Hybrid) | 6-12 month contract We are partnered with a leading investment bank who is hiring a Java Developer with strong expertise in electronic trading systems to join their e-Fixed Income team in London. You'll play a key role in developing high-performance, low-latency … trading platforms and integrating TransFICC connectivity. We're looking for someone with extensive experience in the e-trading field and deep knowledge of Java , low-latency programming , and multi-threaded systems . You'll work closely with traders, quants, and analysts to deliver robust, scalable solutions. Key Requirements: Extensive experience with electronic trading is a must. Strong Java More ❯

Senior Full Stack Java Developer (100k-120k plus benefits and bonus) This is a hybrid role, 2 days in the office, 3 days remote What the role offers: Competitive salary with growth opportunities. Opportunity to work on cutting-edge fintech solutions. A collaborative and supportive team environment. Exposure to a wide range of technologies and the chance … to building high-performance solutions for investment professionals. Our small, close-knit team thrives on collaboration, innovation, and technical excellence. As we expand, we're looking for a talented developer to join our team and play a crucial role in shaping our platform. Role Overview: As a Full Stack Java Developer, you will work across the full … stack, collaboratively contributing to front-end, back-end, system architecture, and infrastructure. You will be responsible for designing and developing scalable, robust software solutions using Java, with a focus on system design and performance. AWS experience is a plus, and financial industry knowledge would be beneficial but not required. Key Responsibilities: Work on full-stack development, including front-end More ❯

Senior Java Developer - Glasgow - Investment Banking - Data/Spring/Linux/SQL/SDLC/Equity Primary responsibilities: The developer will work within an agile squad developing within a system comprising of numerous Java services that interact via messaging to produce the product outputs in Real Time. Technologies and techniques such as highly multi … threaded Java, Sharded Mongo DB and caching are used in the stack to provide the scale and performance that the product requires. Skills: - Core Server Side Java including Data Structures and Concurrency - Spring, Junit - Linux - Relational Databases (Sybase and/or DB2 is preferable) with ability to write SQL queries - Understanding of message-based architectures - Good Problem solving … by the applications - Knowledge and desire to use agile software development practices Skills Desired: - JMS, MQ, Kafka - MongoDB - Knowledge of a range of common Open Source libraries used in Java development - Database performance tuning (relational and document) - Python/Shell Scripting - Financial domain knowledge (eg Equities) Glasgow based - hybrid - Inside IR35 By applying to this job you are sending More ❯

A brand new Senior Java Developer position is coming up with a well known name in the fintech space, working specifically in their payments team. This is a permanent position with a salary of up to £90k, and will be hybrid with 1 day a week in Central London. I'm looking to speak with Engineers from … a solid Java background, who are looking to on a new challenge in a challenging yet rewarding environment. Prior experience of payments is not essential, but will be beneficial. Tech skills required: Java 17+ Springboot Microservices API integration Docker/Kubernetes Terraform - desirable AWS There will be a 2 stage interview process for this position. If interested, please More ❯

Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer ?" who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. … retail business acumen, and customer focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical … lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail/digital technology experience is essential · Experience in SalesForce Service and Marketing Clouds · Safety Knowledge: · Provides a consistent outstanding role model in More ❯

unparalleled access to capital and liquidity. What We do/The Team The FX Data Analytics & AI Technology team, within Citi's FX Technology organization, seeks a highly motivated Senior Java Data Engineer. The FX Data Analytics & Gen AI Technology team provides data, analytics, and tools to Citi FX sales and trading globally and is responsible for defining … with a practical and pragmatic attitude, ability to build consensus, and work both collaboratively and independently in a dynamic environment. Role Overview/What will you do: As a Senior Java Engineer, your mission is to help shape our team of innovators and technologists toward creating next-level solutions that improve the way our business is run. Engineer … terms of data management, need-to-know (NTK), and data governance. Contribute to shaping and executing the overall data strategy for FX in collaboration with the existing team and senior stakeholders. Closely work with FX desks in understanding the requirements and translating into simple and efficient design. Close interaction with Traders and Quants to understand new requirements for applications More ❯

Java Development Team Leader London This is a new and exclusive opportunity for a Software Development Team Leader focused on Java Full stack, to join a thriving business as they grow their software development team Role details Title: Development team lead Technical stack: Java full stack- back end and front end, React, Azure Location: London City … day a week in the office leading your team Focus of the role: leading your team of 7 developer 5 back end java developers, 2 front end java react developers Permanent role salary £70-90,000 plus bonus and benefits This is a really interesting role and a great chance to join a team as they are … have recently spent £35million on an entirely new sales portal, and this investment is continuing This role is for a Software development team lead who will focus on leading Java software development from the front (approx. 50% of the role) and leading the work of the full stack java developers under you- 7 in total. We are looking More ❯

Java Development Team Leader London This is a new and exclusive opportunity for a Software Development Team Leader focused on Java Full stack, to join a thriving business as they grow their software development team Role details Title: Development team lead Technical stack: Java full stack- back end and front end, React, Azure Location: London City … day a week in the office leading your team Focus of the role: leading your team of 7 developer 5 back end java developers, 2 front end java react developers Permanent role salary £70-90,000 plus bonus and benefits This is a really interesting role and a great chance to join a team as they are … have recently spent £35million on an entirely new sales portal, and this investment is continuing This role is for a Software development team lead who will focus on leading Java software development from the front (approx. 50% of the role) and leading the work of the full stack java developers under you- 7 in total. We are looking More ❯

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem solving and communication skills and be comfortable with fast paced … Liaise with product development team to plan new features Research and suggest new mobile products, applications and protocol Qualifications/Experience: Highly proficient in React, Swift or Objective C, Java for mobile development; Rails, nodejs and Angular for web development 5 to 7 years of extensive native mobile app (iOS & Android) and web app development experience Demonstrable portfolio of More ❯

best practices and a rigorous, proven methodology, we help your organization realize the benefits of modern enterprise technologies - and see real bottom-line results Responsibilities Develop, enhance, and maintain Java-based applications using Java 1.8, JSF, Spring Boot, web services, Azure, Angular, JQuery and DB2. Collaborate with cross-functional teams to gather requirements and translate them into technical … the smooth operation of applications. Participate in code reviews to ensure code quality and maintainability. Optimize application performance by identifying and resolving bottlenecks. SkillsMust have Proven experience as a Java Developer with strong proficiency in Java 1.8. Solid understanding of JSF (JavaServer Faces) and Spring, Spring Boot, Angular UI frameworks. Strong experience in Velocity templates, iBatis or More ❯

The FX Data Analytics & AI Technology team, within Citi's FX Technology organization, seeks a highly motivated Senior Java Data Engineer. The team provides data, analytics, and tools to Citi FX sales and trading globally. Responsibilities Responsibilities of the team include engineering and development, with a strong understanding of computer systems and how they operate. Requirements Hands-on … experience in Java, Spark, Scala (or Java). Production-scale experience in writing data pipelines using Spark or other distributed real-time/batch technologies. More ❯

execution algorithms, risk engines, UI dashboards, middle office reconciliation, and account infrastructure. We emphasize event-driven, deterministic system design, real-time observability, and strong security. Our tech stack includes Java (low-latency), Python, Web UI (React/Ag-Grid), Aeron, ClickHouse, Kubernetes, and modern CI/CD tooling, with a strong focus on automation, scalability, and performance. AI-assisted … to ensure high standards across the codebase. Use AI-driven coding tools (e.g., GitHub Copilot or similar) to accelerate development and improve productivity where appropriate. Requirements 5+ years of Java backend development experience, preferably in a trading or real-time system environment. Deep understanding of Java core internals, multithreading, memory models, and garbage collection. Proven experience in GC … a plus but not required. Comfortable working in a global team with colleagues across APAC, EMEA, and North America. Strong communication skills; able to interface across all levels from senior leadership to engineers and stakeholders. Able to collaborate effectively with people from different cultural and technical backgrounds, aligning tech decisions with business goals. Life @ Empowered to think big. Try More ❯

a month-Full-time BenefitsPulled from the full job description UK visa sponsorship Full job description Are you interested in immigrating to Canada? We're looking to sponsor multiple JAVA Developers to move to Canada. Currently, there is a shortage of experienced technical candidates, and many job opportunities. We're looking for someone who has significant technical experience, and … technical staffing agency. We're looking for the best candidates, because we understand what a difference quality makes in the development process. Requirements: Excellent English Skills 8+ years of JAVA development experience (technical interview and test to follow) Experience in either Finance or Healthcare industries The Process: The application process to come to Canada is not short - it will … month Application question(s): Would you require work visa sponsorship to work in Canada? Are you willing to relocate to Canada? Do you have at least 8 years with Java development? Language: English (required) Work Location: In person APPLY NOW More ❯