2,101 to 2,125 of 2,279 Java Jobs in London

Lead Java AWS Architect for AI Payments (Hybrid, London)

Location
Greater London, England, United Kingdom
JOBS247 INC LTD in London is seeking a Lead Technical Architect to guide Java AWS agentic AI initiatives, bringing strong architectural judgment and hands-on leadership. The role focuses on designing cloud-native, large-scale distributed systems, collaborating with team leads to modernise platforms, and delivering a cohesive architecture ...

VP, Low-Latency Java/C++ Engineer — Trading Platform

Location
Greater London, England, United Kingdom
Goldman Sachs Electronic Trading (GSET) in London is seeking a highly capable Software Engineer with Java or C++ expertise to join our low-latency platform. You will help design, implement, and optimize components used by top clients in fast-paced markets. Work closely with global teams on reference data, market ...

Algo Developer – Java for Global Trading Platform

Location
Greater London, England, United Kingdom
Algo Developer for a 6 to 12 month contract in London. The role involves designing and developing algorithmic trading systems and requires expertise in Java and collaboration across teams. The ideal candidate will have a bachelor's or master's degree in computer science or engineering, and experience in algorithmic ...

Senior Blockchain Engineer - Hybrid Java Web3 Backend

Location
Greater London, England, United Kingdom
join the Digital Assets Platform. You will contribute to the Citi Integrated Digital Assets Platform (CIDAP), building enterprise-grade web applications with a strong Java backend and Web3 integration. The role requires hands-on development, collaboration across teams, and a proactive, startup-minded engineer. Hybrid work is available with ...

Hybrid Full-Stack Java Engineer – Systematic Credit Trading

Location
Greater London, England, United Kingdom
seeking a highly motivated full-stack engineer to join the Systematic & Credit Portfolio Trading team. The role focuses on building trading tools with Java and React, collaborating closely with traders, quants and product development. You will iterate rapidly on revenue-driving and risk-reducing tooling, learn the business context ...

Java Engineer – AI-Driven Backend & Cloud Services

Location
Greater London, England, United Kingdom
engineering and delivery to public and private sector clients across the UK. We seek a motivated backend engineer to design and evolve high-performance Java applications, integrate AI/ML models, and build scalable RESTful services within collaborative, agile teams. You will work with cloud platforms and data scientists ...

AI-Driven Full-Stack Engineer — React & Java Systems

Location
Greater London, England, United Kingdom
enabled coding assistants to craft elegant, scalable software. You will own features end-to-end, spanning frontend interfaces in React and backend services in Java, with a focus on correctness under concurrency and robust API contracts. You will drive testing, design reviews, and production releases, while refining architecture and adopting ...

Senior Java Engineer - Payment Schemes & Integrations

Location
Greater London, England, United Kingdom
focuses on building and maintaining payment integration systems with an emphasis on system stability and accuracy. Candidates should have at least 5 years of Java experience, a strong understanding of robust system delivery, and a proven track record of engineering excellence. The position supports a hybrid working model. Comprehensive benefits ...

Senior Low-Latency Engineer (Java/C++/Rust) - Hybrid London

Location
Greater London, England, United Kingdom
lead applications systems analysis and programming. This role will focus on low-latency systems and application framework engineering, requiring hands-on experience with Java and algorithmic trading technologies. The successful candidate will join a dynamic team, providing expertise and support to enhance application modernization across a range of critical projects. ...

Senior Java Architect & Engineering Leader

Location
Greater London, England, United Kingdom
them into effective outcomes while delivering secure, accessible, user-focused services. You will join our Software Engineering Practice as a Principal Engineer, specialising in Java, leading technical teams and shaping cutting-edge #J-18808-Ljbffr ...

eTrading Rates Strategist / Java Developer (Associate)

Location
City Of London, England, United Kingdom
office strat, eTrading, or low-latency development role Background in a top-tier investment bank or similar electronic trading environment Strong programming skills in Java, ideally within low-latency systems Good understanding of fixed income markets (cash and/or derivatives) Knowledge of electronic trading workflows and market microstructure Strong ...

Junior Python Engineer - Investment Management

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
smooth organizational continuity. Two brains are better than one. You will gain considerable knowledge of the trading and asset management space. The Java Engineer Must have: · 2:1 Computer Science, Maths, Physics or Chemistry degree from a Red Brick UK or EU University · Strong A Levels – Please list them. · Python … ideally some Java · Ideally Cloud Architecture or model deployment onto the cloud. · An Understanding of computing fundamentals, object orientated programming, threading, concurrency and distributed systems · TDD · CICDThis is an outstanding opportunity to join a growing trading business at a time of significant and interesting growth within the sector. You will ...

Principal Engineer

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
design. Strong project management skills. Agile methodologiesA passion for innovation and problem-solving. Excellent communication and collaboration skills. Substantial experience as a hands-on Java EngineerAbility to advocate Java/Coding principles, practices and philosophy Ability to communicate your design, both verbally and in written formAbility to work with senior ...

Junior Software Engineer - Investment Management

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
junior role we are looking for potential rather than experience. You will gain considerable knowledge of the trading and asset management space. The Java Engineer Must have: 2:1 Computer Science, Maths, Physics or Chemistry degree from a Red Brick UK or EU University Strong A Levels – Please list them. … Some experience in software development within the enterprise space. An understanding of Java or another Enterprise Language An Understanding of computing fundamentals, object orientated programming, threading, concurrency and distributed systemsThe environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere ...

Junior Solution Engineer - Investment Management

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Solution Engineer will:– Participate in defining, building and delivering product demos arranged by the Sales team– Building prototype solution using Python and Java– Participate in capturing and organizing customer requirements,– Participate in facilitating communication between business and technical stakeholders,– Contribute to responding to RFIs/RFPs with the sales team … Computer Science, Maths, Physics or Chemistry degree from a Red Brick UK or EU UniversitySome experience in software development within the enterprise space. Java and PythonAn Understanding of computing fundamentals, object orientated programming, threading, concurrency and distributed systemsSome experience in a similar role for a software vendor (e.g. FinTech ...

Principal Engineer

Location
Greater London, England, United Kingdom
Strong project management skills. Agile methodologies A passion for innovation and problem-solving. Excellent communication and collaboration skills. Substantial experience as a hands-on Java Engineer Ability to advocate Java/Coding principles, practices and philosophy Ability to communicate your design, both verbally and in written form Ability to work ...

Android Developer

Location
Greater London, England, United Kingdom
engineering principles including clean code, modularity, maintainability and version control. Experience diagnosing and resolving application defects and performance issues. Desirable technical skills Experience with Java and maintaining or modernising existing Java codebases. Experience with Jetpack Compose and/or traditional Android Views. Experience with Android Jetpack libraries and modern Android ...

SailPoint Engineer

Location
Greater London, England, United Kingdom
impact**The Identity and Access Management (IAM) team at AIG is seeking a highly skilled IAM Engineer with expertise in SailPoint IdentityIQ and strong Java programming skills. As a SailPoint Engineer, you will play a critical role in designing, implementing, and maintaining our enterprise IAM infrastructure. Your primary responsibilities will … Implement and maintain access control policies and entitlement management within SailPoint IdentityIQ.* Collaborate with development teams to ensure smooth integration of IAM solutions with Java-based applications.* Conduct integration testing to verify the functionality, performance, and security of IAM solutions.* Stay current with industry best practices and emerging trends ...

Android Developer - Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
doing something you are passionate about. My client is based in Central London, this role is remote for the considerable future. Android Engineer, Engineer, Java Developer, React. JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Senior Software Engineer - Android & Backend (Remote)

Location
Greater London, England, United Kingdom
Accertify is hiring a Senior Software Engineer to design, develop, and enhance scalable software for server-side and Android platforms. You will work with Java, JavaScript, HTML5, CSS, SQL, Linux, Git, and Gradle, collaborating with stakeholders and leadership through the full software lifecycle. The ideal candidate has strong Java expertise ...

Tech Lead - AWS Cloud Migration

Location
Greater London, England, United Kingdom
Strong track record of working effectively in complex, multi-supplier project environments. Integration Expertise: Demonstrated experience with integration design or overseeing integration-focused components. Java Frameworks (Nice to Have): Hands-on experience or familiarity with Java frameworks (e.g., Spring, Hibernate, Struts, JSF) and core libraries (e.g., Apache Commons, Guava). ...

Senior eTrading Developer - Rates

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £800 per day
seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded closely with global trading … desks. The ideal candidate brings extensive buy-side or top-tier investment banking experience in Rates e-trading, deep low-latency Java expertise, and strong business-facing capabilities to elicit requirements directly from traders. Key Responsibilities & Accountabilities Core Platform Build: Design, develop, and optimize greenfield components of the Rates electronic ...

Senior eTrading Developer - Rates

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £800.00 per day
seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded closely with global trading … desks. The ideal candidate brings extensive buy-side or top-tier investment banking experience in Rates e-trading, deep low-latency Java expertise, and strong business-facing capabilities to elicit requirements directly from traders. Key Responsibilities & Accountabilities Core Platform Build: Design, develop, and optimize greenfield components of the Rates electronic ...

Senior Software Engineer II - Engineering Experience

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
engineers time across Wise. What do you need?:A senior engineer comfortable working in a polyglot environment. Our tools and services span languages including Java, Go, Python and TypeScript. You need to be an expert in either Java, Go or TypeScript, but not all of them. Strong experience building ...

Junior Ruby Developer - HTML5, Rails Javascript, TDD

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Foreign exchange markets. The position is for a hands Junior Ruby Developer to build new and maintain existing Rails applications communicating with a Java API. The current team has 3 bleeding edge ruby and frontend developers who need some help to keep them from evangelising the world off. The Ruby … brand new web platform in RubySome Code reviewsThe project will be stabilising the development of their web based platform which is built on Java and AWS EC2 and Ruby. This project will involve getting to know the platform and then adding greenfield functionality as well as brining the platform together. ...