151 to 175 of 904 Java Jobs in London

Software Engineer - Recurring Payin

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
bank account or a EUR issued bank card; you name it. Job Responsibilities: Design, develop, test, and maintain backend services written in Java and Kotlin using the Spring Boot framework, deployed on cloud infrastructure (AWS)Build and maintain RESTful APIs that serve millions of customers across web and mobile platformsDevelop ...

Software Engineer (Associate) - GMIT Trade Processing

Hiring Organisation
Nomura
Location
London, UK
Employment Type
Full-time
required. The desire to work within a technology team whose primary focus is on providing services to other IT systems is important. Strong Java development skills with an understanding of the role of testing, DevOps etc. in the development cycle. An understanding of distributed messaging technologies, ideally including experience ...

Senior Software Developer- .NET

Hiring Organisation
Netcompany
Location
London, UK
Employment Type
Full-time
that we deliver a high-quality end product to our clients? We work with a wide range of different technologies including .Net, C #, Java, Salesforce, Sharepoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, AzureDevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each ...

Software Development Engineer - 2027

Hiring Organisation
Amazon
Location
London, UK
Employment Type
Full-time
Basic qualifications- Experience using AI-assisted development tools in academic or professional settings- Experience with at least one general-purpose programming language such as Java, Python, C++, C#, Go, Rust, or TypeScript- Experience with data structure implementation, basic algorithm development, and/or object-oriented design principles- Currently ...

Lead Full Stack Engineer

Hiring Organisation
The Bank of New York Mellon
Location
London, UK
Employment Type
Full-time
full‐stack engineering and system/application architecture. Prior experience in securities, financial services, or modern engineering-first organizations is a plusStrong proficiency in Java, Spring Boot, SQL, and the design of RESTful and streaming‐based APIs. Hands‐on experience delivering cloud‐native solutions, including microservices, containerization, and modern deployment ...

Senior Software Engineer I

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
enhance software solutions. What are we looking for: Bachelor's or Master's degree in Computer Science, Engineering, or related fieldProficiency in C# .NET, Java, or Go, with a strong understanding of software development principles in either a backend or full stack environment. Great communication skills and ability to interact ...

Senior Backend Product Engineer

Hiring Organisation
CAIS
Location
London, UK
Employment Type
Full-time
moved off legacy, and our systems have been built in the last few years Skills & Experience Experience working as a software developer with Java or Kotlin server-side applications Track record of turning business problems into working software, with a clear, measurable impact Experience building and running mission-critical services ...

Technology Lead (Remote - UK)

Hiring Organisation
Reonomy
Location
London, United Kingdom
Salary
£ 70 K
Senior Engineer owning complex systems in productionStrong hands-on AWS experience and cloud-native architecture expertiseProficiency in at least one modern programming language (Python, Java, Node.js, etc.)Deep understanding of system design, distributed systems, scalability, APIs, and data modelingExperience with Infrastructure as Code (Terraform or similar)Strong CI/ ...

Delivery Consultant - App Dev, Application Migration, Modernization and Management (AM3)

Hiring Organisation
AmazonWebServices
Location
London, United Kingdom
Salary
£ 70 K
through custom applications and experience in any Bigdata architecture- Expert-level proficiency in at least one programming language (TypeScript, Node.js, Angular, React, Java, C#, Go)- Strong understanding of cloud architecture patterns and microservices- Experience with DevSecOps practices, GitOps and CI/CD tools- Experience with Infrastructure as code tooling e.g ...

Senior Low Latency Software Engineer - Equities Execution (SVP)

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
maintain common solutions for trading platform monitoring, trade reconciliation, application recovery, and other essential support functions. QualificationsStrong technical knowledge and expertise in Low latency Java and Rust. Prior experience in developing electronic trading platforms in a global financial institution or equivalent environment. Strong understanding of automated testing techniques and quality ...

Senior Software Engineer II - Data Onboarding & Reporting

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
Solid understanding of event-driven architectures and streaming processing via Apache Kafka. Strong Programming Foundations: Proficiency in Python, SQL, or an Object-Oriented language (Java/Scala).Nice to HavesExperience operating data assets within a regulated SOX/PCAOB compliance environment. Familiarity with cloud data warehouses (e.g., Snowflake) and cloud ...

Senior Engineering & Architecture Opportunities

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
will be need to have practical use of AI-assisted development tooling to improve engineering productivity. WHAT YOU'LL BRING:Experience developing software using Java, Python, C++, C#, or similar technologiesExperience with cloud platforms such as AWS or AzureKnowledge of CI/CD, automation, testing, and modern engineering practicesStrong problem ...

Oliver Wyman - Forward Deployed Engineer — Data & Analytics

Hiring Organisation
Oliver Wyman Group
Location
London, UK
Employment Type
Full-time
makes a great candidate Excellent programming and system design skills, with recent hands-on experience in Python and ideally one of C#/.NET, Java, Rust or C++ A track record of taking AI or machine learning systems into production — not just prototypes — including substantial experience with LLMs, prompt design ...

Software Development Engineer III

Hiring Organisation
Capital Group
Location
London, UK
Employment Type
Full-time
Computer Science or related field, or an equivalent in relevant work experience. Professional software development experience in at least one modern language such as Java, Go, Typescript, JavaScript, or Python. Strong OO and functional design skills with an understanding of common design patterns. Strong understanding of web development principles, including ...

Senior Site Reliability Engineer

Hiring Organisation
Imanage
Location
London, United Kingdom
Salary
£ 70 K
rollout strategies. A bachelor’s degree (or equivalent experience) in Computer Engineering or related field. Proficiency in one or more programming languages (e.g., Java, Python, Golang). Familiarity with scripting languages (e.g., PowerShell, Bash, Python, Ruby). Don't meet every qualification listed above? Studies show that women and people ...

AWS Architect with Java & Capital Markets

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
technology partner to leading investment banks, exchanges, clearing houses, and capital markets institutions. We are seeking an experienced AWS Cloud Architect with a strong Java background to join a strategic cloud modernization and migration program for a major financial services client. In this role, you will lead the architecture … define migration strategies, modernize applications, and establish cloud best practices across the organization. The ideal candidate combines deep AWS architecture expertise with hands-on Java experience and a strong understanding of Capital Markets platforms, trading workflows, and financial technology environments. Responsibilities Responsibilities This initiative focuses on: Cloud migration and modernization ...

Senior Java Fullstack Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
Senior Java Fullstack Developer Salary: £60,000 - £75,000 (depending on experience) Location: Central London Working Arrangement: Hybrid, 2 days per week in the office Employment Type: Permanent Avanti Recruitment is currently recruiting for a Senior Java Fullstack Engineer to join an established, internationally recognised software company based in Central … managers to deliver robust, scalable and maintainable solutions. The company is investing in the continued modernisation of its software platforms, introducing new versions of Java, Springboot, Angular, REST APIs and Microservices. You'll work across both existing systems and new development, helping improve scalability, performance and maintainability while contributing ...

Java Engineer - Systematic Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Engineer – Systematic Hedge Fund 130,000 Base plus Hedge Fund level Bonus Leading London-based hedge fund has an outstanding opportunity for a Java Developer to join their Algo Trading Strategy team. This will be building out a brand new greenfield trading platform. You will … fund with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across FX and commodities. The Java Engineer will: Work closely with the Head of Trading and the Execution Technology Team and assist in design and development of new trading algorithms, mainly ...

Java Full Stack Engineer Java Full Stack Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Salary
£ 45 K
Java Full Stack EngineerAbout the RoleJoin a growing digital transformation and technology consultancy that delivers innovative solutions to a diverse range of organisations. Working as part of a collaborative, multidisciplinary team, you will help design and build modern digital products that solve complex business challenges and deliver meaningful outcomes.This … best practices, automation and knowledge sharingTechnologies You May Work WithJavaSpring BootNode.jsKotlinReactRESTful microservicesNoSQL databasesCloud platforms including AWS and AzureSkills and ExperienceEssentialExtensive experience building microservices using Java and Spring BootExperience developing front-end web applications using JavaScript and/or TypeScript, React, HTML and CSSExperience using Git for version controlExperience with repository ...

Senior Java / Angular Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
Senior Java Fullstack Developer Salary: £60,000 - £75,000 (depending on experience) Location: Central London Working Arrangement: Hybrid, 2 days per week in the office Employment Type: Permanent Unfortunately Sponsorship cannot be provided for this role. Avanti Recruitment is currently recruiting for a Senior Java Fullstack Engineer to join … managers to deliver robust, scalable and maintainable solutions. The company is investing in the continued modernisation of its software platforms, introducing new versions of Java, Springboot, Angular, REST APIs and Microservices. You'll work across both existing systems and new development, helping improve scalability, performance and maintainability while contributing ...

FX Risk Lead Java Developer + AI (VP)

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
102161067232Posted: 2026-10-30Location: London, England, United KingdomCategory: TechnologyCompany: CitiFX Risk Lead Java Developer + AI (VP)Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. … millions and get the opportunity to build the future of finance with Citi Tech. What We do/The TeamThis isn't just another Java developer role. As a Lead Java Developer – Vice President within Citi's FX Risk technology team, you'll be at the intersection of high-stakes ...

Senior Software Test Engineer (SDET) - London - Contract

Hiring Organisation
Bond Williams
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £600.00 per day
environments. As Senior Software Test Engineer Experience Reuired: Experience as a Software Test Engineer, SDET or Automation Test Engineer Strong Python, C# or Java skills Experience building and maintaining automated test frameworks Integration, system and regression testing experience Experience working closely with software developers in Agile teams CI/ ...

Junior Data Engineer - AWS - SC Cleared

Hiring Organisation
SR2
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£300.00 - £375.00 per day
foundation in data engineering who wants to develop their technical skills, take on greater responsibility and gain exposure to technologies including Kafka, Terraform and Java . Due to the nature of the roles, active SC clearance is required. You don't need to be an expert in every technology. ...

QA Engineer Lead - WEMBLEY

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum + perm benefits
maintaining automation frameworks in complex environments Strong hands-on experience with tools such as Playwright, Selenium, REST Assured, Postman, or similar Development experience using Java, JavaScript, or TypeScript Experience testing APIs, microservices, and distributed systems Strong understanding of CI/CD practices and automated quality gates Experience defining testing strategies ...

DevOps Engineer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
business—build,Job Responsibilities (include, but not limited to the following)Improving, monitoring and supporting our software infrastructureDeveloping software systems in Golang (and Java or Scala if you have a background)Testing and deployment pipelines, software and productivity tools, monitoring and middleware, data infrastructure.Integrating best-of-breed tools and technologies ...