151 to 175 of 830 Java Jobs in London

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

Hiring Organisation
AmazonWebServices
Location
London, UK
Employment Type
Full-time
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 ...

Technology Lead (Remote - UK)

Hiring Organisation
Reonomy
Location
London, UK
Employment Type
Full-time
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/ ...

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 ...

QE Automation Lead

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
scratch using Object-oriented and scripted languages Has breadth of experience across different tech-stacks. At least two of the following: JavaScript/TypeScript, Java, C#, or Python, amongst others Has a depth of knowledge in the Object-oriented Programming paradigm (OOP) and has practically applied the principles Experience writing ...

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, UK
Employment Type
Full-time
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 ...

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, UK
Employment Type
Full-time
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 ...

Senior Manager - Palantir Foundry

Hiring Organisation
Staffworx Limited
Location
London, UK
Employment Type
Full-time
capabilities, able to build production-grade applications not just prototypes. Strong proficiency in at least one relevant programming language such as Python or PySpark, Java, Typescript or SQL.Solid understanding of data engineering, data modelling, security and governance in enterprise settings. Experience with software engineering best practices including Git-based development ...

Graduate QA Engineer

Hiring Organisation
Select Recruitment Specialists Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
degree in Business, Information Technology, Computer Science or a related discipline. Some foundational knowledge of at least one programming language, such as Python, JavaScript, Java or C#. An understanding of basic software testing principles and the Software Development Life Cycle (SDLC). Strong analytical and problem-solving skills. Excellent attention ...

Graduate QA Engineer

Hiring Organisation
Select Recruitment Specialists Ltd
Location
London, Fenchurch Street, United Kingdom
Employment Type
Permanent
degree in Business, Information Technology, Computer Science or a related discipline. Some foundational knowledge of at least one programming language, such as Python, JavaScript, Java or C#. An understanding of basic software testing principles and the Software Development Life Cycle (SDLC). Strong analytical and problem-solving skills. Excellent attention ...

Backend Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
pipelines, Linux and modern engineering workflows. Regular use of AI-assisted development tools such as Cursor, Claude Code or similar. Desirable experience includes: Java and Spring Boot. Event-driven architectures and workflow orchestration. LLM integrations or AI-powered products. Experience within regulated or data-intensive industries. What They Offer Competitive ...

Senior Software Developer II - Receive Risk

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
focus on speed, scalability, and reliability. Strong product-oriented mindset, with end-to-end ownership of features and close collaboration across teams. Proficiency in Java (preferred) or solid experience with similar backend programming languages. Familiarity with messaging systems such as Kafka or RabbitMQ, and strong knowledge of relational databases ...

Senior DevOps / Platform Engineer (Google Cloud)

Hiring Organisation
Datatonic
Location
London, UK
Employment Type
Full-time
ensure seamless deliveryWhat You'll BringDevOps Experience: 4+ years of experience in the DevOps field or as a Software EngineerProgramming Skills: Proficiency in Python, Java, or Go programming languagesCI/CD Expertise: In-depth knowledge of CI/CD tools and processesTech Enthusiasm: Strong passion for technology and a drive ...

Lead Software Engineer

Hiring Organisation
Anson McCade
Location
London, UK
Employment Type
Full-time
document management, workflow automation and knowledge management problemsA track record of leading and mentoring engineersStrong experience in a modern object-oriented language (C# or Java)Deep knowledge of software design patterns, clean code and clean architectureExperience building REST APIs and working with messaging systemsConfidence defining data models and working with ...