Java Jobs in London

151 to 175 of 294 Java Jobs in London

Senior Java Game Engine Developer

London, South East, England, United Kingdom
Hybrid/Remote Options
Eligo Recruitment
Are you an experienced Senior Java Game Engine Developer looking for a new challenge? If you enjoy solving complex technical problems and creating reliable systems, this could be a great next step for you. BENEFITS : £80,000 to £90,000 per year, depending on experience, 30 days holiday, Private healthcare, Pension scheme, London based, hybrid working 3 days work from … home About the Role In this role, you will take ownership of developing, enhancing and maintaining Java based game engine components. You will work on core frameworks, introduce improvements that support new features, and contribute to tools that help with performance analysis and simulation accuracy. You will be responsible for writing clean, scalable Java code and helping shape the technical … contribute ideas and influence technical decisions. The environment suits someone who enjoys autonomy, continuous learning and working on complex challenges with like minded developers. Key Requirements Strong experience with Java development in a commercial environment Background in the mathematics used in engine or feature design, including probability and statistics Confident working with scalable and stable backend systems Able to work More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Technology - Application Development, Summer Analyst, London, UK, 2026 - Citi

London, UK
Jobs via eFinancialCareers
and the technical skills you will need to succeed. While technologies can vary slightly from team to team, some developer will have exposure within the following categories: Microservices Developer: Java, Spring Framework, Pivotal Cloud Foundry iOS: Swift, Xcode, MVC Architecture Android: Java, Android Studio, JavaScript, CSS, AJAX, Java Web Services Generative AI tools: Github, Co-Pilot for code generation, for … automated code reviews, etc. Web: Angular (latest version), Eclipse, Java, JSP, TypeScript, HTML, JavaScript, CSS, AJAX While other developers will be exposed to the following: Data Analytics tools such as Splunk, Tableau, and Adobe Analytics to track adoption of customer journeys and derive business value of delivered product. Cloud adoption strategy with Citi APis getting deployed in diverse cloud providers More ❯
Employment Type: Full-time
Posted:

Senior Software Developer - Java

London, UK
Kantar Media
/Hybrid Description Role Description We are seeking a Senior Software Developer with a strong focus on developing production-grade software, extensive experience with Azure services, and proficiency in Java, Python, PySpark. You will manage a team and collaborate with a third-party vendor to deliver robust, scalable solutions. Role Responsibilities Owning the development team in design, development, coding, testing. More ❯
Employment Type: Full-time
Posted:

Senior Engineering Lead, Index Distribution

City Of London, England, United Kingdom
Hybrid/Remote Options
LSEG (London Stock Exchange Group)
test cases. Enjoy. Enjoy learning, experimenting, and push for innovative designs to help us building better product experiences for our clients. Tech Stack You’ll Work On Backend: Python, Java, TypeScript, SQL, APIs, microservices, containers Frontend: Angular, JavaScript, HTML5/CSS Cloud: AWS (EC2, Lambda, Glue, EKS, SQS, SNS and any other as required) Databases: SQL Server, PostgreSQL, DynamoDB, possibly … optimized for data distribution use cases Be able to be product centric and client led Solid experience in UI development for business-critical applications in Angular (8 and above), Java Script, HTML/CSS, Java, C# Exposure to AWS services Solid stakeholder management Personal traits you should have: Excellent attention to detail and an ability to think laterally to solve More ❯
Posted:

Java Developer - (Java/Kafka/MQ Series)

London, United Kingdom
Henderson Scott
We are urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern, scalable platform click apply for full job details More ❯
Employment Type: Contract
Rate: GBP 525 Daily
Posted:

Pentaho Developer

London, United Kingdom
InfinityQuest Ltd,
of data warehousing concepts, data modelling, and schema design. Experience with other ETL tools (Informatica, Talend, SSIS) is a plus. Advanced SQL for querying and data manipulation. Familiarity with Java, Python, or VBA for scripting and automation click apply for full job details More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer (AI Agent Developer)

London, United Kingdom
Randstad Digital
AI Engineer (Java, Golang) 6 Months Contract Inside IR35 Pay rate- 600- 750 GBP per day Inside IR35 Work mode- Remote We are looking for a passionate (Backend Engineer AI Engineer AI Agent Developer) to join the IT studio, the team responsible for advancing the digital workplace experience click apply for full job details More ❯
Employment Type: Contract
Rate: GBP 600 - 750 Daily
Posted:

Contract Front-end developer (SC Cleared)

London, UK
Spinks
with a consultancy who are looking to bring on an SC cleared front end developer to assist on a project with a public sector client. Key Skills: React TypeScript Java experience highly beneficial The successful candidate will need to have active SC clearance for this position. If you're interested in learning more about this role, please apply with your More ❯
Employment Type: Full-time
Posted:

Principal/Lead Android Engineer - Mobile Banking

London, United Kingdom
Vertus Partners
and Skills: Proven leadership and team management experience Ability to influence cross-functional teams and senior stakeholders Extensive experience building complex Android applications System design and architecture capabilities Kotlin, Java, and Jetpack Compose Experience with Agile methodologies, TDD, and CI/CD practices This is an excellent opportunity to help shape the future of digital banking and contribute to a More ❯
Employment Type: Permanent
Salary: GBP 95,000 - 120,000 Annual
Posted:

Fullstack Developer - UK (Fully REMOTE)

London, United Kingdom
Hybrid/Remote Options
Randstad Technologies Recruitment
own core login/signup capabilities for a Tier 1 Global Consumer Platform . This is a high-scale, mission-critical role demanding deep technical expertise. Must Haves: Strong Java Backend Systems experience. Proficiency with Next.js and JavaScript. Experience with High-Scale, Consumer-Facing Products. Knowledge of Kubernetes, GCP, and OAuth 2.0. This is an urgent vacancy with a deadline More ❯
Employment Type: Contract
Rate: £600 - £670/day
Posted:

Fullstack Developer - UK Fully REMOTE

London, South East, England, United Kingdom
Hybrid/Remote Options
Randstad Technologies
own core login/signup capabilities for a Tier 1 Global Consumer Platform . This is a high-scale, mission-critical role demanding deep technical expertise. Must Haves: Strong Java Backend Systems experience. Proficiency with Next.js and JavaScript. Experience with High-Scale, Consumer-Facing Products. Knowledge of Kubernetes, GCP, and OAuth 2.0. This is an urgent vacancy with a deadline More ❯
Employment Type: Contractor
Rate: £600 - £670 per day
Posted:

Senior Software Engineer

London, South East, England, United Kingdom
IPS Group
early-stage tech and comfort with rapid iteration. Ability to work with diverse stakeholders across climate, tech and insurance. Must have Insurtech OR Climate/Carbon background Experience with Java Interest in climate action and carbon-reduction science. Why it’s interesting Influence the technical direction from an early stage. Work with mission-driven colleagues. Apply engineering skills to meaningful More ❯
Employment Type: Full-Time
Salary: £85,000 - £100,000 per annum
Posted:

Backend Developer

London, United Kingdom
Hays Technology
data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/CD Proven leadership in technical strategy and mentoring What you need to do now If you're interested in this More ❯
Employment Type: Permanent
Salary: £100000 - £110000/annum £110,000 -£130,000
Posted:

Backend Developer

London, South East, England, United Kingdom
Hays Specialist Recruitment Limited
data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/CD Proven leadership in technical strategy and mentoring What you need to do now If you're interested in this More ❯
Employment Type: Full-Time
Salary: £100,000 - £110,000 per annum
Posted:

Lead Flutter developer

London, UK
Tank Recruitment
through reviews, feedback, and technical leadership What we're looking for 3+ years building and maintaining production Flutter apps at scale 5+ years in iOS and Android development (Swift, Java, Flutter) 10+ years of professional software engineering experience Deep knowledge of modern state management approaches Hands-on experience with monitoring tools (Firebase Crashlytics, Sentry, New Relic, or similar) Strong communicator More ❯
Employment Type: Full-time
Posted:

Intermediate Software Developer (Data)

London, UK
Global Relay
BI platform, such as Apache Superset, Looker, Metabase, SAP BI/SAC, MicroStrategy, Microsoft Power BI, Tableau, or Qlik. Familiarity with agile development methodologies. Nice to have Experience in Java Experience in test driven development Experience with continuous integration systems Company Benefits Private pension Bonus Full medical cover Dental care flexi working Free fruit Snacks coffee etc. 25 days holiday More ❯
Employment Type: Full-time
Posted:

Design Systems Analyst

London, South East, England, United Kingdom
Tandem Talent Ltd
computational design, environmental analysis, advanced geometry, BIM, parametric modelling, or animation. High proficiency in Rhino, Grasshopper, Revit, Dynamo, Microstation, CATIA/Digital Project, Generative Components. Programming skills: Python, C#, Java, Javascript, Processing, or VBA. Deep understanding of 3D workflows, geometry, and digital fabrication in the built environment. Strong communication, problem-solving, and team collaboration skills. Highly organised, proactive, and resilient More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Lead Mobile Developer - Flutter

London, South East, England, United Kingdom
Tank Recruitment
through reviews, feedback, and technical leadership What we're looking for 3+ years building and maintaining production Flutter apps at scale 5+ years in iOS and Android development (Swift, Java, Flutter) 10+ years of professional software engineering experience Deep knowledge of modern state management approaches Hands-on experience with monitoring tools (Firebase Crashlytics, Sentry, New Relic, or similar) Strong communicator More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

AI Engineer - London - Fintech Trading

London, United Kingdom
Transparent Technology
experienced technologists and finance professionals to deliver high-value AI solutions. Required Experience & Skills: 2+ years software development, 1-2+ years in AI/ML development. Python (mandatory), Java or TypeScript (advantageous) ML fundamentals, LLM integration, prompt engineering, RAG workflows, AI frameworks and Fine-tuning. Mindset: Self-motivated, growth-oriented, passionate about emerging AI tools. Environment: Comfortable in a More ❯
Employment Type: Permanent
Salary: £75,000
Posted:

IT Service Engineer

London, United Kingdom
ARM
SC900) qualified ideally Virtualisation (ESXI/HyperV/Virtualisation) Technologies: MS Server 2019/22, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu/HP Server and SAN More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

IT Service Engineer

Twickenham, London, St. Margarets and North Twickenham, United Kingdom
ARM
SC900) qualified ideally Virtualisation (ESXI/HyperV/Virtualisation) Technologies: MS Server 2019/22, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu/HP Server and SAN More ❯
Employment Type: Permanent
Posted:

VP of Rights

Central London, London, United Kingdom
Stats Perform
From real-time data collectors and AI specialists to elite journalists and cloud engineers, our team turns raw numbers into magic. Our tech experts work with advanced cloud solutions, Java, JavaScript, and Python, using AI and machine learning to extract insights and deliver them via APIs. Were looking for a visionary and commercially astute leader to join our Rights team More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer II, Backend - Customer Journey Product Line

London, UK
HubSpot
Someone Who Has 7+ years of backend engineering experience, ideally in a modern, cloud-based environment. Is proficient in one or more of HubSpot's backend languages and frameworks (Java, Kotlin, or similar JVM-based languages). Has experience designing and scaling distributed systems, search services, and APIs. Understands how to build reliable, observable systems that can evolve quickly and More ❯
Employment Type: Full-time
Posted:

Mid Level Software Developer (Java)

London, United Kingdom
Hybrid/Remote Options
Spyrosoft Ltd
the design, development, and deployment of high-quality software solutions. As a key member of the engineering team, you will be responsible for developing robust and scalable applications using Java , working within a Linux environment, and leveraging the power of Amazon AWS cloud infrastructure . Youll apply Test-Driven Development (TDD) or Behavior-Driven Development (BDD) principles to ensure reliability … quality code that meets business objectives. Were seeking someone who takes pride in writing clean, well-documented, and testable code, with solid experience in unit and component testing. While Java expertise is essential, familiarity with Ruby and Python will be considered an advantage. Experience or interest in video technologies and video streaming/packaging would also be beneficial. If youre … and component test experience. Desirable Skills/Knowledge/Experience Experience in Ruby and Python will be an advantage. Knowledge on video and video streaming, packaging. Tools and Technology Java Ruby Python AWS TDD Experience A degree in Computer Science, Software Engineering, or a related field or similar work-based experience. Proven experience as a Mid-Level Software Developer ideally More ❯
Employment Type: Contract
Rate: £55,000
Posted:

Java Developer

London, South East, England, United Kingdom
Lynx Recruitment Ltd
Java Developer Hybrid - 2 Days/Week in London (Victoria) | £60,000-£80,000 + Benefits | Permanent We're seeking a talented Java Developer with strong Spring Framework experience to join a high-performing team delivering large-scale, enterprise-grade applications. Key Focus Areas: Design, develop, and maintain Java-based solutions using the Spring Framework Collaborate with cross-functional teams … to deliver high-quality software Contribute to solution design, performance tuning, and code reviews Requirements: Proven experience as a Java Developer (Spring Boot/Spring Framework) Degree in IT or a business-related discipline (essential) Experience within financial services or public sector environments (beneficial) Details: Hybrid: 2 days per week onsite in London (Victoria) Salary: £60,000-£80,000 depending More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:
Java
London
10th Percentile
£57,500
25th Percentile
£75,000
Median
£101,250
75th Percentile
£130,000
90th Percentile
£142,500