Java Jobs in London

151 to 175 of 293 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 Java Software Developer - FTC [UK]

West London, London, United Kingdom
Hybrid/Remote Options
Spyrosoft Ltd
you. Key Skills and Responsibilities Essential Skills: You will have: Excellent communicator and ability to work collaboratively in a team environment. Expertise in a mainstream object-oriented programming language: Java and Python are a must have. Experience in building cloud-native, resilient, scalable systems. Test-driven development practices (TDD, BDD, etc.). Developing using CI pipelines and best practices, including … practices, and agile methodologies. Pair Programming experience Expertise in developing for non-functional concerns: integration with monitoring and alerting tools, security tools, and practices GitHub Tools/Technologies AWS Java Python Pair Programming Experience A degree in Computer Science, Software Engineering, or a related field or similar work based experience. Proven experience as a Senior Software Engineer ideally with a More ❯
Employment Type: Permanent
Salary: £70,000
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:

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:

Power Systems Engineer

City of London, London, United Kingdom
Vallum Associates Limited
Work experience in customizing and delivering Energy Management Systems Should have worked on Power Systems applications for Distribution (VVC (Volt VAR Control, Automatic Feeder Rate etc) Experience with C++, Java, SQL or other related language. Experience with LINUX and Windows Operating Systems Design, implement, and optimize ADMS solutions to meet business needs and improve operational efficiency. More ❯
Employment Type: Contract
Rate: Up to £550 per day Inside IR35
Posted:

Power Systems Engineer

london, south east england, united kingdom
Vallum Associates Limited
Work experience in customizing and delivering Energy Management Systems Should have worked on Power Systems applications for Distribution (VVC (Volt VAR Control, Automatic Feeder Rate etc) Experience with C++, Java, SQL or other related language. Experience with LINUX and Windows Operating Systems Design, implement, and optimize ADMS solutions to meet business needs and improve operational efficiency. JBRP1_UKTJ More ❯
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:

Sports Trading Quantitative Analyst

City of London, London, United Kingdom
Spectrum It Recruitment Limited
an office-based role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science An interest in sports More ❯
Employment Type: Permanent
Posted:

Sports Trading Quantitative Analyst

London, South East, England, United Kingdom
Spectrum IT Recruitment
an office-based role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science An interest in sports More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
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:

Forward Deployed Engineer - Early-Stage AI Start-Up - London

London, UK
Oho Group Ltd
You are an exceptional, language agnostic engineer with strong communication skills who thrives in customer-facing environments. About you: 1-5 years of Software Development in Python, Go, TypeScript, Java, Rust or C++ Comfortable working across the stack Exceptional communication skills Customer-obsessed: you enjoy being in the room, asking questions, and solving real-world problems Excel where speed and More ❯
Employment Type: Full-time
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:
Java
London
10th Percentile
£57,500
25th Percentile
£75,000
Median
£100,000
75th Percentile
£130,000
90th Percentile
£142,500