151 to 175 of 236 Java Jobs in London

Lead Java Modernization Engineer - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
Title: Lead Modernization Engineer Java/Node.js Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java/Node.js to join their team. Skills Solid Experience in Java development … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

Java / Cloud Technical Lead - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
Title: Java/Cloud Technical Lead - London, Wembley Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Java/Cloud Technical Lead to join their team. Skills Solid Experience in Java development … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

Java Backend Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £550/day - (Inside IR35)
Title: Java Backend Engineer No: of Positions: x4 Location: London Duration of the Assignment: 1 Year Experience required: 10+ Department/Practice: Commercial banking Start Date : 17/07/2026 Day rate: Upto £550 per day - DoE (Inside IR35) Job Purpose and primary objectives: Our client … leading UK-based financial services group who provide a wide range of banking and financial services are looking for a proven and experienced Java Backend Engineers. There is a significant migration and consolidation effort of legacy systems into microservices with the development team taking the lead on the design, build ...

Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
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 ...

Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
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 ...

Microsoft AI Engineer / Azure Artificial Intelligence Engineer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £90000/annum
solutions, including Azure OpenAI Service, Azure Cognitive Services, and Azure Machine Learning Requirements Extensive experience with Azure AI solutions, programming experience (Python, C#, or Java) This is a really interesting role and a great chance to join a team as they are really investing in their software development ...

Software Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£41000 - £50000/annum
development processes and improve delivery efficiency Coach and mentor junior team members Ensure solutions meet security, performance, and user-focused requirements Essential Skills & Experience Java & Web Technologies development experience Strong understanding of software engineering principles and system design Experience with: Systems integration Service support and live environment troubleshooting Prototyping ...

Transcat Developer (Temenos T24)

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
TDH. Experience participating in T24 upgrade and integration projects (including API integrations). Excellent understanding of T24 TAFJ running on MS SQL database. Excellent Java development skills for T24. Solid experience in T24 integration, interfacing and customisation of browser Excellent opportunity to join a great bank for the long term ...

Service Engineer (2nd Line)

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
/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 ...

Service Engineer (2nd Line)

Hiring Organisation
ARM
Location
Twickenham, London, St. Margarets and North Twickenham, United Kingdom
Employment Type
Permanent
/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 ...

Machine Learning Engineer - Search and Recommendation

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
role.Proficiency in machine learning, NLP, and deep learning algorithms, with experience using frameworks such as TensorFlow or PyTorch.Strong programming skills in Python, C++, or Java, with solid understanding of data structures and algorithms.Strong communication skills in English and Chinese, with the ability to bridge technical and business perspectives ...

Execution Strategy Quant (Cash Equities), Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
candidates with analogous experience in other areas are considered too. Strong technical and programming skills are essential, with proficiency in low latency and resilient Java or C++ required. Proficiency in Python and/or KDB+/q for tick data analytics and real‐time signal computation is highly desirable. Exposure ...

Mid-level Java Developer - Burgess Hill

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Hands on Java application design, software development and automated testing (Java 11 and higher) Intermediate knowledge of basic infrastructure technologies and components Familiarity with application containers based on spring, Vert.X or equivalent Familiarity with Cloud services including DevOps concepts and CI/CD tools Experience with Event-driven/Micro … with Test driven development and unit testing frameworks Proficient understanding of code versioning tools (Git) and build tools Maven or Gradle Role: Mid-level Java Developer(s) (10 open roles) Minimum experience: 5-years Location: roles London office (Victoria) and Burgess Hill Mandatory days per week in-office: 3 Start ...

Director, Principal Java Engineer (Investment Banking)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £170,000 per annum
within a small, high-performing team Key Requirements Strong experience building large-scale distributed systems within financial services or other regulated environments Expert-level Java engineering experience, ideally within microservices and event-driven architectures Experience with Spring Boot and modern backend engineering practices Exposure to Angular or TypeScript within full ...

Senior Java Developer

Hiring Organisation
mthree
Location
Bromley, Greater London, Bromley Town, United Kingdom
Employment Type
Permanent
Java Software Engineer Join a tier-one global financial institution undergoing a major digital transformation across its capital markets technology estate. You'll play a key role in scaling a mission-critical platform, driving architecture, performance optimisation, automation, and engineering best practice. Strong Java and distributed systems experience required. Exposure ...

Lead Data Platform Engineer (DV Clearable) - Up to £140,000

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
/CD and Continuous Deployment pipelines Take operational ownership of services, ensuring reliability and performance in production Essential Skills & Experience Strong experience in Java development, including: Core Java Spring Boot frameworks Proven experience building distributed backend systems Hands-on experience with Kafka (or similar streaming platforms) Experience with Scala ...

Java Quantitative Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Java Quantitative Developer London – Hybrid Java, Low Latency, Algo Trading, Pricing, Hedging, FX/Crypto, DeFi, AWS The company This is an unmissable opportunity for an experienced Java Quantitative Developer to join the crypto trading desk of one of the leading institutional digital asset firms in the market. With … markets. Build pricing logic and hedging frameworks that drive the desk's market making activity. Translate trader and quant ideas into efficient, production-grade Java code. Optimise existing trading systems for speed, reliability and scalability. Integrate new data sources and ensure data integrity for accurate model input. Monitor and troubleshoot ...

FS React Native Developer - Trading London Outside IR35

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day
Full-Stack Developer (React Native/Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into … deliver secure, high-performance products in a collaborative engineering environment. Required experience: 6+ years of full-stack engineering experience Strong React Native experience Strong Java backend development experience Experience building REST APIs and microservices Strong SQL/NoSQL knowledge (Postgres, MongoDB, Redis) Experience with CI/CD and deployment processes ...

MuleSoft Technical Lead: API & Cloud Integration

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London is seeking a Mulesoft Technical Lead to work on integration technologies including the MuleSoft Anypoint Platform. The ideal candidate should be proficient in Java and familiar with Agile methodologies. This role offers a competitive compensation structure and is contract-based. Experience with cloud technologies and other programming languages such ...

Tester

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £47000/annum
test specialist, you will work alongside our business analysts to understand client requirements and define and execute test scenarios. Essential Skills: Performance Testing Cucumber Java JIRA Confluence Desirable Skills: JMeter AWS Tooling UK Location & Post Code: Project expect resources to be in office a minimum of 3 days a week ...

Business Analyst London

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35
full SDLC and appreciation of front office architecture and design tradeoffs performance resiliency observability controls Technical fluency to engage engineers effectively eg Java awareness and SQL knowhow to support technical walkthroughs data analysis and troubleshooting Skills Mandatory Skills : BFS - Data Analysis, BFS - Generic Randstad Technologies is acting as an Employment ...

Senior Solutions Architect

Hiring Organisation
ARM
Location
Greenwich, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £749/day
Strong integration and architecture documentation skills Experience in either: Front Office: transport ticketing hardware (Cubic, S&B, INIT preferred) Back Office: payments, transaction processing, Java/.NET/Oracle, acquirer integrations Details Duration: 6 months (likely extension) Location: London (50% onsite, Pier Walk) Interview: 2-stage process (remote + formal ...

Java and Fidessa Developer - up to £100,000 - Hybrid

Hiring Organisation
Involved Solutions
Location
Bromley, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £100,000 per annum
title : Java and Fidessa Developer - Equities Trading Location : Bromley - Hybrid working Salary : £85,000 - £100,000 + Benefits + Bonus Start date : ASAP Working hours : 40 hours per week We are working with one of the largest global BFSI organisations, operating at scale across international markets, who are looking … experienced Java and Fidessa Developer to support and enhance their front office trading platforms. In this role, the Java and Fidessa Developer will be working in a fast-paced front office environment, supporting equities trading systems and contributing to the stability and performance of business-critical platforms. The Java ...

Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
roadmap, owns the build and maintenance of products E2E and actively pushes the codebase forward for scale. Our Tech Stack Backend and Infrastructure: Latest Java microservice, Spring Boot with Spring Cloud, DynamoDB, Terraform, Docker, AWS Fargate, Datadog, Opslevel, and TeamCity. Frontend and Mobile: TypeScript, CSS‐in‐JS (Styled Components), React … availability, reliability, and performance issues. Experience mentoring and guiding engineers with a range of experience. Strong expertise in any object‐oriented language, preferably in Java, and a desire to learn more. Perks of the job Flexible working : Spend 3 days a week with your team in our new collaborative London ...

Oracle Xstore Technical Analyst / Consultant

Hiring Organisation
Staffworx Limited
Location
London, UK
production support across multi country store environments. The role suits a hands on specialist with deep Xstore expertise who can move comfortably between configuration, Java development, integration xkybehq and live operational supp Please click on the apply button to read the full job description ...