201 to 225 of 324 Java Jobs in London

Java Developer

Hiring Organisation
Data Careers
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
Java Developer Permanent Location: Home Based Salary: £70,000 - £75,000 Skills: Java 8, Spring, Maven, Git, JUnit, Web APIs (REST/JSON and XML/SOAP), SC Clearance We are looking to recruit an SC Cleared Java Developer to join a leading technology consultancy working on the upgrade, enhancement ...

Backend Software Engineer / SRE Java JVM

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Backend Software Engineer/SRE (Java JVM) London/WFH to £110k Are you a Backend Software Engineer/SRE with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global CFD trading company that has been consistently voted … advisor to influence system design, ensuring reliability standards and driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such ...

Staff Java Engineer

Hiring Organisation
WeDo Technology Solutions Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
Role Senior Java Software Engineer Salary £80,000 to £95,000 base salary Location London Paddington Hybrid 3 days a week The Company WeDo is working with a global fintech organisation operating at significant scale within the payments space. The business builds and runs mission critical platforms responsible for safeguarding … architectural ownership, and a strong understanding of the business impact of their work, without stepping into people management. Requirements - Strong backend engineering experience using Java and Spring Boot - Proven experience working with event driven architectures and Kafka - Experience designing and operating systems in AWS environments - Exposure to services such ...

Full Stack Java Software Engineer (React.Js)

Hiring Organisation
4Square Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
Full Stack Java Software Engineer (React.Js) required for my client in London. Paying £50k-£75k. My client are a growing B2B & B2C technology company. They require a Full Stack Java Software Engineer (React.Js) to join them on a full-time basis. This role is remote but there is expectation … ideally go to the office 1 day per week in London. Required experience Java 18+ experience Spring/Spring Boot PostgreSQL or similar Maven/Gradle REST APIs Microservices React.Js Desirable: Vue.Js experience ...

Performance Test Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 430 - 434 Daily
Performance Test Engineer Duration: 12 Months Location- Remote, potential occasional travel to London UMBRELLA Only Clearance- BPSS Essential Skills & Experience Java JMeter Shell scripting JIRA Confluence Python We are looking for candidates that are always looking for creative and innovative ways to automate and improve manual processes using any tools ...

AVP Quantitative Developer

Hiring Organisation
Alexander Chapman
Location
City of London, London, United Kingdom
platforms , partnering closely with quants and traders to deliver live trading strategies across Credit, Rates, or FX . What they’re looking for: Exceptional Java engineering skills (core focus) Hands-on experience with algorithmic trading platforms Strong system-level understanding (performance, scalability, reliability) Ability to work closely with quants ...

AVP Quantitative Developer

Hiring Organisation
Alexander Chapman
Location
London Area, United Kingdom
that’s expanding a front-office team building high-performance algorithmic trading systems used in live markets. This role is ideal for a strong Java engineer with hands-on experience in algo trading platforms (Credit, Rates, or FX preferred) who wants real ownership and direct market impact. While the years ...

Android OS Engineer - AOSP | AR/VR

Hiring Organisation
Principle
Location
London, England, United Kingdom
looking for 6+ years' software engineering experience Strong background in Android internals, AOSP, frameworks or OS-level development Proficiency in C++ and Java (Kotlin is useful but not essential) Experience building or maintaining system components rather than apps Exposure to embedded, device-level or resource-constrained environments is beneficial What ...

Computing Lecturer

Hiring Organisation
Education Matters Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Computer Science or a related field A recognised teaching qualification (or willingness to work towards one) Strong technical skills, including programming/coding (Python, Java), IT systems, networks and cyber security Proficiency with the Microsoft Office suite, particularly Excel and Access; experience with MS Project is desirable Experience delivering ...

SAP Development Lead

Hiring Organisation
VIQU IT Recruitment
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
RICEFW objects. • Provide technical governance, resource planning, and task allocation across BAU and project work. • Resolve production issues through effective analysis, ABAP/JAVA debugging, and alternative solution design. • Support Agile delivery methodologies and low-code/no-code development where appropriate. • Mentor and upskill SAP developers, ensuring consistent standards ...

SAP Development Lead

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £67,000 per annum
RICEFW objects.• Provide technical governance, resource planning, and task allocation across BAU and project work.• Resolve production issues through effective analysis, ABAP/JAVA debugging, and alternative solution design.• Support Agile delivery methodologies and low-code/no-code development where appropriate.• Mentor and upskill SAP developers, ensuring consistent standards ...

Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £100,000 per annum
automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE … hearing from you. SENIOR SOFTWARE ENGINEER - DV CLEARED KEY SKILLS: SENIOR SOFTWARE ENGINEER/SENIOR SOFTWARE DEVELOPER//LEAD SOFTWARE ENGINEER/JAVA DEVELOPER/JAVA ENGINEER/LEAD SOFTWARE DEVELOPER/SENIOR SOFTWARE DEVELOPER/DV CLEARED/DV CLEARANCE/DEVELOPPED VETTING/DEVELOPED VETTED/DEEP ...

Contract Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD … SENIOR SOFTWARE ENGINEER - eDV CLEARED KEY SKILLS: SENIOR SOFTWARE ENGINEER/SENIOR SOFTWARE DEVELOPER//LEAD SOFTWARE ENGINEER/SENIOR SOFTWARE ENGINEER/JAVA DEVELOPER/JAVA ENGINEER/LEAD SOFTWARE DEVELOPER/SENIOR SOFTWARE DEVELOPER/DV CLEARED/DV CLEARANCE/DEVELOPPED VETTING/DEVELOPED VETTED/ ...

Lead Java Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Soho, London, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
Lead Java Developer | Backend | Microservices | FinTech | London | Hybrid | £140k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital euros and it’s designed to protect users from local … with partners such as Mastercard, Stripe, OpenAI to make sure they leverage latest technology in all their products.They are looking for an experienced Senior Java Developer, predominantly on version 21 with PostGres Database and Spring Boot, to help develop their rapidly growing application, by building REST APIs, Microservices and evolving ...

Lead Golang Developer Software Engineer Finance Trading London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management System Portfolio Golang Go Java AWS Kafka) required by our trading software client in London. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software … ideas into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: JavaScript and TypeScript Ag-Grid and GraphQL Python or Java Role: Lead Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates ...

REMOTE Lead Golang Developer Software Engineer Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management System Portfolio Golang Go Java AWS Kafka) required by our trading software client in London. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software … ideas into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: JavaScript and TypeScript Ag-Grid and GraphQL Python or Java Role: REMOTE Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates ...

Lead Java Developer - £85k / London

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
Senior Backend Engineer (Java)London (Hybrid – 1 day a week in the office)Salary up to £85,000I’m partnering with a well-established product-led technology company that builds high-traffic backend platforms used by large organisations operating in highly regulated markets across the UK, North America and South … seen significant growth over the last 5–6 years, with further scaling planned.This is business-critical software, reliability, accuracy and performance genuinely matter.The technology: Java, Springboot, Microservices, AWS, Kafka, CI/CD.The role goes beyond writing code, you’ll contribute to system design, architectural decisions, and long-term platform evolution.What ...

Java Software Engineer – Quant Hedge Fund (London, Hybrid)

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. … Corporate Functions. The team deal directly with business users right across the firm, taking ownership of analysis, design, architecture, and implementation, working primarily with Java, but also with Python, SQL and to a lesser extent, MATLAB. They currently have an opening for a mid-level hire in the team, with ...

Lead Software Engineer Lead (Java/Python, Cloud & AI)

Hiring Organisation
Deloitte
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
Lead Software Engineer Lead (Java/Python, Cloud & AI) Location : London (5 days in office) Duration 12 months Competitive Day Rate (Inside IR35) Key Expectations from the role: Technical leadership and architecture Delivery ownership AI/ML solution stewardship People leadership Stakeholder and product partnership Controls and governance Key Skills … Expert level proficiency in Java and/or Python. Cloud-native systems on AWS (compute, storage, networking, IAM, KMS, observability). Demonstrated success in leading teams Deep understanding of AI/ML solutions implementation, with emphasis on LLM applications and retrieval-augmented generation. Expertise in modern SDLC and DevOps ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £750 to £900 per day
Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure … PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real ...

Senior Full Stack Engineer – FX e Trading – London

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£750 - £900 per day
Trading – London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure … PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real ...

Contract Java Software Engineer Inside IR35

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Software Engineer (x2) - Java | £325 per day | Inside IR35 Start Date: ASAP End Date: 30th June 2026 Location: London (Remote, one day per week on-site) Arrangement: Hybrid/Mostly Remote We're looking for two mid-level Software Engineers to join a collaborative and forward-thinking team … supportive Agile environment that values clean code, test-driven principles, and continuous improvement. What You'll Be Doing Designing, developing, testing, and maintaining Java-based applications. Building and deploying solutions in Amazon AWS cloud environments. Contributing to a microservices-based architecture. Writing clean, testable, and well-documented code following ...

Senior Software Engineer

Hiring Organisation
Inara
Location
London Area, United Kingdom
you... A software Engineer with 5+ years experience, working with modern programming with one or more programming languages, Python and/or Golang, Java, Ruby, TypeScript etc? Experienced working on cloud platform such as AWS, Google Cloud, Azure and have a good understanding of cloud infrastructure? Experienced working with Containers … engineers that have the ability to work across a range of tooling in the following areas: Programming: with at least one language; Python, Go, Java, Ruby, TypeScript etc Cloud: Either AWS, GCP or Azure Container/Orchestration: Docker, Kubernetes IAC: Terraform, Cloud Formation, CrossPlane, Ansible (Config Mgt) CI/ ...

Software Engineer - Core Wealth

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
adoption throughout HL Digital. Contributing to technical decisions and shaping how we build our services. About You Experience building and deploying services with Java and Spring Boot. Comfort working in a cloud-native environment - Kubernetes (EKS), containers, scaling etc. An understanding of observability, using tools like Prometheus and Grafana … engineers within the team. Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS/NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/ ...

Java Developer | London/Hybrid | £100,000 - £140,000 | Growing Fintech

Hiring Organisation
Opus Recruitment Solutions
Location
City of London, London, United Kingdom
Java Developer | London/Hybrid | £100,000 - £140,000 | Java 21 | Microservices | TDD | AWS | PostgreSQL | Kubernetes | Fintech | Digital Banking Looking to join a company who are making waves within the fintech space? Want to work with the latest Java technology? I am supporting a rapidly growing fintech scaleup … backed by the same investors who backed the likes of Coinbase and Airbnb. They’re currently in growth mode and are looking for multiple Java Engineers from mid – Lead to come on board and build scalable, secure backend systems. A lot of what you will be working on will ...