226 to 250 of 344 Java Jobs in London

IDAM Back-end Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £535/day
IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35 : Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking … back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service ...

Web Application Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
ideal candidate will have strong expertise in modern web frameworks, Azure services, and secure application development practices. This role involves working on a Java/Spring-based platform hosted on AKS, ensuring scalability, security, and performance. Key Responsibilities: Design and develop responsive web applications using Angular , React , or Next.js with … Tailwind CSS . Implement secure authentication and authorization using Microsoft Azure AD B2C (OIDC/OAuth2, MFA). Integrate with backend services built on Java Spring Boot running on AKS . Work with Azure Database for PostgreSQL and implement RBAC + ABAC for data isolation and security. Configure and manage ...

Full Stack Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
Looking to join a company when you can make a real impact? Do you have 4+ years commercial experience developing software with Java & JavaScript? 🚀 Full Stack Engineer – SaaS Solutions 🚀 💰 Salary – up to £75k + bonus 📍 Location – hybrid working 2 days a week in modern London office I am excited … Defense, HM Treasury, and the Departments of Work & Pensions and International Trade. They are looking for a motivated Full Stack Engineer with experience with: Java Spring Boot Microservices JavaScript Frontend frameworks: they use Vue.js but are also open to React and Angular Containerisation using Docker, Kubernetes Developing cloud-native applications ...

Lead Software Developer - SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
where you'll balance technical delivery with mentoring and architectural direction. Key Responsibilities Lead the design, development, and deployment of full-stack applications using Java, React, JavaScript , and AWS . Provide technical leadership and direction to development teams. Collaborate with architects, product owners, and stakeholders to deliver secure and scalable … junior and mid-level developers. Ensure all solutions meet government and security compliance standards. Skills & Experience Essential: Active SC Clearance . Strong background in Java and React development. Proficiency with AWS and modern JavaScript frameworks. Experience leading technical teams or projects in an agile environment. Excellent problem-solving, communication ...

Solutions Architect

Hiring Organisation
SmartChoice International Limited
Location
City of London, London, United Kingdom
first strategies for scalability and resilience. Enable UI/UX modernization using Angular , React , and other front-end frameworks. Implement modernization approaches using Java , .NET , and modern frameworks (Spring Boot, .NET Core). Integrate DevSecOps pipelines , CI/CD automation , and container orchestration (Kubernetes, OpenShift). Advise on best practices … Rexx, CICS, DB2, IMS DB, IMS DC, VSAM, Adabas/Natural Experience on distributed client-server architecture systems, with proficiency in technologies such as Java , .NET , and experience with modern front-end frameworks such as Angular, React, Vue. Knowledge of cloud migration and modernization approaches and patterns on various hyperscaler ...

Senior Software Engineer (f/m/d)

Hiring Organisation
Awin
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
define how they reward publishers and manage commissions and transactions using an event-driven architecture. We use an exciting array of technologies, including Java/Spring, AWS Lambda, Kafka, NodeJS, SQL/NoSQL databases, and more. Key tasks and responsibilities Work within a small, collaborative team using agile methodologies … opportunities to gain deeper knowledge and experience within the online and affiliate marketing domain. Skills & Expertise Required At least 6 years of hands-on Java experience in commercial software engineering roles A positive, collaborative work ethic and strong sense of ownership Passion for writing elegant, maintainable code, with a solid ...

Senior EFX Java Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£90,000 - £125,000 per annum
About The Role FDM is a global business and technology consultancy seeking a senior EFX java developer to work for our client within the Financial Services sector. This is initially a 12 month contract with the potential to extend and will be a hybrid role that will be based … strategic EFX pricing and auto-hedging capabilities for FICC E-Trading for 2026. In a typical day you can expect to develop Java code, review code written by your colleagues, attend Agile ceremonies, refine requirements with users (Quantitative Strategies Group and Traders) and liaise with sibling teams in EFX (market ...

Java Developer - 9 Month FTC

Hiring Organisation
Michael Page
Location
City of London, London, Billingsgate, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
client is in the Financial Sector and is looking to hire a Java Developer for a 9 month FTC - Maternity Cover. This role is hybrid with 3 days a week in Central London. The technology team is around 50 people and you will be working in an Agile team alongside … other Software Engineers. Client Details Our client is in the Financial Sector and is looking to hire a Java Developer for a 9 month FTC - Maternity Cover. This role is hybrid with 3 days a week in Central London. The technology team is around 50 people and you will ...

Senior Java Developer x 3

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£825 - £850/day Up to £850pd Umbrella
currently working with a London-based financial services client who are actively seeking 3 Senior Java developers to assist in the development and maintenance of a business-critical system in the Equity Derivatives space. What you'll need to succeed : 10+ years' server side Java development experience. Strong commercial software ...

Java Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
London, United Kingdom
Employment Type
Contract
services listed below:- S3 Athena Glue- Lambda DynamoDB OpenSearch CloudFormation API Gateway ECS CloudWatch Programming and Core Services • Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases: Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC ...

Java Developer – Market Connectivity

Hiring Organisation
Solytics Partners
Location
City of London, London, United Kingdom
BrokerTec, MarketAxess). Configure and support FIX, streaming, and venue-specific protocols, ensuring accurate and reliable messaging. Develop high-performance, scalable services using Core Java (8/11/17) . Build and enhance components for pricing, order routing, and execution workflows. Apply low-latency, event-driven, and asynchronous design … system optimization. Collaborate with SRE/DevOps teams to improve observability, CI/CD, and deployment pipelines. Key Requirements: Strong expertise in Core Java, including concurrency, memory management, and GC tuning. Hands-on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with electronic market protocols: FIX (4.x/ ...

Senior Developer - Java/ Angular

Hiring Organisation
Hays
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
similar for code control and management Experience leading, coaching, and developing scrum teams Preferable skills: Working knowledge of Angular Working knowledge of Java Experience deploying web applications on large cloud-based service providers (e.g. AWS/Azure) and familiar with the underlying architecture Understanding of NoSQL database technologies (e.g. MongoDB ...

Junior Java Developer

Hiring Organisation
Bourne Search Ltd
Location
London Area, United Kingdom
Junior Java Developer Location: Hybrid, 3 days per week in office Sector: Financial Services/Trading Technology We are looking for a Junior Java Developer to join a team building a greenfield real-time trading application within a fast-paced front-office technology environment. This is a rare opportunity … ground up. You will work alongside experienced engineers on the design and development of high-performance backend systems, with a focus on Core Java , Kafka , and multithreaded applications . The role You will contribute to the development of a brand-new real-time trading system, helping to build core components ...

Java API Engineer – AWS – DevOps

Hiring Organisation
Vertus Partners
Location
London Area, United Kingdom
Java API Engineer – AWS – DevOps London based Hybrid I'm currently supporting a leading Bank in their search for an experienced Java API Engineer to join their flagship Digital Platform. The Digital Platform is a collaborative and high-throughput environment where you'd be responsible for the full life cycle … established team of talented Engineers in a company that have a strong emphasis on upskilling and a knowledge sharing culture. Requirements: • Strong understanding of Java and Microservices • Experience implementing AWS • Strong knowledge of DevOps - experience with CI/CD (Gitlab) • Experience dealing with highly scalable systems with high throughput • Experience ...

Full Stack Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £72000/annum
Java FullStack Developer London Based - 3 days in the office Salary up to £75K A well-established IT firm is looking for an experienced Java Full Stack Developer to join a high-profile banking client to contribute to a large-scale development project. You will join a dynamic development team … performance server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews ...

Full Stack Developer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £72,000 per annum
Java FullStack Developer London Based - 3 days in the office Salary up to £75K A well-established IT firm is looking for an experienced Java Full Stack Developer to join a high-profile banking client to contribute to a large-scale development project. You will join a dynamic development team … performance server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews ...

Network IoT Operations Engineer 12 months (Ext) - Canary Wharf

Hiring Organisation
Simon James IT Ltd
Location
London Area, United Kingdom
related engineering Experience in IoT development and integration Strong experience with Cisco SD‐Access, DNA Center and VxLAN Proficiency in C, C++, Python or Java Knowledge of MQTT, CoAP, Thread and cloud IoT platforms Solid hardware integration and troubleshooting skills Interested? If you’re ready to drive real impact ...

Global Rates - Automated Trading Strategies - Fixed Income Financing - Analyst / Associate

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
computer science, math, physics, engineering, or other quantitative fields You have relevant full-time experience You demonstrate strong programming skills in C++/Java or other object-oriented languages You demonstrate good knowledge of statistics and machine learning You have attention to detail, adaptable, driven and collaborative You demonstrate interest ...

Head of Engineering

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
product innovation are deeply embedded. You will bring the standards, pace, and technical judgement shaped in those environments, along with deep technical credibility across Java and .NET ecosystems, and the ability to guide architectural decisions without needing to be hands-on in every detail. This is also a visible leadership ...

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 ...

Junior Technical Consultant

Hiring Organisation
MARBLE MAYNE RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
where your ability to manage timelines, communicate with stakeholders, and drive technical excellence directly impacts client success and business growth. Responsibilities Work with modern Java technology stacks (Spring Boot, Java 17/21) and cloud infrastructure (AWS, Docker, Kafka) Own components or workflows from requirements through to production delivery, ensuring … technical aptitude and outstanding problem-solving ability At least a few months post-graduate work experience in a commercial role involving back-end coding (Java, Python, C++, C# etc) Experience in modern Java technology stacks useful, particularly Spring Boot Experience with cloud technologies, databases, development tools and AI coding tools ...

Senior Fullstack Developer (Java+React)

Hiring Organisation
Altimetrik
Location
City of London, London, United Kingdom
efficient applications. The ideal profile is a FullStack Developer with both backend and frontend expertise. The expected skill distribution is approximately 60% backend (Java/microservices) and 40% frontend (React), with flexibility depending on experience. Requirements : Java, Spring Boot, Microservices, Node.js, TypeScript, React. Location: London (hybrid) 🔥 We build real ...

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 ...

Senior UI React / Java developer

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£750 - £1,000 per day
This is an exciting opportunity for a Senior UI React/Java Developer to contribute to innovative projects in the Financial Services industry. The role is based in London and focuses on delivering high-quality solutions within a collaborative technology department. Client Details The client is a leading global financial … their commitment to building high-performance trading platforms that support complex, fast-moving Fixed Income markets. Description As the Senior UI React/Java Developer, you will: Lead front-end development for a new trading system within the credit space Build advanced, high-performance UI components for an eTrading platform ...

Senior/Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Active, or recently active, SC or DV clearance (essential) Strong experience delivering production systems in complex environments Depth in at least one modern language (Java, TypeScript, Python, Go etc.) Cloud/container experience and a security‐first mindset Confidence influencing technical decisions and improving teams Tech we commonly use Java ...