1 to 25 of 59 Permanent Senior Java Developer Jobs in London

Senior Java Developer

Hiring Organisation
Synnovate
Location
London, United Kingdom
Employment Type
Permanent
Salary
£115000 - £125000/annum Hybrid Working
Senior Java Developer My customer is actively hiring a talented & eager Senior Java Developer to join their growing & dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept … deployment and beyond. This role is ideal for a passionate and seasoned Senior Java Developer looking to further their career in a challenging and rewarding environment. Role Overview You will work on in-house systems, APIs, client reporting and web portal, as well as customising our third ...

Senior Java Developer

Location
London, United Kingdom
Senior Java Developer - Digital & Public Services A growing digital consultancy delivering complex, high-impact services into the public sector is looking for a Senior Java Developer to join its engineering capability. This is an opportunity to work on meaningful projects, contributing to the development … nature of the work, candidates must either hold current SC Clearance or be eligible to obtain SC Clearance . The Role As a Senior Java Developer, you will play a key role in the design, development, and deployment of modern digital services. You will work on complex ...

Senior Java Developer

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
professionally and personally, we ensure a bright future for NTT DATA and for the people who work here.NTT DATA is currently looking for a Senior Java Developer (hybrid: remote + London, Canary Wharf) for our growing team in the UK.Summary:We are seeking an experienced Senior Java Developer with strong expertise in Spring Boot, Microservices architecture, CI/CD pipelines, and DevOps practices to design, develop, and maintain scalable, cloud-native applications.Key Responsibilities:- Develop and maintain Java (Java 8+) applications using Spring Boot.- Design and implement Microservices-based architectures.- Build ...

Senior Java Developer

Hiring Organisation
Version 1
Location
London, United Kingdom
Salary
£ 80 K
deeply embedded within our DNA. Invest in us and we’ll invest in you!. Job DescriptionWe are seeking a highly skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will have a strong background in Java development, extensive experience with … database management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs.Key Responsibilities:Design and Development: Design and development of robust, scalable, and efficient Java ...

Senior Java Developer

Location
Greater London, England, United Kingdom
delivering innovative and high-quality technology solutions while supporting the continued growth and development of our professional workforce. Role Overview: We are seeking a Senior Java Developer to join our Core Platform Team. This role is critical to building and maintaining the scalable backend infrastructure … back office system platform, ensuring it can support high-concurrency gameplay, real-time interactions, and a distributed microservices architecture. As a Senior Java Developer , you will architect and develop backend systems that power our games, player management, reporting tools, and third-party integrations. You will work closely ...

Senior Java Developer

Hiring Organisation
Global
Location
London, United Kingdom
Salary
£ 80 K
Accepting applications until: 16 October 2026Job DescriptionYour Role: Senior Java DeveloperWe’re looking for an experienced backend engineer with a passion for technical excellence and improving user experiences. You’ll join our DAX engineering team, working on our ad server platform and related products that power campaign delivery … scale. This role is based in our Holborn office with hybrid working as part of our Smart Working approach.As a Senior Java Developer at Global, you will:Work across the full lifecycle of our ad-serving products, from discovery and design through to delivery and optimisation. ...

Senior Java Analyst Developer / Technical Consultant

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Senior Java Analyst Developer/Technical Consultant105,000 Plus BensQuant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client.Our client is a global trading platform software business. Its products are used globally by most asset managers … gaps in functionality, and undertaking development to deliver functionalities (when required).Technical Consultants/Analyst Developers must have:8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using ...

Senior Fullstack Developer — Java or Kotlin, React and TypeScript

Location
Greater London, England, United Kingdom
## Senior Fullstack DeveloperJava or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation … chance to do it on a global scale and play a real role in shaping our exciting journey.**The role**As a Senior Fullstack Developer, you will be a hands-on member of a high-performing engineering squad, building and operating business-critical digital services.This is a backend ...

Senior Java Developer - Credit Risk Technology, Vice President

Location
Greater London, England, United Kingdom
Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Team Background The Derivatives Credit … Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Ideal background Core Java experience developing robust, scalable, and maintainable applications applying Object Oriented Design principles. Experience working in the Capital Markets domain. Good understanding of Derivatives ...

Senior Java Software Developer London, UK

Location
Greater London, England, United Kingdom
diverse, friendly, dynamic culture - with a focus on internal promotion and developing our people. Scope of Role ITRS Group is looking for Senior Java Engineer in London. Reporting to our Engineering Manager, you will sit in the Platform Team and form part of a wider global Engineering Team. … customer adoption through 2026. Our role offers a permanent, full-time position working from our London office on a hybrid work schedule. As a Senior Java Software Engineer, you will: Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support. ...

Senior Java Developer - Credit Risk Technology, Vice President

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
96291620192Posted: 2026-09-11Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiThe Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role … Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.Ideal background Core Java experience developing robust, scalable, and maintainable applications applying Object Oriented Design principles.Experience working in the Capital Markets domain. Good understanding of Derivatives and Risk management ...

Senior Java Developer

Location
Greater London, England, United Kingdom
Overview The Senior Java Engineer at NCG will play a pivotal role in designing and implementing high-quality software solutions within the ITES sector. This role is crucial in driving technical innovation and ensuring the robustness, performance, and scalability of applications. Collaborating with cross-functional teams, the engineer … providing exceptional IT solutions. This role offers the chance to work in a stimulating environment where innovative ideas are encouraged and valued. The Senior Java Engineer will not only apply their technical skills but also mentor junior engineers, fostering a culture of continuous learning and improvement. In this ...

Contract Senior Java Developer - Data/Marketmaking

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Contract Senior Java Developer – Data/MarketmakingOutside IR35 (6 month rolling) In office – City of LondonQuant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward … PostgreSQL. This si a growing team focused on data ingestion and building tooling for the wider firm. What you'll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the businessWrite clean, testable code with solid engineering discipline (testing, code review, debugging, production support)Maintain ...

Senior Java Developer, EFX

Hiring Organisation
Bank of America
Location
Bromley, Kent, United Kingdom
Salary
£ 80 K
Description:Job Title: Senior Java Developer, EFX Corporate Title: Up to VPLocation: BromleyCompany Overview:At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth and delivering … delivery of new 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 ...

Senior Java Developer, EFX

Location
Greater London, England, United Kingdom
Description: Job Title: Senior Java Developer, EFX Corporate Title: Up to VP Location: Bromley Company Overview: At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth … 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 ...

Senior Java Developer (AWS +Kubernetes)

Location
Greater London, England, United Kingdom
looking for an experienced Java professional to join a strategic migration program involving the modernization of existing applications onto a cloud-native technology stack. The role requires strong technical expertise, architecture understanding, and domain knowledge within booking and movement management systems. This role would suit a Senior Java Developer, Technical Lead, or Agile Technical Lead who can combine strong hands‐on engineering skills with architecture and domain understanding. Mode: This is the on‐site position, 5 days a week work from office London (Canary Warf). Responsibilities: Design and develop scalable microservices using Java ...

Senior Java Developer - Post-Trade Market Data (London)

Location
City Of London, England, United Kingdom
Morson Edge (Financial Services) in London is seeking a Senior Java Developer to join the post-trade engineering team on a contract basis. You will design and develop market data and reference data feeds, building robust Java/SpringBoot microservices and REST APIs. The role focuses ...

Senior Java Developer

Location
Greater London, England, United Kingdom
looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across the UK. This is a hands-on senior engineering role ...

Senior Java Developer — FX Trading Systems

Location
Greater London, England, United Kingdom
London Stock Exchange Group (LSEG) is seeking a Senior Java Developer to join the FX Matching Applications team in London. You will develop and improve backend services supporting FX trading, focusing on reliability, performance, and scalability. You will collaborate with engineers, product partners, and operations, taking ownership ...

Senior Java Developer – Low-Latency FX Pricing

Location
Greater London, England, United Kingdom
Bank of America in Bromley is seeking a Senior Java Developer for its fast‐paced EFX front-office team. You will build real-time pricing and auto-hedging services, review code with traders, and participate in Agile ceremonies in a high‐performance environment. You’ll work with ...

Senior Java Low Latency Developer | Electronic Trading

Location
Greater London, England, United Kingdom
Senior Java Developer | Electronic Trading | VP/Executive Director Location: London Working Pattern: Hybrid, 3 days per week in the office Salary: Up to £200,000 base + exceptional bonus (Total Compensation up to £350,000) Join one of the largest growth programmes in Electronic Trading Technology … trading platforms from the US into Europe. This is an opportunity to join a business that is actively building rather than maintaining, with multiple senior hires planned over the next 12 months. You'll work alongside experienced engineers developing the next generation of low latency electronic trading systems supporting ...

Senior Java Developer

Hiring Organisation
Luxoft
Location
London, United Kingdom
Salary
£ 80 K
This is a high-impact program in a low-latency financial environment, where system stability, performance, and correctness are critical. We are seeking a Java developer who can design and build with minimum supervision solutions for our team. The person needs to be knowledgeable on modern software development … practices including Scrums, be up to date with the latest Java tools and frameworks and be able to work with the existing team to deliver solutions. The ideal candidate will be diligent, tenacious and delivery focused with a track record of building high quality solutions that are resilient ...

Senior Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking an experienced Senior Java Engineer to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and you will have the opportunity to achieve … career goals. You will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies ...

Senior Fullstack Java Developer

Location
Greater London, England, United Kingdom
Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem … plan new features Research and suggest new mobile products, applications and protocol Qualifications/Experience Highly proficient in React, Swift or Objective C, Java for mobile development; Rails, nodejs and Angular for web development 5 to 7 years of extensive native mobile app (iOS & Android) and web app development ...

Senior Java Developer for Scalable Telecom BSS/OSS

Location
Greater London, England, United Kingdom
Cerillion in London is seeking a Senior Developer to join our Software Engineering team. You will design, develop, and deliver enhancements to Cerillion’s core BSS/OSS products, mentor juniors, and collaborate with architects and cross-functional teams to ensure robust, scalable systems. The role focuses … Java-based technologies, Spring Boot, RESTful APIs, microservices, and containerisation with Kubernetes/OpenShift, with responsibilities across Agile delivery and code quality. #J-18808-Ljbffr ...