Java Engineer Jobs in London

18 of 18 Java Engineer Jobs in London

Senior Java Software Engineer / Team Lead

City of London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Senior Java Software Engineer/Team Lead (FX Trading) London to £135k Do you have advanced Java technical knowledge combined with team leadership skills and a strong knowledge of Capital Markets? You could be progressing your career at the Investment Management arm of a global bank. As a Senior Java Software Engineer/Team Lead … you will head up a small, globally distributed team responsible for writing production quality Java code used for pricing and hedging FX instruments and overseeing the algorithms' performance intraday. You'll spearhead a project to modernise the FX Risk and post-trade platform to a modern microservices environment, collaborating with the business and providing technical guidance, code reviews and … Location/WFH: You'll be based in the London office and have flexibility to work from home once a week. About you: You have a deep knowledge of Java including multithreading You have team leadership experience, including technical project leadership, code reviews, 1-2-1s, developing others You have experience in a Capital Markets environment, FX preferred More ❯
Employment Type: Full-Time
Salary: £100,000 - £135,000 per annum
Posted:

Java Low level/ Low latency Engineer

London, United Kingdom
Hybrid / WFH Options
McGregor Boyall Associates Limited
Senior Java Engineer - Low-Level Systems | High-Performance Architecture | Hybrid London I'm working with a leading financial technology organisation building ultra-low latency systems at scale, and we're looking for a Senior Java Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team … operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . ?? What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Java Building and refining core components of a proprietary event-driven framework Working closely with architects, FPGA and infrastructure engineers to optimise performance across the stack Developing systems with a … focus on resilience, fault-tolerance, and scalability Driving performance improvements with hardware-aware optimisations and kernel-bypass techniques ?? What We're Looking For: Deep understanding of systems-level programming (Java and/or Rust, C, C++) Experience with manual memory management , concurrency , and multithreading Familiarity with Linux internals , system calls, and networking Bonus points for experience with: Kernel bypass More ❯
Employment Type: Permanent
Posted:

Java Software Engineer

London, South East, England, United Kingdom
Sanderson
Java Software Engineer £55,000-£70,000/annum Once every two weeks on client site - likely London SC position - UK Eyes Only Sanderson Government and Defence are working alongside a growing, exciting consultancy business who have recently won several exciting new projects in the UK public sector. They are a highly flexible business, with the only on … across a number of different projects, we are relatively open minded, however there are a few essentials. You must have 4+ years experience, and be capable with the following: Java Spring ecosystem AWS Cloud Microservices React (optional) Towards the upper end of the salary banding, we would also expect experience in mentoring, willingness and experience engaging with clients, and More ❯
Employment Type: Full-Time
Salary: £55,000 - £70,000 per annum
Posted:

Staff Software Engineer Java Kotlin AWS

East London, London, United Kingdom
Hybrid / WFH Options
Client Server
Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve … social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot … liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems from More ❯
Employment Type: Permanent, Work From Home
Posted:

Staff Software Engineer Java Kotlin AWS

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient … social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Staff Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot … liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems from More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:

Backend Software Engineer Java Kotlin AWS in London - client server

London, United Kingdom
Hybrid / WFH Options
Java Script Works
Introduction In this role, you will have the autonomy to choose the right tool for the job and introduce emerging technologies. Technologies: API AWS Backend Java JavaScript Kotlin PostgreSQL Python React SQL Web Cloud More: As a hybrid WFH Backend Software Engineer/Developer (Java Kotlin AWS), I will be working on a Tech Salary … per year Requirements: Strong Java and Kotlin serverside development experience Good knowledge of AWS Experience of technically leading projects and mentoring others Good knowledge of SQL, PostgreSQL ideally Collaborative and keen to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java engineer Consultancy background preferred £95k - London

London, South East, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Senior Java Engineers | £95k – London Java, Springboot, TDD, Microservices, Python I’m working with one of the UK’s most exciting tech consultancies, a company that’s quietly making waves across healthcare, finance, retail, and government sector by solving complex problems with clean, scalable software. Recently ranked as the fastest-growing tech firm and recognised nationally for its … From cloud-native platforms and secure data pipelines to legacy modernisation and high-volume transactional systems, the work is varied, meaningful, and built to last.They’re looking for Senior Java engineers who are super passionate about their code, enthusiastic about learning new technologies & are true leaders in their field. You’ll be working with modern stacks, cloud infrastructure, and More ❯
Employment Type: Full-Time
Salary: £75,000 - £95,000 per annum
Posted:

Senior Java engineer Consultancy background preferred £95k - London

London, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Senior Java Engineers £95k - London Java, Springboot, TDD, Microservices, Python I'm working with one of the UK's most exciting tech consultancies, a company that's quietly making waves across healthcare, finance, retail, and government sector by solving complex problems with clean, scalable software. Recently ranked as the fastest-growing tech firm and recognised nationally for its … cloud-native platforms and secure data pipelines to legacy modernisation and high-volume transactional systems, the work is varied, meaningful, and built to last. They're looking for Senior Java engineers who are super passionate about their code, enthusiastic about learning new technologies & are true leaders in their field. You'll be working with modern stacks, cloud infrastructure, and More ❯
Employment Type: Permanent
Salary: GBP 95,000 Annual
Posted:

Senior Software Engineer- Java

London, United Kingdom
Civica
years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration. Why You'll Love This Opportunity as a Senior Software Engineer at Civica As a Senior Backend Software Engineer, you will play a critical role in designing, developing, and maintaining functionality of one of our flagship products. You will … highly disciplined software engineering environment. Proficiency in writing high-quality, readable, and maintainable code using Java. Experience designing and building RESTful APIs, modular services, and event-driven systems in Java (Spring Boot, Spring Cloud). Familiarity with cloud platforms (AWS preferred; Azure or Google Cloud Platform acceptable), containerisation tools (Docker), and orchestration frameworks (Kubernetes). Experience working with relational More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Software Engineer - multiple levels

London, South East, England, United Kingdom
Hybrid / WFH Options
Sanderson
Java Software Engineer £50,000-£75,000/annum Fully Remote SC position - Clearable Sanderson Government and Defence are working alongside a growing, exciting consultancy business who have recently won several exciting new projects in the UK public sector. They are a highly flexible business, with fully remote working available. Technically, as you could end up working across … a number of different projects, we are relatively open minded, however there are a few essentials. You must have 4+ years experience, and be capable with the following: Java Spring ecosystem AWS Cloud Microservices Towards the upper end of the salary banding, we would also expect experience in mentoring, willingness and experience engaging with clients, up to team leadership More ❯
Employment Type: Full-Time
Salary: £50,000 - £75,000 per annum
Posted:

Software Engineer,Java,Secruity,Hybrid

London, South East, England, United Kingdom
Hybrid / WFH Options
Sanderson
Software Engineer London/Hybrid(2-3 days)100-130k Our client, a leading global financial organisation, is seeking a Software Engineer to design, develop, and enhance software solutions using various engineering practices. This role supports the delivery of business, platform, and technology capabilities for both customers and internal teams. A Java background within financial services … SCA, and possession-based authentication. ForgeRock or equivalent IAM platform experience, including development with PingGateway, PingAM, PingIDM, and PingDS, using JavaScript for scripted routes and authentication trees. Proficient in Java or JavaScript with experience designing extensible IAM APIs for seamless integration. Skilled in building PingAM custom authentication trees with API integration to threat sensors (e.g., ThreatMetrix, BioCatch), adaptive/ More ❯
Employment Type: Full-Time
Salary: £100,000 - £130,000 per annum
Posted:

Senior Java Engineer with Technical Ownership

London, United Kingdom
Us Bank
latest technology. As part of our team, you can explore what motivates and energizes your career goals: partnering with our customers, our communities, and each other. Job Description Senior Java Developer with Technical Ownership Partnering with key technical and business stakeholders, the agile developer will help refine the product vision, estimate, design and build a solution before supporting it … for the platform and active development on it. Responsibilities/Qualities Experience working in large organisations with demonstrableskills of cross team collaboration Recent experience in product and compliance management Java - Extensive experience working with both large enterprise monolithic applications and modern cloud, micro service platforms Spring Boot, Spring MVC, JSP, Dropwizard, Maven, Gradle, Tomcat, Jetty, Junit, Mockito Microsoft SQL More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Engineer - AWS/Java

City of London, London, England, United Kingdom
Hybrid / WFH Options
Xpertise Recruitment Ltd
Senior Engineer - AWS/Javs | Up to £85,000 + 30% Bonus + Enhanced Pension | Hybrid (1 Day/Week in London) Join a major UK financial services organisation that's investing heavily in cloud-native platforms and modern engineering practices. With millions of customers and a reputation for innovation, this company is transforming how it delivers digital experiences … maintainability Driving Agile delivery and mentoring junior engineers Sharing insights and innovations across the wider tech community Tech You'll Work With: AWS (SDK, CDK, Lambda, Step Functions) Node.js Java (Spring Boot) Terraform/CloudFormation SQL, GraphQL Postgres, DynamoDB (nice to have) Kubernetes, GitHub Actions, Quarkus (nice to have) What You'll Bring: Proven experience building distributed systems and More ❯
Employment Type: Full-Time
Salary: £70,000 - £85,000 per annum
Posted:

Senior Java Engineer

London, United Kingdom
Pacific Asset Management, LLC
and we expect our leaders to flex where they work based on the needs of the company and their teams. The Role We are looking for a Senior Software Engineer to join us to help us build, enhance and scale our Protection Platform product. The Protection Platform lives within a modern tech ecosystem: Hosted entirely in the cloud (AWS … utilising products such as EKS, RDS, DynamoDB, EventBridge and S3. All our applications are JVM based with the majority running on Java 21. We're in the process of moving our backend services to Spring Boot. We've invested heavily in our DataDog integration to bring world class observability and monitoring to our systems. We've recently moved to … through code reviews, pairing, and knowledge sharing-helping to foster a culture of learning and ownership. What type of person fits the role You're a well-rounded software engineer who sees writing code as just one part of building great software. You care about solving real problems, not just shipping features, and you think critically about the trade More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Intermediate Java Engineer

London, United Kingdom
Hybrid / WFH Options
GenTrack
in accordance with our Sustainability Charter. Utilise our sustainability app by taking part in challenges and improving behaviours to be more sustainable. The Role This opportunity for an Intermediate Java Developer at Gentrack will allow you to continue to develop your Java skillset in an energising and supportive environment. You will join an Agile scrum team working on … improvements What we're looking for (you don't need to be a guru at all, we're looking forward to coaching and collaborating with you): 3+ years commercial Java software development experience Working knowledge of Agile Proficiency in relevant technologies and concepts including Object Oriented Design, Java or .Net experience, AWS, and SQL Databases Knowledge of, or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Web Solutions Engineer with Java & Kotlin

City, London, United Kingdom
Harvey Nash
Job Title: Web Solutions Engineer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver full … minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate … with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled full stack web solutions. Microservice More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Web Solutions Engineer with Java & Kotlin

West End, London, United Kingdom
Harvey Nash
Job Title: Web Solutions Engineer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver full … minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate … with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled full stack web solutions. Microservice More ❯
Employment Type: Contract
Posted:

Web Solutions Engineer with Java & Kotlin

South West London, London, England, United Kingdom
Harvey Nash
Job Title: Web Solutions Engineer/Full Stack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver full … minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate … with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled full stack web solutions. Microservice More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:
Java Engineer
London
10th Percentile
£78,750
25th Percentile
£102,500
Median
£110,000
75th Percentile
£135,000
90th Percentile
£137,500