1 to 25 of 54 Java Engineer Jobs in London

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Principle Java Engineer Salary to £ 7 0k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV ) clearance i.e. you have at least 5 years residency … growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a n experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public ...

Senior Java Engineer - Akka, Real-time, SpringBoot, MongoDB

Hiring Organisation
Morson Edge
Location
South West London, London, United Kingdom
Employment Type
Permanent
Senior Java Software EngineerJava 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Reactive Programming, MongoDB Payments A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought … specialises in providing high performance technology solutions to global financial institutions (including several Investment Banks), primarily to augment their payments capabilities. As a Senior Engineer, you will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack ...

Senior Java Engineer - Akka, Real-time, SpringBoot, MongoDB

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Reactive Programming, MongoDB Payments A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought ...

Senior Java Software Engineer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
Senior Java Engineer (Core Java) £115,000 - £145,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some … throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team. Key Responsibilities Design, build and maintain high-performance distributed Java services Contribute across design, development, testing, deployment and support Collaborate closely with other engineers to deliver customer-centric solutions Mentor and be mentored within ...

Senior Java Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Senior Java Engineer - Permanent Salary: 55k-65k Working Arrangement: Fully Remote Tech Stack: Java, Spring Boot and Cloud Platforms(AWS, Azure and GCP) Desirable - Python and JavaScript I am currently working with a leading software software consultancy working with the government for a Senior Java Engineer ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Java Engineer Salary to £ 45 k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency … data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for aJava Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients ...

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days per week (Tues + Wed) Start: ASAP My new client is looking for a highly skilled Senior Java Engineer to join their engineering team. The ideal … architectures, contribute to API and microservices development, and help drive best practices across the engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such ...

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 700 Daily
Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days per week (Tues + Wed) Start: ASAP My new client is looking for a highly skilled Senior Java Engineer to join their engineering team. The ideal ...

Lead Java Engineer - Low Latency, Front Office, Fixed Income, High Throughput

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Permanent
Lead Java Engineer – Low Latency, High Throughput, Front Office, LMAX Disruptor, Aeron, Real-time Streaming, SQL, Fixed Income A Lead Java Engineer with expertise in low latency, high throughput Front Office trading systems is sought after by a global Investment Bank to join their Fixed Income … real-time streaming capabilities, re-architect into a highly componentised microservices based platform, as well as long-term strategic cloud migration. As a Lead Engineer, you will have direct input into shaping this modernisation programme with regards to future-state architecture, development approach and acting as a liaison between ...

Lead Java Engineer - Low Latency, Front Office, Fixed Income, High Throughput

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Lead Java Engineer - Low Latency, High Throughput, Front Office, LMAX Disruptor, Aeron, Real-time Streaming, SQL, Fixed Income A Lead Java Engineer with expertise in low latency, high throughput Front Office trading systems is sought after by a global Investment Bank to join their Fixed Income ...

Principal Java Engineer

Hiring Organisation
Fynity
Location
City of London, London, United Kingdom
Principal Java Engineer London – Hybrid (1 day per week onsite) Are you a senior/lead hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity … near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing ...

Java Engineer

Hiring Organisation
Profile 29
Location
London, UK
Employment Type
Full-time
Java Engineer Salary to £45k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i. xxuwjjq e. you have at least 5 years residency ...

Java Software Engineer

Hiring Organisation
IC Resources
Location
London Area, United Kingdom
exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer tooling. … will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience for the Java Software Engineer includes: Desktop application development, ideally with Java UI frameworks e.g. JavaFx, Swing, Qt Object-oriented design and development Multithreaded development Desired ...

Senior Java Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Senior Java Engineer - Permanent Salary: 55k-65k Working Arrangement: Fully Remote Tech Stack: Java, Spring Boot and Cloud Platforms(AWS, Azure and GCP) Desirable - Python and JavaScript I am currently working with a leading software software consultancy working with the government for a Senior Java Engineer. … best practices in software development. Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency ...

SC Cleared Data Engineer - Java, Spring Boot, Docker

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£55 - £560 per day
Cleared Data Engineer - Java, Spring Boot, Docker Hybrid - London (2-3 days onsite) £560 per day (Inside IR35) 12-Month Contract (Initial) We're currently looking for an experienced SC Cleared Data Engineer to join a high-profile programme based in London. Please note: Active Security Clearance … essential Must have 5+ years continuous UK residency (required for clearance eligibility) Key Skills & Experience Strong experience as a Data Engineer Proficiency in Java Hands-on experience with Spring Boot Experience working with Docker/Containerisation Experience building and maintaining scalable Data Pipelines Strong understanding of Data Processing ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote We’re recruiting for experienced Java Engineers with strong experience working with Legacy Java versions (Ideally Java 8). This 6-Month contract is determined as Inside IR35 and is offered … Hybrid remote basis requiring 1/2 days per week of onsite work in Swindon or London. Key Requirements Strong commercial experience with Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful ...

Senior Java Software Engineer

Hiring Organisation
Sanderson
Location
City of London, London, United Kingdom
Senior Java Engineers — Contract - (Financial Services/Investment Management) Location: London (Hybrid – Ideally 2 Days Per Week) Engagement Type: Contract IR35 Status: Outside IR35 Day Rate: £600 - £700 Per Day (Monthly Pay) Our client is a leading UK investment management platform currently undertaking a major back-office transformation programme. … stage will be working on technically complex integration and platform problems with real impact across the business. Role Overview We are seeking multiple Senior Java Engineers to join the programme engineering team. You will be responsible for designing and delivering robust, high-performance Java services that integrate with ...

Lead Java Engineer - Rates

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum
This is a high-impact Lead Engineer role driving the transformation of a Fixed Income technology landscape. You'll play a key role in a multi-year platform modernisation programme, building real-time, high-performance applications that support critical trading workflows. This position offers the opportunity to shape architecture … tooling Participate in code reviews and technical decision-making to maintain high engineering standards Key Requirements Proven experience building high-performance applications in modern Java - Java 11,21 Experience building in low-latency and event-driven handling large, fast-moving datasets Strong understanding of distributed systems and event ...

Java Software Engineer

Hiring Organisation
Nicholson Glover
Location
London Area, United Kingdom
Java Full Stack Engineer | Consultancy (Public Sector Clients) | Up to £60k DOE Our client is a fast-growing technical consultancy known for delivering bespoke software engineering on complex, high-impact programmes across the UK public sector. Their culture is flat, collaborative, and delivery-focused. Engineers are trusted … genuinely matters. You’ll join an agile, client-embedded team delivering modern, scalable systems. Your work will include: Designing and building backend services using Java (12+) and Spring Boot Contributing to front-end development (ideally Angular, though React is welcome) Working across the full SDLC: requirements, build, test, deploy ...

SC Cleared Data Engineer - Java, Spring Boot, Docker

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 55 - 560 Daily
Cleared Data Engineer - Java, Spring Boot, Docker Hybrid - London (2-3 days onsite) £560 per day (Inside IR35) 12-Month Contract (Initial) We're currently looking for an experienced SC Cleared Data Engineer to join a high-profile programme based in London. Please note: Active Security Clearance ...

Principal AI Java Engineer Remote Cloud-Native

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
global automotive systems industry leader is seeking a Principal AI Software Engineer (Java) to work remotely on AI projects. This role requires deep expertise in Java, Spring, and AWS, with hands-on experience in production-grade AI systems. Responsibilities include implementing AI solutions and creating deployable ...

Java Software Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside ...

Backend Software Engineer Java Kafka - Tech Consultancy

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Backend Software Engineer/Developer (Java Kafka) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What … Software Engineer/Developer you will earn a highly competitive package: Salary to £90k Hybrid working (x2 days WFH per week) Pension, Life Assurance, Income Protection Private medical care for you and your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible ...

Principal AI Software Engineer - Java

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment. This role will be operating as part of a high-functioning team focused … Code, Copilot). This role is remote-working (with some occasional visits to site), and will be operating inside IR35. Requirements Deep expertise with Java/Spring/AWS Hands on production grade experience - or leastPoC forLLM's They will be creating agents and creating code that ...

Backend Java Engineer

Hiring Organisation
Alexander Mann Solutions - Contingency
Location
London, United Kingdom
Employment Type
Contract
across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Backend Java Engineer for a 6 month contract based in London (2 days per week) with remote working available (hybrid). Purpose of the role … issues. Support and oversee junior engineers and act as a subject matter expert. The skills you'll need: Solid practical and theoretical knowledge of Java software development. Strong experience of Spring Boot/Micronaut. An understanding of Kubernetes/Docker. Excellent understanding of AWS (deployment/configuration) Message-driven ...