22 of 22 Java Software Engineer Jobs in London

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. You’ll work closely with UX specialists, hardware teams, and software engineers to build polished internal tools that power advanced hardware configuration and tuning workflows. You will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience ...

Lead Software Engineer - Java Have you got experience in setting technical vision, influencing system design, and guiding teams in delivering secure, scalable, and high-performing services? In this role, you will focus on technical leadership with mentoring others, driving engineering excellence, and ensuring the backend strategy aligns … backend discipline across teams. Lead design sessions, code reviews, and collaborative technical discussions. Skills & Experience Proven experience as a senior or lead backend engineer with Java (11+) and Spring Boot. Expertise in designing and leading backend architectures for complex systems. Strong understanding of AWS, Kubernetes, and modern microservice ...

Staff Software Engineer/Developer (Java JVM Kotlin AWS React) Hybrid WFH to £120k 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 … 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 ...

Senior Java Software Engineer – Commodities Trading - London - Permanent I’m currently partnering with a leading global commodities trading firm undergoing a major transformation of its trading technology landscape, and they are looking for a Senior Software Engineer to join their ETRM journey. This … play a key part in a large-scale migration from a legacy ETRM platform to a new, modern trading platform. Responsibilities: Building Java-based services and integrations across the ETRM ecosystem Driving the migration from a legacy commodities trading platform to a new one Integrating trading, pipeline, and post ...

Backend Software Engineer | High-Growth HealthTech Scale-Up | London (Hybrid) We are working with a fast-growing digital healthcare platform. This is a rare opportunity to join a company where engineering genuinely shapes product, and where the work has measurable real-world impact at scale. The Role … Backend Software Engineer joining a collaborative, Agile engineering team, working across a portfolio of market-leading consumer health products. Every engineer here has meaningful ownership from day one. Day-to-day you'll be designing, building and testing new features, partnering closely with product and design, mentoring ...

Staff Software Engineer/Developer (Java JVM Kotlin AWS React) Hybrid WFH to £120k 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 ...

Role: Software Engineer (Java) Level: Associate Manager and Specialist Location: London, Bristol, Manchester and Birmingham Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address ...

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. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business ...

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement. … work in multidisciplinary teams delivering secure, reliable and scalable systems. The role is hands-on and focused on building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. ...

Role: Software Engineer (Java) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: Java as a main language This firm is an elite fintech company with exceptionally high standards, renowned for building cutting ...

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and coding standards, and collaborating with product managers and other stakeholders to deliver high-quality products for the financial services industry. Key responsibilities include coding, debugging, and maintaining applications, conducting code reviews, troubleshooting complex technical issues ...

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 ...

Staff Engineer (Java) We've been retained exclusively by a Series C fintech that's quietly become one of the most technically ambitious firms in the London market. They're not looking to fill a seat - they need someone who fundamentally raises the ceiling for the engineers around … cross-cutting problems and deliver well-reasoned, robust solutions at pace Champion reliability, observability, and security as first-class concerns — not afterthoughts Tech stack Java 21 Spring Boot Kafka PostgreSQL Kubernetes AWS gRPC Terraform Datadog OpenTelemetry What they're looking for Deep Java expertise - you've shipped high ...

Senior Software Engineer (JVM based ecosystem/Backend leaning) £90,000 – £120,000 | London (Hybrid – 3 days in office) The Opportunity We’re partnered with a scaling, venture-backed SaaS business delivering a mobile-first platform used by large distributed workforces across global enterprise organisations. This … workflows, and integrate workplace tools into a single platform used by large global enterprises. Customers include large brands operating at significant scale, meaning the software is used daily by large, distributed user bases. The Engineering Environment & Culture You’ll be joining a company of around 130 people in total ...

Senior Lead Software Engineer at JPMorgan Chase within the Commercial and Investment Bank, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions … across multiple technical areas within various business functions in support of the firm’s business objectives. Job responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Creates secure and high-quality production ...

Senior Java/Kotlin Engineer (Kafka + AWS) Hybrid – London (3 days onsite/2 days WFH) Salary: £85,000 – £95,000 About the role We’re looking for a Senior Java/Kotlin Engineer who loves building real products used by real customers. … problems, and wants to shape both technical direction and product outcomes. What you’ll be doing Designing and building high-scale backend services in Java and Kotlin Developing event-driven microservices using Kafka Building and operating systems on AWS cloud infrastructure Working closely with Product, Design, and Data teams ...

Overview We are seeking a Senior Java Developer to join a regulated banking environment in London. You will work on cloud-native services using a modern Java stack, contributing to secure, resilient platforms that support critical banking products. Key Details Location: London, Greater London, United Kingdom Rate … Contract: Minimum 6 months, high potential to extend Work pattern: 2 days per week, onsite Responsibilities Design, build and maintain Java microservices and APIs using Spring Boot. Own delivery end-to-end: requirements clarification, implementation, testing, deployment and support. Improve engineering practices, code quality, observability and operational resilience. Work ...

Location: London, London, United Kingdom Rate: £600 per day Contract type: Contract We are seeking a Senior Java Developer to join a modern engineering team building high-performance, cloud-native services. You will take ownership of backend design and delivery, mentor engineers, and help elevate engineering standards. … understands the newest features, and can coach others to use it safely and effectively. Key Responsibilities Design, build, and optimise microservices and APIs using Java 21 . Drive best practice in code quality, testing, secure coding, and performance tuning. Build and integrate with NoSQL data stores and event-driven ...

Senior/Lead Backend Engineers - Greenfield Fintech Location: London Salary: £95,000 - £140,000 + bonus Would you like to take your software engineering career to the next level and be part of something truly special? If the answer is yes, then please read on. Our client is expanding … cloud-native systems using modern engineering practices. The environment is data-driven, product-focused, and centred around delivering real value to customers. Tech environment Java/Kotlin (JVM ecosystem) Microservices architecture Cloud-native (AWS/GCP) Spring/Spring Boot Docker & Kubernetes Messaging & streaming technologies Distributed tracing and observability ...

Summary Role: JavaFullStackDeveloper(Java+React+GenAI) Location: London(Hybrid) Type: Permanent Skills: Java, Spring Boot, Microservices React.js Docker, Kubernetes Terraform/CloudFormation Kafka/MQ Datadog/AppDynamics/Dynatrace Gen AI (nice to have ...

Software Engineers - Java/AWS (Mid to Lead Level) Location: London Type: Permanent Working Pattern: 4xFlex, 37.5 hours per week We are currently working with a client in the Aerospace & Defence sector who are expanding their London-based team and are looking to hire Software Engineers (Java … currently hold this, support will be provided throughout the application process. The Role: You will work under the guidance of a Software Engineering Lead or, at senior level, take on additional responsibility for technical delivery and supporting wider engineering activities. You may specialise in a particular area or work ...

Leading institutional crypto trading firm who are growing their team in London and are looking for a new Java developer to work on stablecoins. The role covers from architecture to low-level development and is a unique opportunity to make an impact in a business that is projected … main player in the space. Requirements: 8+ years of hands-on experience developing in trading systems using Java Prior experience with Crypto is a requirement Strong preference for prior stablecoins experience Salary depends on experience. ...