1 to 25 of 47 Java Engineer Jobs in London

Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work … will be working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Design, implement ...

Engineer (Java JVM) London/WFH to £110k Are you a Site Reliability Engineer with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global CFD trading company that has been consistently voted … employers. As an SRE Engineer you will collaborate with development teams, as a trusted technical advisor to influence system design, ensuring reliability standards and driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability ...

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative forward thinking … bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We're looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech stack. ...

Java Engineer Salary to £60k + 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 either SC or DV clearance. (SC) 5 years & (DV) 10 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 a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public ...

Java Engineer • Salary to £60k + 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 either SC or DV clearance. (SC) 5 years & (DV) 10 years residency … deliver citizen services. They’re growing fast and looking for bright, dynamic people to help build their business. Role They’re looking for a Java Engineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their ...

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services … modern, cloud-native environment. What you’ll be doing: Designing and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with Spring Boot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. ...

Lead Java Engineer 6 Months initial contract 3 Days per week on site in Canary Wharf £Market Rate (Inside IR35) As a Lead Java Engineer, you will be responsible for technical leadership and delivery of one or more Java and Data intensive applications that … robust technology environment with a clear appreciation of software development best practices and Agile releases trains Strong experience within server-side development in Java, SQL, Search Technologies, Messaging Technologies with a good understanding of Kubernetes, Dockers and preferably some exposure to GCP (Google Cloud Platform), ReactJS, Python, Big Data ...

Java Engineer - Contract (outside IR35) A Forex Brokerage based in London and are looking for an experienced Java Engineer with strong FIX API (server-side) expertise to join on an initial 3 month contract. This a key role working on high-performance, low-latency trading infrastructure … used in live market environments. What You'll Be Doing Design, develop, and maintain server-side Java applications for FIX connectivity Build and support FIX API integrations with liquidity providers, banks, and trading venues Optimise systems for low latency, high throughput, and reliability Collaborate closely with trading, infrastructure ...

Java Engineer 📍 Location: London (Hybrid) 💷 Compensation: Up to £160,000 + Bonus + Comprehensive Benefits 🔍 The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform . This is a hands-on role in a high-performance … where every millisecond matters. Collaborate with top-tier engineers and industry experts to tackle complex, mission-critical challenges , delivering robust, scalable solutions using Core Java . 🔧 What You’ll Be Doing 🧩 Develop high-performance systems in Java for real-time trading applications 🔄 Optimize multithreading, concurrency, and throughput ...

Java Engineer Salary to £60k + 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 or DV clearance. (SC) 5 years & (DV) 10 years residency ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role … details Title: Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role … details Title: Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base ...

Java Full Stack Engineer – Consultant/Senior Consultant Salary: £55,000 – £70,748 base plus benefits, perks, and healthcare options! Base Locations: London, Manchester, Newcastle or Glasgow (Hybrid working - operate out of any base!) Organisation: Global IT consultancy Are you a passionate Java Full Stack Engineer … engineering community where you'll work with cutting-edge technologies and deliver meaningful outcomes for clients across the UK. About the Role As a Java Full Stack Engineer, you'll be responsible for designing, building and delivering high-quality digital products that solve complex business challenges. ...

Title: Java Software Engineer Client: Elite Data Driven Hedge Fund Salary: Up to £175,000 Base (+ Bonus) Location: London/Hybrid The role: My client is looking for an experienced Java Software Engineer to join their rapidly expanding technology team. This team is responsible … platform that you will be crucial in developing. Our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a Java Software Engineer you will be tasked with designing and developing high-performance applications from scratch, harnessing our clients dedication to upholding the highest ...

Role: Senior Java Engineer Location: Osterley, UK Contract role - Inside Ir35 Hybrid work: Min 4 days from client location Experience: 10+ Start date: Immediate Key Responsibilities: Highly skilled Senior Java Developer with hands-on experience in Spring Boot, WebFlux, and Reactive Programming. Experience in optimizing application delivery … Mentor junior engineers and contribute to technical leadership across the team. Required Skills & Experience: 10+ years of professional software development experience. Strong proficiency in Java, spring boot Solid understanding of Docker Compose, Kubernetes, and Amazon EC2. Expertise in at least one major cloud platform (AWS, GCP, or Azure). ...

Director - Lead Software Engineer (Java, Equities) Location: London | Division: Investment Banking | Type: Full-time About the Role We are seeking a Director-level Lead Software Engineer to join our Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will … closely with traders, quants, and other technologists to deliver innovative solutions in a fast-paced environment. Key Responsibilities Lead the design and development of Java-based trading and risk platforms for equities. Deliver low-latency, high-throughput systems for order management and execution. Collaborate with front-office stakeholders ...

Director - Lead Software Engineer (Java, Equities) Location: London | Division: Investment Banking | Type: Full-time About the Role We are seeking a Director-level Lead Software Engineer to join our Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will … closely with traders, quants, and other technologists to deliver innovative solutions in a fast-paced environment. Key Responsibilities Lead the design and development of Java-based trading and risk platforms for equities. Deliver low-latency, high-throughput systems for order management and execution. Collaborate with front-office stakeholders ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … such as e-commerce search functionality, streaming platform logins, or other large-scale consumer-facing systems. What We’re Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

Fullstack Java Software Engineer | Climate-Tech £75,000 – £95,000 + equity Remote (UK) with optional weekly meet-ups in Central London Revenue-generating, early-stage climate-tech business Java, JavaScript, CI/CD, Cloud Platforms We're partnered with a venture-backed climate-tech insurer tackling … raised significant capital to support their insurance balance sheet, and are planning a Series A next year. They're now hiring a dedicated Software Engineer to take ownership of core platform work and integrations. You'll be trusted to design, build and improve production-grade code in a small ...

Senior Software Engineer/Developer (Java Spring Boot) London/WFH to £85k Are you a Software Engineer looking for an opportunity where you can make an impact? You could be progressing your career in a senior, hands-on role at a growing US based tech company … that provide a platform for gaming and gambling businesses to retain their customer base, as they expand their UK presence. As a Senior Software Engineer you will be instrumental in helping the company to bring all tech inhouse; you'll design and develop new features and enhancements ...

Java & Spark Engineer 12 month contract Hybrid - London (3 days per week in the office) INSIDE IR35 AM Analytics offers a scalable, ML-ready platform for rapid portfolio model development and deployment. It combines data governance, Big Data, and AI—including GenAI capabilities— to boost alpha generation, enhance … Azure-native Databricks. Responsibilities include: migrating and optimizing 500+ jobs using Databricks optimization techniques, managing 12 TB of data, tuning models for Azure with Java Spark and Delta tables, and addressing vulnerabilities through library version updates. Current Tech Stack: Python, Data Science, Gen AI (GPT, Embeddings, Document Intelligence), Java ...

Java Full Stack Engineer looking to work on cutting-edge, high-impact digital solutions? Do you want to use your expertise to help shape major transformation programmes across government and secure environments? If you're driven by innovation, value collaboration, and enjoy solving complex technical challenges … love to hear from you. Java Full Stack Engineer (DV Cleared) Consultant Level - Digital Excellence Salary: £46,330-£55,000 Base Locations: London, Manchester, Newcastle or Glasgow Organisation : Global leading IT Consulting Business (Applicants must hold active DV clearance) Are you a Java Full Stack Engineer ...

Staff Engineer/Backend Developer (Java AWS PostgreSQL) London/WFH to £120k Are you a backend focussed technologist with leadership skills? You could be progressing your career, in a senior, hands-on role at a technology driven market research company that is scaling rapidly, having raised Series … qualifications Private medical care, access to free therapy X2 days per year for volunteering Excellent career development opportunities Your role: As a Staff Engineer you will take a lead role in architecting, developing and scaling the core platform with a focus on backend engineering with Java (there ...

Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. … unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement ...

work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. Java Full Stack Engineer - Consultant/Senior Consultant Salary: £45,000-£70,748 Base locations: London, Manchester or Glasgow (Hybrid working … Organisation : Global IT Consultancy Are you a passionate Java Full Stack Engineer looking to build modern, impactful digital solutions across a range of transformation programmes? This is an opportunity to join a dynamic, fast-growing engineering community where you'll work with cutting-edge technologies and deliver meaningful ...