551 to 575 of 811 Java Jobs in London

Senior Java Backend Developer East London & Essex Border, UK | £590 per day (Inside IR35 via Umbrella) | 4 Days per Week On Site We are partnering with the original line-assembly automotive manufacturer and are seeking an experienced Senior Java Backend Developer to join a small, Agile team. You'll play … colleagues, and contributing to a positive team environment. Essential Skills & Experience Excellent communication skills with a collaborative approach to delivering high-quality products. Strong Java backend development experience. Recent hands-on experience with OAuth 2.0 , including customising identity workflows. Ability to lead technical discussions, mentor team members, and explain complex ...

platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 31 July 2026 Job Description Your Role: Junior Java Developer - DAX Exchange Are you an early-career engineer who wants to build high-performance systems that power digital advertising at scale? As a Junior … Java Developer - DAX Exchange at Global, you'll join a small, focused team building performance-critical services in modern Java. You'll work on the matching engine that connects advertisers with outdoor screens and, over time, live radio and on-demand audio. You'll contribute to production code from ...

Backend Java Developer - Circa £540 per day inside ir35 - Remote with occasional travel to Croydon - 3-6 months Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment. My client is a global leading consultancy. They … hunt for a Java Developer to join a central government client of theirs click apply for full job details ...

/Senior Backend Engineer (Java) | Remote About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 75+ million customers … keeps frameworks lean and focuses on what matters: clean, maintainable code, shipped fast with TDD, DDD, and continuous integration and delivery. Our stack includes Java 17/21, GCP, Kubernetes, Grafana, Prometheus, NewRelic, PostgreSQL, Redis, Spock, jOOQ, and Flyway. Up to shape what's next in finance ...

currently partnering with a global technology leader seeking a Full Stack Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable … scalable. As a Senior Java Developer, you will provide technical guidance and mentor a team of developers, fostering technical excellence and delivering high-quality software solutions. Working in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers . ...

currently partnering with a global technology leader seeking a Full Stack Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable … scalable. As a Senior Java Developer, you will provide technical guidance and mentor a team of developers, fostering technical excellence and delivering high-quality software solutions. Working in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers . ...

currently partnering with a global technology leader seeking a Full Stack Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable … scalable. As a Senior Java Developer, you will provide technical guidance and mentor a team of developers, fostering technical excellence and delivering high-quality software solutions. Working in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers . ...

Senior Software Engineer (Rust, C++, Java, Go or Python) Software Engineering Up to £150k base + meaningful equity London Senior Software Engineer – Rust, C++, Java or Python – London – Up To £150k base + meaningful equity Are you excited by solving technically challenging problems and building mission‐critical software … engineering excellence, working closely with colleagues across AI/ML, networking, and robotics. What we’re looking for: Strong programming skills in C++, Java, Rust, or Python. A strong computer science, engineering, or technical background (degree or equivalent experience). Enthusiasm for working across a diverse tech stack and solving ...

Senior Backend Java Developer London (Hybrid – 3 Days Per Week Onsite) A financial technology company is seeking a Senior Backend Java Developer to join the team building a globally distributed electronic trading platform. The platform processes multiple billions of messages per day and supports mission-critical trading workflows for institutional … engineers, product teams and other stakeholders to deliver reliable, highly available software in a fast-moving environment. What They're Looking For Strong commercial Java development experience Experience building large, complex backend systems Strong understanding of data structures and algorithms Experience with multithreaded programming A passion for clean, maintainable code ...

Solution Architect (Java, Spring Boot, Microservices) Location: Wembley, On-site Salary: Up to £85,000 + benefits 1 stage interview (ASAP) We're looking for an experienced Solution Architect to join a high-performing technology team delivering complex, enterprise-scale platforms. This role is ideal for someone who thrives … Experience: 5+ years in Solution Architecture Strong background in e-commerce platforms or API/middleware environments Technical Expertise: Strong knowledge of Node.js, Java (Spring Boot), and PostgreSQL Ability to review and critique code as well as architectural designs Integration & Architecture: Strong experience with API-led architecture, webhooks, and event ...

Senior Backend Java Developer London (Hybrid – 3 Days Per Week Onsite) A financial technology company is seeking a Senior Backend Java Developer to join the team building a globally distributed electronic trading platform. The platform processes multiple billions of messages per day and supports mission-critical trading workflows for institutional … engineers, product teams and other stakeholders to deliver reliable, highly available software in a fast-moving environment. What They're Looking For Strong commercial Java development experience Experience building large, complex backend systems Strong understanding of data structures and algorithms Experience with multithreaded programming A passion for clean, maintainable code ...

Senior Backend Java Developer 📍 London (Hybrid – 3 Days Per Week Onsite) A financial technology company is seeking a Senior Backend Java Developer to join the team building a globally distributed electronic trading platform. The platform processes multiple billions of messages per day and supports mission-critical trading workflows for institutional … engineers, product teams and other stakeholders to deliver reliable, highly available software in a fast-moving environment. What They're Looking For Strong commercial Java development experience Experience building large, complex backend systems Strong understanding of data structures and algorithms Experience with multithreaded programming A passion for clean, maintainable code ...

Overview Senior Software Engineer (Rust, C++, Java, Go or Python) Software Engineering Up to £150k base + meaningful equity London Senior Software Engineer - Rust, C++, Java or Python - London - Up To £150k base + meaningful equity Are you excited by solving technically challenging problems and building mission critical software … engineering excellence, working closely with colleagues across AI/ML, networking, and robotics. What we're looking for Strong programming skills in C++, Java, Rust, or Python. A strong computer science, engineering, or technical background (degree or equivalent experience). Enthusiasm for working across a diverse tech stack and solving ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

Senior Software Engineer with Python and Java Our Client is looking to recruit brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We’re looking to recruit initially 2 excellent Software Engineers … very interested to see your profile. Must be 100% trustworthy with real integrity – this is a highly sensitive project. Key skills: Python, Machine Learning, Java The Client would like to see solid expertise of working with and developing complex applications with Java. Excellence is vital. Ideally have security clearance. ...

client is in the Insurance sector and is looking to grow their team with a Java Solution Architect. This is a hybrid role with 1-2 days a week in London. Client Details Our client is in the Insurance sector and is looking to grow their team with a Java … Solution Architect. This is a hybrid role with 1-2 days a week in London. Description Design and develop scalable and efficient Java-based solutions to address complex business challenges. Collaborate with cross-functional teams to understand technical requirements and translate them into practical solutions. Provide architectural guidance and ensure ...

process requirements into BPMN/DMN models .Design workflow components, service tasks, user tasks, and integration points .Develop and deploy Camunda-based microservices using Java/Spring Boot .Optimize workflow performance, reliability, and error-handling strategies .Coordinate with business analysts, developers, and QA teams .Ensure documentation, code reviews, and compliance … with standards .Hands‐on in Camunda BPM, BPMN/DMN modelling .Strong Java/Spring Boot development experience .Familiar with REST/SOAP integrations, messaging (Kafka/RabbitMQ) .Exposure to Docker, Kubernetes is a plus . ...

process requirements into BPMN/DMN models .Design workflow components, service tasks, user tasks, and integration points .Develop and deploy Camunda-based microservices using Java/Spring Boot .Optimize workflow performance, reliability, and error-handling strategies .Coordinate with business analysts, developers, and QA teams .Ensure documentation, code reviews, and compliance … with standards .Hands‐on in Camunda BPM, BPMN/DMN modelling .Strong Java/Spring Boot development experience .Familiar with REST/SOAP integrations, messaging (Kafka/RabbitMQ) .Exposure to Docker, Kubernetes is a plus . ...

process requirements into BPMN/DMN models .Design workflow components, service tasks, user tasks, and integration points .Develop and deploy Camunda-based microservices using Java/Spring Boot .Optimize workflow performance, reliability, and error-handling strategies .Coordinate with business analysts, developers, and QA teams .Ensure documentation, code reviews, and compliance … with standards .Hands‐on in Camunda BPM, BPMN/DMN modelling .Strong Java/Spring Boot development experience .Familiar with REST/SOAP integrations, messaging (Kafka/RabbitMQ) .Exposure to Docker, Kubernetes is a plus . ...

Java Electronic Trading Engineer – Front office London – Hybrid Java, Low Latency, FIX, SBE, Aeron, Linux, Docker, Kubernetes, AWS The company This is an unmissable opportunity for an experienced Java Electronic Trading Engineer to join one of the leading institutional digital asset firms in the market. With a global footprint … digital assets. What you will do Build the next generation of low-latency crypto trading systems from the ground up. Develop core server-side Java components across order management, market connectivity, low latency messaging and price distribution. Work deep in the stack — performance profiling, optimisation and tuning under live trading ...

data pipelines and services Develop batch and ELT/ETL data workflows for ingesting and processing large datasets Work with technologies such as Python, Java, Spark, SQL, and Airflow Apply good software engineering practices, including testing, documentation, and CI/CD Contribute to cloud‐based systems (AWS), focusing on reliability … working as a data or software engineer on production systems Strong skills in Python and experience with at least one backend language (such as Java) Understanding of data engineering concepts such as data lakes, batch processing, and distributed systems Experience building or operating data pipelines using tools like Spark ...

currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space. What you'll need to succeed : Strong server-side Java Development experience in a lead role working on Risk and Market Data platforms ...

Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Level: Manager Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance ...