slough, south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a JavaEngineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a JavaEngineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯
Senior Software Engineer - 6 Month Contract Start Date: ASAP Rate: Market rates, outside ir35 Contract Length: 6 months Location: Manchester, hybrid Key Responsibilities Design, build, and maintain scalable backend services using Java, aligning with best practices for performance, reliability, and maintainability. Work with containerisation/orchestration technologies (Kubernetes) to deploy, manage, and scale services. Develop and maintain systems … code reviews. Collaborate cross-functionally with architects, DevOps/SRE, QA to define technical roadmap, troubleshoot production issues, and ensure observability. Essential Skills & Experience Strong and proven experience in Java, Spring Boot, in enterprise-scale backend systems. Hands-on experience with Kubernetes, deploying microservices in production. Solid working knowledge of Cloud Platforms, including networking, storage, services like GKE, Pub More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Adecco
Senior Software Engineer - 6 Month Contract Start Date: ASAP Rate: Market rates, outside ir35 Contract Length: 6 months Location: Manchester, hybrid Key Responsibilities Design, build, and maintain scalable backend services using Java, aligning with best practices for performance, reliability, and maintainability. Work with containerisation/orchestration technologies (Kubernetes) to deploy, manage, and scale services. Develop and maintain systems … code reviews. Collaborate cross-functionally with architects, DevOps/SRE, QA to define technical roadmap, troubleshoot production issues, and ensure observability. Essential Skills & Experience Strong and proven experience in Java, Spring Boot, in enterprise-scale backend systems. Hands-on experience with Kubernetes, deploying microservices in production. Solid working knowledge of Cloud Platforms, including networking, storage, services like GKE, Pub More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Staff Software Engineer/Developer (Java Kotlin AWS React) 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 ❯
Java Developer – High-Performance Trading Systems - Fully Remote - up to £100k base About the Company We’re a fast-growing proprietary trading firm operating across multiple global cryptocurrency exchanges. Founded by a team with deep experience in financial markets and algorithmic trading, we’ve already achieved top-tier market-maker status, handling trading volumes exceeding $100M per month — all … within our first six months of operation. About the Role We’re looking for a talented Java Developer to join our small, high-performing engineering team. You’ll play a key role in expanding our trading infrastructure, integrating new exchanges, and building scalable, low-latency systems that power our trading strategies. This is an opportunity to work on cutting … edge systems in a start-up environment where your work has a direct and measurable impact. Key Responsibilities Develop and maintain high-performance backend services in Java Deploy code to production frequently in a fast-paced, agile environment Build scalable, event-driven systems handling large volumes of real-time data Take ownership of your code — from design through deployment More ❯
Birmingham, England, United Kingdom Hybrid / WFH Options
Capgemini Engineering
Software Engineer Permanent - 3 days on site Birmingham £50,000 - £60,000 Diagnostics Software Engineer Team/Reporting Line Based within the Diagnostics Engineering team and reporting directly to the Diagnostics Manager. Role Purpose To support the development, testing, and validation of diagnostic tools used in both dealer workshops and engineering environments. This role is essential to ensuring … working cross-functionally with multiple teams. – Proficient with Git or other version control systems. - Strong problem-solving and analytical skills. - Effective communication skills and ability to work collaboratively. Desirable: - Java development skills. - Prior experience working with diagnostic tools at an OEM or Tier 1 supplier. Qualifications Degree in Software Engineering, Computer Science, Automotive Engineering, or equivalent experience. Location & Working More ❯
moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Let's go! Your Mission As a Software Engineer at Bitpanda, you will have the opportunity to join one of several teams that build and maintain the back end systems that keep Bitpanda running - you could work within … conceptual challenges, integrate with 3rd party vendors and interface and collaborate with many other Engineers and teams within Bitpanda. Aufgaben Design and develop scalable, resilient, message-driven services using Java Write clean and correct code with high test coverage and extensive unit testing deployed into event driven microservices architecture Contribute to conversational development, disseminating information to the rest of … reliability, performance, scalability and maintainability Build strong relationships with cross functional teams and be happy discussing topics and challenges Profil Solid knowledge and experience of software development using modern Java frameworks such as Spring Boot and Micronaut with Java 21+ as your main programming language. Track record with both relational and non-relational databases, preferably Postgres and MongoDB. More ❯
Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Quant Capital
Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Quant Capital
Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯
Nottingham, England, United Kingdom Hybrid / WFH Options
UST
Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self-organized … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯
derby, midlands, united kingdom Hybrid / WFH Options
UST
Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self-organized … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯
mansfield, midlands, united kingdom Hybrid / WFH Options
UST
Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self-organized … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Quant Capital
Mid-Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 5-7 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Quant Capital
Mid-Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 5-7 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Quant Capital
Mid-Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 5-7 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯
New Java role - Fully remote (UK) - Trading/Crypto We have a new Java role for a proprietary trading firm aiming to become part of one of the world’s leading Institutional Market-Makers across Cryptocurrency Exchanges. The founding team have a background in financial markets and sports data. They are seeking roughly 2+ years experience with Java … to build the trading volume. From there you will have the opportunity to push the company forward, having input in the ongoing development. Key Responsibilities Develop backend services using Java Deploy code to production daily Ensure quality of codebase is maintained and improved and follow best development practices Write it, own it - You will be responsible for maintaining the … software you write Qualifications, Skills & Experience Degree in STEM subject or equivalent software development experience 2+ years Java programming experience Experience with message passing technologies, in particular Aeron, SBE. Familiar with event driven design patterns and micro service architecture You’ve worked on large scale, distributed systems that operate with large volumes of data. An advocate of engineering best More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Meritus Talent
MERITUS Talent are working with one of the World's largest aerospace organisations for the recruitment of a Java Software Engineer to join their office in Newcastle on an initial 12 Month contract basis. The role requires someone to either hold or be eligible for Security Clearance, and is paying £55 per hour via Umbrella. Hybrid working is … available, with the candidate expected onsite 3 days a week Overview An excellent opportunity has arisen for a Software Engineer to join a collaborative Agile Scrum team, developing innovative geospatial software using the latest cloud-based technologies .You'll be involved in the full software development lifecycle - from design and development through to testing and deployment - delivering robust, scalable … and high-performing cloud-based services. Key Responsibilities Develop high-quality, maintainable, and scalable code using Java and related technologies. Build reusable patterns and introduce innovations to improve development efficiency and team velocity. Contribute to quality assurance through the creation of unit and automated tests . Conduct design and code reviews , ensuring compliance with security, scalability, and maintainability standards. More ❯
Abingdon, Oxfordshire, United Kingdom Hybrid / WFH Options
Halliburton
around the world Qualifications & Experience Essential Attributes: 4+ years of experience in Software development of complex applications. Excellent understanding of design principles and considerations, best practice 4+ years of Java and C++ development experience History of applying best practices, code reviews and quality checks Familiarity with build pipeline tools and technologies such as Gitlab Must be self-motivated but More ❯
Reston, Virginia, United States Hybrid / WFH Options
ICF
doesn't happen by accident. It takes the right team of people, working together on the right solutions for the customer. We are looking for a seasoned Senior Software Engineer who will be a key driver to make this happen. Our team supports the vision to improve patient quality care and consumer decision-making by hospital providers across the … cloud-based infrastructure, our dynamic work environment involves multiple project teams collaborating toward a common vision of delivering an integrated solution. The Work We are seeking a Senior Software Engineer to join our dynamic team. In this role, you will be responsible for working with a team of engineers and building enterprise-level backend solutions using a variety of … technologies. You will be working with JavaScript, Java, Spring Boot and OpenAPI to develop robust and scalable applications that support the Centers for Medicare and Medicaid Services (CMS). Your responsibilities will also include leveraging AWS cloud technologies to manage large datasets and create efficient data pipelines. You will be expected to design, develop, test, and deploy JavaMore ❯
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom Hybrid / WFH Options
Morson Talent
The Software Engineer will be working on innovative Geospatial software, using the latest cloud-based technologies. The engineer will be involved in every stage of the software development lifecycle, from initial design through development, testing, and deployment, delivering robust, scalable cloud-based services. The role can be based out of our clients Newcastle or Guildford office. Flexible working … to be in the office 3 days a week, with the opportunity to work 2 days from home. Responsibilities • Develop high-quality, readable, scalable and easily maintained code, using Java and related technologies, meeting requirements and coding standards. • Develop reusable patterns and encourage innovation that will enhance team velocity. • Contribute to quality assurance by writing unit and automated tests. … planning, reviews, and daily stand-ups in a true Agile environment, contributing to agile based estimating. • Work with the scrum team to meet the sprint commitments Skill Set Essential • Java • Cloud Services development • Unit testing Desirable • DevSecOps awareness using tools such as Tekton, ArgoCD, SonarQube • Red Hat Openshift container platform or Kubernetes • Quarkus Framework • Front end development using Angular More ❯
challenges? Are you keen to see your work making a real positive impact on UK citizens’ lives? If so, join our Central Government business here at CGI as a Java Software Engineer. We deliver projects that enhance services, transform organisations, and ultimately make everyday life easier for people. At CGI, you’ll be part of a collaborative and supportive … NSV) to Security Check (SC) level as a minimum upon application to be considered for this role. Your future duties and responsibilities When you join our team as a Java Software Engineer, you will work on programmes that make a real difference to citizens’ lives across the UK. Day-to-day, you will: • Work within a collaborative team … on the design and development of secure, high-quality Java-based systems. • Write clean, efficient, and well-documented Java code, conduct unit testing, and follow established development practices. • Ensure adherence to secure coding standards and industry best practices. For more experienced engineers: • Produce system designs, including specifications, prototypes/MVPs, recovery and restart procedures, and data flow documentation. More ❯
South East London, London, United Kingdom Hybrid / WFH Options
The Bridge (IT Recruitment) Limited
This is a fantastic opportunity to work as a Sofware Engineer, on a long term contract, working for a major finance company, inside IR35 and fully remote. The key skills required for this Software Engineer role are below. Low latency FX Matching Java C++ (desirable) trading (desirable) SQL Gradle If you do have the relevant experience for … this remote Software Engineer position, please do apply. More ❯
Abingdon, Oxfordshire, United Kingdom Hybrid / WFH Options
Halliburton
around the world Qualifications & Experience Essential Attributes: 10+ years of experience in Software development of complex applications. Excellent understanding of design principles and considerations, best practice 10+ years of Java and C++ development experience History of applying best practices, code reviews and quality checks Familiarity with build pipeline tools and technologies such as Gitlab Must be self-motivated but More ❯