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Principal Engineer (Scala or Java)Manchester (Hybrid) | PermanentUp to 140,000 + 20% BonusLead the Future of AI EngineeringAn exciting opportunity has arisen to join a rapidly growing, global AI technology scale-up as their next Principal Engineer. Desirable Technical ExperienceExperience with the

GoodEngland South East AbingdonPermanent IT Oil & Gas Java/C++ Software Desktop Engineer – Permanent – Abingdon, Oxfordshire Hybrid – 3 days on site, 2 days remote No sponsorship availableJava/C++ Software Desktop Engineer Job Duties Responsible for designing, codes, tests, trouble-shoots

A track record of building scalable data integration systems (beyond simple ETL jobs)Strong proficiency in Java and the JVM ecosystem, including deep knowledge of memory management, garbage collection tuning, and performance profiling. Solid experience with concurrent programming in Java, including

Java/Spring, AWS Kinesis, MongoDB, OpenTelemetry, Terraform, Datadog — tools selected for the problem, used on systems that matter. If you're a deep Java systems engineer with strong architectural instincts, event-driven experience, and genuine excitement about AI-augmented development at scale ��

Functional Java, Spring, Spring Boot, JPA/Hibernate.

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading tec

Advanced proficiency in one or more programming languages, ideally Java.

You will lead a platform built on React and Java (Spring Boot), drive best practices, CI/CD, testing, security and performance, and mentor engineers as the team grows through 2026 and beyond.

Develop, maintain, and enhance cloud-native applications using Java, Spring Boot, and microservices architecture. Strong hands‑on experience with Java 21/25 and Spring Boot.

Morson Edge (Financial Services) in London is seeking a Senior Java Developer to join the post-trade engineering team. You will deliver server-side Java with SpringBoot, develop REST APIs, and contribute to CI/CD, TDD, and DevOps initiatives to meet evolving market demands.

Advanced proficiency in one or more programming languages, ideally Java.

Novify is recruiting a Senior Quantitative Developer to design and optimise an institutional-grade trading platform for spot and derivatives.London, UK is preferred with Amsterdam considered; salary up to £200K base plus equity, full-time.You will build and launch new derivative products, work with

As a Senior Java Developer, you will undertake a mixture of server-side development in Java & SpringBoot, partnered with being a part of business facing initiatives to modernise and enhance their external facing application and ever evolving market demands. Senior Java Developer – Java, SpringBoot

Experience achieving compliance with accessibility standards (WCAG, etc.Strong analytical and critical thinking skills and ability to work within a team-oriented environment.Strong experience in CI/CD practices.Extensive experience with JS, TypeScript, and modern frontend frameworks such as Vue.As t

JPMorganChase is seeking a Lead Software Engineer to join the Corporate Global Tax Technology team.You will join an agile unit delivering trusted, scalable technologies in a secure environment, driving innovation with AI-assisted practices and modern cloud architectures.You will lead design, develop

NET (other languages like JavaScript or Python are beneficial).

Experian Software Solutions (ESS) is the global product and engineering function delivering world-class software solutions through the Ascend Platform.ESS is structured around core business areas:Analytics,Decisioning, Identity & Fraud (ID&F), andSolutions.ESS is comprised of ~1,100 people across 14

Required skills include JavaScript (ECMAScript 6), Semantic HTML, CSS/SCSS, and frameworks such as Vue.

Lead or guide a team of Java developers on large-scale digital services. Strong recent experience with Java 21 or later. We’re looking for a Lead Java Developer to join a major national digital transformation programme.

RE Partners in the United Kingdom seeks an experienced Principal Java Engineer to join our high-performing engineering team. You will design, implement, and optimize low-latency, high-throughput backend services in the payments domain, using modern Java and SpringBoot in a hybrid UK-based role.

Experience achieving compliance with accessibility standards (WCAG, etc.Strong analytical and critical thinking skills and ability to work within a team-oriented environment.Strong experience in CI/CD practices.Extensive experience with JS, TypeScript, and modern frontend frameworks such as Vue.As t

You will design, develop and maintain Java microservices, integrate Ignite, Kafka, and MongoDB data models, and work with cloud-hosted Linux environments.

The role requires strong Java expertise, UNIX/Linux experience, and a focus on low-latency, high-volume systems in a fast-paced IT/quant environment.

Morgan is seeking a Lead Software Engineer within the CIB - Markets Technology group to deliver trusted, market-leading technology products.You will contribute across multiple technical areas, advancing secure, scalable software solutions and responsible AI adoption within an agile team.You will lea

Team is growing fast and now we are looking for a strong and motivated FX Risk Lead Java Developer. Design, develop, and maintain Java-based microservices for high-throughput application. Strong hands-on experience with Core Java and multithreading in high load system.

Graphite team seeks a Lead Software Engineer to build a cloud-based payments platform with a focus on high performance and low latency.You will drive end-to-end payment flows from requirements to production, working in an agile environment.Your role supports innovation and operational stability in a

Citi is seeking a Senior Engineer to lead the development of the XiP Calculation Engine, the heart of the XiP platform.You will design, build, and maintain a high-performance, distributed calculation engine handling hundreds of thousands of pods and massive risk computations daily.You will mentor de

We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments processing domain. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive

You will contribute across meta-programming, domain specific languages, interpreter design, and cloud-based services, using Scala and Java, while guiding AI-assisted development practices to improve quality and delivery.

CoinDesk is seeking a highly experienced Java Backend Engineer for its Risk Engineering team. The role emphasizes ownership, strong Java expertise, and a focus on scalable, low-latency systems within a fast-paced environment.

Nomura is seeking a technologist for its Global Execution Services algo team.The role focuses on design, development, and deployment of core algorithmic trading platforms used across global markets.You will work closely with quants and front-office teams, delivering features and fixes in a high-velo

You’ll design, build and maintain cloud-native applications using Java, Spring Boot, and microservices, with Kafka for event-driven flows and AWS with Docker/Kubernetes (EKS). LA International seeks a Senior Java Developer for a 12-month contract in London.

JPMorgan Chase in London seeks a Lead Software Engineer to deliver a cloud-based, high-performance payments platform.You will lead end-to-end development of new payment flows, from business requirements to production support, in a fast-paced, agile environment.You will mentor engineers, drive secure

Experience working with C++, JUCE, JavaScript and Python.

As a Lead Software Engineer at JPMorganChase within the.As a core technical contributor, you are responsible for delivering critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives.Execute creative software solutions

Required skills include JavaScript (ECMAScript 6), Semantic HTML, CSS/SCSS, and frameworks such as Vue.

Morgan Stanley is seeking a Lead Software Engineer in London to lead Java development for automated trading systems.

You will design and deliver low-latency Java code powering the Bullish Exchange, working across a hybrid architecture that blends a Central Limit Order Book with proprietary market making.

Advanced proficiency in one or more programming languages, ideally Java.

Java Script Works is seeking an Engineering Product Manager based in Greater London, United Kingdom. The ideal candidate will have a strong background in audio software development and experience with C++, JUCE, JavaScript, and Python.

The role requires strong background in Python/Java, Spring stack, and enterprise AI-assisted tooling, with a focus on reliability, performance, and governance in a large corporate environment.

Applied experience in Scala and Java.

Proficiency in Python, JavaScript, Java, Junit, Maven, Hibernate, Spring Boot, Spring JPA, and Spring Batch.

HelloKindred in London is seeking a Lead Fullstack Camunda Developer with extensive Camunda 8 expertise and strong Java/Spring Boot/React skills.

Role Description – Java Full Stack Developer. As a Java full stack developer you will be responsible for designing and developing cloud native applications using cutting edge technologies. Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate.

The ideal candidate will possess extensive experience in developing robust web applications using Java (Spring Boot), HTML, CSS, and JavaScript/TypeScript. Extensive experience of building microservices with Java (Spring Boot). Experience using JavaScript/Typescript to build fronted web applications

As a Java Developer, you will be responsible for designing, developing, and maintaining high-performance, scalable Java applications within a complex banking environment. Strong commercial experience in Java development (Java 8, 11, or 17+). If you are an experienced Java Developer with a background