Java software engineer jobs in Harpenden - Page 4Create job alerts

We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring

We are seeking a highly skilled Java Software Engineer's to work on a UK Government programme. Strong recent experience with Java 20 or above. Experience with software patterns.

We are seeking multiple Senior Java Engineers to join the programme engineering team. Strong, demonstrable experience as a Senior Java Engineer in a production environment. Senior Java Engineers (12x) — Contract - (Financial Services / Investment Management).

Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for experienced Java Developers to join an established engineering team. You will contribute to the design, build, and delivery of complex, high-availability digital solutions within a large-scale NHS environm

We’re partnering with a leading global financial institution seeking experienced Java Contractors to join high-impact engineering teams delivering scalable, mission-critical platforms. Strong Java development experience (Java 11+).

Number] years of professional experience in Java-based software development. A Java Developer (2-5 years experience) designs, codes, tests, and maintains scalable Java applications, collaborating with teams, debugging issues, and using frameworks like Spring/Hibernate, focusing on clean, efficient,

A leading space engineering firm in Greater London is seeking a Ground Segment DevOps Engineer to join their innovative team. This role involves designing and maintaining the Mission Control System, implementing software modules in Java and Python, and supporting mission operations subsystems. Ideal

Software Engineer - Java /Back End. Excellent Java development experience (Java 11+) in a production environment - including Spring Boot, dependency injection, and RESTful API design. We are looking for an experienced Back End Developer with excellent Java, PostgreSQL and API skills due to software

Leads communities of practice across Software Engineering to drive awareness and use of new and leading‑edge technologies. Formal training or certification on software engineering concepts and 8+ years applied experience. As a Software Engineer at JPMorgan Chase within Investment Banking, you play

We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement. The role is hands‑on and focused on building high quality software using modern engineering practices. You'll design, build and maintain Java based microservices, applying

You will join and collaborate with a global team of technologists at all stages software development pipeline creating high quality software solutions in an environment that encourages curiosity and innovation, grows talent, and applies and sharpens your multi-faceted software engineering skillset.

We’re seeking a highly motivated and experienced engineer to play a key role in our Customer Service Engineering Group. You should have a strong understanding of delivering robust and scalable code, applying best practices, and a proven track record of delivering high-quality software. We are very

Bank of America is seeking a Software Engineer III in Bromley, England. The ideal candidate should have extensive software engineering experience, particularly in front office technology, and fluency in programming languages like Python. This role involves developing financial software solutions, co

Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Equities Technology team. As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Equities Technology team, you are an integral part of an agile team that works to enhance, build, and d

Design, develop, and maintain high-performance Java-based systems for FX options trading and market making. Participate in the full software development lifecycle, from requirements gathering to production deployment. Core Java development with strong knowledge of data structures and algorithms.

Bowden Brown is seeking a talented Enterprise Software Engineer to join their growing technology team in London. The role involves building high-performance financial software and collaborating with operations and middle office teams to solve complex business problems. Candidates should have strong

Strong server‑side engineering skills: Kotlin or Java (Java 21), building and consuming RESTful APIs. You get to work in the engineering focused part of the bank, the Chief Technology Office, building tools for other engineers. You’ll impact the daily experience of tens of thousands of engineer

Formal training or certification on software engineering concepts and 8+ years applied experience. As a Software Engineer at JPMorgan Chase within Investment Banking, you play a crucial role in an agile team dedicated to enhancing, building, and delivering trusted, market-leading technology products

As a Senior Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. Demonstrated proficiency in software applications and technical processes within disciplines such a

Our client - a global automotive systems industry leader - is looking to hire an Principal AI Software Engineer (Java) to join them on an initial 6-month contract, with a view to transition to permanent employment. Deep expertise with Java / Spring / AWS. Customer facing software/platform re-write e

Join us and take your software engineering career to new heights. As a Lead Software Engineer in the Markets Technology team, you will design and deliver secure, stable, and scalable technology solutions that support our business objectives. Formal training or certification on software engineering c

Java Script Works is looking for an experienced Software Engineer to join their team in Luton. The ideal candidate will have a strong background in software development and proficiency in programming languages such as JavaScript, LiveView, C++, React, Elixir, and Erlang.

Bright Ascension Ltd in the United Kingdom seeks an experienced Senior Java Engineer to contribute to product development within a hybrid working environment. This role involves designing and developing new software products while adhering to best coding practices. The ideal candidate has at least 5

Backend Software Engineer (Java). My client in the automotive industry is seeking an experienced Senior Backend Software Engineer to join their Identity Management Services team, focusing on the core platform work that powers our identity infrastructure. You will be responsible for ensuring the plat

As a Software Engineer, you will design and develop backend services, APIs, and portal systems that operate within high-availability payment processing platforms. Design and build robust Java-based systems and RESTful APIs. Improve development processes through automation, simplification, and applie

We're seeking a highly motivated and experienced engineer to play a key role in our Customer Service Engineering Group. The Customer Service Engineering group is all about making things better for our customers. Starling engineers are excited about helping us deliver new features, regardless of what

A global technology company in the UK is seeking a Product Manager to develop innovative financial solutions.You will define and shape the Wise Assets product, focusing on user experience and data-driven decisions.The role requires strong project coordination skills and experience in web application

Experience with JavaScript/Typescript, Angular, and knowledge of Continuous Integration/Delivery is essential.

Mentor and guide engineers to improve technical capability and engineering standards. TP ICAP are looking for a Senior Java Developer delivering low‑latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‑time messaging. Strong expe

A global technology company is seeking a Senior Software Engineer II to help innovate in investments using Java.

A global financial technology leader is seeking a Dev/System Engineer in London. The ideal candidate will have 2 to 5 years of experience in systems development, specifically with Java and C++. The role demands a problem-solving mindset and proficiency in languages like Java and C++.

Practice TDD and BDD engineering techniques. Have an understanding of Java IOC frameworks such as Spring or Guice. Are passionate technologists who care about the code they engineer the quality and elegance of the solutions they build.

We are seeking highly skilled Software Development Engineers (SDEs) for a green field project to drive the design, development and implementation of software solution for next generation customer fulfilment system. As a key member of our engineering team, you will develop robust, scalable and effici

A leading defense and technology company in Greater London is seeking a Lead Software Engineer to oversee projects and mentoring. Preferred candidates will have strong experience in Java for backend development and React for frontend, with a good understanding of CI/CD and container technologies.

As a Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. Demonstrated proficiency in software applications and technical processes within disciplines such as data

Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies. Formal training or certification on software engineering concepts and 5+ years applied experience. Experience building high-performance, latency-sensitive Java applications.

Lead communities of practice across Software Engineering to promote awareness and adoption of new technologies. Demonstrated proficiency in software applications and technical processes within a technical discipline (such as cloud, artificial intelligence, machine learning, or mobile). Execute creat

Demonstrate some proficiency in most of these technologies: Java, JavaScript / TypeScript tool (React, Angular, etc), SQL, with a willingness to learn the others. As a Software Engineer, you will build capabilities to improve the quality of scientific research. As a Software Engineer, you will build

As a Senior Lead Software Engineer at JPMorganChase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into the hands of our customers. We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages a

Senior Software Engineer I - Investments - Java. Knowledge of Java and Spring boot and experience with a messaging system, like Kafka, is a plus… but don’t worry we don’t expect you to know everything!.

Elsevier in Greater London is seeking a Software Engineer to enhance the quality of scientific research. The ideal candidate has proficiency in Java, JavaScript or TypeScript, and is familiar with Agile methodologies.

We work in an agile fashion, with engineers closely collaborating with designers, the product manager, and the analyst. You have years of Java 8+ knowledge.

This role emphasizes delivering projects in a true DevOps manner and applying a software engineering mindset to problems. Essential skills include Java, Spring framework, and containerization using Docker or Kubernetes.

You’ll work closely with engineering leaders, peers and stakeholders to set strategic direction, raise engineering standards, and deliver real value for our customers. As a Staff Engineer, you'll be a hands‑on technical leader who drives engineering excellence across multiple teams. Acting as a

Take home assignment and subsequent walk through with Engineering Team>. Close alignment between Product and Engineering. Java/Spring Boot/AWS/K8s/Terraform.

Must Have – Java, Low-latency, financial services background, and hands on coding skills. Lead the development, testing, and maintenance of low-latency Java applications. Bachelor's degree in Computer Science, Engineering, or a related field.

Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies. As a Software Engineer at JPMorgan Chase within Investment Banking, you play a crucial role in an agile team dedicated to enhancing, building, and delivering trusted, market-lea

Proficiency in Python, JavaScript, Java, Junit, Maven, Hibernate, Spring Boot, Spring JPA, and Spring Batch. Join us and take your software engineering career to new heights. As a Lead Software Engineer in the Markets Technology team, you will design and deliver secure, stable, and scalable technolo