251 to 275 of 386 Permanent Java Developer Jobs

tech is pretty cool, and they're looking for applicants with experience of some (not necessarily all) of the following: Background developing applications in Java (JDK 8, Spring Boot etc.). Solid understanding of Core Java design patterns and concepts. Experience with RESTful Web Services, OOP/ ...

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. This hybrid role is based in the UK and offers the opportunity to build scalable, real-time services using modern technologies.If … passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you .Key Responsibilities :Design, develop, and optimize low-latency, high-throughput backend systems using Java .Build and maintain RESTful APIs and microservices that power ...

Full-Stack Developer - Contract Location: Manchester - 3-4 days onsite per week Duration: Until 1 March 2027 (renewable) Rate: £365/day Inside IR35 The RoleWe're looking for an experienced Full-Stack Developer to join a delivery team working across modern front-end, backend and cloud technologies. … digital applications, working closely with engineering and delivery teams in an Agile environment. Key SkillsFrontend: Angular, JavaScript, TypeScript, AEM, GraphQL, SSR, NgRx, Jest, SCSSBackend: Java, Spring Boot, REST APIs, Liquibase, OpenTelemetry, HoneycombAWS: S3, Lambda, ECS, SQS/SNS, CloudFront, IAM, Secrets Manager, CloudFormationNetworking & Security: Akamai, NGINX, Kong, Okta, Auth0DevOps ...

Principal level Java or Kotlin Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring. This is an opportunity to take a leading technical role on a large, high-throughput platform within … telecommunications and online payments space. Java/Kotlin Software Developer Remote | Up to £70,000 | Newbury The Role This is a hands-on Principal role, with around 90% of your work focused on backend development. You'll be working on a large platform with high-throughput APIs, Azure ...

transaction for its entire lifetime thereby allowing full traceability from front office to back office providing great business benefit. This role is for a developer position responsible for accomplishing results through hands on development/bug fixes of our Java application. The overall objective of this role … meet performance and scalability requirements Comfortable in using AI based coding assistants and AI powered SDLC processes Mandatory Skills Strong commercial experience as a Java developer. This will be tested during interview stage Experience in REST API and authentication mechanisms (OAuth/Basic Authentication) Messaging Systems experience ...

Cerillion in London is seeking a Senior Developer to join our Software Engineering team. You will design, develop, and deliver enhancements to Cerillion’s core BSS/OSS products, mentor juniors, and collaborate with architects and cross-functional teams to ensure robust, scalable systems. The role focuses on Java ...

## Senior C++/Java DeveloperApplylocations: London, United Kingdomtime type: Full timeposted on: Posted 3 Days Agojob requisition id: R0119302**ABOUT US:**LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication … careers.**ROLE SUMMARY:**This is an individual contributor role responsible for the design, development, and delivery of high‐quality software solutions using C++ and Java within a defined product, platform, or client solution area. The role emphasizes hands‐on engineering, strong ownership of medium‐to‐large technical components ...

eTeam is seeking a Full Stack Developer (Camunda) in London to design and implement Camunda 8 workflows with Java-based services and React UI components. You will contribute to banking/financial IT projects in an AGILE environment, and participate in SCRUM ceremonies while delivering scalable, testable code. … role requires strong Camunda, Java, Spring Boot, and SQL skills, plus experience with OpenShift and CI/CD tools. Hybrid onsite work with 2–3 days on site is expected. #J-18808-Ljbffr ...

product capability and looking for talented individuals to help build transformational capital markets products including: Aeron - our flagship high-performance messaging infrastructure.Hydra - our developer framework for accelerating the development and delivery of trading systems.Artio - our market-leading open-source FIX engine.Aeron Sequencer - replicated state machines at scale.YOU … analytical skillsExcited about learning new things and keeping up to dateHappy to work in a test-driven and Agile development fashionYOU HAVE: Experience in Java server-side software developmentExperience designing, building, debugging, and operating distributed systemsExperience designing and evolving messaging protocolsExperience designing and evolving software librariesExperience applying various forms ...

data provider. Their purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Team is seeking a highly technical, hands-on Java developer. Our group is focused on bringing a new level of efficiency, transparency and openness to the trading process by building a collaborative community … Continuously develops technical expertise and stays up to date with modern technologies and frameworks. Skills Must have 8+ years of software engineering experience. Strong Java fundamentals (Java 21 preferred) including core concepts (collections, concurrency, memory management). Solid experience with Spring Framework (Spring 4+) and Spring Boot 3.x. ...

product capability and looking for talented individuals to help build transformational capital markets products including: Aeron - our flagship high-performance messaging infrastructure. Hydra - our developer framework for accelerating the development and delivery of trading systems. Artio - our market-leading open-source FIX engine. Aeron Sequencer - replicated state machines … about learning new things and keeping up to date Happy to work in a test-driven and Agile development fashion YOU HAVE: Experience in Java server-side software development Experience designing, building, debugging, and operating distributed systems Experience designing and evolving messaging protocols Experience designing and evolving software libraries ...

testing bespoke software solutions Providing technical direction and communicating clearly with clients Producing solution architectures and technical designs Building full-stack applications using Java, JavaScript, React and TypeScript Designing and deploying cloud-based solutions, primarily using AWS Creating continuous integration pipelines using tools such as GitLab Working across … software quality, security and engineering practice What were looking for You will be a hands-on Senior Engineer or Technical Lead with: Strong commercial Java development experience Good experience designing and building solutions in AWS Full-stack development experience using JavaScript, React and TypeScript Previous experience leading engineers ...

transaction for its entire lifetime thereby allowing full traceability from front office to back office providing great business benefit.This role is for a developer position responsible for accomplishing results through hands on development/bug fixes of our Java application. The overall objective of this role … support documentationEnsure applications meet performance and scalability requirementsComfortable in using AI based coding assistants and AI powered SDLC processesMandatory SkillsStrong commercial experience as a Java developer. This will be tested during interview stageExperience in REST API and authentication mechanisms (OAuth/Basic Authentication)Messaging Systems experience ...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure … cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements.Role Description :Design, develop, and maintain Java-based backend services and REST APIs that support financial services workflows and data use cases.Implement APIs in line with internal requirements for API design ...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure … functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements. Role Description :Design, develop, and maintain Java-based backend services and REST APIs that support financial services workflows and data use cases. Implement APIs in line with internal requirements ...

goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” 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. This hybrid role … offers the opportunity to build scalable, real‐time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities: Design, develop, and optimize low-latency, high ...

industries. Atos Group is listed on Euronext Paris.Bigger Challenge/Scope:Join a team that supports, enhances, and modernizes complex enterprise applications built on Java, Spring Boot, React JS, Microservices, AWS, and Cloud technologies. You will have the opportunity to work on large-scale digital transformation initiatives, application modernization … measurable business value and customer outcomes.Better Technology:Team is no longer limited to traditional application support. It leverages modern technologies and engineering practices including Java, Spring Boot, React JS, AWS Cloud, Microservices Architecture, DevOps, CI/CD, SRE, Automation, and AI-driven operations. This provides exposure to modern engineering ...

Atos Group is listed on Euronext Paris. Bigger Challenge/Scope: Join a team that supports, enhances, and modernizes complex enterprise applications built on Java, Spring Boot, React JS, Microservices, AWS, and Cloud technologies . You will have the opportunity to work on large-scale digital transformation initiatives, application … business value and customer outcomes. Better Technology: Team is no longer limited to traditional application support. It leverages modern technologies and engineering practices including Java, Spring Boot, React JS, AWS Cloud, Microservices Architecture, DevOps, CI/CD, SRE, Automation, and AI-driven operations . This provides exposure to modern ...

Role Summary :We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building end‐to‐end product experiences across modern web user interfaces and Java backend services that power institutional digital asset … build robust, scalable, and secure digital asset products that meet our business and technical requirements.Role Description :Design, develop, and maintain full‐stack features spanning Java backend services and modern web UI components for digital asset products and operational tooling.Build and evolve REST APIs and service integrations that support digital ...

Atos Group is listed on Euronext Paris. Bigger Challenge/Scope: Join a team that supports, enhances, and modernizes complex enterprise applications built on Java, Spring Boot, React JS, Microservices, AWS, and Cloud technologies . You will have the opportunity to work on large-scale digital transformation initiatives, application … business value and customer outcomes. Better Technology: Team is no longer limited to traditional application support. It leverages modern technologies and engineering practices including Java, Spring Boot, React JS, AWS Cloud, Microservices Architecture, DevOps, CI/CD, SRE, Automation, and AI-driven operations . This provides exposure to modern ...

foster team spirit Your profile You hold a degree in computer science or a comparable qualification and bring experience in enterprise software development with Java and Spring Boot You have expertise in deploying and operating cloud services on Azure, AWS, or GCP (preferably Azure), and you are confident working … GitHub Copilot You communicate fluently in English; knowledge of Portuguese and/or German is a plus About the department As a backend developer, you will work on the central mobility+ backend systems, which serve as the 'operating system' of the EnBW HyperNetz. These systems establish ...

maintainable solutions for our customers and participating in a highly collaborative group of software engineering professionals. Learning, developing your skills and becoming a rounded Developer in the process. You will develop software to meet our client's user needs using Javaon the AWS Cloud platform, follow best practice guidelines … development within the project using latest technologies. You will be creating best in class documentation with our client users in mind. Qualifications 5+ years Java development experience Experience with the Spring framework (Spring Boot 1 & 2) for the development of new or existing Microservices SQL databases (Oracle or PostgreSQL ...

maintainable solutions for our customers and participating in a highly collaborative group of software engineering professionals. Learning, developing your skills and becoming a rounded Developer in the process. You will develop software to meet our client's user needs using Javaon the AWS Cloud platform, follow best practice guidelines … development within the project using latest technologies. You will be creating best in class documentation with our client users in mind. Qualifications 5+ years Java development experience Experience with the Spring framework (Spring Boot 1 & 2) for the development of new or existing Microservices SQL databases (Oracle or PostgreSQL ...

applying resilient distributed systems engineering, event-driven architectures, and cloud-native automation principles. The platform architecture relies on a microservices ecosystem built with Java and Spring Boot, leveraging Apache Kafka for real-time asynchronous event streaming, RESTful API management for secure communication, and robust continuous deployment pipelines. The engineering … Requirements Senior-level experience in enterprise software engineering with a focus on high-throughput, real-time banking and financial systems. Strong proficiency in core Java development, Spring Boot microservices, and modern resilient service design patterns. Hands-on expertise with Apache Kafka and event-driven architectures, including both orchestrated ...

Join CGI as a Senior Full Stack Developer and help shape the digital services that support access to justice across the UK. Working with one of our key UK Government Department clients, you’ll take ownership of reusable technology that enables their services to onboard faster, integrate consistently … operate reliably. You’ll apply your Java and Angular expertise to solve complex engineering challenges, improve developer experiences and deliver secure, accessible services at scale. You’ll have the scope to introduce fresh ideas, explore AI-assisted engineering and influence technical decisions, while working alongside supportive CGI colleagues ...