101 to 125 of 521 Permanent Java Jobs in London

Hands-on practical experience delivering system design, application development, testing, and operational stability Advanced in one or more programming language(s), such as Go, Java or Kotlin Advanced understanding of agile methodologies, CI/CD, application resiliency, and security; including modern best practices for secure delivery, such as SLSA framework more »

Mid-Level Java Engineer My client is a leading financial services firm dedicated to providing innovative solutions and cutting-edge technology in the finance sector. With a commitment to excellence, they are seeking a talented and experienced Mid-Level Java Engineer to join our dynamic team. If you are passionate … about finance, technology, and thrive in a collaborative environment, we invite you to apply. Responsibilities: Design, develop, and maintain high-performance and scalable Java applications. Collaborate with cross-functional teams to understand project requirements and translate them into technical specifications. Implement best practices for software development, ensuring code quality, maintainability … contribute to a culture of continuous improvement. Qualifications: Bachelor's degree in Computer Science, Engineering, or related field. 3+ years of professional experience in Java development. Solid understanding of Kotlin and experience in using it for building robust applications. Proficiency in the Spring framework, including Spring Boot. Hands-on experience more »

Senior Java Developer A Financial Services client of ours has a brand-new opening for a Senior Java Engineer to join a passionate and experienced team of professionals working on greenfield projects as well as existing flagship and world-class electronic trading platforms. As part of an Agile working environment … also need to have a passion for financial markets, with knowledge of multiple financial markets and market structures. Experience: - 8+ years expertise with core Java - Demonstrable experience scaling real-time systems - Exposure to both Front Office and Middle Office environments - Java 11, AWS, Microservices and Ansible - Multi-threading, MySQL, Spring … Knowledge of at least one scripting language (shell, python, perl etc.) This could be the right role for you if you are a Senior Java Engineer that is passionate about delivering high-quality software and new features for high traffic platforms. You will enjoy creating distributed systems and low-latent more »

We are seeking an experienced Senior Java Developer with a solid track record in FIX API integration and a strong grasp of modern software containerization and orchestration technologies to join our dynamic team. The ideal candidate will play a pivotal role in the development and integration of our trade capture … Lead the FIX API integration effort for the trade capture module, employing containerization and orchestration with Docker and Kubernetes . Design, develop, and test Java components using JUnit or similar testing tools. Collaborate with the existing development team to ensure seamless integration with our current technology stack, including Kafka or … on FIX API best practices, OpenAPI specification for documenting APIs, and implementation within an Event-Driven Architecture. Required Skills and Experience: 5+ years of Java development experience, specifically with J2EE and Spring Boot . Proficient in developing RESTful APIs and integrating with REST APIs. Experience with DevOps practices, tools, and more »

Software Engineer | Java & JavaScript Roles Available | Up to £90,000 + 15% bonus | eDV Clearance required | Consultancy | London | Hybrid (2-3 days per week onsite) | 2 stage interview process Yolk Recruitment are working with a global consulting organisation looking to grow their national security division in the UK. They're … software engineers to join their team to work on critical projects within the defence/national security sectors. They're core tech stack is Java, JavaScript (Node/React) & operate in a highly Agile/Scrum environment. They're flexible on experience & skillset so if you don't have experience … based in London & operate hybrid working with 2-3 days per week onsite. Active eDV clearance is essential. Main Responsibilities: Full lifecycle development in Java, JavaScript (Node/React) on secure applications & systems. Liaising with internal stakeholders to ensure project requirements are adhered to & project deadlines met. Developing solutions in more »

comprised of talented individuals who are passionate about their work and committed to driving success. Position Overview: They are seeking a highly skilled Senior Java Developer with experience in Kotlin to join their dynamic team. The successful candidate will play a key role in developing and maintaining software solutions, contributing … to the full software development lifecycle from concept to deployment. Responsibilities: Design, develop, and maintain high-quality software applications using Java and Kotlin. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, efficient, and maintainable code adhering to coding standards and best practices. Conduct code … and industry trends to continuously improve skills and knowledge. Requirements: Bachelor's degree in Computer Science, Engineering, or related field. Proven experience as a Java Developer with proficiency in Kotlin. Strong understanding of object-oriented programming principles and design patterns. Experience with Spring Framework, Spring Boot, and Hibernate. Familiarity with more »

Senior Java Analyst Developer/Technical Consultant £100,000 Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension … Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ more »

pool, with cutting edge analytics and technology helps us co-create winning experiences with our clients Job Duties You will be a strong core JAVA developer joining a bank’s Realtime Risk team. You will be working within an agile team, writing requirements and specifications, developing strategic trading tools and … maintenance Engaging in projects involving cutting-edge technologies with a primary emphasis on performance, handling large datasets, and transitioning towards event-driven architecture Utilizing Java 17+ with Spring/Spring Boot 3+, SQL/Oracle Effective experience with Redis, Apache Kafka, Flink or similar Striving for Serverless solutions utilizing Linux more »

Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals who are keen to … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside product … business requirements Research, plan and implement integrations with numerous banking and payments systems Optimise performance of complex systems Create structured, testable, lightweight code in Java What we are looking for: Hands-on development experience in building global software product form zero to one. Strong experience working on the backend of more »

Angular You have a degree in Engineering, Computer Science or other IT related education please (Bachelor/Master). Must be very enthusiastic about Java-based web/enterprise application development and deployment and have experience with Java. The Client would like to see working knowledge and at least more »

build out the team for their NetZero-focussed internal scale-up. They are looking to bring on a Lead Software Engineer with experience in Java/Python/C# (must be open to learning Go, if not previously experienced with it). Benefit highlights: Annual bonus (10%) 29 days + more »

dedicated to creating cutting-edge solutions that redefine the market landscape. With a strong emphasis on technology and innovation, they're seeking a Senior Java Developer to join their team and contribute to their growth and success. Position Overview: As a Senior Java Developer, you will play a pivotal role … You will work closely with their cross-functional teams to design, implement, and deploy scalable solutions that meet our business requirements. Your expertise in Java development, along with your proficiency in technologies such as AWS, Spring Boot, Microservices, and potentially Kotlin, will be instrumental in driving their product development forward. … product managers, designers, and other stakeholders to translate business requirements into technical solutions. Design and develop high-quality, scalable, and maintainable software applications using Java and related technologies. Architect and implement microservices-based solutions leveraging Spring Boot and AWS services. Write clean, efficient, and well-tested code, following best practices more »

/or Golang. About you: Experience as a Principal/Staff or Managerial background in large-scale businesses with high user traffic Proficiency with Java, AND (Golang OR Rust OR Scala OR Python) Cloud proficiency across at least one technology (AWS, GCP, Oracle, Azure) Database work with SQL and NoSQL more »

CD workflows using Azure DevOps, and/or Jenkins. A good grasp of security in the Cloud is essential, along with experience working with Java-based live microservices platforms running in containers. Responsibilities: Serve as the escalation point for live incidents Identify and troubleshoot problems in live environments Triage and more »

Good understanding across the Software Development Lifecycle (SDLC) Strong understanding of architectural styles and design patterns Proven understanding in at least one programming language (Java, C#, Python, etc.) Proven experience with Cloud Platforms (Azure, AWS, GCP) designing scalable cloud solutions This is an excellent opportunity to join a well-established more »

degree in engineering, computer science, information systems, or equivalent experience Software engineering experience with Python and one other object-oriented programming language (e.g. C#, Java, C++) Experience building RESTful APIs Experience working with distributed high throughput systems Experience working with configuration/infrastructure as code (e.g. Terraform) * You must be more »

will have: performance testing certification commercial performance testing experience as part of a testing team. and proven experience with Neoload performance testing. within either Java or C# environments considered. with application deployments via Kubernetes or GitHub Actions. This is a fantastic opportunity for a Performance Tester with solid Neoload skills more »

future development efforts. Ensure optimal performance of components across various platforms. Requirements Proven experience in developing specialized applications using REST APIs. Proficiency in Go, Java, and Python (open to alternative language combinations). Strong command of Front End languages and frameworks, including HTML, CSS, JavaScript, and React.js. Thorough understanding of more »

as code on AWS using a wide range of AWS services; ECS and networking especially, but including S3, SQS, RDS, CloudWatch. -Python application or Java expert, alongside proficiency in at least one other mainstream language. -Comfortable with SQL and noSQL databases – both populating and querying. more »

the project. You get ownership and control of the processes for taking your code into live. Skill set: A core skill set, either in Java, JavaScript or Python, but it's your understanding of data structures, algorithms, libraries and development methods that are most important. You will likely have some more »

use of tools to undertake that testing. Requirements: You have experience of integration and performance testing primarily using the JVM-based solutions, and custom Java or Scala code, as well as key Linux automation tools. Experience working with Application Process Interfaces (API’s) and Web applications as well as various more »

relationships with wider Data Acquisition Team. Maintain clear and open path of communication with Client Services Team. Requirements: Coding proficiency preferably in Scala; alternatively Java, Python or any other high level language. A Bachelors degree in Computer Science from an accredited University. Ability to work in a fast-paced environment more »

remote first communication practices Technical Requirements: Direct experience developing and customization of Openlink Endur. Confident knowledge of OpenJVS, OpenComponents and SQL. Working knowledge of Java or .NET. Experience working in European Energy and Power markets. Experience with other commodities; Metals, Agriculture is a plus. Package: £110,000 - £150,000 base more »

have experience across the full stack, however your focus would be backend. Experienced with Kotlin in commercial roles, but can be a mix of Java and Kotlin. Have some experience on the frontend (but does not have to be your daily focus) with a language/framework similar to Vue.js more »

every day by writing clean, secure and well-tested code. You'll need to have: Strong Full Stack Engineering experience, the Tech Stack is Java, React, TypeScript, GraphQL, Kubernetes, SQL, NoSQL, on AWS. If you have worked on similar technologies and are ahppy to cross train on this stack stack more »