26 to 50 of 405 Java Jobs in the City of London

and resolve production issues, ensuring minimal disruption to trading activities. Contribute to continuous improvement initiatives and technical innovation within the team. Key Skills & Experience: Required: Strong programming skills in Java , C# , or Python . Experience with FX trading systems , ideally in investment banking or financial services. Solid understanding of trade lifecycle , pricing , and risk management . Familiarity with FIX protocol More ❯

and resolve production issues, ensuring minimal disruption to trading activities. Contribute to continuous improvement initiatives and technical innovation within the team. Key Skills & Experience: Required: Strong programming skills in Java , C# , or Python . Experience with FX trading systems , ideally in investment banking or financial services. Solid understanding of trade lifecycle , pricing , and risk management . Familiarity with FIX protocol More ❯

engineers, architects, and DevOps teams to deliver robust streaming solutions. Required: • Hands-on experience with Apache Kafka (any distribution: open-source, Confluent, Cloudera, AWS MSK, etc.) • Strong proficiency in Java, Python, or Scala • Solid understanding of event-driven architecture and data streaming patterns • Experience deploying Kafka on cloud platforms such as AWS, GCP, or Azure • Familiarity with Docker, Kubernetes, and More ❯

engineers, architects, and DevOps teams to deliver robust streaming solutions. Required: • Hands-on experience with Apache Kafka (any distribution: open-source, Confluent, Cloudera, AWS MSK, etc.) • Strong proficiency in Java, Python, or Scala • Solid understanding of event-driven architecture and data streaming patterns • Experience deploying Kafka on cloud platforms such as AWS, GCP, or Azure • Familiarity with Docker, Kubernetes, and More ❯

A Blend Of: 3-6+ years of software engineering experience (dependant on the role). Strong proficiency in a back-end server-side language (Go preferred, Python or Java applicable). As a senior/lead, you will have built and designed distributed systems and scalable architectures. Experience with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). More ❯

A Blend Of: 3-6+ years of software engineering experience (dependant on the role). Strong proficiency in a back-end server-side language (Go preferred, Python or Java applicable). As a senior/lead, you will have built and designed distributed systems and scalable architectures. Experience with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). More ❯

for critical work, but your greatest impact will come from technical leadership, enabling teams to deliver robust, scalable, and secure services. With a strong foundation in backend technologies, including Java and Spring Boot, and event-driven systems such as Kafka, you’ll influence systems well beyond your own code, ensuring architectural integrity and high engineering standards across multiple teams. You … details, including day-to-day duties and responsibilities on our website: mkodo careers 🤩We’d love to hear from you if... You have strong backend engineering experience, ideally including Java (Java 11+) and Spring Boot. You have proven ability to design and lead backend architectures for complex systems. You are familiar with cloud environments (AWS is mandatory) and container orchestration More ❯

for critical work, but your greatest impact will come from technical leadership, enabling teams to deliver robust, scalable, and secure services. With a strong foundation in backend technologies, including Java and Spring Boot, and event-driven systems such as Kafka, you’ll influence systems well beyond your own code, ensuring architectural integrity and high engineering standards across multiple teams. You … details, including day-to-day duties and responsibilities on our website: mkodo careers 🤩We’d love to hear from you if... You have strong backend engineering experience, ideally including Java (Java 11+) and Spring Boot. You have proven ability to design and lead backend architectures for complex systems. You are familiar with cloud environments (AWS is mandatory) and container orchestration More ❯

complex technical challenges and build secure, scalable systems that really make an impact . 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or GCP ✅ Applying modern More ❯

tackle complex technical challenges and build secure, scalable systems that really make an impact. 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or GCP ✅ Applying modern More ❯

Senior Automation Test Engineer (Selenium Java & Python) London, UK (Hybrid work model) We are seeking a highly skilled and proactive Senior Quality Analyst with strong expertise in web and mobile application testing, automation frameworks, and API testing. The ideal candidate will have hands-on experience with Selenium (Python), Postman, SQL, and a solid understanding of quality assurance best practices. Exposure More ❯

Senior Automation Test Engineer (Selenium Java & Python) London, UK (Hybrid work model) We are seeking a highly skilled and proactive Senior Quality Analyst with strong expertise in web and mobile application testing, automation frameworks, and API testing. The ideal candidate will have hands-on experience with Selenium (Python), Postman, SQL, and a solid understanding of quality assurance best practices. Exposure More ❯

a genuine technologist’s role — building critical software that combines engineering precision, scalability, and innovation. What We’re Looking For Very strong expertise in one of C#, Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system More ❯

Tools - Nx Dev/Yarn/npm · Platform - Docker/Nginx Desirable Technical Skills · Serverless · AWS/GCP – API Gateway/Lambda · Orchestration Stack – Kubernetes/Nomad · Experience with Java and Python Education & Experience Bachelor’s degree in computing, science, or engineering. At least 3 years of software development experience in a commercial environment. Track record of delivery and support More ❯

a genuine technologist’s role — building critical software that combines engineering precision, scalability, and innovation. What We’re Looking For Very strong expertise in one of C#, Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system More ❯

Tools - Nx Dev/Yarn/npm · Platform - Docker/Nginx Desirable Technical Skills · Serverless · AWS/GCP – API Gateway/Lambda · Orchestration Stack – Kubernetes/Nomad · Experience with Java and Python Education & Experience Bachelor’s degree in computing, science, or engineering. At least 3 years of software development experience in a commercial environment. Track record of delivery and support More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service offering Cultural More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service offering Cultural More ❯

Java London/Hybrid Contract The Role • Should have rich knowledge in Software Development Life Cycle Methodologies; excellent communication and interpersonal skills, capable of resolving multiple complex issues and motivating team to achieve peak performance • Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop high-performance, scalable, and reliable solutions … using Java, Spring boot, Microservices technologies. • Work closely with business stakeholders to gather and analyse requirements, translating them into technical specifications and architectural designs. • Convert visionary concepts into enterprise-wide systems. • Coordinate with all stakeholders in architectural designs and software development. • Ensure compliance of best practices and policies in software development. Perform code reviews and provide feedback to team members … as training materials or sample code, to encourage acceptance of frameworks • Ensuring system integrity by utilizing proper architectural designs • Advising on security methods and implementing them • Design and deploy Java applications. • Develop strategic, logical, and physical designs. • Ensure products or projects are robust, scalable, and extensible. • Expertise in using Agile methodology • Analyse user requirements to define business objectives • Envisioning system More ❯

Java London/Hybrid Contract The Role • Should have rich knowledge in Software Development Life Cycle Methodologies; excellent communication and interpersonal skills, capable of resolving multiple complex issues and motivating team to achieve peak performance • Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop high-performance, scalable, and reliable solutions … using Java, Spring boot, Microservices technologies. • Work closely with business stakeholders to gather and analyse requirements, translating them into technical specifications and architectural designs. • Convert visionary concepts into enterprise-wide systems. • Coordinate with all stakeholders in architectural designs and software development. • Ensure compliance of best practices and policies in software development. Perform code reviews and provide feedback to team members … as training materials or sample code, to encourage acceptance of frameworks • Ensuring system integrity by utilizing proper architectural designs • Advising on security methods and implementing them • Design and deploy Java applications. • Develop strategic, logical, and physical designs. • Ensure products or projects are robust, scalable, and extensible. • Expertise in using Agile methodology • Analyse user requirements to define business objectives • Envisioning system More ❯

Markets applications, including Cash Equities Experienced with Playwright or other testing tools such as Selenium Strong knowledge of HTML, CSS, JavaScript/Typescript, ideally with some Python, .NET and Java Some knowledge of React Strong analytical skills combined with a structured methodical and hands-on approach with passionate attention to detail Demonstrate good judgement in solving problems as well as More ❯

and Confluent components • Experience with Confluent Cloud, Stream Governance, Data Lineage, and RBAC • Expertise in stream processing (Apache Flink, Kafka Streams, ksqlDB) and event-driven architecture • Strong proficiency in Java, Python, or Scala • Proven ability to integrate Kafka with enterprise systems (databases, APIs, microservices) • Hands-on experience with cloud platforms (AWS, GCP, Azure) and Kubernetes • Familiarity with CI/CD More ❯

and Confluent components • Experience with Confluent Cloud, Stream Governance, Data Lineage, and RBAC • Expertise in stream processing (Apache Flink, Kafka Streams, ksqlDB) and event-driven architecture • Strong proficiency in Java, Python, or Scala • Proven ability to integrate Kafka with enterprise systems (databases, APIs, microservices) • Hands-on experience with cloud platforms (AWS, GCP, Azure) and Kubernetes • Familiarity with CI/CD More ❯

infrastructure-as-code (Terraform, CloudFormation, Crossplane, Ansible). Proven ability to architect and deploy containerised systems (Docker, Kubernetes) at scale. Proficiency in one or more modern languages — Go, Python, Java, Ruby, TypeScript. Solid understanding of CI/CD , DevOps automation , and secure cloud operations . Strong communication and stakeholder management skills — able to influence at both technical and executive levels. More ❯

infrastructure-as-code (Terraform, CloudFormation, Crossplane, Ansible). Proven ability to architect and deploy containerised systems (Docker, Kubernetes) at scale. Proficiency in one or more modern languages — Go, Python, Java, Ruby, TypeScript. Solid understanding of CI/CD , DevOps automation , and secure cloud operations . Strong communication and stakeholder management skills — able to influence at both technical and executive levels. More ❯