1 to 25 of 135 Java Jobs in the City of London

Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming … languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing, and modern software development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness ...

engage effectively with traders, quants, and other business stakeholders. Desired Domain experience in Credit or Fixed Income. Expertise in modern .NET technologies and C# (Java or similar OO languages considered). Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS). Knowledge of distributed messaging ...

tech stack is listed below. We don't ask that you have experience in all of it, but if you do, that's great! Java, which makes up the majority of our backend codebase GCP and AWS - we're cloud-native Microservice-based architecture Kubernetes ...

About The Role Job Level: 9 UK Wide 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 ...

processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c#/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with ...

Senior Java Architect - Payments Location: London (Hybrid) Contract: 6 Months Initial Pay Rate: £550-£600 - Outside IR35 About the Role We're supporting a global financial services organisation undergoing a significant banking transformation programme. As part of this journey, they are building next-generation banking capabilities and modernising core platforms … that support cross-border payments, settlement, reconciliation, and banking operations. We are seeking an experienced Java Engineering Architect to provide technical leadership across backend engineering, architecture, and delivery. This role will play a key part in shaping modern banking platforms built on cloud-native technologies, microservices, event-driven architecture ...

Experience with test automation tools and frameworks such as Selenium, Karate, SOAPUI, or Postman Knowledge of scripting or programming languages such as Python or Java Experience working with CI/CD tools and version control systems, including GitHub Actions or Jenkins Familiarity with Cucumber BDD Knowledge of cloud technologies, particularly ...

similar role, with a strong emphasis on systems engineering, automation, and service reliability Proficient in at least one programming language such as Python, Go, Java, or C#, along with scripting skills in Bash or PowerShell Solid grasp of cloud platforms like AWS, including an understanding of how core services like ...

team. Preferred Experience : Proven experience as a senior or lead software engineer in a modern SaaS, MarTech, or data-driven environment. Strong proficiency in Java (Spring Framework) is essential for success in this role. Frontend experience with React and TypeScript (or similar modern frameworks) is highly desirable. Demonstrated ability ...

relevant discipline, or equivalent practical experience, with evidence of strong quantitative skills or data engineering expertise. Strong hands-on programming experience in Python or Java . Good working knowledge of SQL , including troubleshooting, optimisation and data analysis. Ability to learn new tools, internal platforms and delivery workflows quickly. Familiarity with ...

resolve technical issues and complete bug fixes across various development environments. Collaborate with key stakeholders in Agile, Waterfall, and other development methodologies. Work with Java, Spring Boot, Spring MVC, Microservices, Hibernate, JPA, Cosmos DB, REST APIs, and distributed systems. Configure and support services using Docker, Helm, Kubernetes, CI/… environments such as Azure, with a focus on performance optimization. Stay current with emerging technologies and contribute to technology migrations and related initiatives, including Java upgrades, Kafka/EventHub, Databricks, and Python as applicable. Requirements 5+ years of Software Engineering experience. BS in Engineering/Computer Science or equivalent experience. ...

technical excellence Contributing to architectural decisions, reducing technical debt and improving platform sustainability Who we're looking for: Strong commercial experience developing software using Java and JavaScript/TypeScript Experience building and supporting RESTful microservices in Spring Boot, Node.js or similar frameworks Solid understanding of cloud technologies, ideally Azure, alongside ...

Help improve the performance, resilience and maintainability of existing platforms. Key Skills 5+ years of commercial software engineering experience. Strong backend development experience in Java + Spring environments. Experience working with Python and/or the Microsoft technology ecosystem. Strong understanding of distributed systems and scalable application design. Experience designing ...

team. Improving the performance, resilience and maintainability of existing platforms. Key Skills 5+ years of commercial software engineering experience. Strong backend development experience in Java + Spring environments. Experience working with Python and/or the Microsoft technology ecosystem. Strong understanding of distributed systems and scalable application design. Experience designing ...

someone who has experience in one or more of the following technologies but who is also open minded about learning new languages and technologies. Java, Python, JavaScript, TypeScript Angular, React, Vue Docker, Kubernetes AWS, Azure MERN, Elasticsearch, Neo4J Salary and Benefits A salary of £40-85k with an exciting ...

clean, readable code and takes pride in seeing features go live. Tech Stack Proficiency: Proficient in at least one modern language (e.g., Python, TypeScript, Java, Go) and comfortable working within cloud environments (AWS, Azure, or GCP). Pragmatic Mindset: You understand the balance between elegant code and delivering real value ...

Legal & General in London is seeking a Senior Engineer to join the Group Protection technology team, delivering modern cloud-based solutions across the full software delivery lifecycle. You will collaborate with stakeholders, mentor engineers, and ...

Java Developer/Backend Software Engineer (Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What's in it for you: Salary … your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Your role: As a Java Developer you will design, develop and deliver a range of transformational projects for clients, mainly within the financial services sector and with a focus on Kafka ...

Engineer to own architecture across multiple services, provide technical leadership, and contribute to engineering standards while continuing to code. The role centers on a Java/Spring Boot microservices platform on AWS (EKS) with a Next.js frontend and Camunda orchestration; it can be remote with occasional London travel each month ...

While we don't believe in rigid checklists, experience or interest in the following areas is a plus: Strong software engineering experience, particularly with Java, Kotlin, or other modern programming languages. Strong backend development experience, including Spring Framework/Spring Boot and RESTful APIs. Strong hands-on engineering skills, with ...

core bar for this role. Proven experience writing production code and building high-traffic systems at scale - this is a coding role first. Expertisein Java (17+); and the JVM, withstrongcommand of JVM internals, garbage collection behavior, and performance tuning under load. Kotlin is a plus. Hands-on experience with ...

services and platform architecture. You will lead architectural decisions, design scalable backend systems, and mentor engineers in GenAI patterns. Work with Python and Java, Kubernetes (EKS), and cloud-native architectures to turn AI prototypes into production-ready capabilities, collaborating with product, platform, and research teams in an Agile environment. #J ...

related discipline. - Around 2+ years' experience in software engineering, application development or Salesforce development. - Experience with at least one modern programming language such as Java, C#, JavaScript, TypeScript, Python or Apex. - Understanding of software engineering fundamentals including APIs, data modelling, testing, version control and CI/CD. - Knowledge of Salesforce ...

both new and existing systems. Provide on-call support as needed. Qualifications A minimum of 2+ years’ experience using at least one of Python, Java, and C++, and can work comfortably in multiple programming languages A track record of working directly with end customers, scoping and delivering production systems ...

work independently, communicate complex technical ideas clearly, collaborate effectively with stakeholders and champion better ways of working. Nice to Have Experience with Docker, Java/Scala, Kafka, Pulsar, Azure Event Hub, Collibra, Apache Iceberg, Apache Arrow, PySpark or AI engineering technologies such as Snowflake AI, LangChain, LlamaIndex or Pinecone would ...