1 to 25 of 37 Java Jobs in the City of London

Java Developer London, UK(3 days a week onsite & 2 days a week remote Rate : 500 GBP/Day (Inside IR35) Proficiency in Java, including Java 8 and above. Experience in designing microservices, developing, and deploying microservices. Strong knowledge of Spring Boot, Spring Cloud, and other Spring components. Expertise in building and consuming RESTful microservice Experience with SQL and NoSQL More ❯

x Senior Java Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look at any front office … Java developers Role details Role title: Senior Java developer/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent java developer background, banking is a must, ideally front office banking with … pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the senior java developer, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and devops to build a state of More ❯

/CD, Agile delivery, and containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis). If you're ready to tackle hard problems, enjoy architectural freedom, and More ❯

orchestration experience (Airflow, Prefect) Ability to build custom automation frameworks using Python or similar languages Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE 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 ❯

problem solving skills You're comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python, PostgreSQL, AWS, Docker You have More ❯

Resource Query Language, and Monitoring Query Language. Cloud Security Policy Engineering and Testing - create cloud security policy, engineer it, test it and deploy it. Experience Workload Coding Languages & Frameworks - JAVA REST services with Spring, Python, .NET, etc. Threat Modelling Skills with tools such as IriusRisk or similar; experienced at identifying security flaws in cloud solutions via architectural assessment and threat More ❯

Senior Software Engineer - Fintech Scale-Up Tech Stack: Java | Azure | JavaScript Location: London (Hybrid - 2-3 days/week) Package: £85-95k + 20% bonus The Company: Growing fintech working with major banks on business banking products, providing solutions and serving thousands of businesses. The Role Build scalable Java microservices for core banking platforms. Take ownership of key components … and work with a talented team on high-performance financial solutions. What You'll Do Design and develop Java microservices (Spring Boot, Hibernate/JPA) for backend systems Build cloud-native solutions on Azure with containerization Implement RESTful APIs using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (React/Angular) Champion CI/CD, TDD …/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need 5+ years with strong Java/J2EE expertise (Java 8+, Spring, Hibernate) Azure cloud experience with microservices (AWS considered) Docker and Kubernetes hands-on experience JavaScript with React or Angular Fintech/regulated industry experience preferred Why Join? Java-focused role powering More ❯

manage effectively in virtual environment where key team members and partners are in various time zones and locations Ability to take initiative, identify opportunities and implement change Expertise in Java Message Service (JMS) Strong background in Kafka and Confluent Platform Proficient in MongoDB for scalable data solutions Skilled in secure DevOps practices and cloud deployment automation Advanced capabilities in test More ❯

What were looking for: 6+ years professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation This role offers the chance More ❯

we re looking for: 6+ years professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation This role offers the chance More ❯

cloud-based data pipelines and architectures Strong expertise in Microsoft Fabric and Databricks, including data pipeline development, data warehousing, and data lake management Proficiency in Python, SQL, Scala, or Java Experience with data processing frameworks such as Apache Spark, Apache Beam, or Azure Data Factory Strong understanding of data architecture principles, data modelling, and data governance Experience with cloud-based More ❯

support on AI tools and best practices Staying up to date with the latest AI advancements Requirements: Proven experience in AI/ML projects Proficiency in Python, R, or Java Familiarity with AI frameworks and cloud platforms (Azure, AWS, GCP) Strong problem-solving and communication skills A degree in Data Science, Computer Science, or a related field (preferred) Benefits: Flexible More ❯

Description Join one of the most innovative and agile Java development teams in the country as we embark on a new chapter in London. Who are we? We are the leading software developers for web security testing. We are a UK company with over 48,000 customers in 140 countries, known for strong organic growth over the last decade. Recognised … impactful work without getting bogged down by red tape. Requirements We are looking for developers with a passion for building excellent software and working within a collaborative environment. While Java expertise is essential, your ability to thrive in a team, share knowledge, and engage in open problem-solving discussions is key. We welcome applicants from a range of experience levels … should have at least 8 years of hands-on software engineering experience and a proven track record of working in dynamic, fast-paced environments. Skills we value: Expertise in Java and experience with tools like IntelliJ IDEA, Kubernetes, Docker, and AWS. Ability to learn new technologies quickly and adapt to different programming stacks. Experience with SQL, API design and JavaScript More ❯

GitHub and ClearCase. Ensure reliability and performance for real-time, mission-critical systems. Primary Skillset 5+ years of experience with Linux and Windows OS . Strong knowledge of C, Java, Oracle Database, SQL, and shell scripting . Experience reading/debugging logs and system files. Familiarity with GitHub and ClearCase . Proven experience with real-time or mission-critical systems More ❯

experience of overseeing the Full Software System Lifecycle of a product Experience of working with software systems/programmes within an environmental setting Demonstrable experience in the use of Java Middleware, API, Docker, and MQ systems Good working knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of More ❯

Work experience in customizing and delivering Energy Management Systems Should have worked on Power Systems applications for Distribution (VVC (Volt VAR Control, Automatic Feeder Rate etc) Experience with C++, Java, SQL or other related language. Experience with LINUX and Windows Operating Systems Design, implement, and optimize ADMS solutions to meet business needs and improve operational efficiency. More ❯

an office-based role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science An interest in sports More ❯

. Apply prompt engineering, RAG (Retrieval-Augmented Generation), and context-aware pipelines to ensure accuracy and relevance. Integrate AI models with enterprise systems, APIs, and data stores using Python, Java, or Node.js backends. Collaborate with architects to define scalable and secure AI service architectures. Experience in the following Implementing AI/ML pipelines for model training, validation, and deployment (using More ❯

influencing skills Proactive attitude towards learning and adapting to new technologies and industry best practices Ability to work autonomously as well as collaboratively within a team setting Proficiency in Java, .NET and JavaScript Experience working with AWS and Infrastructure as Code Experience in supporting a trading or investment platform Information Technology degree or equivalent experience CMC Markets is an equal More ❯

post-placement follow-up Build and maintain strong client relationships, understanding their hiring needs and providing market insights Source and screen candidates for technical roles (SAP, ERP, CRM, DevOps, Java, Cloud, Digital, Blockchain, etc.) Negotiate offers and manage the end-to-end placement process Meet and exceed agreed KPIs and revenue targets Requirements Minimum 12 months 360 recruitment experience (tech More ❯

new ideas to the table for adoption throughout HL Digital. Contributing to technical decisions and shaping how we build our services. About You Experience building and deploying services with Java and Spring Boot. Comfort working in a cloud-native environment - Kubernetes (EKS), containers, scaling etc. An understanding of observability, using tools like Prometheus and Grafana to keep services healthy and … knowledge and learn from senior engineers within the team. Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS/NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/CD pipelines and DevOps principles TDD More ❯

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 9, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by delivering inbound experiences that are relevant … helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should be created, and how it should be built. Within their setup those decisions are … roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, Linux, C# or Java; which might have been acquired as part of your degree course or through a placement year in industry. At the center of our client's culture is freedom and openness More ❯

Senior Technical Business Analyst - Financial Banking Candidates will come from highly technical background with a track record of delivering complex, low-level code systems (e.g. C++, Java), with strong knowledge of performance optimisation and latency management along with Networking (TCP, UDP, multicast) and low latency data distribution. Ideally these skills will have been gained in a Low Latency Financial/… all levels. The appetite and ability to learn in the role is a must. Essential Proven track record of specifying and delivering complex, low-level code systems (e.g. C++, Java), with strong knowledge of performance optimisation, latency management, concurrency, and integration considerations. Strong knowledge of networking principles (TCP, UDP, multicast) and experience designing for resilience, throughput, and low-latency data More ❯

Lambda) Infrastructure as Code: Terraform Containerisation & Orchestration: Docker, Kubernetes (EKS), Helm Configuration Management: Ansible Monitoring & Observability: Grafana, Prometheus CI/CD: GitHub Actions Automation & Scripting: Python, Bash, Go or Java What We’re Looking For Proven experience running AWS cloud infrastructure in a production or regulated (financial) environment. Hands-on experience managing Kubernetes clusters (preferably EKS). Strong understanding of … stacks such as Prometheus and Grafana. Experience building and maintaining CI/CD pipelines (GitHub Actions or similar). Strong scripting or automation skills using Python, Bash, Go or Java . A collaborative mindset — comfortable working alongside developers, product teams, and security to ensure performance, reliability, and compliance. We’re open to Platform Engineers who may not meet every requirement More ❯