1 to 25 of 32 Java Jobs in the City of London

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack development, and business … MUST have 5+ years experience in data or software engineering within financial services or a similar regulated industry. Strong full-stack experience with Python , Java (Spring Boot) , React , SQL, and relational databases. Hands-on experience with modern data engineering tools (e.g. Airflow, Spark, Kafka, dbt, Snowflake or similar). Experience ...

more interpreted languages (eg. Python, Bash, PowerShell, Perl, Ruby) and one or more compiled languages (eg. C, C++, C#, Golang, Rust, Java, Objective-C) One or more of the following certifications (OSCP, OSCE, GPEN, GXPN, CRTO, CREST Certified Simulated Attack Manager) Where and how you'll work This ...

adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

also valuable Experience with container technologies such as Docker and Kubernetes Good knowledge of at least one common programming language, for example Java, .NET or Node.js Experience designing and implementing logging and alerting concepts Strong analytical skills and the ability to assess complex system environments Project Context The programme focuses ...

Required Skills & Experience Technical Expertise (Exceptional Level) 2025+ years in QE engineering, transformation, and automation leadership. Mastery of: o Playwright, Appium, Selenium, Cypress, Java o API Automation (REST Assured, Karate, Postman) o Performance (JMeter, LoadRunner) o Cloud native testing (Azure, AWS, GCP) o Test orchestration, CI/CD pipelines ...

The ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. Data developers are responsible for designing, implementing and maintaining the systems and infrastructure needed to handle large volumes ...

development experience. AI/ML Focus : Experience with Large Language Models ( LLMs ), agentic development, Vertex AI , and vector databases (semantic search). Additional Skills : Java, Kotlin, and Go are 'nice-to-have' but not mandatory. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

adoption of modern cloud-native and GitOps practices Mentor senior engineers and influence engineering culture at scale Skills Required: Strong backend engineering ability (Go, Java or .NET) Extensive hands on expertise designing and operating high scale distributed systems Deep expertise in cloud native architecture (GCP/AWS) Advanced Kubernetes ...

least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail, communication skills, PowerShell scripting Incident management ...

small team of engineers, supporting performance management and career growth. Essential Requirements: Experience leading teams of engineers in implementing data-intensive systems. Proficient in Java, Scala, or Python for software development. Experience with ETL/data-processing platforms (e.g., Informatica, Azure Databricks) and advanced SQL. Strong understanding of distributed data ...

Senior Java Developer Investment Banking Fixed income Pricing and Risk This is a new and exclusive opportunity for a Senior Java Developer to join this Investment Banking business as they expand their Fixed income Pricing and Risk front office team Role details Title: Senior Java Developer Business area: Front office … income Pricing and Risk Permanent role £(Apply online only)k Location: London City Liverpool street station, home working hybrid 50/50% Technical stack: Java This is a senior Java developer to run Front office Fixed income Pricing and Risk java application development within this investment bank This ...

Bachelors degree in engineering, computer science or another technical related subject. programming proficiency with at least one major programming or scripting language (e.g. C++, Java, Python) high level of communication skills and ability to work efficiently with colleagues across multiple areas Additional desirable Qualifications for Quantitative analyst Knowledge ...

Conditions. Creating a cost optimised multi model journey management tool Key Skills: Knowledge of GCP Cloud architecture, development and deployment (K8s) Coding (JavaScript, Python, Java, etc.) UX/UI design AI/ML, generative design, 3D engines (e.g. Unity ...

Senior Core Java Engineer - Low-Latency Trading Salary: Up to £125,000 + bonus + benefits Location: City of London (3 days onsite) Build ultra-low latency systems at the heart of global FX trading! This is an opportunity for a Senior Core Java Engineer to join a leading Asian … fast-paced financial environment, this is the role for you. What you'll be doing Design, build and optimise low-latency, high-throughput Core Java trading systems Own and drive performance improvements across critical components Contribute to the architecture and evolution of a world-class FX trading platform processing billions ...

Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure ...

graph databases (Neo4j, GraphDB, Apache Jena, etc.). Data Modelling & Integration: Strong understanding of data architecture and integration techniques. Programming Skills: Proficiency in Python, Java, or similar for semantic data processes. Analytical Skills: Ability to troubleshoot ontology logic and query performance. Desired Experience Familiarity with metadata standards (Dublin Core, schema.org ...

Machine Learning, including agent-based AI, RAG (Retrieval Augmented Generation), multi-agent systems and conversational agents. Strong programming skills in Python, Java or .NET. Experience with GenAI and LLMs (e.g. ChatGPT, Claude, Llama, OpenAI), including prompt engineering, fine tuning and advanced search. Familiarity with AI agent frameworks (e.g. Autogen ...

Agile Coding is a small Java consulting company servicing European clients. We are expanding our team to help support the Java code base of a product within the large European company (SAP). We are looking to employ an experienced Java Developer with the following attributes: Minimum 5 years Java … coding experience with knowledge of patterns Proficient in the Spring framework A strong background in developing and maintaining backend applications using Java and Spring Boot (including recent commercial experience). Experienced in Unit and Integration testing. Database knowledge (preferably PostgreSQL) Must be used to working in a team environment ...

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 ...

Java Developer Location - Remote with some ad hoc travel to London 6 months £468 per day inside IR35 Active SC clearance required Skills: The ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. Data developers are responsible for designing, implementing and maintaining … variety of sources, ensuring that different data sets can be effectively combined and analysed. They can also utilise programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark Very useful - Python ...

Hands-on experience with HSMs (ideally nShield or Luna) Knowledge of PKCS#11 and secure key management practices Experience in regulated or security-focused environments Java and/or Python skills desirable Whats on Offer Salary up to £120,000 Pension scheme Private healthcare Share scheme 25 days holiday Fully remote ...

Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure … PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real ...

Full Stack Software Engineer React Typescript Java Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full … Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £85- £125,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily Front end React/typescript node.JS focused with a java base This ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, 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 … 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 ...