151 to 175 of 350 Java Jobs in London

months (extension likely) Working Model: Hybrid Level: Senior/VP-equivalent individual contributor Overview A leading global financial services organisation is seeking a Senior Java Developer (Contract) to join its Electronic Fixed Income (eFI) Technology team. This role sits in a front-office electronic trading environment , focused on building … optimising low-latency, high-performance Java trading systems used by institutional clients. A core part of the engagement will be supporting the rollout and optimisation of TransFICC connectivity , alongside ongoing performance improvements across pricing, RFQ, execution, and market-data workflows. Required Experience Extensive background in electronic trading systems Strong ...

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 ...

prototypes using technologies such as AI, immersive tech AR/VR, sensors, and cloud platforms. Key skills: GCP Cloud/Kubernetes JavaScript, Python or Java AI/ML/Generative AI UX/UI understanding Unity or 3D engines desirable 2 click apply for full job details ...

public sector organizations across the UK. Ideal candidates will have active SC or DV clearance and strong experience in modern programming languages like Java or Python. The role demands hands-on effort in shaping architectural standards and modern engineering practices. Competitive compensation package offered. #J-18808-Ljbffr ...

Experience with Java and object-oriented programming concepts. Experience with data platforms, data processing frameworks and streaming technologies. Familiarity with microservices architecture and distributed systems. Exposure to Google Cloud Platform (GCP), particularly GKE, PubSub and BigQuery. Some experience working with relational and/or NoSQL databases. Knowledge of containerisation ...

limited to the following: ROLE/RESPONSIBILITIES Develop a thorough understanding of our entire technology stack Design and develop new features within existing Java services; create new services to expand the overall framework Contribute to future design and architecture Plan work in an agile manner with other team members Write ...

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 ...

clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused tech companies ...

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 ...

front-office, brokerage, exchange, ISV, software vendor or market data business. Experience within Equities or Fixed Income markets. Familiarity with modern tech stacks, including Java, Python or C++. Experience working within an electronic trading environment is essential. Excellent analytical, communication, and stakeholder management skills. 🌍 Why Join? You’ll be part ...

Linux 8, Windows Server 2008/2016/2019, VMware ESX v6, Docker, IBM Initiate (Master Data Management) Nice to have: Working experience with Java 8, 5, 6, 11, Enterprise JavaBeans (EJB) and JSP Immediate availability If you're interested in this role, click 'apply now' to forward ...

accountable and sustainable cloud provider🌳 What they're looking for in a Lead Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Confident ...

platform mindset and experience building systems that are designed to run reliably at scale. Strong software/platform engineering experience using Python, Go, or Java Experience building and operating distributed systems in cloud-native environments Hands-on experience with Kubernetes , containers, and infrastructure tooling Experience with LLM applications, AI/ ...

Principal Developer - React, NestJS, Azure, Java Hybrid, London | 6-Month FTC | £85k-£95k DOE Robert Half are working with a leading client who are an innovative leader in tech-driven solutions, and are seeking a Principal Developer for a 6-month fixed-term contract to join their IP Development team ...

Mandatory Skills & Experience Java 17: Functional programming features, records, sealed classes, performance considerations. Spring Boot: Auto-configuration, profiles, Spring Data/JPA, WebFlux (nice), validation, actuator. SQL & RDBMS: Schema design, indexes, query optimization, transactions, isolation levels. Apache Kafka: Topic design, partitioning strategy, consumer groups, offsets, retries/DLQ, schema registry ...

central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential, but interest ...

Strong AWS expertise, including tools such as Glue, Lambda, Kinesis, EMR, Athena, DynamoDB, CloudWatch, SNS and Step Functions. Skilled in modern programming, particularly Python, Java, Scala and PySpark. Solid knowledge of data storage and big data technologies, including data warehouses, databases, Redshift, RDS and Hadoop. Experience building and managing ...

Experience designing solutions on cloud platforms. Knowledge of agile practices such as Scrum or Kanban. Data visualisation and insight storytelling skills. Programming experience (Python, Java, C#, etc.). About the Team You'll be part of an AI, Engineering & Data function focused on helping organisations reinvent their core operations. ...

essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ , Java , or Go Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web Leadership & Approach Experience working in front‐office or trading‐technology ...

years’ practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

years’ practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

years of software development experience, including 3+ years leading or managing engineering teams. Strong background in object-oriented programming using languages such as C#, Java, Python, or similar. Experience building Microsoft-based applications across front-end, back-end, and services layers. Hands-on experience with Microsoft Dynamics 365, including customization ...

field of Software Engineering Proficient with Object Oriented Programming concepts with a strong understanding of Data Structures, Algorithms, and Computer Science fundamentals Experience with Java/Scala (JVM) and Spring along with a good grasp of OO design with strong design patterns knowledge. Experience with cloud-computing platforms such ...

Experience within the NHS or similar Healthcare setting Epic Bridges or InterSystems HealthConnect experience Skills Essential HL7 Interface development skills using technologies like .Net, Java, ObjectScript etc. Ability to plan ahead, prioritise and manage change in a formally controlled yet, pragmatic fashion. Knowledge of IG/Data Protection standards ...

Hybrid - London £550 per day (inclusive) Contract - Immediate Start We are seeking an SC Cleared Java Full-Stack Developer to join a high-performing delivery team working on complex, mission-critical government programmes. This is a hands-on role within an enterprise-scale Agile environment, contributing to the design, build … delivery of secure, high-quality full-stack solutions. What you'll be doing: Developing and delivering full-stack solutions with Java at the core Working across Front End and Back End components within Agile teams Contributing to solution design and engineering best practice Supporting CI/CD pipelines and ensuring ...