151 to 175 of 353 Java Jobs in London

opportunity to work at the intersection of high-scale banking and cutting-edge security engineering. You will be responsible for a pipeline that supports Java, Node, Python, and cloud-native deployments, ensuring compliance and performance at a global scale ...

opportunity to work at the intersection of high-scale banking and cutting-edge security engineering. You will be responsible for a pipeline that supports Java, Node, Python, and cloud-native deployments, ensuring compliance and performance at a global scale ...

Support data-driven improvements through analytics and experimentation Essential Skills & Experience 2–5 + years experience as a Full Stack or Software Developer React Java JavaScript, HTML, CSS PostgreSQL Experience using Git in a collaborative environment Ability to communicate technical concepts clearly to non-technical stakeholders Strong written and verbal ...

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 ...

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 ...

/4HANA architecture, extensibility models, and clean-core principles. Expertise in API design, integration technologies, and cloud development (CAP, RAP, Node.js, Java). Knowledge of identity and access management (IAS/IPS, OAuth, XSUAA) and security best practices. Experience with CI/CD, Git, deployment automation, and cloud operations. Proven ...

OSDK/APIs Actions and AIP/agentic features Proficiency in at least one general-purpose programming language commonly used with Foundry (eg Python, Java or similar) for data transformations, services and integrations. Solid understanding of core data engineering concepts: batch/stream processing basics, data modelling, data quality ...

industry. Role Summary You will contribute to building the Salt platform and supporting systems, working with modern technologies, for example TypeScript, Python, Java, AWS, Snowflake and AI-powered tools. This is a hands-on engineering role with real product impact. You will ship features, learn fast, and collaborate with ...

pyramid and tools such as Vitest, Jest, React Native Testing Library, Maestro, Detox Nice to have: Experience with iOS (Objective-C, Swift) or Android (Java, Kotlin) native development. Experience with mobile release processes for the App Store and Play Store. Experience with performance optimisation and profiling in React Native. Familiarity ...

Kneu is building the next era of neurology care using clinically validated smartphone monitoring, real-world data, AI insight, and deep clinical integration. Backed by Oxford-led research and FDA clearance, we help care teams ...

Senior Back-End Developer – Java Contract duration: 12 months Location: London (hybrid working) Pay: £700-800/day (PAYE) As a Senior Back-End Developer you will be instrumental in designing, developing and maintaining the back-end of complex microservices architecture. Your expertise in Java Microservice development will play … closely with cross-functional team, including product owner, business analysts, scrum masters, front-end and back-end developers • Design, develop and implement microservices using Java Spring Boot, ensuring code is modular, testable and re-usable • Design, develop and implement responsive and intuitive user interfaces using Angular and TypeScript/Java ...

Java Software Engineer Active SC Clearance Contract Length: Initial 3-month contract £400-£480pd (Inside IR35) Working Pattern: Flexible fortnightly on-site visit to a convenient Available Locations: Glasgow, Newcastle, Leeds, Sheffield, Manchester, Birmingham, Blackpool, Cardiff, London Role Overview We are seeking an experienced Java Software Engineer to join … quality software in a collaborative, fast-paced environment, contributing to systems used by both internal and external users. Key Responsibilities Design, develop, and maintain Java-based microservices using modern development practices Implement and maintain APIs for internal and external consumption Work in a TDD/BDD environment, building robust automated ...

Principal Engineer - Full-Stack (Java & React) Up to £130,000 - London - 3 days per week onsite Harvey Nash have partnered with a global consultancy that helps major organisations modernise their technology, build scalable digital products, and tackle complex engineering challenges click apply for full job details ...

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 ...

paying up to £1000 per day, depending on experience. Experience and skills required for the Data Scientist, Advanced SQL, LLM, RAG, Machine Learning, Python, Java Development experience in one or more object-oriented programming languages (e click apply for full job details ...

leadership, architecture, and hands-on coding capability, with close engagement in client-facing and pre-sales activity. What good looks like: Strong engineering foundation (Java, .NET, or similar modern stack) Comfortable being hands-on in code when needed (e.g. CI/CD, Terraform, Kubernetes) Proven experience leading teams and mentoring ...

team management experience Ability to influence cross-functional teams and senior stakeholders Extensive experience building complex Android applications System design and architecture capabilities Kotlin, Java, and Jetpack Compose Experience with Agile methodologies, TDD, and CI/CD practices This is an excellent opportunity to help shape the future of digital ...

month. Requirements: • Strong experience with React and React Native • Hands-on experience with native iOS (Swift/Objective-C) and Android (Kotlin/Java) development (or the desire to pick this up) • Proven ability to build, deploy, and maintain mobile apps on the App Store and Google Play • Solid understanding ...

Java Developer Join a high-impact Core Technology team at a leading hedge fund. About the Company This firm is a major player in the space, a multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise with … advanced software engineering to manage institutional capital globally. What You’ll Do Design and build high impact internal systems using Java Own projects end-to-end: from architecture to deployment Collaborate with analysts to solve real-world business problems Support and mentor junior team members on coding and data skills ...

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 ...

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 ...

services (or vice versa). You will architect 'Tier 0' services that filter and protect content across Who You Are * Expertise: Deep knowledge of Java and Python . The Stack: Experience with Ray , Apache Beam/Scio , dbt , and BigQuery . Mindset: Comfortable leading in ambiguous problem spaces and delivering ...

PostgreSQL, MYSQL, or similar RDBMS Display & Visualization SLD creation, HMI development, real-time dashboards, operator displays, and reports Programming/Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting Data Handling Real-time data acquisition, Historian integration, data replication, and logging Performance Tuning & Monitoring Query optimization, indexing ...

engineering leadership within trading, commodities, energy or capital markets. Proven experience running front-office application teams supporting live trading desks. Strong technical background in Java, React, APIs, real-time data and AWS. Experience delivering high-performance, low-latency trading platforms. Confident working directly with traders, quants and senior commercial stakeholders. ...