276 to 300 of 338 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 click apply for full job details ...

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 ...

Credit eTrading Developer (Java) Duration : 12 Months (with renewals) Pay Rate : £750 (inside) Location : London - 4 days a week in the office I'm currently supporting a leading financial services consultancy that partners closely with front-office trading teams to deliver high-performance electronic trading solutions click apply for full ...

Senior Java Full Stack Developer Location: London (Hybrid - minimum 3 days onsite) Contract: 6 months Rate: Market rate (Inside IR35) The Role We are looking for a Senior Java Full Stack Developer to support the design, development, and maintenance of complex applications within a global engineering environment click apply ...

basic authentication, client authentication (MATLS) and Oauth(JWT) Experience of DevOps and Agile methodology and associated toolsets and methodologies CICD practices, Jenkins. Desirable skills: Java skill set Strong foundation in Java including OOP, functional programming (java 8+) Familiarity with Spring Boot's annotations, configuration, and how it simplifies Spring application ...

Java Engineer Salary to £ 45 k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency ...

Security Engineer – Software Developer Java Location: Remote from UK Type: Contract Inside IR35 We’re looking for a Security‐focused Software Engineer to design and build secure, high‐quality backend services that power core cryptographic and security‐sensitive platforms. You’ll work across Java engineering, HSM integration and modern DevSecOps … pipelines. Key Responsibilities Develop and maintain secure backend services using Java SE 8+ with a focus on performance and code quality. Implement cryptographic operations using JCA/JCE including keystore handling, encryption/decryption, digital signing, and secure random generation. Integrate applications with Hardware Security Modules (HSMs) . Apply secure ...

performing teams and communities, leading recruitment, onboarding, coaching, Communities of Practice, and contributing to wider engineering brand and culture. Tech stack React, Next.js, Typescript Java Kotlin Python Swift GraphQL Federation Cloud: Azure While M&S is principally a Java environment, the Personalisation group has a mix of Python and Java ...

Engineering — designing models and owning their production implementation. You’ll work across a dual-language stack: Python for research, modelling, and data analysis Java for building high-performance, distributed pricing systems This role is deeply embedded in the trading lifecycle, with direct impact on: Client pricing optimisation Flow analysis Automated … hedging strategies ⚙️ What You’ll Be Doing Design and implement quantitative pricing and hedging models within a high-performance Java framework Partner closely with Quant Researchers to develop alpha signals and pricing logic Work with large-scale datasets to optimise spreads and pricing strategies Build and deploy systems across multi ...

3+ years in a Staff-level or senior technical leadership role • Hands-on AWS (Bedrock, SageMaker) and/or GCP Vertex AI • Strong Python; Java or Rust a bonus • Experience with LLMs, evaluation frameworks, and agentic AI patterns • Docker, K8s, Terraform, CI/CD • A collaborative leadership style — mentoring engineers … shaping best practices ────────────────────────── Core stack: Python · Rust · Java · Amazon Bedrock · SageMaker · Vertex AI · LangGraph · Pydantic AI · LangFuse · MLFlow · Databricks · Datadog · Claude Code · Docker · K8s · Terraform · Vector DBs · Graph DBs ────────────────────────── London hybrid (2 days/week) Competitive Salary and benefits Not eligible for visa sponsorship ────────────────────────── Interested? Please apply, or know someone ...

applications for hospitality platforms (booking systems, guest experience, integrations, etc.). Lead frontend development using React, Next.js, and Vercel . Build backend services using Java, Spring Boot, Microservices, and integration frameworks . Define system architecture, APIs, and integration strategies with hospitality systems (PMS, booking engines, third-party services) . Work … . Provide technical leadership, code reviews, and engineering best practices. Required Skills: Strong experience in React, Next.js, modern frontend architecture . Backend expertise in Java, Spring Boot, Microservices, and API integrations . Experience designing scalable, cloud-based architectures . Exposure to hospitality domain systems (PMS, reservations, guest experience platforms ...

modern big data architectures Build scalable ETL workflows and data lake solutions using AWS-native services Engineer high-performance data processing solutions using Python, Java, Scala, Spark and SQL Integrate structured and unstructured data from multiple sources using APIs, scripting and cloud-native tooling Design and build robust AWS cloud … cloud expertise, particularly across data and analytics services Hands-on experience building ETL processes and data lake/warehouse architectures Proficiency in Python, Java, Scala, Spark and SQL Experience processing large-scale structured and unstructured datasets Experience extracting and integrating data via APIs and custom scripting Strong analytical thinking ...

currently working with a Tier 1 investment bank who are actively seeking multiple senior Java Developers to work on the development and maintenance of a market-leading algorithmic eTrading experience. What you'll need to succeed : Strong hands-on Java Development experience within an eTrading or front office environment within ...

Staff Software Engineer/Developer (Java JVM Kotlin AWS React) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated ...

currently working with a Tier 1 investment bank who are actively seeking multiple senior Java Developers to work on the development and maintenance of a market-leading algorithmic eTrading experience. What you'll need to succeed : Strong hands-on Java Development experience within an eTrading or front office environment within ...

writing. Evolve the tech stack by integrating modern technologies and patterns. What They’re Looking For Essential Proficiency in JVM-based languages, specifically Java or Kotlin. Deep experience with cloud-native architecture and multi-cloud environments. A pragmatic, iterative approach to solving complex technical challenges. Strong architectural thinking with ...

design documentation and oversee quality of other technical consultants' outputs. Skills Endur Development: Considerable experience in developing and customizing JVS and/or OpenComponents (Java or .NET C#) to extend Endur functionality. Connex Integration: Expertise in integrating Endur with external systems and data sources using Connex, ensuring seamless data exchange … Database Management: Strong understanding of Oracle and MS SQL Server databases, including database design, administration, optimisation, and performance tuning. .NET C# and/or Java Development: Proficiency in .NET C# and Java development for building custom applications, modules, and integrations within the Endur ecosystem. Endur Gateways and Accelerators: Demonstrate ...

involves supporting the technical operations team, investigating production issues, and resolving them using technical expertise and analytical skills. Experience Required: 4–10 years of Java development, design, and testing experience Prior experience in financial services technology Familiarity with Java frameworks (e.g., Spring) is beneficial Skills: Strong focus on delivery … ability to work in a dynamic environment Experience developing server-side Java applications Familiarity with version control systems (GIT, GitLab, GitHub) UNIX/Linux environment experience Knowledge of middleware and messaging systems SQL experience Understanding of order routing and messaging protocols Exposure to automated or algorithmic trading is a plus ...

seeking a skilled Java Developer to join our engineering team and contribute to the design, development, and maintenance of high-quality, scalable software solutions. The ideal candidate has strong experience in core Java, modern frameworks, API development, and cloud-based architectures. You will work closely with product owners, architects ...

build software that truly matters. The position leans more towards a back end engineer . This role is perfect for engineers who started as Java developers but have grown to work across multiple languages, frameworks, and stacks. If you like solving problems, shaping products, and exploring new technologies, this role … looking for This role suits engineers who are product-minded problem solvers , not just implementers. You’ll likely bring: Strong backend engineering experience ( Java is ideal, but mindset matters more than language) Comfort working across different technologies (e.g. Java, .NET, Python, Go, microservices) Experience in product-led teams Confidence operating ...

site Duration: 04/05/2027 Rate- £506 MUST BE PAYE THROUGH UMBRELLA Key Responsibilities: Lead and manage software development projects using Java, Python, Typescript, AWS, React JS, Angular, and other technologies. Collaborate with cross-functional teams to define project scope, objectives, and deliverables. Create the high-level design … working experience, london market experience will be added advantage Strong technical experience in Architecture, Design and Development Strong technical background with expertise in .Net, Java, Python, Typescript, AWS, React JS, and Angular. Proven experience managing end-to-end project lifecycles. Exceptional leadership and team management skills. Excellent problem-solving ...

technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support real-time … scalable, high-performance platforms that process large datasets and support complex pricing and risk analytics across asset classes. Key Responsibilities Design, develop, and maintain Java-based risk platform components that support pricing, market data integration, and risk analytics. Collaborate with quantitative analysts and model developers to integrate risk models into ...

engineering team and help maintain, improve, and modernise a core enterprise system. You will work closely with existing developers to maintain and upgrade a Java-based monolithic application backed by an Oracle PL/SQL database, gaining deep knowledge of the system and the business processes it supports. Alongside maintenance … system modernisation, making it ideal for someone who enjoys understanding complex systems and improving them over time. Key Responsibilities Maintain and enhance a Java monolithic application with an Oracle PL/SQL database Pair with existing developers to learn system architecture, domain logic, and business processes Refactor and improve legacy ...

oriented modelling in Python with production engineering in Java. You will use Python to analyse data, test ideas and support model development, while using Java to build and enhance high-performance pricing infrastructure used in a live, global trading environment. You will be involved in the development of pricing logic … pricing problems at scale. KEY RESPONSIBILITIES: Quant Developer OTC Pricing Build and enhance quantitative pricing, hedging and optimisation models within a high-performance Java framework Work alongside quantitative researchers to analyse large datasets and translate research into production-ready solutions Use Python for model prototyping, data analysis, signal investigation ...

Full Stack Software Engineer (Java/C#/React) – Broadcast & Video Technology Location: London Area - Hybrid Full-Time Contract Rates: Negotiable We are looking for a versatile Full Stack Software Engineer to join our engineering team working on cutting-edge solutions in the broadcast and media technology space . This … stakeholders to deliver high-quality solutions Contributing to and improving CI/CD pipelines and development workflows Technical Skills & Experience Strong experience with Java and/or C# Strong experience building modern UIs with ReactJS Building and supporting APIs and microservices Working with databases such as Oracle and/ ...