326 to 350 of 360 Java Jobs in London

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 ...

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … lifecycle, working with the latest AI technologies including Claude Code, GitHub Copilot, MCP, LLMs. Senior Software Engineer will: Develop and maintain software applications using Java Implement AI solutions to enhance software functionality and accelerate development workflows Collaborate with cross-functional teams to define, design, and ship new features Leverage ...

Java Developer Crypto Exchange Connectivity (Low Latency) Location: Home Based/1-2 days per month in London Salary: Circa £180,000 £200,000 + bonus + benefits Java Developer required for a small trading technology firm focused on crypto markets, working directly on exchange connectivity and low latency trading ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance ...

Head of Software Architecture (Java AWS Agentic AI) London/WFH to £130k Opportunity to progress your career working on a financial Tech for Good product in an impactful Head of Software Architecture role at a scale-up software house. The platform enables easier money transfer to people in emerging ...

background in financial markets, ideally on the buy-side, with significant commercial experience developing enterprise production-grade systems in Python and/or Java, a solid understanding of financial products and their representation, as well as an appreciation of middle and back-office processes covering operations, risk, compliance, and reporting.You … should apply for this role if you are/have: 8+ years commercial experience developing production-grade enterprise systems in Python and/or Java Asset/investment management experience in the front or middle office systems space Financial product understanding, ideally FIC, with operations, risk and compliance systems experience ...

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 ...

office systems supporting: Trade booking and lifecycle management Fund accounting workflows (including NAV calculations) Investor and client reporting platforms Develop scalable, robust solutions using Java and SQL across a distributed, client-server architecture Work closely with business teams (operations, finance, client services) to understand requirements and translate them into technical … release processes Participate in architectural discussions, design reviews, and technical planning Support continuous improvement of tooling, processes, and system performance Role Requirements: Strong Java development experience Solid SQL/database knowledge (e.g. SQL Server, Snowflake or similar) Good understanding of client-server and distributed system architectures Proven ability to deliver ...

language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS) — with particular emphasis on systems-level code, performance-critical applications, and infrastructure. You will evaluate and refine AI-generated code … Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS). Evaluate and refine AI-generated code with an emphasis on systems-level correctness, performance, and reliability. Collaborate with cross-functional ...

computer vision, and LLMs, to optimize document processing, data extraction, and decision-making workflows Programming and Development : Apply relevant programming skills (e.g., Python, Java, or .NET) to support solution development and customization within TotalAgility Technology Innovation : Identify opportunities to integrate emerging technologies into client solutions, driving innovation and competitive advantage … with cloud architecture and deployments, including designing scalable and secure cloud-based solutions Core Competencies Technical Skills Proficiency in relevant programming languages (e.g., Python, Java, .NET) to support solution development Experience with cloud architecture and deployments Understanding of enterprise security practices and compliance frameworks Knowledge of AI/ML model ...

Role: Software Engineer (Full Stack) Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Accenture is a leading global professional services company, providing a broad range ...

passionate and committed individuals who want to kickstart a career in technology! You must be willing to complete full-time training in our Java Automation Engineer programme and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan' consultant. ...

Tech Lead (Java/React) - Media Industry £650 - £850/day Outside IR35 London (Hybrid) We're looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership … engineering best practices and code quality Improving team performance and delivery pace Collaborating with global product and technical stakeholders Contributing hands-on across a Java (backend) and React (frontend) stack Helping rebuild confidence in a key global project What We're Looking For Proven experience as a Tech Lead - hands ...

Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time/Permanent Experience: 5-7 years We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London click apply for full job details ...

major financial market infrastructure is undergoing a multi-year transformation, moving from legacy COBOL-based systems on HPE NonStop to a modern, event-driven, Java-based architecture. This is not a simple migration. It’s a fundamental shift toward scalable, platform-independent systems built on Linux and containerised environments. … engineering standards Collaborate with security, infrastructure, and delivery teams Lead or support proof-of-concepts and prototype development Provide technical leadership, including hands-on Java development where needed Present architectural solutions to a range of stakeholders Ensure consistency, compliance, and quality across systems What you bring Core experience: Proven background ...

Bachelor’s degree in Computer Science, Software Engineering, or a related IT field.* 10-15 years of extensive software development experience.* Strong proficiency in Java—class creation, JVM internals, garbage collection—with certifications preferred.* Proficiency in SQL (Oracle, MS SQL, PostgreSQL), including stored procedures; certifications preferred.* Expertise in Linux command … line scripting (bash) and system administration.* Hands-on experience developing low-latency, high-throughput Java components.* Practical experience building cash equity trading platforms—OMS, EMS, Market Connectivity, Risk, GUI, Middleware, Middle Office.* Deep understanding of fundamental computer science concepts.* Experience with distributed caching technologies (GigaSpaces, Ignite, Coherence).* Full-stack ...

passionate about scalability, resilience, and secure systems design. Key Responsibilities Develop and customise DevOps tools, leveraging open-source technologies and programming languages such as Java, Python, and/or Go Manage, optimise, and secure diverse data stores, including object storage, inverted index systems, and relational databases Deploy and maintain distributed … management systems Key Requirements Strong software engineering background with experience in DevOps tooling and automation Proficiency in at least one of the following: Python, Java, or Go Hands-on experience with infrastructure as code and modern DevOps ecosystems Solid understanding of distributed systems, data platforms, and orchestration tools Strong focus ...

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent ...

building systems that ensure every production code change meets regulatory standards across thousands of repositories What You'll Do Architect & Build: Develop Java-based backend services (Spring Boot, Apollo) to enforce compliance controls within a GitHub Enterprise environment. Must have Skillset: Java, Springboot, GCP, GKE Who You Are Expert Developer … Java experience (Spring Boot, Bazel, Maven) with a focus on distributed services and Kubernetes (GKE). System Designer: Strong skills in API design (gRPC, GraphQL, REST) and relational databases like PostgreSQL. Cloud Proficient: Hands-on experience with GCP services, including BigQuery and Cloud SQL. Security Minded: Experience with (or strong ...

building systems that ensure every production code change meets regulatory standards across thousands of repositories What You'll Do Architect & Build: Develop Java-based backend services (Spring Boot, Apollo) to enforce compliance controls within a GitHub Enterprise environment. Must have Skillset: Java, Springboot, GCP, GKE Who You Are Expert Developer … Java experience (Spring Boot, Bazel, Maven) with a focus on distributed services and Kubernetes (GKE). System Designer: Strong skills in API design (gRPC, GraphQL, REST) and relational databases like PostgreSQL. Cloud Proficient: Hands-on experience with GCP services, including BigQuery and Cloud SQL. Security Minded: Experience with (or strong ...

coding tools into their workflow, but can reason and function without them where necessary. Cares about user delight over technical purity. Writes code in Java, Kotlin and ideally Javascript. Enjoys contributing to open source, including writing and speaking. Proactively improves their own skills and understanding of the domain they … working in Java/Kotlin Product Engineer We’re looking for a Java/Kotlin developer who has a solid understanding of networking and HTTP, experience building complex web applications and an eye for quality balanced by pragmatism about delivery. The right candidate will have a disciplined approach to code ...

Title: Lead UI Developer with Java Job Type: Contract Location: London Must Have Skills: React, Redux, Java, Fixed Income, e-Trading, AG Grid, RFQ Fixed Income IT product team is looking to hire a lead UI developer with over 10 years experience delivering enterprise level front office e-trading applications. … candidate will be primarily responsible for development for the Triforce Credit Project. Languages: JavaScript & TypeScript (10years+) Front end Frameworks: React & Redux (10years+) BackEnd: JAVA (5 years + ...

ensuring the quality and reliability of complex digital solutions, bringing strong automation and integration testing expertise across a modern TypeScript and/or Java technology stack. KEY RESPONSIBILITIES Design, build, and maintain automated test suites using Playwright or Selenium Write and maintain test code in TypeScript and/or Java … candidates without this will not be considered Strong experience in test automation using Playwright and/or Selenium Proficient in TypeScript and/or Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems ...

ensuring the quality and reliability of complex digital solutions, bringing strong automation and integration testing expertise across a modern TypeScript and/or Java technology stack. KEY RESPONSIBILITIES Design, build, and maintain automated test suites using Playwright or Selenium Write and maintain test code in TypeScript and/or Java … candidates without this will not be considered Strong experience in test automation using Playwright and/or Selenium Proficient in TypeScript and/or Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems ...

platforms within a front-office environment. Key responsibilities include: Designing and developing scalable server-side components in Python (with some exposure to Java where required) Building and enhancing systems that support real-time risk, pricing and PnL calculations Working closely with traders, quants and product stakeholders to understand complex requirements … skills - ability to operate in a fast-paced front-office environment Familiarity with Agile/Lean development practices Desirable: Experience with internal risk platforms Java exposure Computer Science (or equivalent) background McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. ...