151 to 170 of 170 Java Jobs in London

Software Developer (Go) 6month contract insideIR35 Finance sector Rate: £40 p/h insideIR35 Location: London, hybrid working 3days in office. Skills: Go, Java Git, REST, Jenkins, NoSQL, Postgres We're looking for an enthusiastic, diligent Software Engineer to work with one of our well known client's fintech project. … ideal candidate will have 4yrs+ experience in backend development with ideally 2yrs+ of experience Go experience, Java is also beneficial. The platform you'd be working on is built using modern tools such as Go, Java, Kafka and Docker. You'll be you will be building and enhancing features ...

product runs on. You'll design multi-tenant data and workflow services in Python and FastAPI and own the integration layer between a Java/Spring core and Python AI services. This is one of nine engineering hires across front-end and back-end. THE ROLE Investment professionals need APIs … Head of Engineering as part of the UK core team. Build multi-tenant data and workflow services, plus the integration layer between the Java/Spring core and the Python AI services. Ship through disciplined CI/CD alongside the India-based delivery organisation. Combine service design with the production ...

quantitative analysts and technology stakeholders. Supporting platform reliability, monitoring, root cause analysis and continuous improvement initiatives. Integrating KDB platforms with wider technology ecosystems including Java, Python and messaging technologies. Essential Skills & Experience 10+ years' commercial experience developing with KDB+/q . Strong experience working within large-scale production environments. … performance optimisation. Proven production support and troubleshooting experience. Experience within Financing, Securities Lending, Prime Brokerage or Risk domains. Experience integrating KDB platforms with Java and/or Python applications. Knowledge of event-driven and messaging architectures such as Kafka . Excellent communication and stakeholder management skills. Desirable Experience Experience working ...

Position: Java Low Latency Engineer Location: London, UK (Hybrid-3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal candidate will have experience building … event-driven, concurrent systems designed for low-latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge of Data Structures and Algorithms. Experience with concurrency, multithreading, and low-latency system design. Knowledge of GC, JNI, Java Unsafe, and JNR-FFI. Strong understanding ...

Java Developer - Back Office Change City of London London (Hybrid - 3 days in office) Contract - 12 months Up to £700/day (Inside IR35) A well-established investment bank in the City is looking for a Java Developer to join its Back Office Change function, focused on modernising a range ...

investing significantly in its technology capabilities, evolving from a predominantly Microsoft-based environment towards a modern, cloud-enabled architecture incorporating C#, .NET Core, Java, AWS, Kafka and Redis . The successful candidate will combine strong hands-on engineering expertise with the ability to independently design, architect and deliver complex software … complex engineering challenges. Desirable Experience AWS or another major cloud platform, ideally involving application modernisation or cloud-native development. Modern .NET/.NET Core. Java development experience alongside C#. Distributed systems, Kafka, Redis or event-driven architectures. Experience developing applications supporting OTC derivatives or complex trade lifecycle processing. Practical experience ...

Framework, Cypress, Karate or Appium; Postman or SOAP UI; Jenkins and GitHub; JSON, SQL, Kafka or Grafana; performance, resilience or security testing; Python or Java; ISTQB; testing AI-powered or agentic capabilities Ready to Apply? If you want your automation to protect real flights, real passengers and real operational deadlines … Automation Engineer, SDET, Senior QA Analyst, API Test Engineer, Playwright, Selenium, Cypress, Robot Framework, Karate, Appium, Postman, Jenkins, GitHub Actions, CI/CD, Python, Java, SQL, Kafka, ISTQB, Agile testing, regression testing, airline operations, load control, weight and balance, aviation software, safety-critical systems. Deerfoot Recruitment Solutions ...

platform capability, designing how the platform lands inside sophisticated investment firms. You will lead technical discovery with clients, design integration architectures across a Java/Spring core and Python services, and own the trade-offs that make enterprise deployments repeatable rather than bespoke. This is an engineering-side role that … solution, enterprise or technical architecture Strong grasp of REST, AWS, SaaS multi-tenancy and security fundamentals Hands-on familiarity with Python and/or Java, able to read APIs and debug integration issues with engineers Experience scoping or deploying LLM-based capability with enterprise clients, including how success was measured ...

Cato Cloud Engineer 6-month contract – Remote The Cato Cloud Engineer Role: VIQU are seeking a Cloud Engineer to join a central Cloud Engineering team, helping enhance and automate cloud infrastructure while supporting cloud migration ...

Cato Cloud Engineer 6-month contract – Remote The Cato Cloud Engineer Role: VIQU are seeking a Cloud Engineer to join a central Cloud Engineering team, helping enhance and automate cloud infrastructure while supporting cloud migration ...

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. ...

work from initial idea through to production. Design and build backend services, APIs and integrations across complex systems and data platforms. Work primarily with Java and SQL, with exposure to Angular or another modern frontend framework. Make pragmatic decisions around architecture, data, APIs and event-driven approaches. Raise engineering standards … Staff Engineer or equivalent with a strong backend/integration background and the confidence to influence technical direction. You should have strong experience with: Java and SQL Backend services and API development System integration and software architecture Automated testing and CI/CD Working across the stack, ideally with Angular ...

Contract: Tech Lead/Software Engineering Manager - Backend (TypeScript/Java, AWS) Location: London - 1x Day Per Week Onsite Rate: £750 per day via Umbrella Programme: Greenfield Middle-Office Transformation Length: 6 months initial + further extensions (long term programme) A leading UK wealth and investment platform is hiring … collaborative approach to working through ambiguity and bringing clarity to complex problems Technical background Experience with most of the following is desirable: TypeScript, Java, AWS and wider cloud architecture, event-driven and microservices architecture, containers, relational and NoSQL databases, TDD/BDD and CI/CD. The business ...

Experience with defining data strategy, data migration approach, data integration approach Experience being a hands on data architect (only when needed with programme languages Java, Scala and Python) Experience with Big Data technologies Experience with Microsoft Azure and services Experience with both open source and vendor data platforms. Experience with … Experience of designing for both structured and unstructured data An understanding of non-functional drivers for design Experience with data modelling Strong background in Java and REST Services - ability to design solutions as well as review code As a technology consultancy, we look for people who can deliver both exceptional ...

translating business priorities into clear product, technology and investment plans. Set engineering strategy and technical direction for the Coda and FP&A codebases (mainly Java, C, and TypeScript), and stay hands-on enough to engage credibly in architecture and design decisions. Establish a clear multi-year technology roadmap aligned with … ownership with startup experience, or equivalent experience operating with startup-level speed and agility inside a larger organization. Strong hands-on fluency in Java, C, and TypeScript, or closely comparable languages, with the depth to make and defend architecture and technical trade-off decisions. Proven experience balancing the servicing ...

Contract Opportunity | Senior Quantitative Developer – Derivatives Pricing Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. Remote ...

Contract Opportunity Senior Quantitative Developer Derivatives Pricing Remote or Hybrid/London (Flexible) 6-month initial contract (extension highly likely) ASAP Start Competitive Day Rate up to £850 per day dependent on experience I'm ...

engineers time across Wise. What do you need?: A senior engineer comfortable working in a polyglot environment. Our tools and services span languages including Java, Go, Python and TypeScript. You need to be an expert in either Java, Go or TypeScript, but not all of them. Strong experience building ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical. … within our London office (near Liverpool street) 5 days on site per week. The Role Ultra-Low Latency Engineering Develop and optimise high-performance Java (21+) systems for pricing, risk and trading. Build and enhance components within a low latency, high-throughput trading architecture. Apply advanced concurrency, memory management ...

Engineering: Java Open-Source Data Infrastructure Package: £175k - £217k base + 15% bonus + options Location: UK remote-first. My client, a profitable, Series-D software company (circa 110 people, $40-45M ARR) behind one of the most widely-used open-source real-time data platforms in the world … looking for a VP of Engineering with a strong technical/Engineering background (ideally in Java). The person will own the engineering direction and execution. It's the top engineering seat: 40 engineers, 3 engineering managers reporting in to you, Person Specification: You're an architect-leaning technical leader ...