1 to 25 of 45 Permanent Senior Java Software Engineer Jobs in London

Senior Software Engineer, Quant trading – Python, JavaLondon (Hybrid)130,000-175,000 + benefits and bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading player … global cryptoassets industry, is seeking a talented Senior Software Engineer to join their dynamic team. This role will be instrumental in building and supporting a diverse technology stack, enabling my client to trade across multiple exchanges and regions with a wide range of strategies. ...

Senior Java Engineer – Financial Services Are you a strong, hands-on Java Engineer with experience building high-performance, distributed systems within Banking or Financial Services? We're hiring on behalf of a leading FinTech consultancy that designs and delivers business … financial institutions. Previously we've been particularly focused on engineers coming directly from payments, but we're now keen to speak with strong Java Engineers from across the wider Financial Services market. This could include Banking, Payments, Cards/Merchant Acquiring, Trading, Capital Markets, Investment Banking or other ...

Salary: 70000-85000/UK Pound Sterling Occupational Categories: Government Industry(ies): Consulting Services,Government/Civil Services,Information Technology,Recruiting/Staffing,Software,Telecommunications Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding … teams and shaping technical solutions? A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative Agile team, building bespoke software that solves complex operational challenges. What you'll be doingLeading ...

Senior Lead Software Engineer- Back-end Engineer - Chase UK At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive … from the ground up, offering you the chance to join us and make a significant impact. Job Information Job Identification 210591504 Job Category Software Engineering Business Unit Corporate Sector Posting Date 03/24/2025, 11:58 AM Locations LONDON, LONDON, United Kingdom Job Schedule Full time ...

Contract Role – Senior/Lead AI Software Engineer Java & Python x 2 – London/Hybrid – 12 months initial – Inside IR35 PAYE Role Overview: Job Title: Senior/Lead AI Software Engineer Java & Python Location … Hybrid – 4 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate: £ per day Inside IR35 Strong Java and Python development skills in mission-critical applications required. Proven experience building AI-based solutions in enterprise environments, including both machine learning and generative ...

Senior Java Software Engineer – FX Options Risk (VP) This position is responsible for designing, developing, and optimizing our mission-critical, high-throughput FX real-time risk system. As a SeniorSoftwareEngineer, you will leverage your deep technical expertise to drive the architectural evolution … this front-office facing role, you will collaborate closely with the FX Options Trading desk, translating business needs into robust, scalable, real-time software solutions. Responsibilities Technical Execution & Architecture Design, implement, and optimize critical FX real-time risk infrastructure, ensuring high performance, minimal latency, and high availability. Drive ...

raised capital from some of the world's best investors: Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator, and Kaszek Ventures. Senior Software Engineer (Java) Location London Employment Type Full time Location Type Hybrid Department About … grow fast with a world-class team, ARQ is the place to do it. What we're looking for As a Backend Engineer, you'll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You'll collaborate with a talented team ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture … development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute ...

Senior Full Stack Engineer | Java/Kotlin + Modern Frontend | Global Travel Tech Hybrid 2-3 days London £90,000 We're hiring a Senior Full Stack Engineer for a world-leading travel technology platform used by millions of people … globally. You'll own projects end-to-end — from backend APIs through to the frontend UI — across a modern Java/Kotlin and JavaScript/TypeScript stack. What you'll do Build and maintain scalable backend services (Java/Kotlin, RESTful APIs, microservices, SQL/NoSQL ...

chance to do it on a global scale and play a real role in shaping our exciting journey. The role As a Senior Software Engineer, you will be a hands-on member of a high-performing engineering squad, building and operating business-critical digital … services. This is a backend-led full-stack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services and APIs. You will also contribute to modern web interfaces using technologies such as React ...

Loyalty in London is seeking a Senior Software Engineer to shape our Pricing Service, the engine behind Avios rewards. You’ll design, build and operate cloud-native services using Java, Spring Boot and AWS, influencing technical direction while mentoring peers. ...

future of gaming. Are you ready to level‐up the game? The Role Focusing on our Sportsbook product, we’re looking for a Senior Software Engineer to help build and evolve our next‐generation trading risk platform, powering real‐time liability and exposure management … guarantees. Outcome‐level alerting that enables faster and more informed trading decisions. Integration with downstream systems, including trader‐facing tools. Experience 5+ years software engineering experience in building distributed systems. Excellent Java skills. Experience with streaming technologies (Apache Flink preferred; Kafka Streams, Spark Streaming, etc.). ...

Fasanara Digital in London is seeking a skilled Java Software Engineer to join a small, high-performing team supporting our 24/7 trading activity. You will own the development of our multi-venue collateral management platform and related data pipelines. You will work … primarily in Java and Kotlin on both new development and production systems, collaborating with investment stakeholders to deliver robust, scalable solutions for digital assets and traditional markets. #J-18808-Ljbffr ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture … development, and improvement of software systems click apply for full job details ...

JPMorganChase in London is seeking a Sr Lead Software Engineer (Java/Python) to help design, build, and deliver high-performance trading software within Digital Markets Execution Technology. You’ll contribute as a core technical member of an agile team, guiding architecture ...

enjoy designing and developing scalable, high-performance applications using Java and JavaScript? Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript? About The Team You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier … EKS. About The Role This position is performed by an experienced professional and will undertake difficult research, design, and software development assignments within a software functional area or product line, and provides direct input to project plans, schedules, and methodology in the development of cross-functional ...

integral part of an agile team that’s constantly pushing the envelope to enhance, build, and deliver top‐notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Global Sales OMS technology group working in EMEA with a focus … review, automated testing) and promoting reuse of proven patterns and automation within the SDLC/TLM toolchain. Applies knowledge of tools within the Software Development Life Cycle toolchain, including approved AI‐assisted development and automation capabilities, to improve the value realized by automation at scale. Drives decisions that ...

Role Overview TP ICAP are looking for a Senior Java Developer delivering low‐latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‐time messaging. In this role, you will be responsible for designing, building, and optimising mission … critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global teams, including ...

JPMorganChase is seeking a Senior Lead Software Engineer to advanced, secure, scalable technology products across multiple platforms. You will guide architecture, design and delivery, shaping product functionality and technical operations within a diverse, inclusive team. Ideal candidates bring deep experience in Java ...

HKEX Group in London is seeking a Senior Engineer to design and implement complex software solutions in a fast-paced, regulated environment. You will liaise with analysts, owners, and architects to translate requirements into robust designs and code. Expect active participation in reviews, documentation ...

money. For everyone, everywhere. More about our mission and what we offer. Job DescriptionAbout the role: We are looking for a talented Senior Software Engineer to join our Payin Platform team in the London office. This team owns layer that powers how money enters … many teams across the company, so correctness, reliability, and thoughtful API design matter enormously. QualificationsWhat do you need?:5+ years of experience in Java, Kotlin, Python or Go Strong experience with Spring framework, relational databases, distributed and concurrent systems (Kafka)Great cross-team communication - Can discuss and champion ...

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where your ideas … mobility while working with market-leading technology products. Be part of a team that thrives on creativity and continuous improvement. As a Senior Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build ...

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where your ideas … mobility while working with market-leading technology products. Be part of a team that thrives on creativity and continuous improvement. As a Senior Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build ...

commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. **Role Overview** TP ICAP are looking for a Senior Java Developer delivering low‐latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real … optimising mission‐critical trading services across multiple asset classes.**Role Responsibilities** **Experience/Competences** Strong experience designing and building high‐performance, low‐latency Java services within electronic tradingStrong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing and building event-driven systems ...

vision of being the world's most trusted, innovative, liquidity and data solutions specialist. Role Overview TP ICAP are looking for a Senior Java Developer delivering low‐latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‐time … responsible for designing, building, and optimising mission‐critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability ...