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    Senior Software Engineer Fintech API & Cloud Platform

    Requirements You're highly proficient in building robust, scalable Java services ,You have hands-on experience designing, building, and running applications in AWS ,You have built high-performance applications using Spring framework ,SQL experience (ideally with Ora ...

    Senior Software Engineer — FinTech Payments & Banking Integrations

    A leading fintech company in Greater London is looking for a Software Engineer to drive the development of payment technologies. In this role, you'll integrate new bank APIs and work on a variety of challenges in crypto and fintech. Ideal candidates should have a strong knowledge of Java and enterprise software, ...

    Senior Software Engineer, Unified Platform (Reference Data)

    DRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments and strategies, in financial markets around the world. As the markets have evolved over the past 30 years, so has DRW – maximizing opportuniti ...

    Senior Software Engineer Infra & Platform, AWS Scale

    A technology company focusing on media processing seeks a Senior Software Engineer in London. You'll engage in full-stack development, emphasizing infrastructure to scale systems for leading news organizations. This hybrid role allows you to impact critical engineering decisions and work with AWS, MongoDB, and m ...

    Senior Software Engineer (L5) – Hybrid, Scale & Impact

    Senior Software Engineer L5 Manchester (Hybrid, up to 4 days WFH) | £55k-75k Street Group is one of the fastest-growing PropTech companies in the UK. We want to be the leading creator of delightful experiences for everybody involved in buying, selling, renting and letting property, regard ...

    Senior Software Engineer – Hybrid Consulting (Java/Scala)

    Opencast | B Corp™ in the City of Edinburgh is seeking a Senior Software Developer committed to building high-quality user-centered services. The role requires experience in Java or Scala, and the ability to lead technical delivery while enhancing practices through collaboration and mentoring. Excellen ...

    Senior Software Engineer (Linux, React, IaC, Observability)

    Key Skills: Familiarity with Linux, including Bash scripting and basic system administration Familiarity with Javascript development and at least one Javascript framework Experience writing web backend Proficiency using and developing containers for development ...

    Senior Software Engineer — Cloud Microservices for Energy

    A leading company in the energy sector is seeking a Software Engineer to join their innovative team in Oxford. The role involves developing cloud-based software solutions that impact global energy markets. You will work with cutting-edge technologies and contribute to a microservices architecture. The ideal cand ...

    Senior Software Engineer Real Time Data Pipelines

    A premier betting solutions provider is seeking a Senior Software Engineer to join their Data Acquisition team in Harrow, UK. This role involves developing software for real-time sports data products and collaborating with engineers and data specialists. Candidates should have strong programming skills, experien ...

    Senior Flight Software Engineer — Embedded Rust/C++

    A leading space technology company is seeking a Flight Software Engineer to lead the design and implementation of software for satellite missions. Responsibilities include defining software architectures, overseeing testing, and mentoring junior engineers. The ideal candidate has deep expertise in Rust and profi ...

    Hybrid Senior Software Engineer Build Data Pipelines

    Matillion Limited based in Manchester is seeking a Senior Software Engineer to join their innovative team. In this role, you will work on production services, create public APIs, and mentor fellow engineers, all while collaborating in a hybrid work model where you'll be in the office two days a week. K ...

    Senior Software Engineer Agent & Datapath (eBPF) Isovalent

    Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisco Isovalent builds open-source software and enterprise solutions solving networking, security, and observability needs for modern cloud native infrastructure. The flagship technology, Cilium, is the choice of numer ...

    Senior Software Engineer, Unified Platform Reference Data

    DRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments and strategies, in financial markets around the world. As the markets have evolved over the past 30 years, so has DRW – maximizing opportuniti ...

    Senior Software Engineer GPU Capture and Replay

    Why PlayStation? PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, ...

    Senior Software Engineer: Scalable E commerce Platform

    A fast-growing technology startup is seeking a Senior Software Engineer to shape the future of its core systems. The ideal candidate will work closely with the CTO and the product team, focusing on building reliable and scalable solutions. Confidence in technologies such as Typescript, Node, and React is essenti ...

    Senior Software Engineer, Endpoint DLP – Go & Kernel

    A leading cybersecurity firm is seeking a Senior Software Engineer for their Agent Endpoint DLP team in London. The role involves using your strong programming skills to implement new features and improve existing functionalities. Collaborate with cross-functional teams and contribute to code quality and secure ...

    Senior Software Engineer ETRM & .NET Core Specialist

    A leading energy trading company in London seeks a Software Engineer to develop and optimize ETRM systems. Candidates should have a strong background in C# and .NET Core, with at least 8 years of experience. Responsibilities include proposing software designs, implementing solutions, and developing database fram ...

    Senior Software Engineer (C++/Rust) Greenfield System

    Platform Recruitment in Newcastle upon Tyne is looking for a Senior Software Engineer specialized in C++ and Rust. This role involves identifying solutions to client problems and building performant software in a greenfield environment. The consultancy focuses on highly regulated industries and offers significan ...

    Senior Software Engineer – AI Driven Financial Platform

    FIS Banking Solutions UK Limited in City of London is seeking a talented individual to build the core financial engines of an autonomous banking platform. The successful candidate will design and implement ledger and transaction engines, build high-precision financial tools, and ensure compliance within highl ...

    Senior Software Engineer — AI+Materials Platform (Equity)

    A cutting-edge materials technology company in London is seeking a Senior Software Engineer to define the technical foundations of their AI-driven platform. This hands-on role involves collaboration with scientists and engineers, focusing on backend architecture and product performance. The ideal candidate has 5 ...

    Senior Software Engineer Continuous Delivery (CD) Platform

    Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international p ...

    Senior Software Engineer, £500/day (Outside IR35)

    Senior Software Engineer, £500/day (Outside IR35) Opportunity for a Senior Software Engineer to work for a retail company near Manchester going through a large digital transformation. This is an initial 6-month contract outside IR35 to help deliver re-platforming of existing systems to a cloud ...

    Senior Software Engineer Business Expense Platform APIs

    A global technology company is seeking a Senior Software Engineer to enhance their Business Expense Management team. This role involves designing and maintaining scalable services, collaborating on public APIs, and solving complex problems. Ideal candidates will have strong Java skills, experience with microserv ...

    Senior Software Engineer Client SDK (UI Platform)

    Senior Software Engineer - Client SDK (UI Platform) Join to apply for the Senior Software Engineer - Client SDK (UI Platform) role at Postman . Who Are We? Postman is the world’s leading API platform, used by more than 40 million developers and 500,000 organizations, includi ...

    Senior Software Engineer, Core SDKs (Kotlin Multiplatform)

    Speechify is seeking a Senior Software Engineer for its Core Experiences Team in Birmingham, United States. This role involves building and maintaining APIs and SDKs that enhance the product experience. Candidates should excel in systems thinking and collaboration, with a strong focus on using Kotlin Multiplatfo ...

    Senior Spark/ADA Software Engineer — Safety Critical

    Capgemini is seeking a Software Engineer to join its High Integrity Software team in Bath, England. You will work with a diverse group of experienced engineers to develop software for safety-critical applications in sectors such as Aerospace, Defence, Rail, Automotive, and Energy. Key responsibilities include le ...

    Senior Software Engineer — Web App (TypeScript/React)

    Ravio is seeking a Senior Software Engineer to join their Web App engineering team in Greater London. This role involves leading the development of new modules and features for their SaaS platform, contributing to all phases of the development cycle. Candidates should have over 4 years of experience and profi ...

    Senior Software Engineer – Simscape: Hybrid Work & Modeling

    A leading technology company in the United Kingdom is seeking a Software Engineer for their Physical Modeling team. The ideal candidate will have expertise in C++ and experience with engineering systems. Responsibilities include developing simulation methods, managing software development processes, and interact ...

    Senior Software Engineer (Full Stack and Backend)

    Senior • London, Barcelona, Edinburgh and Berlin Responsibilities Pragmatism and obsession for simplicity, efficiency, and performance Extensive experience in similar roles building technically complex products in any web programming language An expert level at server-si ...

    Senior Software Engineer — Platform Core (TypeScript/React)

    Java Script Works is seeking a Senior Software Engineer located in London, United Kingdom. The role involves contributing to the rebuild and refinement of our core platform and writing clean, scalable code using TypeScript, React, and SQL. The ideal candidate will collaborate cross-functionally and des ...

    Senior Software Engineer Transit Tech & Scalable Systems

    A global leader in public transit solutions is looking for a Senior Software Engineer in Manchester to drive innovation in public transportation technology. The successful candidate will have at least 5 years of experience in software development, specializing in C++ and Java, along with cloud platform expertise ...

    Senior Software Engineer – AI Driven Inspection Platform

    PassFort in London is seeking a technical specialist to design innovative inspection software. You will work closely with users to understand their needs and develop solutions that integrate AI effectively. With a competitive salary of £120,000 - £150,000 plus equity, PassFort encourages a collaborativ ...

    Senior Software Engineer AI Driven Event Platform

    A technology company is seeking a Senior Software Engineer to work on an AI-powered event platform. You will be responsible for delivering features using modern software practices and mentoring team members. The ideal candidate should have significant experience with production-grade software and AI, along with ...

    AI Native Senior Software Engineer (Hybrid London)

    Axon in London is seeking an experienced software developer to lead the creation of groundbreaking AI-driven products. The ideal candidate will have over 7 years of software development experience, strong AI-native delivery capabilities, and the ability to work effectively in a hybrid environment. This ...

    Sr. Software/Data Engineer, Autonomy (AWS/Databricks)

    Sr. Software/Data Engineer, Autonomy (AWS/Databricks) About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions‑free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly chall ...

    Senior Software Engineer Full‑Stack, Impact & Equity

    Ashby is seeking a full-stack engineer to join our engineering team in Oxford, United Kingdom. You'll work on crucial features such as automated interview scheduling and user-facing filter architectures. The ideal candidate is ambitious, collaborative, and comfortable across the tech stack. We're offering a comp ...

    Datasets Software Engineer Sensors, Algorithms and Detections

    Overview Datasets Software Engineer (Contractor) to support data calibration and standardization workflows for a cutting-edge AI and Robotics end customer. You will play a critical role in building robust pipelines that unify and align data from a variety of sensors, contributing directly ...

    Senior Software Engineer Full Stack, Scalable Mobile

    Motorola Solutions is seeking a skilled Software Engineer based in Glasgow to develop mobile solutions for UK Fire Service customers. The ideal candidate will have extensive programming experience, particularly in Java or C#, and strong knowledge of software design patterns. Responsibilities include ar ...

    AI Native Senior Software Engineer — Hybrid London

    Artlogic is seeking a Senior Software Engineer to evolve their platform and guide technical direction. This role involves hybrid working based in London, requiring attendance at the office at least twice a week. The ideal candidate has significant experience in building cloud-based systems and is profi ...

    Senior Software Engineer, Risk Platform — Quantitative Tech

    A prominent trading firm in London is seeking a Senior Software Engineer to enhance their Risk Technology team. This role involves designing and maintaining applications that calculate portfolio sensitivities and value-at-risk across multiple asset classes. The ideal candidate will have strong programming skills ...

    Senior Software Engineer — Real Time Ad Serving

    WHO WE ARE Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow, and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), ...

    Senior Security Software Research Engineer – Defense Tech

    A leading technology firm in London is seeking a Senior Security Software Research Engineer to identify vulnerabilities and develop exploits. The role requires 3+ years of experience in vulnerability research, knowledge of various systems, and familiarity with common security research tools. Employees enjoy attr ...

    Senior Embedded Software Engineer: Edge AI & IoT

    Avanti Recruitment is seeking a Senior Engineering professional to join their team in Malvern, UK. This hands-on role involves developing embedded software for complex sensor-based products in regulated environments. The ideal candidate will have over 5 years of experience in embedded software developm ...

    Senior Software Engineer — Build Scalable Systems & Mentor

    The Abbey in Manchester is seeking a Senior Developer to join their collaborative engineering team. This role offers the chance to work on innovative, large-scale software solutions that serve a growing customer base. You will design high-quality software and tackle complex challenges in a supportive environm ...

    Cross‑Platform Desktop Software Engineer (C/C++)

    Raspberry Pi is seeking a Software Engineer to join their team in Cambridge, UK. This role focuses on designing, building, and maintaining cross-platform desktop software, specifically Raspberry Pi Imager and other applications. Candidates must have expert-level C/C++ skills and experience with multiple opera ...

    DTN Software Engineer — Remote UK (Rust, Kubernetes)

    Aalyria in the UK is looking for a DTN Software Engineer to enhance their cutting-edge technology in aerospace communication. Your role will involve developing DTN products using Rust and Kubernetes, working collaboratively to solve industry challenges. Ideal candidates will have a background in comput ...

    C# / C++ Software Engineer – Hybrid/Remote 12mo

    A leading defence organization is seeking a C# / C++ Software Engineer for a hybrid role based in the UK. You will support the development of advanced defence systems and work within an agile team using simulation technologies. This role requires proficiency in C# and some experience with C++. The contract is fo ...

    Senior Software Engineer Secure & Scalable Backend Leader

    scrumconnect ltd is seeking Software Engineers and Senior Software Engineers across the UK (except London). You will design, develop, and maintain software solutions as part of an agile team. Senior roles will lead technical initiatives and mentor junior engineers. Candidates must have experience with ...

    Geospatial Software Engineer MOD/Defence Outside IR35

    Geospatial Software Engineer – MOD/Defence Project, Farnborough, Hybrid, £#removed# per day Outside IR35 Contract opportunity for a Geospatial software engineer for a large MOD project. This is for a defence consultancy and security clearance (SC) would be needed prior to engagement. Due to the n ...

    Public Safety Software Engineer – Secure & DevSecOps (Hybrid)

    Daintta Ltd is seeking a Software Engineer to join their growing team, focusing on delivering secure software solutions in the Public Safety sector. This role emphasizes collaboration with multi-disciplinary teams and the application of software expertise in sensitive environments. With a mix of remote ...

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