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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 ...

Senior Software Engineer Build Secure, Impactful Systems

A UK intelligence agency is seeking a Senior Software Engineer to solve critical challenges in safeguarding the UK. You will design and build software solutions while mentoring a team and collaborating with various stakeholders. Along with a competitive salary including bonuses, the role offers a supportive cult ...

Senior Software Engineer Python (Perm, UK) UK

Senior Software Engineer - Python (Perm, UK) UK Senior AI Python Engineer (Perm, UK, Remote with occasional travel to client site) This is a full-time, permanent opportunity for candidatesbased in the UK. There will be a need to travel to the office in London occ ...

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 Software Engineer Build Secure, Impactful Systems

A UK intelligence agency seeks a Senior Software Engineer to solve mission-critical challenges using innovative software engineering techniques. You will design new systems, mentor teams, and communicate effectively with stakeholders, all while contributing to the safety of the UK. The role offers a competitive ...

Senior Software Engineer — Growth & Trading, Scale & Impact

A leading insurance company based in London is seeking a Senior Software Engineer to join their Growth & Trading team. In this key role, you will lead the design and operation of backend services, utilizing your expertise in TypeScript and AWS. You will collaborate closely with product and data teams to deliver ...

Senior Software Engineer Unity, Hybrid, Lead Games

A leading gaming studio in the United Kingdom is seeking a Senior Software Engineer to lead complex projects and craft scalable software solutions. The ideal candidate will have proficiency in C# and strong experience with Unity. In this role, you will optimize game engines, coordinate with team leads, and ensur ...

Lead Software Engineer, Shared Platforms & Cloud Enablement

A financial services company in Nottingham is seeking a Lead Software Development Engineer to design and develop software solutions within a collaborative engineering team. The successful candidate will have significant experience in API development, Java programming, and leading engineering best practices. This ...

Senior Software Engineer Remote/Hybrid, Lead & Mentor

A leading recruitment agency in Bristol is seeking a Senior Software Engineer to design and develop high-quality software solutions for innovative projects. The successful candidate will have strong problem-solving skills, expertise in software security, and knowledge of cloud technologies. Join a flexible worki ...

Senior Software Engineer – Lead & Scale Healthcare SaaS

A tech startup focused on healthcare solutions is looking for a lead engineer to drive technical execution and improve product outcomes. The role requires strong leadership, hands-on technical skills, and the ability to work across teams to deliver impactful features. Candidates should have a proven track record ...

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, £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 (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, Global Pub Admin Platform

A leading music entertainment company in London is seeking a Senior Software Engineer to join our Pub Admin development team. In this role, you'll work on a modern rights and royalty platform, contributing to high-quality user experiences through your expertise in frontend applications like TypeScript and React, ...

Senior Software Engineer, Core Experiences — Build SDKs

Clutch Canada is seeking a Senior Software Engineer to join our Core Experiences Team in Leeds, UK. This role involves designing and maintaining foundational services and SDKs for our product. The ideal candidate has experience with Kotlin Multiplatform and systems thinking, and thrives in a collaborative, fast- ...

Security Cleared Senior Software Engineer: Cloud & Backend

Forwardrole is looking for a Senior Software Engineer based in Cheltenham, England. In this role, you'll design, develop, and maintain vital infrastructure while tackling complex challenges and using cutting-edge technology. The ideal candidate will have strong hands-on experience in Java, JavaScript, or Python, ...

Senior Software Engineer Hybrid, Big Data & Cloud

MI5 is seeking a Senior Software Engineer in Cheltenham. The role involves solving mission-critical challenges and contributing to both new and existing systems' architecture. You will work with diverse methodologies and collaborate with stakeholders. Salary ranges from £50,354 to £60,036, plus benefits includin ...

Senior Lead Software Engineering AI/ML Engineer

Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your skills in solving complex c ...

Lead Software Engineer — Java/React, Cloud & Scale

A leading financial institution is seeking a Lead Software Engineer in Glasgow. This role involves enhancing and delivering reliable technology products, emphasizing security, stability, and scalability. The ideal candidate will have advanced experience in Java or React, a strong understanding of software develo ...

Senior Software Engineer Full‑Stack, Impact & Equity

Ashby is looking for an ambitious full-stack engineer in Manchester to tackle customer problems creatively. The role involves designing features like automated interview scheduling, implementing a filter architecture, and creating signing processes. Successful candidates will be both frontend and backend profici ...

Senior Software Engineer – Backend & Platform (Rust/Cloud)

A leading software company in the UK seeks a Software Engineer to join its Platform Engineering team. You will streamline delivery of SaaS product offerings, champion best practices, and mentor junior engineers. This role offers the chance to work with a range of technologies, emphasizing problem-solving. A stro ...

Senior Software Engineer London up to £150k

Forward Deployed Software Engineer (Python / TypeScript / AI) Oliver Bernard are partnered with a high-growth AI deployment company operating at the forefront of enterprise AI. Backed by top-tier investors and AI labs, they’re already delivering production-grade systems across finance, energy, an ...

Senior Java Software Engineer — Scalable Microservices (Remote)

10x Banking is looking for a passionate Software Engineer to work on cutting-edge technologies and deliver scalable solutions. This role involves building components for interest calculations and mentoring junior developers. Ideal candidates have solid Java skills, experience with cloud-based microservices, and ...

Senior Software Engineer Python, TypeScript and AWS

Applications processed via employer's online application form We are Liberty IT: industry leaders in digital innovation.Liberty IT is part of Libe... Senior Software Engineer - Python, TypeScript and AWS Overview Reach beyond with Liberty IT; for this is where you’ll find the super c ...

Senior Software Engineer, Kotlin Multiplatform Core SDKs

Clutch Canada is looking for a Senior Software Engineer to join their Core Experiences Team in Manchester, UK. This role involves collaborating with product teams to scope projects and deliver solutions via a cross-platform SDK. The ideal candidate should have strong systems thinking, speed in generating ideas, ...

Senior Software Engineer RFID & Cloud Native Systems

On is seeking a Senior Engineer for their Digital Twin team in Greater London. You will develop technological infrastructure to identify products across warehouses and retail environments using RFID technology. This role involves writing scalable code, maintaining cloud-native applications, and leading technical ...

Senior Software Engineer, Endpoint DLP – Go & Kernel

A leading cybersecurity firm located in London is seeking a Senior Software Engineer for the FortiDLP project. This role involves enhancing the endpoint agent capabilities while maintaining high code quality standards. Candidates should have robust programming skills, experience in systems analytics, and a colla ...

DV‑Cleared Senior Software Engineer — Secure Systems

A prominent UK security agency seeks a Senior Software Engineer to tackle mission-critical challenges in Cheltenham. You'll design, develop, and maintain software solutions using languages like Java, Python, and more. The job includes mentoring and working with cross-functional teams while engaging with various ...

Senior Software Engineer Platform & AI, Azure/.NET

A leading financial technology provider in Greater London is seeking a Senior Software Engineer. You will design and maintain software solutions, mentor junior engineers, and collaborate with teams to ensure high-quality code delivery. Essential skills include experience in test writing, continuous delivery, and ...

Senior Software Engineer, Unity Platform & Game Tools

A leading game development company in the UK seeks skilled Software Developers and Technical Artists with deep expertise in Unity. This role involves collaborating with external teams to optimize game performance and develop tools. Candidates should have experience in game development, proficiency in C# and Unit ...

Senior Software Engineer, Unity Platform & Game Tools

A leading game engine company in Greater London is seeking a skilled Software Developer to work closely with external customers in game development and production tools. The role involves solving complex challenges and ensuring project success by leveraging deep technical expertise in the Unity ecosystem. Candid ...

Senior Software Engineer Buy Side: Global Impact

Bloomberg L.P. is seeking a Senior Software Engineer to join the Buy-Side team in London. In this role, you will take end-to-end ownership of software development projects, delivering high-impact solutions for investment workflows. Candidates should have a strong foundation in object-oriented design, data struct ...

Senior Software Engineer Platform Architect & Team Lead

A forward-thinking law firm in London is seeking a Senior Software Engineer to lead its engineering team. You will be responsible for designing the platform architecture, managing infrastructure, and ensuring security practices are robust. The ideal candidate has over 5 years of backend software experience with ...

Senior AI Software Engineer (Generative AI) – FinTech

A fintech company based in the UK is looking for a Senior Software Engineer to join their Generative AI team. The role involves developing AI-driven solutions to enhance customer support and internal processes. Candidates should have over 5 years of backend software development experience, particularly with AI a ...

Senior Software Engineer Video Forensics Lead (London)

Axon Enterprise, based in London, is seeking a seasoned Software Engineer with over 8 years of experience to lead the development of advanced Video Forensics capabilities. The role involves cross-team collaboration and mentoring team members. This position operates on a hybrid work schedule, requiring in-office ...

Lead Software Engineer – Hybrid, Cloud & API Leader

Lead Software Engineer C#, .NET, SQL, API integration, Kubernetes, Docker.Dublin, IrelandPerm Role: €90,000 - €115,000 Harrington Starr has partnered with a Global Financial Technology company, seeking to hire a Lead Engineer, with extensiveexperience working with highly ...

Senior Spacecraft Software Engineer GNSS & Data Pipelines

A leading aerospace technology firm is seeking a Spacecraft Software Engineer to develop and maintain software for satellite GNSS missions. The role involves working with C++ and Python, developing scientific software, and collaborating with various teams to ensure high-quality data delivery. Candidates should h ...

Lead Software Engineer – Cloud Native Architect & DevOps

A progressive technology firm in the UK seeks a Lead Software Engineer to steer the technical vision and architecture of cloud-native platforms. In this hands-on leadership role, you will design scalable systems, enhance DevOps practices, and mentor engineers while ensuring the reliability and performance of exi ...

Senior Software Engineer Build Secure, Impactful Systems

A UK intelligence agency is seeking a Senior Software Engineer to help solve critical challenges. You'll design and develop systems, establish best practices, and deliver high-quality software solutions. This role requires mentoring abilities and collaboration across technical and non-technical teams. The ideal ...

Senior Software Engineer Build Secure, Impactful Systems

A UK Intelligence Agency is seeking a Senior Software Engineer to contribute to innovative software solutions that secure the nation. The role involves designing and implementing software systems, leading teams, and engaging with both technical and non-technical stakeholders. Candidates should have experience in ...

Senior UI Software Engineer Embedded Platform (Hybrid)

A leading streaming platform company based in Cambridge seeks a Senior Software Engineer. In this role, you will focus on developing core features for the Roku platform UI, integrating C++ libraries, and resolving platform issues. The ideal candidate will have extensive experience with C++ and Embedded Linux, an ...

Senior Software Engineer Drive scalable web platforms

A leading online food company is seeking a Senior Software Engineer to enhance code while leading projects. The role includes collaborating with teams, improving production systems, and guiding design decisions. Candidates should have experience with web applications and relational databases. The company values ...

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, ...

Hybrid Senior Software Engineer Python/Django, Cloud

A leading sustainability-focused organization in Birmingham is seeking a Senior Software Engineer to develop scalable software solutions and lead a delivery team. The ideal candidate will have strong expertise in Python and JavaScript, with experience in cloud environments like AWS or Azure. Responsibilities inc ...

Senior Software Engineer – Node/AWS, Hybrid & Remote

A dynamic SaaS company in Belfast is seeking an experienced Software Engineer to enhance their API and infrastructure. The role involves developing in TypeScript on AWS, designing scalable solutions, and collaborating closely with teams to focus on user experience. Ideal candidates will have a background in buil ...

Lead Software Engineer C# & Cloud (Hybrid, London)

A leading market infrastructure provider is seeking a Software Engineering Team Lead in London. You will manage a cross-functional engineering team, focusing on developing innovative solutions in a collaborative Agile environment. Ideal candidates will have strong experience in .NET technologies, cloud services, ...

Senior Software Engineer – Cloud Native, AWS & DevOps

A leading financial institution in Sheffield seeks a Senior Software Engineer to develop cloud services and optimize infrastructure. The role requires proficiency in Python and Golang, with experience in AWS and DevOps practices. Suitable candidates will have 5+ years in software engineering and a strong underst ...

London based Senior Software Engineer – FinTech Platform

Barclays seeks a Senior Software Engineer in London to design and build scalable C# (.NET/.NET Core) and Python calculation engines. The role involves developing data models in SQL Server, delivering low-latency REST APIs, and collaborating with stakeholders for accurate billing outputs. Ideal candidates will ha ...

Senior Software Engineer – Property Based Testing (London)

Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes collaboration and high ...

Regional TV Software Engineer — Embedded C/C++

A leading streaming technology company is seeking a Software Engineer to contribute to software development for regional TV platforms. In this role, you will collaborate with vendors and support certification processes while working on innovative software features. Ideal candidates have over 6 years of experienc ...

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    Software Engineer Reactpythonc Jobs in United Kingdom Job Search Guide, Trends and Insights