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Senior Software Engineer — High Impact IC, Remote

A leading eCommerce automation company in the UK seeks a Senior Software Engineer to tackle complex challenges and mentor junior engineers. The role focuses on delivering high-quality solutions while adhering to technical standards. Key responsibilities include design implementation, technical leadership, and co ...

Senior Software Engineer: Lead High Impact Features

A leading technology company in Manchester is seeking a Senior Software Engineer to lead complex software features from design to delivery. You will have the autonomy to address challenging technical problems and be a mentor for your team, driving improvement in both processes and skills. The ideal candidate wil ...

Founding Software Engineer – YC‑Backed Startup London

A YC-backed startup in London seeks a Senior Software Engineer to join their founding team. This role involves working closely with founders, shaping the product, and making key technical decisions. You'll directly impact product direction while working in a hybrid model, splitting time between the office and re ...

Senior Software Engineer TypeScript, React, Node £100K

Overview We’re partnering with a fast growing London founded scale up that is transforming how companies manage and empower their people. Their intuitive integration rich platform replaces outdated HR systems with a single beautifully designed hub, helping HR, Finance and IT teams save time, redu ...

Senior Software Engineer Real Time AI SaaS

ConnexAI in Manchester seeks a Senior Software Engineer to shape their digital presence by developing sophisticated SaaS applications for real-time systems in the AI sector. Ideal candidates will have extensive experience with Node.js, TypeScript, and a strong understanding of Linux Systems Administration. The r ...

Senior Software Engineer, Real World Robotics Platform

ISL Talent is seeking a Senior C# Developer for Insphere in the UK. This role is not standard and offers the chance to work on a real-world engineering product, contributing to architecture and technical direction while engaging with robotics and measurement instruments. You'll enjoy flexibility with a hybrid wo ...

Senior Software Engineer Ticker Plant, Event Processing

Description & Requirements The Ticker Plant system is a central hub of the Bloomberg market data infrastructure, processing daily volumes of several hundred billions of real‑time market events across 100 million instruments. The events originating in the Ticker Plant ultimately drive every financ ...

Lead Software Engineer: AI Driven Delivery (Remote)

Scott Logic in Newcastle upon Tyne is seeking a Lead Agentic Software Engineer to work at the forefront of AI-augmented software delivery. You will lead a multidisciplinary team, tackling challenging software problems while building relationships with clients and advising on technology decisions. The role requir ...

Senior Software Engineer, Core Experiences — Build SDKs

Clutch Canada is seeking a Senior Software Engineer to join our Core Experiences Team in Edinburgh. The ideal candidate will collaborate with product teams to deliver efficient solutions and ship cloud functions using Kotlin. In this fast-growing environment, you will have the opportunity to make a significant i ...

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 Embedded Software Engineer Hereford, UK Engineering

Looking for your next career move in a company that’s shaping the future of satellite communications? At ETL Systems, we’ve been leading the way in RF design and manufacturing for over 35 years. Our technology powers critical satellite communications infrastructure used by the top 20 satell ...

Senior Software Engineer — Public Sector Impact (Remote)

Made Tech is hiring a Senior Software Engineer to work across the UK government in transforming public sector technology. You will be responsible for writing high-quality software, mentoring team members, and contributing to the delivery of key projects that impact society. The ideal candidate will have a strong ...

Senior Software Engineer, Core Experiences (Kotlin MP)

Speechify is seeking a Senior Software Engineer for its Core Experiences Team in Brighton, UK. The role involves collaborating with product teams to enhance product functionality and designing efficient systems using Kotlin. Candidates should excel in systems thinking, collaboration, and have experience in high- ...

Senior Software Engineer Global Reliability & AI Systems

A leading global payments technology company seeks a Senior Software Engineer for a hybrid role to develop advanced software solutions. You will work in a multi-functional engineering team to tackle challenges in digital payment services, aiming for high reliability and performance. The ideal candidate has a str ...

Aptitude Software Senior Sales Engineer (Finance) London

The Senior Sales Engineer serves as a key technical contributor within the Go-To-Market team, responsible for aligning product capabilities with client requirements to support both new business and existing account growth. The role plays a critical part in enabling technical credibility across sales cycles ...

Senior Software Engineer Build Secure, Impactful Systems

A UK security agency seeks a Senior Software Engineer to tackle mission-critical challenges. The role involves contributing to software design and architecture while promoting best practices in a supportive environment. You will engage with diverse stakeholders, providing both technical leadership and mentorship ...

Senior Software Engineer – Fintech API, Cloud & Hybrid

A leading investment platform in Manchester is seeking a Senior Software Engineer to join its team. The role involves guiding a cross-functional development team to create high-quality products, mentoring staff, and ensuring adherence to Agile methodologies. Candidates should have experience in developing servic ...

Senior Software Engineer — Hybrid/Remote, React & Node

Oliver Bernard is seeking a Senior Developer to work at a leading finance company in Reading. This role offers the opportunity to be a part of a high-performance development team during an exciting growth phase. The ideal candidate should have over 5 years of commercial experience, especially with React and Node ...

Senior Software Engineer — Scale NeuroSymbolic AI APIs

Jack & Jill, a pioneering neurosymbolic AI startup in Greater London, is seeking a Senior Software Engineer to design and develop a public API infrastructure. You will collaborate with industry veterans to merge LLMs with symbolic reasoning technology, addressing fundamental challenges in AI. The ideal candidate ...

Senior Software Engineer — Insurance Platform (Hybrid UK)

Frontline Ins UK is seeking a Senior Software Engineer in Belfast, Northern Ireland. This role involves designing, developing, and maintaining software systems for our insurance technology platforms. Ideal candidates should have over 5 years of experience in full-stack engineering with strong expertise in React, ...

Senior Software Engineer, Core Experiences — Build SDKs

Clutch Canada seeks a Senior Software Engineer to join the Core Experiences Team, focusing on building foundational services and SDKs. The role requires strong skills in Kotlin Multiplatform and a collaborative approach to optimizing existing functionalities and shipping cloud functions. You will work in a fast- ...

Senior Software Engineer (Client SDK, UI Platform)

Senior Software Engineer - Client SDK (UI Platform) London, UK Who Are We? Postman is the world’s leading API platform, used by more than 40 million developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the ...

Senior Software Engineer – Climate Tech (Python/React)

Oliver Bernard is hiring a Senior Software Engineer (Python/React) in Greater London to develop software for climate technology initiatives. This role involves full-stack product development and partnership with a small, mission-led team. Candidates should have strong skills in Python and React, though diverse t ...

Senior Software Engineer Risk Platform & VaR Analytics

A leading trading firm in Greater London is seeking a Senior Software Engineer to join their Unified Platform - Risk team. The ideal candidate will possess strong programming skills, particularly in languages like Python or Java, and a good understanding of financial concepts like VaR. Responsibilities include d ...

Senior Software Engineer Remote Supplier Data Platform

A leading product experience company in Greater London is seeking an experienced full-stack engineer to drive product development and enhance supplier relationships. The role focuses on building solutions using technologies like Python and TypeScript, emphasizing user needs and collaboration with customers. The ...

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, Core Experiences SDKs & APIs

Speechify is seeking a Senior Software Engineer to join our Core Experiences Team in Edinburgh. This vital role involves collaborating with product teams, optimizing functionality, and shipping cloud functions using Kotlin. The ideal candidate demonstrates strong systems thinking, agility in project execution, a ...

Senior Software Engineer — Real Time Robotics (Embedded)

Tritanium Space, Defence & Technology Ltd. is seeking a Senior Software Engineer based in Southampton. This role involves developing real-time control systems, collaborating with engineering teams, and contributing to robotic operations and mission-critical technology. The ideal candidate holds a degree in Compu ...

Senior Software Engineer: Remote First Backend & Frontend

Tripadvisor is seeking a Senior Software Engineer in Oxford to join a dynamic team. This full-stack position focuses on backend development while offering the opportunity to work on front-end projects. You will collaborate closely with product managers and designers and will be part of a rapid release cycle, wit ...

Lead Automation Software Engineer for Bespoke Machinery

Mpac Group in Tadcaster is seeking a Senior Software Engineer to lead automation software delivery for bespoke machinery projects. Responsibilities include developing Software Design Specifications, leading commissioning activities, and mentoring junior engineers. The ideal candidate should have advanced experie ...

Senior Software Engineer, Unified Platform (Reference Data)

Overview 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 – maxi ...

Lead Software Engineer, Core Tech (C++ & Tools)

Sports Interactive Limited in London is looking for a Lead Software Engineer for their Core Tech team. The ideal candidate will have extensive experience in modern C++ and lead the design and implementation of scalable shared libraries. Responsibilities include managing engineers, providing technical leadership, ...

Senior Embedded Software Engineer in Eastleigh Staffline

Senior Embedded Software Engineer Location: Eastleigh, United Kingdom Posted 9 months ago Tech Stack Python SQLite C JavaScript Node.js Responsibilities & Qualifications Bachelor’s degree in en ...

Senior Software Engineer QuantumBlack, AI by McKinsey

Who You’ll Work With Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture – doing hard things, picking yourself up when you stumble, and having the resilience to try another w ...

Senior Software Engineer I (iOS) London, UK

Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. We’re home to the UK’s largest choice of properties and are the go‑t ...

Senior Software Engineer – Hybrid, Global Finance Impact

Citi in Belfast is seeking a Senior Software Engineer to work in a dynamic technology team focused on building software solutions for complex business challenges. You will engage in all facets of software development while collaborating closely with product teams. A bachelor's degree in computer science or engin ...

Senior Software Engineer – Loyalty Platform (Scale & Impact)

Marks & Spencer Plc is seeking a Senior Software Engineer to join their Loyalty team in the City of Westminster, UK. The role involves building and maintaining robust Loyalty platform services that support customer journeys. Candidates should possess experience in distributed systems, DevOps, and familiarity wit ...

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 – RGS Platform Lead (Hybrid)

Light & Wonder - iGaming is looking for a Senior Software Engineer in Chiswick, UK, to lead the technical internalisation of their Remote Gaming Server. The ideal candidate will have strong experience in Python and SQL, and will take ownership of the codebase, collaborating with product and DevOps teams to ensur ...

Senior Software Engineer AI Powered Fintech (Hybrid)

Signify Technology is seeking a high-impact individual contributor for a fintech client in Central London. The successful candidate will deliver high-quality code across the full stack, utilize AI and automation to streamline workflows, and provide technical leadership on complex challenges. Experience with AWS, ...

Senior Software Engineer – Full Stack & Scalable Systems

GOOGLE is looking for a Software Engineer in Greater London to develop next-generation technologies that impact billions of users. You'll participate in design reviews, review code for best practices, and work on full-stack development using languages like Java, Python, and JavaScript. A Bachelor’s degree or equ ...

Software Engineer III, Full Stack, Global Business

Minimum qualifications Bachelor’s degree or equivalent practical experience. 2 years of experience with software development in one or more programming languages, or 1 year of experience with an advanced degree. 2 years of experience with full stack development, across b ...

Senior Software Engineer — High Throughput Java & Cloud

Hong Kong Exchanges and Clearing Limited (HKEX) is looking for a Vice President in London to engineer and enhance their Inter-Office Trading platform. The role demands proficiency in Java, experience with cloud infrastructures, and strong skills in distributed systems and data streaming. Applicants should have o ...

Senior Lead Software Engineer Cloud & API Architecture

Job Description Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you'll collaborate with talented professionals, grow your skills, ...

Software Engineer Up to £400k + Bonus London

Job title: Software Engineer (C++/Python) Client: Performance Software Scale Up Salary: up to GBP 400,000 per annum + Bonus (DOE) Location: London - United Kingdom The role My client are seeking a talented engineer to join their existing team of elite software engi ...

AI Software Engineer — Cloud, DevOps & Secure Coding

Barclays is looking for an AI Software Engineer to design, develop, and improve software that enhances business capabilities. This role involves proficiency in advanced programming, system design, and collaborative problem-solving, along with skills in cloud platforms and DevOps. The successful candidate will wo ...

Windows Software Engineer Medical Device (C#, .NET)

Metric Bio in Oxford is seeking a Windows Software Engineer to join their engineering team. This role involves designing and developing software for Class II/III medical devices, focusing on secure connectivity and compliance with regulatory standards. The ideal candidate has expert-level skills in C# and modern ...

Principal Software Engineer SC Eligible | Lead Architect

Appvia Ltd. is seeking a Principal Software Engineer with UK Security Clearance eligibility to lead software engineering efforts. This role involves hands-on technical leadership, shaping architecture, and mentoring engineers. The ideal candidate possesses strong experience in Domain Driven Design, microservice ...

End to End Software Engineer AI & Integrations

Traveltechessentialist is hiring a Software Engineer in Birmingham, UK, to own features from design to deployment. Key responsibilities include building tools for travel booking, developing payment systems, and automating expenses. Candidates should have strong CS fundamentals and a product mindset for iterative ...

Senior Software Engineer Tech Lead (Ref:196504)

Job Title - Senior Software Engineer - Tech Lead - (Ref: ) Location - West Midlands Working Pattern - 3 days in office We’re partnering with a fast-growing product engineering team building modern digital platforms in the energy and utilities space. We are looking for a ha ...

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