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Senior Software Engineer Core Experiences (Kotlin MP)

Clutch Canada is seeking a Senior Software Engineer for its Core Experiences Team. In this role, you will collaborate with product teams to optimize functionality, ship cloud functions, and design APIs that enhance user experience. Ideal candidates will have strong systems thinking and collaboration skills, part ...

Senior Software Engineer Payroll (Python/Django/React)

Java Script Works is seeking a Senior Software Engineer for a contract role in London. The ideal candidate should demonstrate strong written and verbal communication skills and effectively collaborate across diverse functional teams. Experience with Python, Django, and React is a plus. This position offers compe ...

Senior Software Engineer Imaging Hardware & Real Time

Convergent Research is seeking an entrepreneurial Software Engineer to take ownership of the software systems for our multi-photon microscopy platform. This broad, hands-on role involves hardware control, data acquisition, and real-time analysis. The role includes maintaining MATLAB software, developin ...

Senior Software Engineer — Enterprise AI Platform Architect

writer.com is looking for an exceptional senior software engineer to join their enterprise AI platform team in Greater London. The role involves designing and building generative AI services using Python, optimizing APIs, and ensuring scalable architecture. Candidates should have 5+ years in software engineer ...

Senior GNSS Satellite Software Engineer – Flight & Ground

Deepstreamtech is looking for a Spacecraft Software Engineer (GNSS) in Glasgow to develop and maintain software for satellite-based GNSS missions. This role encompasses the development of both flight and ground software, requiring proficiency in C++ or Python and experience with FPGA development. Candidates shou ...

Senior Software Engineer Core Experiences & SDKs (Remote)

Deepstreamtech is seeking a Senior Software Engineer to enhance their product experience by collaborating with multiple Product Teams and optimizing service functionality. The ideal candidate will have strong skills in systems thinking and expertise in Kotlin Multiplatform, with additional experience in GCP bein ...

Senior software engineer, enterprise AI platform (UK)

About the role Imagine that you’re stepping into a role where your code directly empowers the world’s largest enterprises to safely adopt superintelligence. Let’s explore this journey together. We’re looking for an exceptional senior software engineer to join our enterprise AI platform te ...

Senior Software Security Engineer: Secure SDLC & Cloud

Deepstreamtech in Edinburgh seeks a Senior Software Security Engineer with over 5 years of experience in Security Engineering focused on product and application security. Responsibilities include analyzing software designs for security issues, threat modeling, and advising engineering teams on security complianc ...

Senior Software Engineer – AI Materials SaaS, Equity

Jack & Jill, a deep-tech AI materials startup in London, seeks a Senior Software Engineer to build a cloud-based SaaS platform. This role involves designing sustainable materials through advanced image-based AI, emphasizing high ownership and architectural decision-making. The ideal candidate has over 5 years of ...

Senior Software Engineer, Core Experiences — Remote SDKs

Clutch Canada is seeking a Senior Software Engineer to join their Core Experiences Team in Reading, England. The role focuses on building and maintaining foundational services and SDKs that enhance the product experience. The ideal candidate should have experience with Kotlin Multiplatform and familiarity with G ...

Senior Software Engineer Energy Platform, Scale & Impact

Deepstreamtech is looking for a software engineer to join the Flex platform team in Greater London. You'll design scalable features that support energy retailers, grid operators, and consumers, working to build a more dynamic energy system. Responsibilities include collaborating with data scientists on ...

Senior Software Engineer: Lead Cross Functional Projects

Energy Jobline ZR is looking for a software developer in Oxford, UK, with over 5 years of professional experience. Candidates should be proficient in mainstream programming languages and comfortable adopting high standards in coding practices. This role emphasizes leadership in technical projects and effective c ...

Senior Software Engineer New London / Remote, UK

About the Role Established in 1744, Sotheby's is the world's premier destination for art and luxury. The engineering that powers it today reflects that same ambition, built on modern technologies and modern practices. Auctions are the most visible part of what we do, but every sale that r ...

Lead software engineer in London 8th Light

Lead software engineer 8th Light London, United Kingdom Posted 9 months ago Tech stack JavaScript React Java Python Artificial Intelligence Skills and Experience Understanding the unique needs of the ...

AI Native Software Engineer Ops Automation & Insights

Deepstreamtech is seeking an AI-native software engineer to revolutionize how our People and Finance teams operate using AI. You'll automate manual processes, integrate data from core systems like Workday and Greenhouse, and design multi-step AI pipelines to enhance operational capabilities. This role ...

Graduate Software Engineer: Build, AI & Scale (Remote)

Meetup is looking for a dedicated professional to build impactful systems that matter. You will take real ownership from idea to production, integrating essential AI tools into your workflow. The ideal candidate is highly ambitious, excels in problem-solving, and possesses strong team spirit. Meetup of ...

Senior Software Engineer in Hungerford Apache Associates

Senior Software Engineer Hungerford, United Kingdom Tech stack JavaScript Web API ASP.NET web C TypeScript React Qualifications Our ideal candidate will have hands‑on experience in web and application ...

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 — Python/Django, Own Backend

A financial services firm in Greater London is seeking a skilled software engineer to develop and enhance their investment reporting platform. The successful candidate will have over 5 years of experience with Python and Django, be involved in the full software life cycle, and collaborate with various teams. Thi ...

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 ...

London based Senior Software Engineer – Travel Platform

A leading travel management company is looking for a Senior Software Engineer in London. This role involves developing a travel-related web product using Python and Django, integrating with 3rd party APIs, and designing system architectures. Candidates should possess a strong programming background, a passion fo ...

Lead Software & Platform Engineer: Cloud, AI & Data

A global financial markets infrastructure provider in London is looking for a Lead Product Engineer. This role requires technical leadership and expertise in data engineering, particularly with AWS and Snowflake. Responsibilities include mentoring teams, designing cloud-based solutions, and leading AI integratio ...

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/SRE Managed Systems Engineering

Senior Software Engineer/SRE - Managed Systems Engineering Join to apply for the Senior Software Engineer/SRE - Managed Systems Engineering role at Bloomberg Overview The Bloomberg Terminal brings together real‑time data on every market, breaking news, in‑depth r ...

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 – 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 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 Electronic Trading Shared Services

Senior Software Engineer - Electronic Trading Shared Services Location London Business Area Engineering and CTO Ref # Description & Requirements We are part of the engineering organization that powers Bloomberg’s global Electronic Trading platform ...

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