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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 ...

Lead Software Engineer | Defence Start Up | London

Lead Software Engineer | Defence Start-Up | London Lead Software Engineer required for a rapidly-growing London-based defence start-up building next-generation autonomous and AI-driven systems to support critical national security missions. Founded by experienced operators and technologis ...

Senior Software Engineer, Fullstack in London Vanta

Senior Software Engineer, Fullstack London, United Kingdom Employment Type Full time Compensation Competitive Visa Sponsorship Not provided Responsibilities Design, develop, and own new product functionality and/or infr ...

Lead Software Engineer Hardware Design Platform|Flexible

Circuit Mind is seeking a Lead Software Engineer in Greater London to take full ownership of backend development across their products. You will collaborate with various engineering teams to tackle challenges in hardware engineering, leveraging a modern tech stack including Python, PostgreSQL, and more. This pos ...

Graduate Software Engineer in Hessle Sewell Group

Graduate Software Engineer Hessle, United Kingdom Posted 10 months ago Tech Stack Software Engineer Vue.js JavaScript TypeScript C Skills Required Understanding of writing or maintaining manual ...

AI Software Engineer: Build Scalable AI Platforms

Fruition Group is looking for a Software Engineer with a focus on AI to build scalable backend systems and integrate AI capabilities. This role offers a competitive salary of £80,000 - £120,000 per annum, a hybrid working model, and opportunities for professional development in AI technologies. The ideal candida ...

Graduate Software Engineer – Java, Python & Scala (London)

WorksHub is looking for a Graduate Software Engineer located in London, United Kingdom. This full-time role offers a competitive compensation package. Candidates should have a degree in Computer Science or Information Technology, proficiency in programming languages like Python and Java, and a solid understandin ...

Lead Software Engineer Markets Tech (Python/Java)

JPMorgan Chase & Co. is seeking a Lead Software Engineer in the Markets Technology team to design secure, scalable solutions that support business objectives. You will collaborate across functions to create products and improve stability and delivery predictability. The ideal candidate will have a Bach ...

Lead Software Engineer: AI/ML & Cloud Systems

Kainos seeks a Lead Software Engineer based in Derry/Londonderry, UK. You will lead teams to develop innovative software solutions that impact users worldwide, focusing on Python or C#/.NET and modern AI technologies. The role involves managing and mentoring team members while ensuring the delivery of high-perfo ...

AI Software Engineer Computer Vision & Data Pipelines

White Swan Data is seeking an AI Software Engineer in London, UK. The ideal candidate should have expertise in Claude Code and strong Python skills. You'll be responsible for building and optimising AI workflows, developing computer vision tools, and managing databases. Benefits include a performance bonus, 25 d ...

Senior/Staff Software Engineer, Back End Leaning

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance vi ...

Senior Software Engineer Backend in London Bits

Senior Software Engineer - Backend London, United Kingdom Posted about 1 year ago Tech Stack JavaScript GraphQL REST TypeScript Node.js Responsibilities Design and implement clean APIs using REST or ...

Senior Lead Software Engineer: Cloud, Mentorship, Visa

NewsNowGh is seeking a Lead Software Engineer for a full-time permanent role in Cambridge, UK. The position offers an annual salary between £73,000 and £80,000 and involves designing and developing eLearning solutions. With a focus on mentorship and collaboration in agile teams, the role emphasizes leading techn ...

Lead Software Engineer Data in London LinuxRecruit

Lead Software Engineer - Data London, United Kingdom Posted 10 months ago Tech stack Python TypeScript Software Engineer Required Skills To optimize the platform's performance, a rough tech stack is in play. GraphQL or ...

AI Software Engineer — Build Production AI Systems

Fruition Group is looking for a Software Engineer - AI to create robust systems integrating AI into applications. The role involves working collaboratively to leverage modern engineering practices and develop internal tools to enhance productivity. With a salary range of £70,000 - £110,000, the positio ...

Lead Software Engineer Autonomous AI & Defence Systems

Oho Group, a rapidly-growing defence start-up in London, is seeking a Lead Software Engineer to drive technical ownership and shape system architecture. You will mentor engineers and work on cutting-edge AI-driven systems that support national security missions. Ideal candidates have 7+ years in back-end or full ...

Software Engineer III Full Stack Web Apps

Java Script Works is seeking an Engineer III for Software Development in Manchester, United Kingdom. This full-time role requires strong experience with .NET Core, ASP.NET, and proficiency in front-end technologies such as HTML5, CSS3, and JavaScript, along with frameworks like React and Angular. Familiarity wit ...

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 ...

Lead Software Engineer Secure Cloud Backend (Clearance)

Sanderson Government and Defence is looking for a Lead Software Engineer based in Cheltenham, Gloucestershire. This full-time position offers a salary of £100,000 and requires enhanced security clearance. The successful candidate will help build secure backend platforms for National Security and Defence clien ...

Remote Software Engineer Distributed ML Training Gensyn

The world will be unrecognisable in 5 years. Machine learning models are driving our cars, testing our eyesight, detecting our cancer, giving sight to the blind, giving speech to the mute, and dictating what we consume, enjoy, and think. These AI systems are already an integral part of our ...

Senior Lead Software Engineer Python & Java (FrontOffice)

TwinThread is seeking a Senior Lead Software Engineer with a strong background in Python and Java, located in London, UK. In this role, you'll be involved in developing crucial technology solutions in collaboration with the QES team, enhancing and delivering market-leading products. The ideal candidate ...

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 ...

Fintech Graduate Software Engineer (Backend) Regtech 2026

Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software engineering career, we invite you to apply. Please not ...

Golang Software Engineer — Hybrid (3 days onsite)

Pyramid Consulting, Inc is seeking an enthusiastic Golang Software Engineer based in Burgess Hill, UK. The role involves working on a global Loyalty and Benefits platform within a microservice architecture. Ideal candidates will have experience in Golang, back-end micro-services, and implementing CI/CD practices ...

Embedded Software Engineer – Hybrid, Global Impact & Growth

Hyster-Yale Materials Handling is seeking an Embedded Software Engineer for their Craigavon facility. The role focuses on designing and developing embedded software, engaging in Agile practices, and collaborating with global teams. Ideal candidates will have a relevant degree and experience with Simulink and C p ...

Staff Software Engineer — AI Powered, Scalable Systems

Fanvue LLC in Greater London is seeking a Staff Software Engineer to drive technical initiatives focused on platform scalability and reliability. The ideal candidate will have over 10 years of experience in software engineering, particularly with distributed systems and AI infrastructure. This role is critica ...

Senior Software Engineer – AI/ML & Node.js Expert

Java Script Works is seeking a Senior Software Engineer specialized in AI technologies. The role requires over 6 years of software engineering experience with strong proficiency in C#, Node.js, and Databases. The ideal candidate will have hands-on experience with AI/ML frameworks like TensorFlow and PyTorch. ...

Autonomy Software Engineer (C++, Embedded Linux, ROS)

IC Resources is looking for a Senior Software Engineer to join their team in the South Coast near Portsmouth. The role involves designing, implementing, and optimising autonomy algorithms for diverse R&D projects. Candidates should have extensive experience in C++ and Python, alongside knowledge of Embedded Linu ...

Software Development Engineer, Photos UI, Camera & Photos

Summary Apple is a place where you can build incredible products that affect the whole world. It's a place where every detail matters, where we obsess about the experience, and where everything is about surprising and delighting the customer. The Photos app is one of these iconic Apple ex ...

Software Engineer C++/Python in Didcot OxSource

Software Engineer – C++/Python Location: Didcot, United Kingdom Posted: 9 months ago Overview: An established software company based on Harwell Campus seeks a Software Engineer with strong experience developing software that interacts with hardware, including robotics, IoT ...

Software Engineer II Authentication & Authorization London, UK

Software Engineer II Authentication & Authorization London, UK At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, ...

Software Engineer, Research – Quant Finance Data Systems

DRW Holdings, LLC. is seeking a Software Engineer for their Cumberland Systematic team in London. This role involves designing and developing full stack systems for a global trading operation, focusing on high availability and integration with data sources like blockchain. The ideal candidate should ha ...

Senior Software Engineer AI in London RedCloud

Senior Software Engineer - AI London, United Kingdom Posted 9 months ago What you’ll need: At least 6+ years of experience in software engineering, with strong proficiency in C#, Node.JS , Databases (SQL, NoSQL) and 2+ years of experience working with AI/ML technologies, fr ...

Software Engineer Python/Django/Flask Web Apps

Stars Arena is seeking a Software Engineer specializing in Python, Django, and Flask, based in Newbury, England. The ideal candidate will bring 1-3 years of experience in web-based Python development. Successful applicants will contribute to an established Earth Observation and Mapping Software company, receivin ...

Principal Software Engineer Remote, Scale SaaS Platform

Franklin Bates is seeking a Principal Engineer to help scale a complex, globally deployed SaaS platform. This senior role requires strong technical leadership, influencing architectural decisions and improving performance in a fully remote-first culture. The ideal candidate will have significant experience in so ...

Lead Software Engineer .NET/C#/Angular (Hybrid)

MiTek is seeking a skilled Software Engineer to join our Worcester team, focusing on the development of our Optics business management platform. The ideal candidate will have 4+ years of software development experience, particularly with .NET, C#, and Angular. You will be expected to design, test, and debug soft ...

Principal Software Engineer in Bristol Hargreaves Lansdown

Principal Software Engineer Bristol, UnitedKingdom Posted 9 months ago Company Hargreaves Lansdown is the top UK investment platform for private investors, providing ISAs, pensions, savings, and investments in one convenient place. Tech stack Java ...

Senior Software Engineer — Craft Driven, Flexible Hours

hackajob is partnering with Opencast Software to find a Software Developer in Newcastle upon Tyne. The role emphasizes quality software development, requiring expertise in Java or Scala, and familiarity with digital services for UK government. Creativity and a collaborative spirit are essential. The salary range ...

Scale Software Engineer Cloud, Go/TypeScript, Kubernetes

Sky UK Limited is seeking a skilled software developer to join their team in Greater London. In this role, you will develop and deliver high-quality software, collaborate with internal teams, and mentor other developers. Key requirements include commercial experience with programming languages, proficiency in bu ...

Software Engineer (full stack) in Cambridge TidalSense

TidalSense: Transforming Respiratory Care TidalSense is a respiratory technology company with a mission to transform the diagnosis, monitoring, and management of chronic respiratory conditions, such as asthma and COPD. The company has ambitions to enable a population-scale change in respiratory car ...

Software Engineer Cloud, AI & Data (Hybrid/Remote)

A leading energy technology firm in the United Kingdom seeks a developer to work on innovative software applications for lifecycle project management. Ideal candidates will have a Bachelor's in Software Engineering and experience with C#, .NET, and Angular. Responsibilities include writing scalable code and deve ...

Software Engineer, Happiness Delivery — AI‑Driven Ops

On is looking for a Software Engineer to join the Happiness Delivery team to create a premium customer experience. You will develop innovative solutions utilizing AI and automation to enhance customer interactions and support efficiency. The ideal candidate should have solid backend development experie ...

ML Ops Software Engineer: Vision Pipelines & Cloud

Liberty IT in Belfast is looking for a Software Engineer focused on building computer vision pipelines to enhance underwriting analysis. You will work closely with data science and engineering teams while delivering high‑quality software and mentoring junior members. The role offers flexible work patterns, hybri ...

Backend Software Engineer for Golf Platform & APIs

Versant Media, LLC is looking for a Mid-Level Software Engineer in Belfast. The role involves designing and developing systems for a golf course management platform, focusing on scalable software solutions and high-quality code. Candidates should have 3+ years of experience, particularly in backend development a ...

Software Engineer DV Sponsorship (Defence Systems & Satcoms)

Software Engineer - DV Sponsorship (Defence Systems & Satcoms) £75,000 - £90,000 + Company Benefits + Progression + Hybrid + Company Bonus + DV Clearance Sponsorship Redhill - Hybrid Are you a Software Developer with a Telecommunications background looking to step into a high‑impa ...

Senior Calypso Software Engineer – Java & API Specialist

Nexus Jobs Limited is looking for a Senior Calypso Software Developer in London, United Kingdom. This role involves working with the Calypso API and Oracle DBMS to support back office processes like Settlements and collateral management. Ideal candidates should have strong Java skills and experience with CATT Au ...

Software EngineerSoftware Engineer in Manchester Uniting Cloud

Software Engineer Manchester, United Kingdom Posted 11 months ago This is a job posted by our partner Jooble Responsibilities Hands‑on experience with server‑side development (services, messaging, middleware) Comfortable with functional or OOP – J ...

Python/React Software Engineer FinTech Trading Platform

Hunter Bond is seeking a talented Software Engineer to join its dynamic technology team in London. This role involves designing and maintaining scalable high-performance applications, building robust backend systems with Python, and collaborating with traders and quants. The ideal candidate will have 1-5 years o ...

Test Systems Software Engineer in Rochester Matchtech

Test Systems Software Engineer Location: Rochester, UnitedKingdom Posted about 1 year ago Tech Stack Python C Responsibilities Verification and Configuration: Existing programming language knowledge such as LabVIEW, TestSta ...

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