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Backend Software Engineer (Shield) – Go Microservices Expert

Infosum is seeking a Backend Software Engineer in Basingstoke to develop and maintain backend systems. Responsibilities include collaborating on system design, backend development using Go, and optimizing database performance. Ideal candidates will have over 3 years of experience, proficiency in Go, and familiar ...

Member of Technical Staff Research Software Engineer

Overview Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. Our team of AI researchers and company builders come from DeepMind, OpenAI, Google Brain, Meta, Characte ...

Principal Software Engineer, Cloud Native API Platform

Priority Pass in Greater London is seeking a Principal Engineer to define the architectural vision for their API platform. This role encompasses leading the development of scalable, cloud-native systems and mentoring engineering teams. Ideal candidates are proficient in TypeScript, AWS, and event-driven architec ...

Senior Software Engineer, AI/ML Integration (27640)

This engineering software company is integrating AI and machine learning features into its application suite, and seeks a skilled traditional software engineer with experience working on similar projects. You will have architected, developed, and maintained robust, scalable software prior to the bu ...

Finance Software Engineer — Build Capital Markets Systems

Galatea Associates, located in Greater London, is seeking a Financial Software Engineer to join their innovative team. This role involves defining and developing systems for capital markets, emphasizing hands-on programming and client interaction. Candidates should possess a Bachelor's degree in a relevant field ...

Backend Software Engineer (Shield) – Go Microservices Expert

Infosum is seeking a Backend Software Engineer in Basingstoke to develop and maintain backend systems. Responsibilities include collaborating on system design, backend development using Go, and optimizing database performance. Ideal candidates will have over 3 years of experience, proficiency in Go, and familiar ...

Linux Software Engineer – Traffic Systems (C++, Python)

SWARCO is looking for a Linux Software Development Engineer to join their team in Leicester. You will develop software for the UK's most widely deployed Traffic Light Controller, co-develop tools primarily in Python, and ensure compliance with local regulations. The role requires a relevant degree and at least 2 ...

iOS Software Engineer II Build Travel Apps

TechBrains is seeking a Software Engineer II with iOS development experience based in or near Oxford, England. This role emphasizes writing code, collaborating with teams, and supporting back-end microservices in a remote-first environment. Candidates should possess at least three years of commercial software de ...

Research Software Engineer Scalable AI Tools & Pipelines

Mistral AI is seeking a Research Engineer based in London to design and optimize complex distributed systems, enabling researchers to train frontier-scale AI models. The ideal candidate has a Master’s in Computer Science, 4+ years of experience building large-scale systems, fluency in Python, and knowledge of co ...

Cloud Native Software Engineer – SaaS & .NET/Azure

Konker, based in Ulverston, is seeking an experienced Software Developer to join their agile development team. You will work on developing and enhancing cloud-based software products using modern technologies such as C#, .NET, and Azure. The position offers a competitive salary of £50,000 based on experience, 31 ...

iOS Software Engineer II Build Travel Apps

TechBrains is seeking a Software Engineer II with iOS development experience based in or near Oxford, England. This role emphasizes writing code, collaborating with teams, and supporting back-end microservices in a remote-first environment. Candidates should possess at least three years of commercial software de ...

Staff Software Engineer: Scale‑Focused AI Systems

Performativ, a fast-moving fintech scaleup based in Greater London, is seeking a Staff Software Engineer to tackle challenging technical problems. This role involves designing scalable systems, improving performance, and ensuring reliability across platforms. Ideal candidates will have strong experience in distr ...

Founding Software Engineer Lead Platform & Ops (Equity)

nineDots.io is seeking a Founding Engineer at the Senior/Staff Level in Greater London, offering a salary between £130,000 to £150,000. This role involves end-to-end ownership of the codebase and leading platform optimizations, collaborating closely with the CEO. Candidates should have a strong technical backgro ...

Hybrid Software Engineer — C#, WPF, Vue.js & Microservices

Proactive.IT Appointments Limited is looking for a talented Software Engineer to join their growing team in Bristol. The role offers a hybrid work arrangement with 2 days onsite per week. You'll design, develop, test, and maintain applications using C#, WPF, and Vue.js, while collaborating with a diverse team to ...

Lead Software Engineer (Java, Spring Boot, Microservices)

Job Level: 10 UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and d ...

Principal Application Software Engineer Relocation to Tokyo

We are committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual or ...

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 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 ...

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 ...

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 ...

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 Embedded Software Engineer – Satellite Systems & RTOS

Deepstreamtech in Glasgow seeks an experienced Embedded Software Engineer to support spacecraft operations. The successful candidate will focus on embedded software aspects of satellite systems, working closely with various engineering groups to ensure all spacecraft systems meet their mission requirements. Cand ...

Senior Embedded Software Engineer for Medical Devices

Metric Bio is seeking a Senior Embedded Software Engineer in Oxford to design and develop critical embedded software for medical devices. You will contribute across the full SDLC, focusing on safety and regulatory compliance. The ideal candidate has expertise in C/C++ and experience with embedded syste ...

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 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 ...

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 ...

Senior Software Development Engineer (CloudFront Control Plane)

Requirements AWS values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’ ...

Mission Dev Software Engineer — Embedded with Customers

Deepstreamtech, based in Greater London, is looking for a Software Engineer to join their Mission Dev team. In this role, you will solve complex data challenges on-site with end users, design and implement resilient data integrations, and embed within customer operations. The company seeks a proactive individual ...

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 ...

Senior Software Engineer – Distributed Systems (Remote UK)

Established in 1744, Sotheby’s promotes access and ownership of exceptional art and luxury objects through auctions, private sales and retail. Our deep expertise across 70 selling categories is supported by a leading technology platform and a global network of specialists spanning 40 countries. Selling catego ...

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 ...

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    Full Stack Software Engineer Reactruby Jobs in United Kingdom Job Search Guide, Trends and Insights