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Remote Senior Software Engineer — Distributed AI Search Platform

Algolia is looking for a Senior Software Engineer to join the Metis team in London. You will be responsible for designing, building, and operating Algolia’s cloud-based scalable architecture for NeuralSearch. The role requires experience in distributed systems, large datasets, and high traffic environments. This ...

Senior Software Engineer, Machine Learning in London Runna

Runna help everyday runners become outstanding by providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. To date we have built iOS, Android and Apple watch apps that help people achieve their goals by coaching them thr ...

Senior Software Engineer, Content Agent Full Stack & AI

A pioneering content technology firm in Greater London is looking for a Senior Engineer for their Content Agent. In this role, you'll engage in full-stack product work using TypeScript and React, contributing to the development of AI-powered systems that handle structured content. You’ll collaborate closely with ...

Senior Embedded DSP & Real Time Software Engineer Hybrid

Babcock Mission Critical Services España SA. is seeking a Senior Software Engineer in Bristol to develop and lead high-performance software for defense technology. You'll work in a skilled engineering team on digital signal processing and embedded systems across the full development lifecycle. Key qualifications ...

Senior Software Engineer — Scale Real Time Booking Platform

A leading property technology company in Birmingham is hiring a Senior Software Engineer to design and build scalable services for bookings and payments. This role involves high autonomy and impact, offering the chance to work on innovative automation projects. Ideal candidates will have strong experience with N ...

Senior Software Engineer — Remote, .NET/C#, TS & Mentorship

A fast-growing tech start-up in Manchester is seeking a Senior Software Engineer to design and build high-quality, scalable software while mentoring junior developers. This role offers real progression in a high-growth business, with the flexibility to work remotely (only 1 day/month in the Manchester office). I ...

Senior Software Engineer – Lead AI Driven Web Solutions

An advanced technology firm in Leeds is seeking a Senior Software Engineer to design and develop software systems for clients. This role emphasizes leading projects, mentoring junior developers, and driving continuous improvement within the organization. The ideal candidate has extensive experience in full stack ...

Senior Software Engineer – Node/API Backend, Remote Ready

A music technology company is seeking a Senior Software Engineer to redefine the music industry by building applications for a web platform. The ideal candidate has strong skills in JavaScript/TypeScript and Node.js, with experience in designing RESTful APIs and working in cloud environments. This role involves ...

Senior Software Engineer – End to End Energy Tech

A leading energy tech company in Greater London is seeking a Software Engineer to join an elite team focused on building the future of home energy management. You will take full ownership of your code, from design to deployment, working with technologies such as Node.js, TypeScript, and React. The role offers au ...

Senior Software Engineer, Core Experiences Manchester, United Kingdom

Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. <h3 ...

Senior Software Engineer – Unity/C#, Lead Features & Scale

Zynga seeks a Senior Software Engineer in Greater London to lead complex projects and develop scalable software solutions. You will mentor junior engineers while ensuring high standards of performance and security. A strong background in C#, Unity, and analytical skills is essential. The position offers a highly ...

Senior Software Engineer Lasernet Platform in Nottingham Formpipe

Working Environment Many employees face constant and often lengthy commutes. For those who prefer, our offices provide fantastic social and collaborative spaces. Here, you can be around others, spark your creativity, and work in warm and welcoming environments. Our spaces include amenities like f ...

Senior Software Engineer Real Time Racing & DevOps Leader

A leading motorsport team in Brackley is looking for a Senior Software Engineer to enhance software tools and systems. You'll mentor the team, streamline projects, and develop innovative solutions driving race performance. The ideal candidate has a strong background in Agile development, communication skills, an ...

Senior Software Engineer – AI‑Driven Event Platform (Remote)

A leading event platform company is seeking a Senior Software Engineer to own features from inception to completion. This role emphasizes a hybrid work environment and offers significant career development opportunities. Candidates should have experience with modern languages and frameworks, AI competencies, and ...

Senior Software Engineer TRAX London, GBR Posted today

Senior Software Engineer - TRAX Location London Business Area Engineering and CTO Ref # Description & Requirements Description The Trade Automation & Execution group builds the platforms and services that power modern electronic tradin ...

Senior Software Engineer (PHP/Laravel) – Hybrid, High Impact

hackajob is seeking a Senior Software Engineer for Street Group in Manchester. This hybrid role offers up to 4 days of work from home with a salary range of £55,000 to £75,000, depending on experience. The position involves developing high-quality software, collaborating within cross-functional teams, and promot ...

Senior Software Engineer Lead, Innovate & Grow in Security

Women in Data® is looking for candidates to join GCHQ in Cheltenham, offering competitive salaries between £50,354 and £60,036. The role emphasizes mentoring, technical expertise, and engagement with both technical and non-technical customers. With a focus on diversity, the employer encourages applications from ...

Senior Software Engineer Embedded for Safety Critical Systems

Expleo Group is seeking Software Engineers to join their Belfast team, focusing on high-integrity engineering solutions in safety-critical domains. The role involves software design, development, testing, and integration, catering to candidates with or without safety-critical experience. The position promises a ...

Senior Software Engineer – Distributed Systems & AI‑Driven Banking

FIS in Greater London is seeking an experienced professional to help build next-generation AI-enabled banking platforms. You will design and implement complex systems such as transaction engines and ledgers while ensuring correctness and scalability. The ideal candidate has strong proficiency in Go or Rust and e ...

Senior Test Software Engineer for Mission Critical Defense

A leading technology firm in Stevenage is seeking a Senior Test Software Engineer. This role focuses on developing high-reliability test solutions that integrate complex defence systems without a login screen. You'll need strong skills in C, C++ or ADA, and the ability to work in mission-critical environments. I ...

Senior Software Engineer, Networking for AI Driven Switches

NVIDIA is seeking an experienced Software Engineer in Cambridge to join the Networking Software team. You will design and implement new features for the SpectrumX Ethernet Networking solution, collaborating with engineers on projects for the largest AI networks globally. The ideal candidate has a Bachelor's degr ...

Senior ML Software Engineer Real Time & Compiler Lead

ARM LIMITED in Newtown, Wales, is seeking an experienced engineer to develop and design features in ML compilation technology. The ideal candidate will have strong programming skills in C, C++, and Python, and lead larger projects while mentoring junior engineers. This role involves close collaboration with the ...

Senior AI Driven Software Engineer – Multi Agent Systems

A leading software development company in Greater Manchester is seeking a Senior Software Engineer specializing in AI-enabled engineering. This role requires over 5 years of experience in software engineering and proficiency in Java, TypeScript, and MySQL. The candidate will design multi-agent systems and refine ...

Senior Generalist Software Engineer — AI/NLP, Remote Friendly

An innovative AI company in London seeks a generalist software engineer to build and architect its core product. As a senior role, you will lead engineering decisions and grow the team. If you have experience with Natural Language Processing and Artificial Intelligence, this position offers an opportunity to inn ...

Senior Lead Software Engineer: Drive Secure, Scalable Systems

hackajob is recruiting a Senior Lead Software Engineer for J.P. Morgan in Greater London. The successful candidate will join an agile team, delivering innovative technology products. Responsibilities include providing technical guidance, developing high-quality code, and influencing product design. The ideal can ...

Senior Software Engineer Backend & Infrastructure (f/m/d)

About the Opportunity As a Senior Software Engineer focused on content storage infrastructure domain you will be responsible for innovating and maintaining Contentful’s underlying storage infrastructure and adjacent services. You will work on the very foundation of Content ...

Senior Software Engineer, Backend Engineering London, United Kingdom

Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a singl ...

Senior Backend Software Engineer in London Engineering Employment

Job Description The job responsibilities include: Deploying ML workloads in streaming systems Influencing architecture and owning key infrastructure components Experience in Python Familiarity with JIRA and Confluence Hybrid role – 2 d ...

Senior .NET Software Engineer Remote/Hybrid, API & B2B

A technology recruitment agency is seeking a .NET Software Developer to join its Business Services team in Reading, offering remote/hybrid flexibility. The ideal candidate will have experience in C#, .NET, and developing high-quality web applications within a B2B environment. This role involves mentoring and sup ...

Senior Full Stack Software Engineer in London Townhouse

Customer-Facing Solutions From mobile apps and POS kiosks to internal tools and backend services. You’ll be hands-on across the stack — working with TypeScript, Vue, Expo, and Bun — and collaborating closely with product, design, and operational stakeholders to deliver robust solutions that ...

Senior Software Engineer — Global Travel API (Hybrid UK)

A leading travel technology company in London is seeking a Senior Software Engineer to design and build scalable APIs and backend systems. This role involves developing robust systems that connect multiple travel providers, while focusing on code quality and collaboration. The ideal candidate should have strong ...

Senior Software Engineer, Core Experiences Leeds, United Kingdom

Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. ...

Senior Software Engineer AI Driven, Client Facing Hybrid

Spinwell Global is seeking a Senior Software Engineer in Manchester. The ideal candidate will have solid full stack engineering experience and be comfortable communicating with clients. You will build production-grade software, collaborate closely with clients, and utilize AI in your work. The offer includes a c ...

Senior Software Engineer, Enterprise Agentic Automation (Remote EMEA)

About the role We’re entering a new era of automation. At Camunda, we’re building the operating system for agentic AI to automate critical business processes. The Enterprise Agentic Automation Team (EAAT) designs and operates production‑grade agentic solutions that serve as proof points for our c ...

Senior Software Engineer – Data Platforms for Quant Trading

G MASS Consulting is looking for an experienced Software Engineer in Greater London to join a leading Investment Manager on an initial 6-month engagement. The role involves designing, developing, and enhancing large-scale data and infrastructure platforms that support systematic trading and advanced research. Ca ...

Senior Software Engineer, Core Experiences Newcastle, United Kingdom

We’re looking for a Senior Software Engineer to join our Core Experiences Team. This team builds and maintains the foundational services and SDKs that power Speechify’s product experience across platforms. It’s a critical role for someone who enjoys working at the intersection of product and infrastructure ...

Senior Software Engineer: Cloud‑First SaaS for Healthcare

The Craneware Group in Edinburgh is seeking a Senior Software Engineer to contribute to the design, development, and delivery of high-quality software solutions for healthcare applications. The position requires experience in C#, .NET, Azure, and Agile methodologies. Candidates should have a degree-level educati ...

Senior Software Engineer, Core Experiences Brighton, United Kingdom

Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. <h3 ...

Senior Software Engineer Margin Technology Assistant Vice President

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we ...

Senior Software Engineer Fixed Income & Derivatives (Functional Programming)

Location London Business Area Engineering and CTO Description & Requirements As a financial data, news, and analytics market leader, Bloomberg continuously invests in its technology to keep delivering the best data and analytics to support the global derivatives ma ...

Senior Lead Software Engineer AI, Data & Cloud (Bath)

A technology consultancy in Corsham is seeking a Lead Software Engineer to manage software delivery and guide teams from concept to deployment. This role requires expertise in SQL and Python, along with strong leadership and communication skills. You'll oversee various projects, ensuring high-quality outputs, an ...

Senior Full Stack Software Engineer (SaaS Platform) Pathogen

Senior Full Stack Software Engineer (SaaS Platform) – Pathogen At the Ellison Institute of Technology (EIT), we are on a mission to translate scientific discovery into real world impact. We bring together visionary scientists, technologists, policy makers, and entrepreneurs to tackle humanity's g ...

Senior Software Engineer, Cloud Web Apps (Java/JS)

Elsevier in Greater London is seeking a Software Engineer III to contribute to the development of ScienceDirect's cloud-hosted web applications. This role entails designing, developing, and deploying applications while collaborating with product teams. Candidates should be proficient in Java, Spring, and JavaScr ...

Senior Software Engineer: Real Time Routing & ML Systems

A fast-growing logistics startup in London seeks a Software Engineer to tackle challenging problems and collaborate with experienced professionals. The role involves impactful work from optimizing operational tools to developing scalable applications. This company offers competitive compensation, generous equity ...

Senior Embedded Software Engineer Hybrid (C/C++, Linux)

A leading global safety technology firm is looking for a Software Engineer in Ware, UK. This hybrid role involves designing scalable software solutions using C/C++, collaborating with hardware engineers, and engaging throughout the development lifecycle. Ideal candidates will have experience in embedded systems, ...

Senior Software Engineer, AI Global Treasury Payment Network

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with ful ...

Senior Software Engineer in Test (SDET / Automation / SET)

Senior Software Engineer in Test (SDET / Automation / SET) Senior Software Engineer in Test (SDET / Automation / SET) Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Eden Scott Experienced Tech Recruiter with extensive experien ...

Senior Software Engineer Real Time FX Trading Platform

A global financial technology company in London seeks an experienced engineer to join their FXGO team, focusing on building and maintaining a premier real-time trading platform. You will engage in designing robust systems for high-volume trade events and optimally execute orders. Ideal candidates have strong C++ ...

Senior Software Engineer Fixed Income & Derivatives (Functional Programming)

As a financial data, news, and analytics market leader, Bloomberg continuously invests in technology to deliver the best data and analytics to support the global derivatives market. Every day, trillions of dollars pass through the Bloomberg Terminal. Bloomberg’s Derivatives Engineering team is responsible ...

Senior Software Engineer AI/ML, Cloud & SecOps (Hybrid)

Copello Global is seeking a Software Engineer in Cheltenham, UK, to work on impactful projects across Cyber and Intelligence. This role emphasizes collaboration and innovation, requiring full stack experience and familiarity with new technologies like AI, ML, and DevSecOps. Agile methodology and cloud experience ...

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