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Senior Software Engineer Hybrid, Siemens TIA Portal

Samuel Frank is seeking a Senior Software Engineer to join a growing automation business delivering automated warehouse systems across the UK. The role involves software development with Siemens TIA Portal, focusing on automated systems including palletisers and conveyors. Candidates should have strong Structure ...

Senior Software Engineer London £75 140k + equity

About Corgi Corgi is an AI-powered insurance company designed for tech startups. The company has raised $108M and holds regulatory approval as a licensed carrier. Corgi’s platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. The company is currently scali ...

Senior Software Engineer – Automation (TIA Portal) Hybrid

Energy Jobline CVL is seeking a Senior Software Engineer with expertise in Siemens TIA Portal to develop automated warehousing systems. The role involves working on-site and in the innovation centre in Nuneaton, delivering turnkey projects across the UK. Key requirements include strong Structured Text skills and ...

Senior Software Engineer Build Scalable, Secure Services

Compare the Market is seeking a Senior Software Engineer to work in a collaborative team that enhances financial decision-making for millions. This role focuses on using Node.js, JavaScript, and GraphQL to design and implement scalable systems while promoting security standards. Candidates should possess strong ...

Senior Software Engineer (C++/Rust) Greenfield System

Platform Recruitment in Newcastle upon Tyne is looking for a Senior Software Engineer specialized in C++ and Rust. This role involves identifying solutions to client problems and building performant software in a greenfield environment. The consultancy focuses on highly regulated industries and offers significan ...

Senior Software Engineer, Data Snapshot Scale Platform

Bloomberg is seeking an engineer for their Data Platform team in London. The role involves developing scalable applications and operating high-performance systems to support financial data accessibility. Ideal candidates will have a degree in a relevant field and proficiency in programming languages like Java or ...

Senior Software Engineer Adobe Experience Manager (AEM)

Senior Software Engineer - Adobe Experience Manager (AEM) Epsom & Barbican, London | Hybrid Working | Fixed-Term Maternity Cover (starting July 2026) Competitive salary available, depending on experience 37.5 hours per week At Nuffield Health, ...

Senior Staff Software Engineer — Agentic AI Architecture

A leading data integration company in Manchester seeks a Senior Staff Software Engineer to drive architecture and build tools for agentic AI systems. You will mentor engineers and develop scalable software in a collaborative environment. Ideal candidates have deep Java expertise, experience with agentic AI, and ...

Senior Software Engineer – Lead & Scale Healthcare SaaS

A leading healthcare technology firm in Greater London is looking for an experienced leader to drive technical delivery in a cross-functional team. You will enhance patient outcomes through innovative software solutions while fostering a culture of high standards and technical excellence. Ideal candidates will h ...

Senior Software Engineer – Shape Mission Critical Systems

A leading defense technology firm in Greater London seeks a Senior Software Engineer to develop and maintain critical software solutions. You will work on diverse projects, influencing architectural decisions and engaging in hands-on coding. The ideal candidate will have experience in backend and frontend develo ...

Senior C++ Software Engineer – AI & Security (Hybrid)

A leading defense and aerospace company seeks a Senior Software Engineer to work on national security products. Ideal candidates are experienced in C++ and Linux, with knowledge of networking protocols. The role offers a dynamic, agile working environment and involves international collaboration. Embracing hybri ...

Senior Software Engineer Build Secure, Impactful Systems

A government intelligence agency is seeking a Senior Software Engineer to tackle mission-critical challenges in software development. You will contribute to system architecture, enhance existing solutions, and drive innovative practices while mentoring peers in a collaborative environment. The role offers compet ...

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 ...

Senior Software Engineer Adobe Experience Manager (AEM)

Epsom & Barbican, London | Hybrid Working | Fixed-Term Maternity Cover (starting July 2026) Competitive Salary Available, Depending On Experience 37.5 hours per week At Nuffield Health, we provide an environment that empowers staff to make a difference. We ar ...

Senior Software Engineer Age of Empires (Remote)

Forgotten Empires is a full‑service game developer focused on Windows PC and Console games. While headquartered in the U.S., our team consists of 100+ passionate individuals from around the globe, each of whom brings a unique skill set and perspective to the table. Since 2022, we are part of Keywords Studi ...

Senior Software Engineer Transit Tech & Scalable Systems

A global leader in public transit solutions is looking for a Senior Software Engineer in Manchester to drive innovation in public transportation technology. The successful candidate will have at least 5 years of experience in software development, specializing in C++ and Java, along with cloud platform expertise ...

Senior Software Engineer AI Powered Atlas Platform

Join Multiverse in Greater London as part of the Engineering team, where you'll play a crucial role in developing AI-integrated educational products. The position emphasizes building production systems using a full-stack approach including Python, TypeScript, and more. Candidates should possess strong technical ...

Senior Software Engineer Build Secure, Impactful Systems

An intelligence agency is seeking a Senior Software Engineer to contribute to mission-critical software solutions. This role offers a salary between £50,354 and £60,036, with potential bonuses and benefits including 25 days of leave and opportunities for professional development. The ideal candidate will thrive ...

Senior Software Engineer AI Driven Event Platform

A technology company is seeking a Senior Software Engineer to work on an AI-powered event platform. You will be responsible for delivering features using modern software practices and mentoring team members. The ideal candidate should have significant experience with production-grade software and AI, along with ...

Senior Software Engineer Build Secure, Impactful Systems

A UK intelligence agency is seeking a Senior Software Engineer to solve critical challenges in safeguarding the UK. You will design and build software solutions while mentoring a team and collaborating with various stakeholders. Along with a competitive salary including bonuses, the role offers a supportive cult ...

Senior Software Engineer Real Time Data Pipelines

A premier betting solutions provider is seeking a Senior Software Engineer to join their Data Acquisition team in Harrow, UK. This role involves developing software for real-time sports data products and collaborating with engineers and data specialists. Candidates should have strong programming skills, experien ...

Senior Software Engineer Build Secure, Impactful Systems

A UK intelligence agency seeks a Senior Software Engineer to solve mission-critical challenges using innovative software engineering techniques. You will design new systems, mentor teams, and communicate effectively with stakeholders, all while contributing to the safety of the UK. The role offers a competitive ...

Senior Software Engineer — Growth & Trading, Scale & Impact

A leading insurance company based in London is seeking a Senior Software Engineer to join their Growth & Trading team. In this key role, you will lead the design and operation of backend services, utilizing your expertise in TypeScript and AWS. You will collaborate closely with product and data teams to deliver ...

Senior Software Engineer Unity, Hybrid, Lead Games

A leading gaming studio in the United Kingdom is seeking a Senior Software Engineer to lead complex projects and craft scalable software solutions. The ideal candidate will have proficiency in C# and strong experience with Unity. In this role, you will optimize game engines, coordinate with team leads, and ensur ...

Senior Software Engineer Remote/Hybrid, Lead & Mentor

A leading recruitment agency in Bristol is seeking a Senior Software Engineer to design and develop high-quality software solutions for innovative projects. The successful candidate will have strong problem-solving skills, expertise in software security, and knowledge of cloud technologies. Join a flexible worki ...

Senior Software Engineer – Lead & Scale Healthcare SaaS

A tech startup focused on healthcare solutions is looking for a lead engineer to drive technical execution and improve product outcomes. The role requires strong leadership, hands-on technical skills, and the ability to work across teams to deliver impactful features. Candidates should have a proven track record ...

Senior Software Engineer Client SDK (UI Platform)

Senior Software Engineer - Client SDK (UI Platform) Join to apply for the Senior Software Engineer - Client SDK (UI Platform) role at Postman . Who Are We? Postman is the world’s leading API platform, used by more than 40 million developers and 500,000 organizations, includi ...

Senior Software Engineer (Full Stack and Backend)

Senior • London, Barcelona, Edinburgh and Berlin Responsibilities Pragmatism and obsession for simplicity, efficiency, and performance Extensive experience in similar roles building technically complex products in any web programming language An expert level at server-si ...

Senior Software Engineer, Core Experiences — Build SDKs

Clutch Canada is seeking a Senior Software Engineer to join our Core Experiences Team in Leeds, UK. This role involves designing and maintaining foundational services and SDKs for our product. The ideal candidate has experience with Kotlin Multiplatform and systems thinking, and thrives in a collaborative, fast- ...

Security Cleared Senior Software Engineer: Cloud & Backend

Forwardrole is looking for a Senior Software Engineer based in Cheltenham, England. In this role, you'll design, develop, and maintain vital infrastructure while tackling complex challenges and using cutting-edge technology. The ideal candidate will have strong hands-on experience in Java, JavaScript, or Python, ...

Senior Software Engineer Hybrid, Big Data & Cloud

MI5 is seeking a Senior Software Engineer in Cheltenham. The role involves solving mission-critical challenges and contributing to both new and existing systems' architecture. You will work with diverse methodologies and collaborate with stakeholders. Salary ranges from £50,354 to £60,036, plus benefits includin ...

Senior Lead Software Engineering AI/ML Engineer

Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your skills in solving complex c ...

Senior Software Engineer Full‑Stack, Impact & Equity

Ashby is looking for an ambitious full-stack engineer in Manchester to tackle customer problems creatively. The role involves designing features like automated interview scheduling, implementing a filter architecture, and creating signing processes. Successful candidates will be both frontend and backend profici ...

Senior Software Engineer – Backend & Platform (Rust/Cloud)

A leading software company in the UK seeks a Software Engineer to join its Platform Engineering team. You will streamline delivery of SaaS product offerings, champion best practices, and mentor junior engineers. This role offers the chance to work with a range of technologies, emphasizing problem-solving. A stro ...

Senior Software Engineer London up to £150k

Forward Deployed Software Engineer (Python / TypeScript / AI) Oliver Bernard are partnered with a high-growth AI deployment company operating at the forefront of enterprise AI. Backed by top-tier investors and AI labs, they’re already delivering production-grade systems across finance, energy, an ...

Senior Java Software Engineer — Scalable Microservices (Remote)

10x Banking is looking for a passionate Software Engineer to work on cutting-edge technologies and deliver scalable solutions. This role involves building components for interest calculations and mentoring junior developers. Ideal candidates have solid Java skills, experience with cloud-based microservices, and ...

Senior Software Engineer, Kotlin Multiplatform Core SDKs

Clutch Canada is looking for a Senior Software Engineer to join their Core Experiences Team in Manchester, UK. This role involves collaborating with product teams to scope projects and deliver solutions via a cross-platform SDK. The ideal candidate should have strong systems thinking, speed in generating ideas, ...

Senior Software Engineer RFID & Cloud Native Systems

On is seeking a Senior Engineer for their Digital Twin team in Greater London. You will develop technological infrastructure to identify products across warehouses and retail environments using RFID technology. This role involves writing scalable code, maintaining cloud-native applications, and leading technical ...

Senior Software Engineer, Endpoint DLP – Go & Kernel

A leading cybersecurity firm located in London is seeking a Senior Software Engineer for the FortiDLP project. This role involves enhancing the endpoint agent capabilities while maintaining high code quality standards. Candidates should have robust programming skills, experience in systems analytics, and a colla ...

DV‑Cleared Senior Software Engineer — Secure Systems

A prominent UK security agency seeks a Senior Software Engineer to tackle mission-critical challenges in Cheltenham. You'll design, develop, and maintain software solutions using languages like Java, Python, and more. The job includes mentoring and working with cross-functional teams while engaging with various ...

Senior Software Engineer – Property Based Testing (London)

Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes collaboration and high ...

Senior Software Engineer, AI Data Platform & Simulations

A leading deep-tech company in Greater London is seeking a Senior Software Engineer to architect and build robust data platforms for high-dimensional simulation data. Ideal candidates should have strong foundations in software engineering with expertise in Golang and Python, as well as experience in distributed ...

Senior Software Engineer, Real Time Market Making

A leading gaming company is seeking a Senior Software Engineer for its Market Making Technology team. The role involves developing solutions in a fast-paced environment, collaborating with stakeholders, and ensuring robust market-making capabilities. Candidates should have a degree in a related field and several ...

Senior Software Engineer (Full Stack and Backend)

Senior • London, Barcelona, Edinburgh and Berlin Responsibilities Pragmatism and obsession for simplicity, efficiency, and performance Extensive experience in similar roles building technically complex products in any web programming language An expert level at server-si ...

Senior Software Engineer — Azure & Legacy Modernisation (Hybrid)

DWP Digital is seeking a Senior Software Engineer to maintain and improve legacy systems that support vital public services across the UK. The role involves developing and deploying cloud solutions using Azure technologies, leading engineering teams, and managing incidents. With a hybrid work model, the position ...

Senior Software Engineer: Neurosymbolic AI & Scalable API

Jack and Jill AI is looking for a Senior Software Engineer to join their team in Greater London. This role involves designing a public API and building systems that integrate probabilistic machine learning with deterministic computing. You will play a critical role in developing symbolic reasoning engines and sc ...

Senior Software Engineer – Real Time Trading UI

Miller Maxwell Ltd is seeking a Senior Software Engineer to enhance bespoke user interfaces and platform features for proprietary trading systems. The role involves collaboration with front-office teams, focusing on high-performance UI development and innovations in trading technology. Candidates should have exp ...

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, Core SDKs (Kotlin Multiplatform)

Speechify is seeking a Senior Software Engineer for its Core Experiences Team in Birmingham, United States. This role involves building and maintaining APIs and SDKs that enhance the product experience. Candidates should excel in systems thinking and collaboration, with a strong focus on using Kotlin Multiplatfo ...

Senior Software Engineer Hybrid (C++, Full Lifecycle)

Pertemps Network Group is seeking a Senior Software Engineer in the North London area. This role involves designing and developing advanced software solutions for maritime navigation and defence systems, mentoring junior engineers, and owning the full software development lifecycle. Candidates should have strong ...

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    Senior Software Engineer Fullstack Python React Jobs in United Kingdom Job Search Guide, Trends and Insights