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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 (UK) in London MineHub

Senior Software Engineer (UK) Location: London, United Kingdom Posted: 10 months ago This is a job posted by our partner Jooble Tech stack Architecture Python refactoring TypeScript Software Engineer Performance tunin ...

Front Office Software Engineer: Trading Analytics & Cloud

A global energy trading firm in Greater London is looking for a talented associate to join their Data Science & Technology team. This role involves optimizing trading processes, building Python-based services, and developing cloud-native solutions that impact trading directly. Ideal candidates will have a strong ...

Lead Software Engineer Core Engineering Go / Python

Job Description Be an integral part of a team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Lead Software Engineer at JPMorgan Chase within the Global Banking Platform (GBP), you are an integral part of a team that works to enhance ...

Senior Software Engineer Remote (AI‑Driven SaaS)

A technology company seeks a Senior Software Engineer to design, build, and optimize scalable software in a fully remote role. The ideal candidate will have expertise in Node.js, TypeScript, and React, along with hands-on experience in AWS serverless technologies. This position offers a salary of £70,000 to £80, ...

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 ...

Senior Software Engineer, Core Experiences SDKs & APIs

Speechify is seeking a Senior Software Engineer to join our Core Experiences Team in Edinburgh. This vital role involves collaborating with product teams, optimizing functionality, and shipping cloud functions using Kotlin. The ideal candidate demonstrates strong systems thinking, agility in project execution, a ...

Senior Software Engineer — Real Time Robotics (Embedded)

Tritanium Space, Defence & Technology Ltd. is seeking a Senior Software Engineer based in Southampton. This role involves developing real-time control systems, collaborating with engineering teams, and contributing to robotic operations and mission-critical technology. The ideal candidate holds a degree in Compu ...

Senior Software Engineer Python, TypeScript and AWS

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold yo ...

Senior Software Engineer AEM Web Experience (Cloud)

Nuffield Health is seeking a Senior Software Engineer to join their team in City of Westminster, England. This role involves full-stack development of user-facing digital services, particularly focusing on Adobe Experience Manager (AEM). Responsibilities include ensuring software quality, supporting digital solu ...

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 Python (Perm, UK) UK

Senior Software Engineer - Python (Perm, UK) UK Senior AI Python Engineer (Perm, UK, Remote with occasional travel to client site) This is a full-time, permanent opportunity for candidatesbased in the UK. There will be a need to travel to the office in London occ ...

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 ...

Lead Software Engineer, Shared Platforms & Cloud Enablement

A financial services company in Nottingham is seeking a Lead Software Development Engineer to design and develop software solutions within a collaborative engineering team. The successful candidate will have significant experience in API development, Java programming, and leading engineering best practices. This ...

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 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 ...

Edge Sensor Software Engineer – Marine AI & Radar

SRT Marine Systems plc based in Bristol is seeking an experienced Senior Software Engineer – Sensors to join our Edge Team. The successful candidate will design and maintain edge-sensor solutions, focusing on performance and reliability. Key responsibilities include developing test infrastructures and collaborat ...

Senior Software Engineer RF & Sensor Systems (Hybrid)

A leading engineering company is looking for a Senior Software Engineer in Romsey to join a dynamic team. As a Senior Software Engineer, you will be responsible for the design and implementation of software for RF communication and sensor-based products. The role allows specialization in modern UI or embedded so ...

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 — Build Travel Platform, Equity

A leading travel management platform in the United Kingdom is searching for a Senior Software Engineer to work on their next-generation web-based product. The ideal candidate will possess strong programming skills in Python and React, with a focus on quality and mentoring. This role offers a competitive salary, ...

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 ...

Principal Software Engineer – Data, Performance & AI Platform

A growing software company in Scotland is seeking a skilled back-end developer to support product delivery and enhance quality. You will work with a team focusing on Azure and .NET to drive innovative solutions. Responsibilities include mentoring team members, collaborating with engineers, and managing the produ ...

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 Production AI & Web (London)

A pioneering tech firm based in London is seeking a Senior Software Engineer to design and maintain critical backend services and create user-facing components. This hybrid role emphasizes real-world impact, with meaningful equity and extensive company benefits. Ideal candidates will have a strong background in ...

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 (SC Cleared) – Cyber Tools

Searchability is seeking a Senior Software Engineer in Manchester to work on operational cyber projects. The role involves developing software applications in Python and C++, collaborating with teams to create secure solutions. Candidates should have substantial experience in secure environments and hold active ...

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 ...

AI Native Software Engineer (Client Facing, Cloud)

Oliver Bernard is seeking a Forward Deployed Engineer to collaborate with client engineering teams and implement AI native engineering. The ideal candidate has over 5 years of commercial experience, a strong background in client-facing roles, and skills in Python, Java, TypeScript, and cloud platforms such as AW ...

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 ...

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