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Member of Technical Staff (Backend Software Engineer)

Perplexity is looking for experienced Infrastructure Engineers to join our small team revolutionizing the way people search and interact with the internet. You will be responsible for leading the design, implementation, and scaling of tools, systems, and platforms that empower web, mobile, and browser engi ...

Senior Software Engineer, Shared Platforms: Scale & Cloud

A leading financial services company in Nottingham seeks a Senior Software Development Engineer to enhance their software delivery capabilities. This role includes designing and implementing solutions within a cross-functional team, ensuring security and performance at scale. Candidates should possess strong Jav ...

Java/Kotlin Software Engineer – AVP (Developer Enablement)

We’re looking for an enthusiastic & talented server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a ...

Cyber Software Vulnerability Engineer (DV Cleared) – Manchester

A leading cybersecurity company in Manchester is looking for a Cyber Software Vulnerability Engineer. You will analyze and reverse engineer software to uncover vulnerabilities and improve security in a collaborative Agile environment. Proficiency in languages like C, C++, or Java, along with a good understanding ...

eDV Cleared Software Engineer – National Security Contracts

eDV-Cleared Contract Opportunities – National Security Projects Due to sustained demand from our National Security and Government clients, we are actively seeking multiple eDV-cleared contractors for high‑profile programmes across London, Cheltenham and Manchester. These roles offer the o ...

Senior Software Engineer I (Growth & Marketing Technology)

We’re putting together a talented team to build the #1 training platform for Runners. We help everyday runners become outstanding by building an incredible app providing world‑class training, coaching and community for everyone, whether you’re improving your 5k time or training for your first marat ...

Tech Lead & Principal Software Engineer (Data Platforms)

Elsevier is looking for a Consulting/Principal Software Engineer in Greater London. In this role, you will act as the technical lead for a cross-functional squad, focusing on designing and delivering reliable, secure software solutions. You will collaborate closely with various teams and be responsible for imple ...

Graduate Robotics Software Engineer: Real World Impact

A robotics and technology company in Oxford is seeking a Graduate Software Engineer to build advanced systems for autonomous robots. This is a hands-on role from day one, with a structured first year allowing for rotations across teams. Ideal candidates have a strong foundation in Python, Git, and Linux, along w ...

Software Engineer in Oxford Aurora Energy Research

Job Description Join our team and help shape the future of the global energy markets. You would work as part of a team on a cutting-edge Microservices architecture and using TypeScript , Express , AWS Lambdas, Redshift, MySQL, MongoDB and Micro-fronten ...

Senior Staff Software Engineer Core Marketing Platforms

FanDuel Group is a world-class team of brands and products that deliver sports betting, gaming and entertainment to millions of US sports fans every day. That’s no easy task, and wouldn't be possible without a fantastic team who have helped us pioneer new products and innovative features that make us a lea ...

Developer Agent Software Engineer Vice President London

Developer Journey Strategy at Goldman Sachs The Developer Journey Strategy focuses on investing in the developer experience to minimize friction, promote standardization, and leverage artificial intelligence (AI) to enable seamless delivery. By streamlining processes, implementing consistent pract ...

Senior Software Engineer Cloud, CI/CD & Leadership

A digital payments company in Liverpool is looking for an experienced Senior Software Developer to design and develop major components that support over 17 million users. The ideal candidate should have extensive experience in both front-end frameworks like Flutter and back-end technologies such as Java and Spri ...

Controls Software Engineer (PLC/SCADA) – Customer Service

At Syntegon Telstar UK Ltd. , we represent the Syntegon Telstar range of aseptic and containment technologies and provide expert customer service, engineering, and technical support across the UK, Ireland, and Scandinavia. With decades of experience in isolator technology , ou ...

Lead Software Engineer – Technical Authority (Defense) Hybrid

A leading defense technology company in the UK seeks a Lead Software Engineer to join their Integrated Sensors & Protection line of business. This role offers significant technical leadership and strategic influence on critical software components. The ideal candidate has experience in C++ software engineering a ...

Lead Software Engineer (Java & React) Secure, Scalable

A global financial services leader in Glasgow is seeking a Lead Software Engineer to enhance and deliver technology products focusing on security and scalability. You will lead software solutions, develop high-quality code, and identify improvements for operational stability. The ideal candidate will have advanc ...

Senior Security Software Research Engineer – Defense Tech

A leading technology firm in London is seeking a Senior Security Software Research Engineer to identify vulnerabilities and develop exploits. The role requires 3+ years of experience in vulnerability research, knowledge of various systems, and familiarity with common security research tools. Employees enjoy attr ...

DAL A Safety Critical Software Verification Engineer

A staffing agency in the UK is seeking a Software Verification Engineer based in Cheltenham for an initial 12-month contract. The role requires experience in high-level requirement software verification and systems test development, particularly for DAL A projects. Candidates should be self-motivated team player ...

Senior Software Engineer, Unified Platform (Reference Data)

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 – maximizing opportuniti ...

Senior Spacecraft Software Engineer GNSS & Data Pipelines

A leading aerospace technology firm is seeking a Spacecraft Software Engineer to develop and maintain software for satellite GNSS missions. The role involves working with C++ and Python, developing scientific software, and collaborating with various teams to ensure high-quality data delivery. Candidates should h ...

Senior Software Engineer — Lead, Build Scalable Platforms

A leading digital finance company in Greater London is seeking a Senior Software Engineer to design, develop, and maintain high-quality software solutions. The ideal candidate will mentor junior engineers, contribute to architectural decisions, and implement continuous delivery practices. You will work in an agi ...

Staff Software Engineer – Global KYC & Onboarding Platform

A global technology company is seeking a Staff Software Engineer to join the Global KYC and Onboarding squad. The role involves creating innovative solutions for a new onboarding platform and mentoring junior engineers. Candidates should possess over 10 years of experience in software engineering, with significa ...

Mission Software Engineer Field Deployments + AI/ML

A global technology company is seeking a Mission Engineer to drive the deployment of their capabilities. Responsibilities include software design, data integration, and troubleshooting products in the field. The ideal candidate has a strong technical foundation and proficiency in programming languages like Pytho ...

Software Engineer, Travel Platform — Python/Django/React

A leading travel management company in London is seeking a Software Engineer to join their team. The role involves developing a travel-related web product using Python and React, integrating with third-party APIs, and contributing to system architecture design. The ideal candidate possesses a strong engineering ...

Software Engineer – Impactful Travel SaaS, Equity & Growth

A travel and technology company is looking for a Software Engineer in Edinburgh to work closely with the product team. The role focuses on developing and integrating travel-related products using Python/Django and React, and an Agile approach is essential. The ideal candidate should possess extensive programming ...

Remote Embedded & Web Software Engineer | Flexible Hours

A technology company based in Greater London is seeking software developers to join their teams for positions focused on embedded systems, desktop and embedded development, and full stack web development. Ideal candidates will have experience in languages such as C++, Python, and Go, along with familiarity in te ...

Senior Software Engineer: Cloud‑Native .NET & Azure

A dynamic SaaS company in the UK is seeking a Senior Software Developer to join its rapidly growing Development team. The role involves designing and maintaining cloud-native microservices on Microsoft Azure and requires strong expertise in C# and SQL Server. You will lead high-scalability projects and collabora ...

C#/.NET Software Engineer – Trading Platform, London

A leading recruitment agency is looking for a talented Software Developer (C#/.NET) to join a dynamic team in London. The role involves creating and maintaining various client applications using C#, .NET, and SQL Server. Candidates should possess strong skills in multi-threaded application development and an und ...

Field Deployment Software Engineer for Autonomous Systems

A leading defence technology company in the UK is seeking a Deployed Software Engineer to implement their technology with customers. The role involves travelling to customer sites, writing code, and collaborating with engineers. Ideal candidates will have a degree in a relevant field and strong programming skill ...

Senior Software Engineer – Property Based Testing (London)

Antithesis Operations LLC is seeking a developer based in London to help build ‘Hegel’, an innovative set of property-based testing libraries. The role requires experience with property-based testing and familiarity with Python and Rust. This in-office position values collaboration and high engineering standards ...

Principal Software Engineer – High Throughput Rust/TS

Understanding Recruitment is partnering with a rapidly growing start-up in London seeking Senior/Principal Software Engineers. This innovative team, backed by leaders from the UK Special Forces and tech giants, is focused on developing advanced decision-making technology. Offering up to £150,000 plus equity, the ...

Software Engineer – Test Framework (C++ / Algorithmic Trading)

What you’ll do Build and extend automated testing infrastructure for C++ services Integrate automated tests into CI/CD pipelines for fast developer feedback Cover the full testing spectrum from deterministic unit tests through to full‑system scenarios Convert defect ...

Backend 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. The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. <l ...

Senior Lead Software Engineer Cloud & API Architecture

Senior Lead Software Engineer – JPMorgan Chase Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you'll collaborate with talented p ...

Cyber Software Vulnerability Engineer — Reverse‑Engineering & Defense

Forwardrole is seeking a Cyber Software Vulnerability Engineer to join their National Security division. This position involves software analysis, reverse engineering, and collaboration with cybersecurity teams to enhance security measures. Candidates should have proficiency in C/C++, Python, and experience with ...

Mission Critical Software Engineer (Hybrid, Manchester, SC)

Forwardrole is seeking Software Engineers in Manchester to work across the complete software development lifecycle. The position involves writing clean and efficient code, designing software features, and working in a multi-disciplined Agile team. Candidates should ideally have experience with modern programming ...

Ship First Software Engineer London (Hybrid, Equity)

Corgi Insurance is seeking a Software Engineer to develop and ship products quickly in London. The role requires someone who has tangible experience in bringing projects from inception to live, and who thrives in a fast-paced environment. You will be part of a culture that emphasizes rapid delivery and iteration ...

Staff Software Engineer Warehousing Blue Yonder Dispatcher

As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues. With ethical values that run right through the company’s core and technology leaders that truly understand software engineers ...

Founding 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. The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. <l ...

Fast Ship Software Engineer, London — Equity Included

Corgi is seeking a Fast Engineer in London who has a proven track record of building and shipping projects. This role emphasizes action and ability over formal titles, offering a salary range of £75,000 to £140,000 plus equity. Ideal candidates embrace fast-paced decision-making and have a strong dedication to d ...

C++ Software Engineer (Embedded) – Agile Defence Tech

Leonardo UK Ltd is seeking a Software Engineer to work on advanced defence and aerospace projects in Edinburgh. The role entails collaborating within an agile team to design, implement, and test software functionalities crucial for the UK's air defence capabilities. Candidates should have strong C++ programming ...

Founding Software Engineer — Fast, Ship Driven Builder

Fuku is seeking a Fast Engineer for their London-based team. The ideal candidate will independently build and ship products, demonstrating a proven track record of real projects. The role emphasizes a fast-paced, startup environment where results are prioritized, and collaboration is key. With compensation rangi ...

AI Software Engineer Global Financial £80k £100k

Overview AI Software Engineer - Agentic and GenAI (LangGraph & CrewAI) Location: Manchester Hybrid: 2 days per week in the office Do you have commercial experience using AI frameworks? If yes, this could be for you. Our client are a Global F ...

Lead Software Engineer – Real Time Performance Systems

Atlassian Williams F1 Team in Grove, England is seeking a Lead Software Engineer to guide a team in developing high-performance software that aids aerodynamics and vehicle dynamics. The ideal candidate will have over 10 years of software development experience, including background in C++, Rust, and Python, alon ...

Lead Software Engineer C#/.NET, Azure & Kubernetes

Biometric Talent is looking for a Lead Developer to join their team in Wigan on a hybrid basis. The ideal candidate will have strong experience with C# and .NET, and be capable of leading software design and development in Azure environments. You will work closely with Product and Delivery teams, while also ment ...

Fullstack Software Engineer React/Python NEW FDI

Full Stack Engineer (Python / React | Cloud) - NEW FDI to Belfast! MCS Group are delighted to be partnering with a high-growth technology business who are building a modern, data-driven platform that helps large organisations better understand performance and make smarter decisions. The product b ...

Control Systems Software Engineer for Vessel Tech

Resource Area for Teaching seeks a skilled software engineer to develop innovative control systems for high-performance watercraft. The role involves software design, closed loop control implementation, and rigorous testing. Applicants should have a degree in Computer Science or a related field and experience wi ...

Graduate Software Engineer – SaaS, London, Visa Sponsorship

Destinydot is seeking a Graduate Software Developer in Greater London, offering a competitive salary of £50,000 alongside a fast-paced, innovative work environment with visa sponsorship available. As a recent graduate, you will develop and enhance SaaS products, working collaboratively in a team-oriented setting ...

Senior Software Engineer, AI Data Pipelines & Ingestion

A tech company focused on audio and AI is hiring a Software Engineer to support data collection for model training. This remote role involves finding diverse audio data sources and managing cloud infrastructure on Google Cloud Platform. Ideal candidates should have advanced degrees, over five years of experience ...

Senior Software Engineer – Equity Market Making Platform

Marex Group in Greater London is looking for a Senior Software Developer to drive the architecture of their Equity Market Making Trading Platform. The ideal candidate should have over 10 years of experience in software engineering, proven skills in scalable, distributed systems, and leadership potential. Your re ...

Senior Software Engineer — AI‑First Learning Impact

Multiverse is seeking a Senior Engineer to join their team in Greater London. The role focuses on designing and leading complex technical initiatives using React and TypeScript while mentoring mid-level engineers. You will navigate high-ambiguity technical landscapes and ensure quality coding standards. With a c ...

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