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Software Engineer United Kingdom Jobs

458 Job Offers

Senior Software Engineer
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Senior Software Engineer sought by Optimizely, a MarTech leader powering digital experiences for H&M, PayPal, and Zoom. You will design scalable, cloud-based solutions using C#, .NET, and React, owning end-to-end delivery and operational excellence. Based in London, this role demands 8+ years of ...
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Optimizely
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Python Software Engineer
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Join a rapidly scaling fintech unicorn as a Python Software Engineer in London. You’ll build AI-driven backend systems and APIs, leveraging agentic AI tools in a remote-first, product-led environment. We seek strong commercial Python experience, an entrepreneurial mindset, and enthusiasm for AI-a...
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120000.00 GBP / Year
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Hunter Bond
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Java Software Engineer
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Join a global investment firm as a **Java Software Engineer** on a high-impact front-office eTrading team in **London**. You will design mission-critical trading applications using modern practices like Clean Architecture and TDD, collaborating directly with traders. Ideal candidates have 4+ year...
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160000.00 GBP / Year
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Hunter Bond
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Software Engineer: AI & Finance
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Join a world-class quantitative investment firm building high-performance trading systems across equities, crypto, and futures. As a Quant Developer, you’ll own mission-critical infrastructure, optimize latency, and partner with ML researchers. Requires advanced Python, PyTorch, TensorFlow, and a...
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50000.00 GBP / Year
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Hunter Bond
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Python Software Engineer
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Join a rapidly scaling fintech unicorn as a Python Software Engineer in London. You’ll build AI-driven backend systems and APIs, leveraging agentic AI tools in a remote-first, product-led environment. This role offers significant technical ownership, equity, and exposure to cutting-edge fintech a...
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120000.00 GBP / Year
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Hunter Bond
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Software Engineer II
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Tripadvisor is hiring a Software Engineer II for a remote-first role based near London. You’ll build and deploy backend systems using object-oriented programming, collaborating with product managers and designers. Enjoy flexible schedules, competitive compensation, travel perks, and tuition assis...
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Tripadvisor
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Senior Software Engineer
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Rapid7 seeks a Senior Software Engineer for its Belfast Labs team to build world-class security data platforms. You will develop critical capabilities like vulnerability intelligence and Project Sonar using Python, Go, or Java. The role requires expertise in Kubernetes, Terraform, and AWS service...
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Rapid7
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IOS Software Engineer
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Join our Engineering Centre of Excellence as an iOS Software Engineer in Edinburgh. You’ll build high-quality features using Swift, SwiftUI, and UIKit within agile, cross-functional teams. We value strong iOS SDK knowledge, OOP/SOLID principles, and a delivery-focused mindset. Enjoy competitive b...
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Barclays
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Senior Software Engineer
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Senior Software Engineer sought to join a high-performing Betting division team in London, UK. You will architect and build highly distributed, real-time systems for industry-leading Sportsbook and Risk Management products. Requires expert-level OOP skills (C#, Java, Python), strong software arch...
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Genius Sports
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Senior Software Engineer - Margin Technology - Assistant Vice President
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Senior Software Engineer (AVP) sought for Margin Technology in London. Join a global team building high-quality solutions using Java, React, and Python. You will develop RESTful APIs with Spring, apply TDD, and work on complex business problems in a fast-paced environment. Benefits include 27 day...
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Citi
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Lead Engineer - Powertrain Controls Embedded Software
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Lead Engineer – Powertrain Controls Embedded Software role at Lotus in Hethel, UK. You will lead manual C-code development, control strategy, and calibration for high-performance powertrain systems. Requires deep automotive embedded software expertise, MISRA standards, and leadership skills. Bene...
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Lotus UK Manufacturing
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Staff Frontend Software Engineer
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Blis seeks a Staff Frontend Software Engineer to lead frontend architecture for ad campaign and data visualization platforms in Edinburgh or London. You will own performance, scalability, and design systems while setting engineering standards and mentoring talent. This role drives cross-functiona...
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Blis
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Software Engineer - NodeJS - TypeScript
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Seeking a skilled **Software Engineer** with expertise in **NodeJS** and **TypeScript** for a London-based role. You will build robust trading systems within a Front Office environment, leveraging **AWS Cloud** and **Terraform**. Requires a 2:1 in Computer Science and experience with **React** an...
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60000.00 - 75000.00 GBP / Year
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Harrington Starr
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Senior Software Engineer
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Senior Software Engineer sought by a fast-scaling London fintech transforming FX and treasury operations. You will build high-impact, cloud-native trading systems using C#/.NET, SQL, and microservices. Ideal for engineers with 5+ years’ experience in financial technology. Join a collaborative tea...
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80000.00 - 100000.00 GBP / Year
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Harrington Starr
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Principal Device Drivers Software Engineer
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Principal Device Drivers Software Engineer sought to develop low-level embedded software for market-leading critical communication radios in Cambridge, UK. You will design, implement, and test device drivers for Embedded Linux, FreeRTOS, and ARM BSPs. Requires expert C skills, real-time debugging...
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75000.00 GBP / Year
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rmg digital
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Senior Software Engineer
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Senior Software Engineer sought by Optimizely to build scalable CMS features and cloud-based systems in London. Requires 8+ years’ experience with C#, .NET, and React, plus strong software design fundamentals. Join a leader in MarTech, working cross-functionally on AI-powered solutions for global...
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Optimizely
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Software Engineer - Python
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Join Barclays in London as a **Software Engineer (Python)** to build scalable solutions for Front Office trading. You will design, develop, and deliver high-quality software using **Python**, **Oracle PL/SQL**, and **GIT CI/CD** in a fast-paced environment. Ideal for self-driven professionals wit...
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Barclays
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Front End Software Engineer
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Convergence Group seeks a skilled Front End Software Engineer with strong React.js expertise to build next-gen customer portals and internal systems. You will design intuitive interfaces and robust back-end logic using React, Next.js, and Azure. Based in Solihull with hybrid working, this role of...
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50000.00 - 60000.00 GBP / Year
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360 Resourcing Solutions
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Software Engineer
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Join Convergence Group as a Full Stack Software Engineer in Solihull. Leverage 5+ years of C# expertise with React, Blazor, and Azure to build scalable web applications. Thrive in an Agile environment with CI/CD pipelines and automated testing. Enjoy hybrid working, 33 days holiday, private medic...
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55000.00 - 65000.00 GBP / Year
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360 Resourcing Solutions
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Senior Software Engineer, Embedded UI - C++
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Senior Software Engineer, Embedded UI – C++ at Roku in Cambridge, UK. Join the #1 TV streaming platform to develop and optimize high-performance rendering engines and UI frameworks. Requires 5+ years in C++, embedded systems, and Linux, with experience in JavaScript/TypeScript frameworks. Enjoy f...
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Roku
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About the Software Engineer role

Explore the dynamic and in-demand world of software engineering jobs, where professionals design, build, and maintain the digital infrastructure that powers modern life. Software engineers, often synonymous with developers, are the creative problem-solvers and architects behind websites, mobile apps, operating systems, and complex enterprise systems. This career path blends analytical thinking with creative design to translate user needs and business goals into functional, efficient, and scalable software solutions.

The core responsibility of a software engineer is the full software development lifecycle. This typically begins with analyzing requirements and collaborating with product managers, designers, and other stakeholders. Engineers then design system architecture, write clean and maintainable code, and rigorously test their creations to ensure reliability and performance. A significant part of the role involves debugging issues, optimizing existing systems, and deploying updates. Many engineers also participate in code reviews to maintain quality standards and contribute to technical documentation. In today's agile environments, they often work in iterative cycles, continuously integrating and delivering new features.

Software engineering jobs can be specialized, but common areas include front-end (client-side), back-end (server-side), and full-stack development. Front-end engineers focus on user interfaces and experiences using technologies like HTML, CSS, and JavaScript frameworks. Back-end engineers build the server logic, databases, and application programming interfaces (APIs) that power functionality behind the scenes. Full-stack engineers possess skills across both domains. Other specializations include DevOps, security, data engineering, and cloud-native development.

Typical skills and requirements for these roles are both technical and soft-skills based. Fundamentally, proficiency in one or more programming languages such as Python, Java, JavaScript, C#, or Go is essential. Understanding data structures, algorithms, and system design principles is crucial. Experience with frameworks, databases (SQL and NoSQL), and version control systems like Git is commonly expected. As software is increasingly built for the cloud, familiarity with services from providers like AWS, Azure, or GCP is a valuable asset. Equally important are strong problem-solving abilities, attention to detail, and effective communication skills for teamwork. While many positions require a degree in computer science or a related field, a proven portfolio and relevant experience are also highly valued pathways into software engineering jobs.

The profession offers immense variety, with opportunities to build everything from life-saving health applications and financial platforms to immersive games and cutting-edge AI tools. It is a career characterized by continuous learning, collaboration, and the tangible impact of creating products used by millions. For those with a logical mind and a passion for building, software engineering jobs present a rewarding and future-proof career path with endless possibilities for innovation and growth.