1,101 to 1,125 of 1,266 Senior Software Engineer Jobs in the UK

We are looking for an experienced engineer who is passionate about developing compilers and managed runtimes and loves open-source software. In this role you will be working on performance analysis and optimisation across a range of runtimes. You'll be part of the bigger CE-SW Runtimes team, whose goal is to improve modern languages support on the … existing ones. (e.g. garbage collectors, interpreters, optimisation passes, intrinsics) Own and be accountable for medium/large technical areas of managed runtime or compiler development. Contribute to open-source software projects and engage with open-source community. Collaborate with colleagues across Arm to improve the support for the Arm Architecture and CPUs. Help develop the project automated functionality and … testing frameworks. Required skills and experience Strong programming skills in C/C++. Familiar with performance analysis tools and system level performance tuning. Be flexible, with a variety of software development skills and a commitment to extend the breadth and depth of knowledge. Familiar with open source project development and contribution processes. Knowledge of a computer architecture, arm64 is More ❯

Overview As part of the Sercel Group, Sercel Concept is a world leading provider of software systems and services. For over 40 years, our teams have been committed to delivering innovative, client-driven solutions. Our dedication to continuous development ensures that our customers not only have access to, but also help define the latest advances in technology. In addition … to providing solutions to optimise the data quality, operational efficiency, and transparency of offshore and onshore operations in the energy sector, Sercel Concept has a portfolio of innovative software and services for the marine industry, including ports and logistics. Job Summary As part of our Seismic Acquisition Command and Control Scrum Teams, the postholder will work closely with other … team members to design, develop and deploy our Command and Control software products designed for towed streamer and ocean bottom seismic survey acquisition. Key Responsibilities Coding and alpha testing of software products and tools. Maintenance of existing code. Performing in-house product tests. Identify and implement bug fixes. Contribute to the development of the architecture of software More ❯

Job Description Work within our highly technically diverse multidisciplinary teams (application software, embedded, cloud platform, etc.) Contribute to the core application software by developing enhancements for our existing intra-operative devices, taking ownership of the maintainability and reliability of the application software in our existing intra-operative devices and helping develop the software stack for our … monitoring and cloud connectivity. Investigate, debug, and resolve issues reported from testing and support. Participate in the relevant security and regulatory compliance processes. Develop robust and secure-by-design software fit for a medical-grade system. Must Haves BS/MS in Computer, Electrical, Electronics Engineering or equivalent Current experience in developing high quality, high performing code in modern More ❯

everyone to have personal dignity at work and be empowered, so you can be your best, true authentic self each and every day. About the Role Write clean, maintainable software to critical deadlines whilst following best engineering practices. Understanding and solving challenging problems through simplistic solutions and services. Architect and build using technology that is best suited to solving … in central London one day per week to catch up with other team members. The role may also require occasional travel to other offices when necessary. About You Talented engineer with a passion for software quality, an eye for continuous improvements, and a solution-based approach that focuses on the bigger picture whilst remaining pragmatic and operating within … known constraints. Ideally 5+ years' hands-on commercial experience architecting, designing and implementing resilient and reliable software and integration solutions, but if you are technically talented, passionate and can communicate then we're interested to hear from you regardless of experience years. Demonstrable software development experience in .NET Core, C# plus one of Blazor, JavaScript, Angular, Azure, RabbitMQ More ❯

everyone to have personal dignity at work and be empowered, so you can be your best, true authentic self each and every day. About the Role Write clean, maintainable software to critical deadlines whilst following best engineering practices. Understanding and solving challenging problems through simplistic solutions and services. Architect and build using technology that is best suited to solving … in central London one day per week to catch up with other team members. The role may also require occasional travel to other offices when necessary. About You Talented engineer with a passion for software quality, an eye for continuous improvements, and a solution-based approach that focuses on the bigger picture whilst remaining pragmatic and operating within … known constraints. Ideally 5+ years' hands-on commercial experience architecting, designing and implementing resilient and reliable software and integration solutions, but if you are technically talented, passionate and can communicate then we're interested to hear from you regardless of experience years. Demonstrable software development experience in .NET Core, C# plus one of Blazor, JavaScript, Angular, Azure, RabbitMQ More ❯

everyone to have personal dignity at work and be empowered, so you can be your best, true authentic self each and every day. About the Role Write clean, maintainable software to critical deadlines whilst following best engineering practices. Understanding and solving challenging problems through simplistic solutions and services. Architect and build using technology that is best suited to solving … in central London one day per week to catch up with other team members. The role may also require occasional travel to other offices when necessary. About You Talented engineer with a passion for software quality, an eye for continuous improvements, and a solution-based approach that focuses on the bigger picture whilst remaining pragmatic and operating within … known constraints. Ideally 5+ years' hands-on commercial experience architecting, designing and implementing resilient and reliable software and integration solutions, but if you are technically talented, passionate and can communicate then we're interested to hear from you regardless of experience years. Demonstrable software development experience in .NET Core, C# plus one of Blazor, JavaScript, Angular, Azure, RabbitMQ More ❯

Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 25 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces time & money More ❯

Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 25 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces time & money More ❯

Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 25 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces time & money More ❯

Backend Developer/Senior Backend Developer Liverpool (Hybrid, 2–3 days onsite) Join a high-performing engineering team that has transformed how this company builds software. Two years ago, they brought development in-house. Since then, they’ve delivered faster, cleaner, and smarter systems that have reshaped the business. They’re now growing again and hiring for both mid … level and senior backend developers. You’ll work on large-scale, event-driven systems built on .NET 8 , Azure , and microservices architecture . You’ll have the chance to own projects, solve complex challenges, and make a visible impact. In this role, you’ll: Develop and maintain scalable backend systems using .NET 8, .NET Core, and C# Design and More ❯

Backend Developer/Senior Backend Developer Liverpool (Hybrid, 2–3 days onsite) Join a high-performing engineering team that has transformed how this company builds software. Two years ago, they brought development in-house. Since then, they’ve delivered faster, cleaner, and smarter systems that have reshaped the business. They’re now growing again and hiring for both mid … level and senior backend developers. You’ll work on large-scale, event-driven systems built on .NET 8 , Azure , and microservices architecture . You’ll have the chance to own projects, solve complex challenges, and make a visible impact. In this role, you’ll: Develop and maintain scalable backend systems using .NET 8, .NET Core, and C# Design and More ❯

Backend Developer/Senior Backend Developer Liverpool (Hybrid, 2–3 days onsite) Join a high-performing engineering team that has transformed how this company builds software. Two years ago, they brought development in-house. Since then, they’ve delivered faster, cleaner, and smarter systems that have reshaped the business. They’re now growing again and hiring for both mid … level and senior backend developers. You’ll work on large-scale, event-driven systems built on .NET 8 , Azure , and microservices architecture . You’ll have the chance to own projects, solve complex challenges, and make a visible impact. In this role, you’ll: Develop and maintain scalable backend systems using .NET 8, .NET Core, and C# Design and More ❯

Backend Developer/Senior Backend Developer Liverpool (Hybrid, 2–3 days onsite) Join a high-performing engineering team that has transformed how this company builds software. Two years ago, they brought development in-house. Since then, they’ve delivered faster, cleaner, and smarter systems that have reshaped the business. They’re now growing again and hiring for both mid … level and senior backend developers. You’ll work on large-scale, event-driven systems built on .NET 8 , Azure , and microservices architecture . You’ll have the chance to own projects, solve complex challenges, and make a visible impact. In this role, you’ll: Develop and maintain scalable backend systems using .NET 8, .NET Core, and C# Design and More ❯

Experienced Full Stack Engineer - Early Stage, Highly Profitable Start-Up - Fully Remote (UK) Up to 120,000 + equity A small, profitable, and fast-moving startup is looking for an experienced Full Stack/Backend engineer to join its elite team (ex-Meta). They are early-stage but already generating strong revenue, with ambitious plans. This role … rare chance to join a high-performing team early and have a real impact - without the chaos of a typical startup or the bureaucracy of big tech. Experienced Backend Engineer - Early Stage, Highly Profitable Start-Up - Fully Remote (UK More ❯

Experienced Full Stack Engineer - Early Stage, Highly Profitable Start-Up - Fully Remote (UK) Up to £120,000 + equity A small, profitable, and fast-moving startup is looking for an experienced Full Stack/Backend engineer to join its elite team (ex-Meta). They are early-stage but already generating strong revenue, with ambitious plans. This role … rare chance to join a high-performing team early and have a real impact - without the chaos of a typical startup or the bureaucracy of big tech. Experienced Backend Engineer - Early Stage, Highly Profitable Start-Up - Fully Remote (UK More ❯

Software Developer (.NET/Azure) Manchester/Remote up to £80k Tired of firefighting someone else s code? Want to actually see the impact your work has on customers? This team sits right at the centre of our growth the bridge between product and client. You ll be building and integrating new components, rolling out product enhancements, and More ❯

Software Developers - Newcastle - 5 days a week in the office - Greenfield OB have partnered with a leading financial company, who are looking for multiple Developers to work on a ton of greenfield work. You will be working alongside some of the best developers within the finance space on this project. 50k - £140k + 10% Bonus + Pension Net More ❯

About Us Software helps to enable the world-leading science performed at Diamond. Our software systems facilitate operations at all levels, including the low-level control of synchrotron and beamline hardware, the planning, execution and monitor of experiments, data archiving and retrieval, data processing and visualisation, the application for beamtime, and capture of remote experiment plans and s... More ❯

About Us Software helps to enable the world-leading science performed at Diamond. Our software systems facilitate operations at all levels, including the low-level control of synchrotron and beamline hardware, the planning, execution and monitor of experiments, data archiving and retrieval, data processing and visualisation, the application for beamtime, and capture of remote experiment plans and s More ❯

Description Roles and Responsibilities In this role, you will: Identify the scope of the work, provide initial estimate and justify the estimate with facts Demonstrate the understanding of Agile software development lifecycle and able to distinguish the core inputs and outputs in each cycle. Engage in technical discussions; participate in technical designs and present technical ideas through white boarding … core data structures as well as algorithms and has the ability to implement them using language of choice Be responsible for providing technical leadership and defining, developing, and evolving software in a fast paced and agile development environment using the latest software development technologies and infrastructure Provide guidance to a team of 5 to 7 developers with either … Education Qualification Bachelor's Degree in Computer Science or "STEM" Majors (Science, Technology, Engineering and Math) with advanced experience. Technical Expertise: Strong knowledge of Object Oriented Analysis and Design, Software Design Patterns and Java coding principles JavaScript, TypeScript, Vue.JS, SingleSPA. Experience - UI Development, UI testing (e.g. Selenium), Data Integration, CI/CD Hands-on experience in web services (REST More ❯

About The Role FDM is a global business and technology consultancy seeking a experienced engineer to work for our client within the finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role that will be based in London. We're working with a leading consultancy to support their end … environment Apply engineering best practices, including CI/CD, testing, and code reviews Bring a consulting approach to stakeholder engagement and delivery About You Ideal Candidate: 5+ years of software engineering experience Strong background in Java and microservices architecture Experience with Kafka and cloud platforms (preferably AWS) Proficient in modern frontend frameworks (Angular and/or React) Previous experience More ❯

London, England, United Kingdom Software and Services Description This role is primarily focused on developing and delivering solutions by designing, writing, deploying, and maintaining code. Part of the role involves working closely with partner teams in order to help them make efficient use of the tooling and infrastructure we provide.The teams are primarily based in London (UK) and Cupertino … Qualifications some of the things our team values and focuses on day-to-day. Minimum Qualifications Appreciate automation and tooling, and believe that they play a critical role in software development. Advocate for continuous integration and continuous delivery. Have experience building tools for engineers, some of which may be backed by distributed systems at large scale. Want to participate More ❯

C++ Video Streaming Engineer (Contract) Location: London (Hybrid - 2 days onsite per week) Pay Rate: £250-£300 per hour Join our multidisciplinary team to push the limits of real-time video technology in the medical device space. Design, implement, and optimise live streaming capabilities into existing software-based video pipelines. Leverage hardware acceleration to build high … performance, low-latency video capture, processing, AI inference, visualization, and streaming software. Develop robust and secure-by-design software for a regulated environment. Maintain code quality, reliability, and performance , participating in peer reviews and continuous improvement. Expertise in WebRTC live video streaming development. Strong experience with software video pipelines (e.g., Excellent C++ (C++11 or higher) skills, including multi More ❯

the freedom to dedicate time to other critical aspects of their business. Our Team: Globally, ANNA Money boasts a diverse team of approximately 150 professionals, primarily consisting of adept software developers and innovative data scientists dedicated to advancing our product offerings. Presently, over 100,000 customers trust ANNA for their banking and administrative needs. Our Approach: We pride ourselves … Kubernetes What You'll Do Hands-on coding to solve complex problems with a focus on defensive programming, resilience, and performance Own technical solution design for significant product features, software modules, and technical initiatives Demonstrate self-guided problem-solving abilities to create robust technical solutions for vague business requirements Take initiative to course-correct projects when they deviate from … internal teams and actively share knowledge through documentation Initiate and contribute to broader engineering technical designs Staying abreast of and (where necessary) applying the latest emerging technologies Experience developing software in one or more programming languages from the list (Python, Java, C#, Go) 7+ years of software engineering experience in an industrial setting Experience with data structures or More ❯

Backend Developer/Senior Backend Developer Liverpool (Hybrid, 23 days onsite) Join a high-performing engineering team that has transformed how this company builds software. Two years ago, they brought development in-house. Theyre now growing again and hiring for both mid-level and senior backend developers. Youll work on large-scale, event-driven systems built on .NET More ❯