51 to 75 of 245 Senior Software Engineer Jobs in the UK excluding London

Job Title: Senior Software Engineer Our Client: Our Client operates in the Scientific Technology industry, providing cutting-edge solutions for a range of scientific applications. They are known for their inclusive and innovative culture, fostering growth and development among employees. Role Summary: Our Client is seeking a Senior Software Engineer to join their dynamic … team in Oxford. The successful candidate will play a vital role in developing and supporting software applications and drivers for a variety of Oxford Instruments products. Reporting to the Software Manager, this position is crucial for ensuring projects meet customer requirements and overseeing the complete software development lifecycle. Responsibilities: Collaborate within an Agile team to deliver high … quality software solutions Utilise software design methodologies to develop robust components and systems Participate in design reviews and explore new tools and techniques Provide ongoing support for new and existing products Ensure documentation is up-to-date to facilitate system maintenance Stay abreast of industry trends and suggest enhancements for product performance Essential Skills & Experience: Degree in Science More ❯

Senior Software Engineer (Python) Hybrid London (1-3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We're working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that's looking … for a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and products. Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid … technical bar across the team. Staying hands-on while contributing to the architectural direction and long-term roadmap. What we're looking for: 5+ years of experience as a Software Engineer, ideally in Python (3.10+). Proven experience developing cloud-native applications (GCP or AWS). Strong understanding of CI/CD pipelines (e.g. GitHub Actions) and containerisation More ❯

Senior Software Engineer – C# Salary: Up to £100,000 + Benefits Location: Royston (Hybrid) Employment Type: Permanent Are you a seasoned software engineer who thrives on solving complex problems, setting technical direction, and mentoring others? Our client, an innovative and forward-thinking technology business based in Royston, is looking for a Senior Software Engineer to play a pivotal role in scaling their cutting-edge products to the next level. This is a hybrid position with the opportunity to work part-remote while being part of a highly collaborative and ambitious team. Key Responsibilities Lead by example in implementing best practice software design patterns, architecture, and agile methodology. Drive the re … code. Mentor and develop junior engineers to help them reach their potential. Guide the team in making pragmatic decisions while upholding strong technical principles. Champion code quality, including rigorous software test coverage and maintainability standards. Desirable Experience & Skills Strong candidates are likely to bring most (but not all) of the following: Experience in software engineering, with deep expertise More ❯

Senior Software Engineer C# Salary: Up to £100,000 + Benefits Location: Royston (Hybrid) Employment Type: Permanent Are you a seasoned software engineer who thrives on solving complex problems, setting technical direction, and mentoring others? Our client, an innovative and forward-thinking technology business based in Royston, is looking for a Senior Software Engineer to play a pivotal role in scaling their cutting-edge products to the next level. This is a hybrid position with the opportunity to work part-remote while being part of a highly collaborative and ambitious team. Key Responsibilities Lead by example in implementing best practice software design patterns, architecture, and agile methodology. Drive the re … code. Mentor and develop junior engineers to help them reach their potential. Guide the team in making pragmatic decisions while upholding strong technical principles. Champion code quality, including rigorous software test coverage and maintainability standards. Desirable Experience & Skills Strong candidates are likely to bring most (but not all) of the following: Experience in software engineering, with deep expertise More ❯

Senior Software Engineer – C# Salary: Up to £100,000 + Benefits Location: Royston (Hybrid) Employment Type: Permanent Are you a seasoned software engineer who thrives on solving complex problems, setting technical direction, and mentoring others? Our client, an innovative and forward-thinking technology business based in Royston, is looking for a Senior Software Engineer to play a pivotal role in scaling their cutting-edge products to the next level. This is a hybrid position with the opportunity to work part-remote while being part of a highly collaborative and ambitious team. Key Responsibilities Lead by example in implementing best practice software design patterns, architecture, and agile methodology. Drive the re … code. Mentor and develop junior engineers to help them reach their potential. Guide the team in making pragmatic decisions while upholding strong technical principles. Champion code quality, including rigorous software test coverage and maintainability standards. Desirable Experience & Skills Strong candidates are likely to bring most (but not all) of the following: Experience in software engineering, with deep expertise More ❯

Role: Senior Software Engineer Location: Cambridge Salary: Up to £100,000 DOE Are you an experienced Software Engineer who thrives on solving complex problems and driving technical excellence? We're working with a forward-thinking organisation that's scaling rapidly and looking for a Senior Software Engineer to play a pivotal role … the next level. This is a unique opportunity to join a business where technology underpins everything they do. You'll lead by example, championing best-practice design patterns, robust software architecture, and agile delivery. As the company prepares for significant growth, you'll help re-architect and harden systems to handle 10x-100x scale, ensuring the platform is built … engineering principles and pragmatic solutions. You'll be the guardian of code quality, driving test coverage and long-term maintainability. What we're looking for: 10+ years' experience in software engineering Strong background with C# and .NET Familiarity with Linux, Python, and Azure DevOps Experience in both start-up/scale-up and larger organisations Excellent communication skills Bonus More ❯

Step into the future of defence technology with an exceptional opportunity as a Senior Software Engineer. If you're passionate about innovation and looking to make a real impact, this role offers you the chance to work on cutting-edge projects that redefine what's possible in the industry. Join a forward-thinking team that values excellence, creativity … and career development. What You Will Do: Define, design, develop, and test embedded and application software to deliver high-quality solutions on time. Apply object-oriented design techniques to ensure code reusability and integration with testing frameworks. Review system design artefacts to derive software requirements and architecture that meet high-level system needs. Use modelling tools like RSA … and EA to document and maintain software designs, ensuring accuracy for code generation. Contribute to bids and proposals by generating technical estimates and identifying associated risks. Propose and implement improvements in tools, processes, and techniques to enhance software development efficiency. What You Will Bring: A degree in an engineering, mathematical, or science-based subject, or equivalent experience. Proficiency More ❯

Step into the future of defence technology with an exceptional opportunity as a Senior Software Engineer. If you're passionate about innovation and looking to make a real impact, this role offers you the chance to work on cutting-edge projects that redefine what's possible in the industry. Join a forward-thinking team that values excellence, creativity … work on high-profile programmes, this is your chance to thrive in a role that truly matters. What You Will Do: - Define, design, develop, and test embedded and application software to deliver high-quality solutions on time. - Apply object-oriented design techniques to ensure code reusability and integration with testing frameworks. - Review system design artefacts to derive software requirements and architecture that meet high-level system needs. - Use modelling tools like RSA and EA to document and maintain software designs, ensuring accuracy for code generation. - Contribute to bids and proposals by generating technical estimates and identifying associated risks. - Propose and implement improvements in tools, processes, and techniques to enhance software development efficiency. What You Will More ❯

Step into the future of defence technology with an exceptional opportunity as a Senior Software Engineer. If you're passionate about innovation and looking to make a real impact, this role offers you the chance to work on cutting-edge projects that redefine what's possible in the industry. Join a forward-thinking team that values excellence, creativity … work on high-profile programmes, this is your chance to thrive in a role that truly matters. What You Will Do: - Define, design, develop, and test embedded and application software to deliver high-quality solutions on time. - Apply object-oriented design techniques to ensure code reusability and integration with testing frameworks. - Review system design artefacts to derive software requirements and architecture that meet high-level system needs. - Use modelling tools like RSA and EA to document and maintain software designs, ensuring accuracy for code generation. - Contribute to bids and proposals by generating technical estimates and identifying associated risks. - Propose and implement improvements in tools, processes, and techniques to enhance software development efficiency. What You Will More ❯

Senior Firmware & Software Engineer Permanent £competitive salary Norfolk Our client is a leading research and development company specialising in advanced electric motors, controllers, and inverters across a variety of applications. They are seeking a talented Senior Firmware & Software Engineer to join their innovative engineering team on a permanent basis. This is a fantastic opportunity … experience in power and embedded electronics, bare-metal development, and C programming to work on cutting-edge technology in a fast-paced, collaborative environment. About the Role As a Senior Firmware & Software Engineer, you'll be a core member of the Engineering Team, contributing to the development of firmware and software solutions that power our advanced … systems. You'll work closely with the Lead Firmware Engineer, Chief Technical Officer, and Lead Electronics Engineer to meet project milestones and ensure top-quality performance. What Youll Do Design, develop, maintain, and test embedded firmware and software for electric power systems Work closely with hardware engineers to integrate code with electronics Write clear, maintainable code in More ❯

Senior Software Engineer Location: Margate Job Type: Full-time Overview: We seek a Senior Software Engineer to drive innovation in embedded firmware development. You will lead R&D efforts, collaborate with leadership, and ensure high-quality software solutions for our products. Key Responsibilities: Lead firmware development and mentor junior engineers. Collaborate on product … concepts and refine specifications. Translate system requirements into software solutions. Develop, test, and document software programs. Work with hardware teams to optimise integration. Research and implement emerging technologies. Assess technical risks and provide expert guidance. Support design reviews and project management. Ensure compliance with quality and safety standards. Qualifications: Education: Bachelor's in Electrical Engineering, Computer Science, or … related field (Master's preferred). Experience: 10+ years in embedded software development with leadership experience. Skills: Expertise in ARM-based microcontrollers, FreeRTOS, and Microsoft Visual Studio. Knowledge of RF communication and marine navigation is a plus. Competencies: Strong leadership, problem-solving, and collaboration skills in a fast-paced environment. CVs in Word Format to New Appointments Group, Expertly More ❯

Senior Software Engineer – Product Development – Reading (Hybrid) Avanti Recruitment is partnering with a thriving Software company in Reading. We are looking for an expert Product Engineer with very strong OO PHP skills or OO programming in another language and happy to work with PHP. This role will suit an engineer who thrives on solving … customer problems , not chasing the latest tech or buzzwords. The Senior Software Engineer will take ownership of complex, high-impact product features on a well-established SaaS platform. This is a hands-on engineering role, not a website maintenance job and you’ll be building the logic, architecture, and integrations that power core customer solutions. The Role … evolution with scalable, maintainable architecture Occasionally creating supporting UIs for complex functionality What We’re Looking For Deep expertise in object-oriented programming and backend architecture Strong understanding of software engineering principles and design patterns API design, development, and integration experience HTML, CSS, JavaScript Solid database knowledge (MySQL preferred) Comfortable owning projects end-to-end Linux, SaaS platforms, CRM More ❯

Senior Software Engineer North Yorkshire Competitive salary + great benefits A global market-leader with annual revenues of almost $1bn are looking to grow their Software Engineering team by bringing in a proven Senior Software Engineer. This is an excellent opportunity an experienced Senior Engineer that is looking for a new challenge More ❯

Hybrid - Edinburgh (flexible working) Salary - up to £60,000 Role - Senior Software Engineer (PHP/Javascript) Head Resourcing have partnered with a fantastic Edinburgh based business who are looking to bolster their existing development team with a Senior Software Engineer. This business is a leading force in their field and have been continually growing year … on year since their inception in 2000, becoming a leading provider of cloud-based logistics software. As a Senior Software Engineer, you'll be a key contributor in delivering scalable, high-quality software that their customers rely on every day. You'll work on a modern PHP/JavaScript stack, designing and developing new features, improving More ❯

Senior Software Engineer - UK or Ireland ICON plc is a world-leading healthcare intelligence and clinical research organization. We're proud to foster an inclusive environment driving innovation and excellence, and we welcome you to join us on our mission to shape the future of clinical development. An excellent opportunity to join a small team (inside of … a big company) that has been working together for many years to develop and continually enhance our Software-as-a-Service products for the Medical Communications/Publishing industry. Be part of a fun, exciting, and energetic team made up of highly skilled developers and client service professionals and enhance your skills with .NET/C#/MVC/… SQL. Join forces with us to help us continually improve our SaaS Medical Publishing suite of products, as our business continues to grow at an unprecedented rate! As a Senior Software Engineer , you will have substantial influence on our products' technology, design, and implementation. In addition, you should have a strong passion for software technology, an More ❯

Senior Embedded Software Engineer Newtown, Wales If youre an embedded software engineer who wants end-to-end ownership - from concept through to production this role is for you. A leader in the industrial automation industry is looking for an experienced embedded software engineer to join their world-class engineering team, with full training … support to become an expert software engineer click apply for full job details More ❯

Senior Software Engineer Blyth, United Kingdom Salary - DOE Jackson Hogg is delighted to be working with Tharsus on the appointment of a Senior Software Engineer. We are looking for a dynamic, generalist software engineer who is excited about the opportunity to work collaboratively in a multidisciplinary team on various exciting projects. Tharsus' projects … the work you will be doing, we are looking for someone with good experience across a wide skillset. Breadth is more important than depth and an appreciation of good software engineering practices is more important than finding a specialist in any one area. Having said that, in recent projects we’ve utilised these technologies: C# (with ASP.Net Core) to … Azure for most cloud infrastructure Azure DevOps for project management, repos and CI/CD We are also looking for someone with a good level of experience with general software engineering practices and should have exposure to the following: Version control management with Git Code reviews and pair programming Test frameworks with at least an interest in TDD User More ❯

Senior Software Engineer required by a high-tech company located in Fareham. Due to continued success they are looking to grow their software team developing products for Android platforms. The successful Senior Software Engineer is likely to have a degree in Computer Science or similar subject and commercial experience developing Android applications using More ❯

Senior Software Engineer - C#/Agile/Digital Solutions Bournemouth (Hybrid - 2 days per week on-site) £45,000 - £65,000 + Excellent Benefits Are you an experienced Senior Software Engineer looking to take on a role where you can shape solutions, mentor others, and deliver impactful software? This is a fantastic opportunity More ❯

Senior Software Engineer C#, Azure, DevOps, ElasticSearch, Kubernetes Hybrid - 2 days per week on-site in Southampton Salary: £70,000 + bonus Are you an experienced Senior Software Engineer looking for your next big challenge? Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they More ❯

Job title: Senior Embedded Software Engineer Location : Maidenhead, Berkshire Salary Range: £60,000 - £80,000 The Malloy Aeronautics Team: Malloy Aeronautics Limited specializes in the development of heavy lift unmanned air vehicles (UAVs) for both civilian and military uses. Located in Berkshire, our operations are notable for their focus on in-house design and manufacturing. This vertical … we control the production of most aircraft components on-site, enhancing our ability to innovate and maintain high standards across all stages of development. About The Role: As a Senior Embedded Software Engineer, you will be reporting to the Software Engineering Manager as an embedded systems developer . Responsible for integration of hardware and software … in the UK. We seek someone looking to support in the development and verification of flight control software. You will be supporting in the delivery of engineering outputs including software requirements, software design, software implementation and software testing. Applying your knowledge and principles of engineering to assist in the implementation of aircraft control systems to a More ❯

Are you a Senior Software Engineer looking for an interesting job opportunity? Our client, TKMS ATLAS UK, are seeking a Senior Software Engineer with skills in Java to work on the development of marine-based autonomous systems. This job will be based out of TKMS ATLAS UK's headquarters in Winfrith, Dorset. This position …/4 days onsite per week. The successful candidate must be able to achieve full SC level Security Clearance. Required Knowledge, skills and qualities • Proven ability to support software delivery • Educated to Degree or equivalent level in a software engineering or related discipline • Understanding of Autonomous systems, and their architectures • Understanding of the Military and Marine domain • Knowledge … and understanding of Software Engineering & delivery lifecycles, and integration with project management principles and practise • Experience of Software Engineering processes and tools • Ability to work in multi-disciplinary teams, across the whole engineering lifecycle, from inception to support • Ability to work closely with end users to understand usage of software, and identify together where improvements can be More ❯

Senior Software Engineer We're looking for an experienced Senior Software Engineer to join our growing IT team in the insurance sector. You'll take the lead in developing scalable, high-quality web and mobile applications using Microsoft technologies (.NET, C#, Blazor), working closely with international and cross-functional teams. As the lead on … Microsoft technologies, you'll help shape the direction of our software solutions while contributing to critical projects across the business. We are looking for someone with strong and confident stakeholder engagement along with technically strong experience. What You'll Do Design, build, and maintain internal and external web/mobile applications (.NET, C#, Blazor). Lead the technical development More ❯

Senior Software Engineer – Java (Digital Consultancy) – Manchester – Hybrid – up to £85K We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … finance, e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve … complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have More ❯

Senior Software Engineer – Java (Digital Consultancy) – Manchester – Hybrid – up to £85K We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … finance, e-commerce, gaming, and more. You'll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve … complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have More ❯