Senior Software Engineer Jobs in the UK

851 to 875 of 1,333 Senior Software Engineer Jobs in the UK

.NET Senior Software Engineer (Backend) ID44204

Greater Bristol Area, United Kingdom
Humand Talent
opportunity to join a project that embraces modern architecture, autonomy, and technical innovation? Join a High-Impact Project with a Cloud-First Mindset Our client is looking for a Senior Backend Software Engineer with strong experience in ASP.NET Core APIs, Azure services, and event-driven design. You will be joining a highly capable team delivering scalable, cloud … based architecture Develop event-driven systems that scale, using technologies like Dapr and Azure Service Bus Work with modern cloud infrastructure , including Azure Functions and App Services Strengthen your software design skills by applying Domain-Driven Design (DDD) and Test-Driven Development (TDD) Explore emerging technology , such as Microsoft Semantic Kernel and Agent Framework Integrate with leading industry platforms … including opportunities to work with APIs such as Acturis Join a forward-thinking team that values high code quality, automation, and innovation About You You are an experienced backend engineer with a passion for building clean, scalable, and maintainable systems. You are comfortable working in a cloud-native environment and enjoy learning and applying new tools and frameworks. You More ❯
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Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
AG Talent
Senior Backend Engineer Remote across UK & Europe Tech: Kotlin, React, Postgres and AWS Theyve built something that makes accountants say, I didnt think this was even possible. And theyre just getting started. This isnt maintenance work or fixing spaghetti left by the last engineer. Its new product build. Youll be delivering features, reducing tech debt, and shaping the … for high-performing applications Own your work from design through to deployment Keep code readable, maintainable and tested (they dont worship TDD, just logic and clarity) Work closely with senior engineers who give good, honest PR feedback Use AI in your workflow as much as you want, they actively encourage it You should apply if you: Have strong experience More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

United Kingdom
Hybrid / WFH Options
AG Talent
Senior Backend Engineer – Remote across UK & Europe Tech: Kotlin, React, Postgres and AWS They’ve built something that makes accountants say, “I didn’t think this was even possible.” And they’re just getting started. This isn’t maintenance work or fixing spaghetti left by the last engineer. It’s new product build. You’ll be delivering features … high-performing applications Own your work from design through to deployment Keep code readable, maintainable and tested (they don’t worship TDD, just logic and clarity) Work closely with senior engineers who give good, honest PR feedback Use AI in your workflow as much as you want, they actively encourage it You should apply if you: Have strong experience More ❯
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Senior Software Engineer

Templecombe, Somerset, United Kingdom
Hybrid / WFH Options
Thales Group
team player You also like working independently and look for empowermentCOMPETENCIES: You are able to adapt and react to change You know and enjoy designing, developing and testing secure software solutions and/or components You can demonstrate knowledge in Full Stack or pure back/pure front programming languages and frameworks (JAVA, C, C++, Python, or any other … Agile principlesNICE TO HAVE: + Specific knowledge linked to the domain/product/project - to be filled in by Engineering Manager or Talent Acquisition LIFE AS A THALES SOFTWARE SOLUTIONS ENGINEERING ROLE As a Software Solutions Engineering Role within Thales you will: Work within in a Scrum team with other software developers, in Agile mode Contribute … to the requirement definition, to the software design and you will be involved with the architectural aspects of the software projects Integrate software components into a fully functional software system Write well-designed, documented and testable code Develop, test and execute full software development life cycle Design, implement and test features with scalability, performance, deployment More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (PHP)

United Kingdom
Hybrid / WFH Options
True9
people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you’ll fit right in. 🚀 Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across a variety of projects. Drive More ❯
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Senior Software Engineer (Mobile)

City of London, London, United Kingdom
Twelve
Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯
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Senior Software Engineer (Mobile)

London Area, United Kingdom
Twelve
Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯
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Senior Software Engineer (Mobile)

london, south east england, united kingdom
Twelve
Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯
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Senior Software Engineer (Mobile)

london (city of london), south east england, united kingdom
Twelve
Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯
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Senior Software Engineer (Mobile)

slough, south east england, united kingdom
Twelve
Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯
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Senior Software Engineer | Building an AI powered SaaS Platform

Greater London, England, United Kingdom
evoke
Senior Full Stack Software Engineer (backend leaning) 💵 £90-£120k + equity 💻 Serverless AWS, Typescript (backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A We are currently partnered with one of the fastest growing SaaS companies in Europe to help them scale their London engineering team and grow from 20 engineers to 40+. Their product … to manage their workflows, and they've found a strong product market fit with plenty of household name clients. Their engineering bar is high, they have a product-orientated software engineering team that enjoy working on complex challenges, solving problems and having big impact. They've attracted engineers from some of the best tech companies out there. About you … 5+ years of experience in software engineering, building full-stack applications Experience across the JS/Typescript stack would be ideal. The role is backend leaning but full-stack Driven by high-impact and ownership Have a product mindset and enjoys team collaboration for high performance If this sounds of interest, please do apply and we look forward to More ❯
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Senior Software Engineer | Building an AI powered SaaS Platform

london, south east england, united kingdom
evoke
Senior Full Stack Software Engineer (backend leaning) 💵 £90-£120k + equity 💻 Serverless AWS, Typescript (backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A We are currently partnered with one of the fastest growing SaaS companies in Europe to help them scale their London engineering team and grow from 20 engineers to 40+. Their product … to manage their workflows, and they've found a strong product market fit with plenty of household name clients. Their engineering bar is high, they have a product-orientated software engineering team that enjoy working on complex challenges, solving problems and having big impact. They've attracted engineers from some of the best tech companies out there. About you … 5+ years of experience in software engineering, building full-stack applications Experience across the JS/Typescript stack would be ideal. The role is backend leaning but full-stack Driven by high-impact and ownership Have a product mindset and enjoys team collaboration for high performance If this sounds of interest, please do apply and we look forward to More ❯
Posted:

Senior Software Engineer | Building an AI powered SaaS Platform

slough, south east england, united kingdom
evoke
Senior Full Stack Software Engineer (backend leaning) 💵 £90-£120k + equity 💻 Serverless AWS, Typescript (backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A We are currently partnered with one of the fastest growing SaaS companies in Europe to help them scale their London engineering team and grow from 20 engineers to 40+. Their product … to manage their workflows, and they've found a strong product market fit with plenty of household name clients. Their engineering bar is high, they have a product-orientated software engineering team that enjoy working on complex challenges, solving problems and having big impact. They've attracted engineers from some of the best tech companies out there. About you … 5+ years of experience in software engineering, building full-stack applications Experience across the JS/Typescript stack would be ideal. The role is backend leaning but full-stack Driven by high-impact and ownership Have a product mindset and enjoys team collaboration for high performance If this sounds of interest, please do apply and we look forward to More ❯
Posted:

Senior Software Engineer - Product Engineering

United Kingdom
Ashby
Hi I'm Abhik, Ashby's Co-Founder and VP of Engineering. We're looking for an ambitious full-stack engineer who is laser-focused on solving customer problems and making the right long-term investments to solve them not only today but in our future features and products. What Ashby gives you in return is the best of … in an almost-no-meeting culture. While also the product-market fit and scale of a growth-stage startup: tens of thousands of daily users who depend on your software and eagerly await your next feature. We have notable customers like Notion, Linear, Shopify, and Snowflake. Our growth and retention metrics are best-in-class among our peers: we … s because we're always expanding the team (we're on track to double this year). We're bubbling with ideas on how to support Talent Acquisition through software, and we've started the journey of building products beyond Talent Acquisition. We read every application and aim to respond to yours within 3-4 days (often sooner). More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Ruby

London, United Kingdom
TXP
Senior Software Developer - Ruby 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development … and open data platforms Ensure code is high-quality and well-documented Work closely with UCD teams and technical experts in an agile environment What We're Looking For: Senior Ruby developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams Desirable Skills: Python development Experience More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior Software Engineer - Ruby

London, South East, England, United Kingdom
TXP Technology x People
Senior Software Developer - Ruby 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development … and open data platforms Ensure code is high-quality and well-documented Work closely with UCD teams and technical experts in an agile environment What We're Looking For: Senior Ruby developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams Desirable Skills: Python development Experience More ❯
Employment Type: Contractor
Rate: £0 per annum
Posted:

Senior Software Engineer

United Kingdom
Hybrid / WFH Options
ViVA Tech Talent
Senior Ruby on Rails Engineer 📍 Location: Remote (UK – must be UK resident) 💰 Salary: Up to £75,000 , plus benefits Why Join? ViVA Tech Talent are hiring for a fast-growing, product-led tech company looking for a Senior Ruby on Rails Engineer to help shape the next chapter of their platform. You’ll play a key More ❯
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Senior Software Engineer

Portsmouth, England, United Kingdom
BAE Systems
Under technical supervision delivers software products to time and budget for a variety of different products as part of a 70 strong software team within the Product & Training Services area of BAE Systems Maritime Services. The purpose of the role is to perform Software Design, Development, Documentation, Integration and Test activities within the Autonomy team within Products … will be capable of working independently with limited technical direction or as part of a small team working under the Nautomate Scrum Master. Requires a depth and breadth of software knowledge gained through education and work experience in order to apply principles and concepts in the software discipline or technical area. Requires the ability to develop new software, modify existing software and to diagnose and to identify emergent technical issues, document, and then investigate to find an appropriate solution in existing software. Typical duties include Supporting the maintenance and further development and enhancement of multiple software systems within the Autonomy group. Designing, reviewing, developing, testing, documenting, configuring and delivering software products to the agreed More ❯
Posted:

Senior Software Engineer

Portsmouth, yorkshire and the humber, united kingdom
BAE Systems
Under technical supervision delivers software products to time and budget for a variety of different products as part of a 70 strong software team within the Product & Training Services area of BAE Systems Maritime Services. The purpose of the role is to perform Software Design, Development, Documentation, Integration and Test activities within the Autonomy team within Products … will be capable of working independently with limited technical direction or as part of a small team working under the Nautomate Scrum Master. Requires a depth and breadth of software knowledge gained through education and work experience in order to apply principles and concepts in the software discipline or technical area. Requires the ability to develop new software, modify existing software and to diagnose and to identify emergent technical issues, document, and then investigate to find an appropriate solution in existing software. Typical duties include Supporting the maintenance and further development and enhancement of multiple software systems within the Autonomy group. Designing, reviewing, developing, testing, documenting, configuring and delivering software products to the agreed More ❯
Posted:

Senior Software Engineer

London, United Kingdom
Bright Purple Resourcing
Senior Backend Engineer Central London Python/Django Climate Tech Scale-Up c.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. Theyve built a platform already trusted by global enterprise brands and now the More ❯
Employment Type: Permanent
Salary: GBP 95,000 Annual
Posted:

Senior Software Engineer

United Kingdom
Hybrid / WFH Options
Sopra Steria
Are you a Software Engineer looking for a new challenge? Help save lives every day - join Sopra Steria, the force behind STORM, the command and control system trusted by UK emergency services. We are hiring Software Developers to support the ongoing development of our STORM application, built using VB.Net with a WPF client. You will work across … occasional travel to our office in the Hertfordshire area to participate in in-person team meetings, and collaborative sessions. What you will be doing: Designing, developing, and maintaining scalable software applications. Writing clean, efficient, and well-documented code. Participating in the full software development lifecycle including requirements analysis, design, implementation, testing, and deployment. Collaborating with senior developers … developers in a collaborative, learning-focused environment. Staying up to date with the latest technologies, tools, and industry trends. What you will bring: Experience across all aspects of the software development lifecycle. Strong skills in VB.Net, with familiarity in other programming languages. Experience working with WPF applications and the MVVM architecture pattern. Strong problem-solving abilities and attention to More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Senior Software Engineer

Hemel Hempstead, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Sopra Steria
Are you a Software Engineer looking for a new challenge? Help save lives every day - join Sopra Steria, the force behind STORM, the command and control system trusted by UK emergency services. We are hiring Software Developers to support the ongoing development of our STORM application, built using VB.Net with a WPF client. You will work across … occasional travel to our office in the Hertfordshire area to participate in in-person team meetings, and collaborative sessions. What you will be doing: Designing, developing, and maintaining scalable software applications. Writing clean, efficient, and well-documented code. Participating in the full software development lifecycle – including requirements analysis, design, implementation, testing, and deployment. Collaborating with senior developers … developers in a collaborative, learning-focused environment. Staying up to date with the latest technologies, tools, and industry trends. What you will bring: Experience across all aspects of the software development lifecycle. Strong skills in VB.Net, with familiarity in other programming languages. Experience working with WPF applications and the MVVM architecture pattern. Strong problem-solving abilities and attention to More ❯
Employment Type: Full-Time
Salary: £55,000 - £65,000 per annum
Posted:

Senior Software Engineer (React Native)

London Area, United Kingdom
Talentverse
Talentverse is proud to be partnering with Certonymity , as they utilise our platform in their search for a stellar Senior React Native Engineer. Please note your application will be submitted and managed via the Talentverse platform, offering you unique insights to the hiring team's preference and direct access to them via the platform! Good luck! 🙂 About the Company … move quickly, innovate freely, and stay focused on our mission to build cutting-edge cryptographic, blockchain, and mobile-first privacy technology. About the Role We’re looking for a Senior React Native Engineer to play a key role in building, improving, and scaling our encrypted email app, C.Email. You’ll work closely with our CTO, cryptography specialist, and … on integration for data backup and key management systems. Participate in daily stand-ups and code reviews, sharing best practices and ideas. Qualifications 4-6 year’s experience in software engineering; strong background in React Native and TypeScript. Experience setting up automated tests from scratch — unit, component, and user-simulation tests. Strong understanding of mobile-first architecture (local data More ❯
Posted:

Senior Software Engineer (React Native)

City of London, London, United Kingdom
Talentverse
Talentverse is proud to be partnering with Certonymity , as they utilise our platform in their search for a stellar Senior React Native Engineer. Please note your application will be submitted and managed via the Talentverse platform, offering you unique insights to the hiring team's preference and direct access to them via the platform! Good luck! 🙂 About the Company … move quickly, innovate freely, and stay focused on our mission to build cutting-edge cryptographic, blockchain, and mobile-first privacy technology. About the Role We’re looking for a Senior React Native Engineer to play a key role in building, improving, and scaling our encrypted email app, C.Email. You’ll work closely with our CTO, cryptography specialist, and … on integration for data backup and key management systems. Participate in daily stand-ups and code reviews, sharing best practices and ideas. Qualifications 4-6 year’s experience in software engineering; strong background in React Native and TypeScript. Experience setting up automated tests from scratch — unit, component, and user-simulation tests. Strong understanding of mobile-first architecture (local data More ❯
Posted:

Senior AI Software Engineer

United Kingdom
Remarque Systems, Inc
Remarque Systems is looking for a Senior AI Software Engineer to join our Clinical Technologies team.Remarque Systems is a clinical technology company that is passionate about improving drug development using cutting edge software. Remarque is designed to simplify study management and propel innovation by consolidating data and support strategic decision making. What You'll Be Doing: Developing … product suite Collaborating with developers, architects, and product owners to understand and deliver on product functionality and customer requirements Providing technical leadership and expertise in the design of new software components Seamlessly incorporating pre-trained AI/ML models into our software products Developing, testing, and documenting software components in accordance with company standards and regulatory guidelines … Entity Framework (Full stack developer) Demonstrated experience with Angular, XML, and JSON Familiarity with .NET web services and common architectural and design patterns A proven track record of delivering software development projects using agile methodologies Experience in the life sciences field is highly desired Premier Research is dedicated to providing compensation that is fair and competitive with market standards. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Senior Software Engineer
10th Percentile
£60,000
25th Percentile
£65,000
Median
£82,500
75th Percentile
£110,938
90th Percentile
£132,750