626 to 650 of 1,044 Senior Software Engineer Jobs in the UK

Established Software House that develop SaaS products for the Healthcare Industry with modern technologies are looking for a couple Senior Software Engineers to join one of their Agile teams in Edinburgh. Modern tech and hybrid working on offer. The organisation are well known and have a very strong technical environment and reputation, everyone lives and breathes modern … Core , Azure, SQL and Angular . The company obviously work with a really modern tech stack, but they are fairly tech agnostic and really just want to hire strong Software Engineers with good experience using best practices, so they aren’t bogged down if you haven’t worked with their full tech stack. The company do place a really … strong importance on doing software development correctly (from SOLID principles, Design Patterns, Restful API’s, Unit Testing, Test Driven Development ), Engineers that embody these practices would fit in well. You’ll ideally have commercial experience with most of the following; Modern .Net (C#, MVC, .Net Core, Web API) Databases (ideally SQL Server) Cloud Services (Azure, AWS or GCP) HTML More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

experimentation, and innovation, then this is the job for you! Why Join Our Engineering Team? Be part of a team that's shaping the future of investments. As an engineer, you'll play a pivotal role in developing and maintaining a robust, scalable platform used by thousands daily. We tackle complex technical challenges, drive innovation, and build solutions that … impact. Here, your code doesn't just run - it powers the decisions of investors across the UK. Join us and turn ideas into reality. We are looking for a Senior Backend Software Engineer to play a pivotal role in our engineering team. In this position, you'll lead the end-to-end delivery of complex, impactful features … building innovative solutions. Key Responsibilities & Your Impact Lead the end-to-end process for development projects and new features from design development post-production including having an aptitude for software validation. Collaborate frequently with an emphasis on sharing knowledge through team discussions & workshops whilst developing and mentoring more junior members of the team. Set the standards for code reviews More ❯

Senior Engineer Data/Software - London - £90,000 - £130,000 My client are expanding their Data Science & Technology, the team builds the systems and tools that enable trading teams to analyze markets, forecast price movements, and manage risk with speed and precision. If you re passionate about engineering impactful solutions in a high-performance trading … with local charities 23 days annual leave plus bank holidays Hybrid work model 3 days per week in the London office Collaborate directly with trading and analytics teams to engineer, optimize, and automate front-office workflows and analytical models. Develop robust Python-based services and APIs using modern frameworks, microservice architectures, and best-practice design principles. Design and maintain More ❯

Quest Global are hiring for experienced C++ Senior/Principal Software Engineers on a permanent basis to be based in Luton. This position is for embedded software development in an end to end role focused on electronic warfare systems. As a software engineer, you will work within an integrated project team and be responsible for … Essential Skills and Qualifications Strong programming expertise in C++14 , with extensive experience using Visual Studio for development, debugging , and performance optimisation. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks , including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. Strong unit test skills using tools such as MS Test … and internal stakeholders to deliver high-quality outcomes. Excellent written and verbal communication skills. Strong peer reviewing skills ( source code and documentation). Desirable Skills and Qualifications Experience delivering software within Agile and DevOps frameworks, actively contributing to sprint meetings. Practical exposure to Continuous Integration (CI) environments and automated build and test pipelines. Working knowledge of Azure DevOps for More ❯

better sense of belonging, we believe we've created a culture in which everyone can succeed, no matter how you got here. The Position We're looking for a Senior iOS Software Engineer to join our Unified Modules vertical. You'll be working within the Core Products and Experiences domain to develop and promote a new set … What We're Looking For Experience writing code for iOS using Swift A willingness to upskill in Typescript/React and/or Android/Kotlin Understanding of Agile software development Quality and testing focused with your code Ability to hold yourself and the team to high standards Ability to provide in-depth evaluation of multiple technical directions and … determine tradeoffs of each Additionally, our Senior Engineers are able to: Contribute to the team's design, scoping and prioritisation discussions, help the team provide solutions that make our Products better and enjoyed by more people. Lead smaller projects of work within the team. Coach & nurture other members of the team Participate in the interview process and help your More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer … hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) AWS ML/Big Data- desirable Design and development of low latency software components Collaborate in agile development process meetings, stand ups, sprint panning, retrospectives and foster collaboration Projects: migration from java 11 to java 17 brand new lender platform and payment … modern and state of the art office with lots of socials and an outstanding Engineering Leader who has a history of building high performing teams and growth of individuals. Senior Java Developer- London/Hybrid- up to £95k More ❯

Role: Senior Java Software Engineer (pref. Back-end) Salary: 85,000100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product, focusing on Wealth Management, is … on board to expedite design and development...the mentality is very much own it, build it, ship it and host it. The Team Circa 30-40 in total. One Lead engineer across both back-end and front-end. This position reports into the CTO. The Stack Java AWS/Heavily Microservices-led React-Typescript React-Native IaC - Terraform Agnostic mindset More ❯

Role: Senior Java Software Engineer (pref. Back-end) Salary: £85,000–£100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product, focusing on Wealth Management … on board to expedite design and development...the mentality is very much own it, build it, ship it and host it. The Team Circa 30-40 in total. One Lead engineer across both back-end and front-end. This position reports into the CTO. The Stack Java AWS/Heavily Microservices-led React-Typescript React-Native IaC - Terraform Agnostic mindset More ❯

and public health. Role EIT fosters a culture of collaboration, innovation, and resilience, valuing diverse expertise to drive sustainable solutions to humanity's enduring challenges. We are hiring a Senior Backend Software Engineer to develop the platform services that store and provide access to data. This is a hands-on role (70-80%) with leadership responsibilities focused … managing and supporting the development of a high-performing team of backend engineers focused on the data platform. Essential knowledge, skills, and experience Proven experience as a backend cloud engineer, data engineer, or similar role. Proficiency in backend programming languages and API frameworks such as Python, NodeJS, Django, and FastAPI. Experience building flexible APIs using GraphQL. Expertise in More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯