1 to 25 of 85 Permanent Senior Full-Stack Engineer Jobs in the UK

Senior Full-Stack Engineer (Frontend & Backend) Based in Glasgow | Salary up to £60,000 per annum Full-time | Permanent About the Role We are hiring on behalf of a fast-paced, technology-driven organisation looking for an experienced Senior Full-Stack Engineer … may apply Clearance: Must be eligible and willing to undergo DBS, NPPV Level 3, and HMPPS Cat A vetting Key Responsibilities Design, develop, and maintain scalable, secure full-stack applications Build modern, responsive frontend interfaces using React, TypeScript, and Tailwind CSS Develop backend services and APIs using Node.js, Python, or .NET Core Integrate and manage databases … secure authentication and access control using OAuth2, RBAC, and Azure IAM Participate in Agile processes, code reviews, mentoring, and solution design Candidate Profile Essential: 5+ years of full-stack development experience with modern web technologies Strong knowledge of JavaScript/TypeScript and modern frontend frameworks (e.g., React) Backend development experience with Node.js, Python, or .NET Core More ❯

Senior Full-Stack Engineer Want to use AI to make roads around the world safer and greener? We're looking for an energetic Engineer with a passion for data and web applications to join our team and help us transform transport. Salary: £60k - £80k Reporting to: François-Xavier Decroix, Engineering … role in extracting value from the trillions of data points per year which flow from our smart traffic sensors to government clients. As a senior full-stack engineer, you will architect, develop, and own varied projects, guiding technical direction to make a significant impact for customers, helping to make roads around the … skills are transferable, and passion goes a long way. Hiring process: 30 minute screening interview. 1 hour pair programming interview where you will work together with a VivaCity engineer 2.5 hour final round interview, split into a 60 minute technical experience interview, 60 minute soft skills interview, and 30 minute director interview We know that diverse ideas and More ❯

Senior Fullstack Engineer page is loaded Senior Fullstack Engineer Apply locations London time type Full time posted on Posted 30+ Days Ago job requisition id REQ_ Believ: ABOUT US At Believ, formerly known as Liberty Charge, we believe sustainable transport should be accessible to everyone. We're a Charge Point … set. You'll become part of a passionate and supportive team in a fast-paced, dynamic and result-driven environment. About the role We are seeking an experienced Senior Software Engineer (Full Stack/Backend) to lead the development of our in-house Charge Point Management System (CPMS) and customer-facing app … job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Similar Jobs (2) Senior Backend Engineer locations London time type Full time posted on Posted 30+ Days Ago Site Reliability Engineer locations London time type Full More ❯

capabilities across high-impact decisions. This comes with genuinely interesting technical challenges, with huge space for creativity and influence. We're actively seeking a senior full-stack engineer to deliver our cutting-edge product, Frontier, to new clients. As we continue to expand our platform's reach, you'll have the unique … which decisions are made. Our platform enables a CT to show historical process performance, model future behaviour and simulate decisions As a Senior Full Stack Engineer in the Customer Development team, you'll lead the technical delivery of customer-facing projects, working as part of small, cross-functional teams. You'll collaborate … useful. Work directly with customer stakeholders, including end users and engineering teams, to integrate Frontier into existing systems, data sources, and workflows. What we are looking for: Full-stack engineering experience with Python, Typescript and React Experience with PostgreSQL. Knowledge of CI/CD pipelines (ideally with GitLab). Strong understanding of system architecture and design. More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof … happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Software Engineer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof … happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Software Engineer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing More ❯

Senior Fullstack Engineer Department: Intelligence Collection Employment Type: Full Time Location: London, UK Reporting To: Simon Pickles Description About the Role As the senior engineer in our Crypto Intelligence Engineering team, you'll be working in the heart of Elliptic, building a platform for our intelligence organisation to efficiently and … and their usage (both from a technical and economic perspective) in the real-world Demonstrably great coding skills in at least one language and the proven ability to engineer good solutions Have increased operational efficiency by integrating disparate systems Enjoy working as part of a close-knit team on highly impactful problems Promote a positive culture of collaboration More ❯

Please visit our careers site to find out more about working at Ki Job Details: Senior Full Stack Engineer Full details of the job. Vacancy Name Vacancy Name Senior Full Stack Engineer Employment Type Employment Type Permanent Location Location London Role Details … research, and data science. Our squads focus on delivering high-impact features - we favour a highly iterative, analytical approach. We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and … for one or more of Ki's core technologies • Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: • Experience as a mid-senior level engineer working across a modern web stack • Strong software engineering principles (SOLID, DRY, ER modelling) • Professional experience with a server-side language, ideally JVM More ❯

Senior Full Stack Engineer (.NET & React) Location: Manchester or Leeds (Hybrid 2 days in-office) Salary: Up to £70,000 Eligibility: UK-based candidates only. Sponsorship is not available. Project Type: Greenfield Were hiring for a Senior Full Stack Engineer to work on a … greenfield engineering challengeno legacy constraints. Flexible hybrid working with offices in Manchester or Leeds. Flat structure, supportive leadership, and meaningful autonomy. Long-term transformation roadmap with consistent investment. Senior Front-End Engineer React Location: Manchester or Leeds (Hybrid 2 days in-office) Salary: Up to £70,000 Eligibility: UK-based candidates only. Sponsorship is not available. … Project Type: Greenfield Were seeking a Senior Front-End Engineer to help build a new, enterprise-level platform with React at its core. Working as part of a cross-functional team, youll own the creation of clean, scalable, and engaging UIs that define the user experience of a high-impact, high-visibility product. This is a More ❯

Senior Full Stack Software Engineer (NetSfere Omnichannel) Infinite Convergence Solutions, Inc. is an industry leader that provides next-generation messaging and mobility solutions to carriers and enterprises globally, including its enterprise-grade, secure mobile messaging platform - NetSfere Enterprise; customer engagement platform - NetSfere Omnichannel and complete range of scalable next-generation wireless communication … more information, visit and . Job Description Infinite Convergence Solutions NetSfere Omnichannel is looking for a hands-on, tech savvy, passionate, driven Senior Full Stack Engineer who want to be part of energetic and growing innovative team. The Senior Full Stack Engineer will work More ❯

encourage professional and personal growth, and foster a supportive and flexible work environment where everyone's contribution is welcomed. We are looking for a Senior Full-Stack Engineer to join us as part of our team. About the role We seek a talented Full-Stack Developer to join More ❯

We're looking for a senior full-stack engineer with React, Typescript skills to join one of the region's most exciting Climate Tech companies. They've built a platform which helps to drive the transition away from fossil fuel heating in people's homes and are now looking to add to More ❯

working methods. The Role Software Engineers are critical to building the products and services we need to deliver on set of tooling within our department. Joining us a Senior Software Engineer you will have the opportunity to build a high-profile products, work closely with a talented group of peers and have the room to build … of that journey. You will also work with Generative AI technologies, such as GPT-4 or Gemini, embedding their capabilities through prompt engineering in our systems. As the Senior Software Engineer, you'll need to demonstrate a deep understanding of user needs and contributing to the overall product vision. Our tech stack is diverse … them in practice A self-starter with the ability to work effectively in teams and remotely Experience : Proven experience as a Full Stack Software Engineer in product teams Strong Experience delivering (preferably Python, Go, Java/SpringBoot and TypeScript) code to production Experience working in an agile software development environment Proven experience with distributed More ❯

Senior Full Stack Engineer Salary £80k to £85k + Bonus and excellent pension/benefits Location: Central London About the client Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi-Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for … businesses and wholesale/carrier/channel organisations across London. What you will do: We are looking for a Senior Full Stack Engineer to own end-to-end delivery of critical features, drive architectural excellence, and establish best practices. You ll work hands-on across React, Node.js, and Python services, own our … with product, operations and customer success to translate requirements into robust technical solutions. A good fit candidate will have: 5+ years hands-on as a full stack engineer in a SaaS environment Expert in React (hooks, state management, performance) Strong backend skills in Node.js (Express) and Python (FastAPI, Celery) Deep familiarity with Microsoft Azure More ❯

Senior Full Stack Engineer Salary £80k to £85k + Bonus and excellent pension/benefits Location: Central London About the client Our client is an infrastructure communications technology company providing end-to-end fibre solutions and now Cloud solutions, Wi-Fi, Firewalls/Security, SD WAN, Managed LAN and UC services for … businesses and wholesale/carrier/channel organisations across London. What you will do: We are looking for a Senior Full Stack Engineer to own end-to-end delivery of critical features, drive architectural excellence, and establish best practices. You’ll work hands-on across React, Node.js, and Python services, own our … with product, operations and customer success to translate requirements into robust technical solutions. A good fit candidate will have: 5+ years hands-on as a full stack engineer in a SaaS environment Expert in React (hooks, state management, performance) Strong backend skills in Node.js (Express) and Python (FastAPI, Celery) Deep familiarity with Microsoft Azure More ❯

Senior Full Stack Engineer/Developer (Python Vue.js) London/WFH to £75k Opportunity to progress your career in a senior, hands-on role, working on a 'tech for good' product that is helping to reduce carbon emissions, via its complex data analytics platform that uses billions of data points … per month. As a Senior Full Stack Engineer you'll design and develop cloud software applications that work in conjunction with a large fleet of remotely managed IoT devices. You'll collaborate with experienced colleagues with exposure to the full product and service lifecycle from specification and architecture through to … React.js, NoSQL, Grafana, Gitlab, AWS You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Full Stack Engineer you will receive a competitive package: Salary to £75k 25 days holiday, increasing to 30 Health insurance including dental allowance Up to 5% matched pension contribution More ❯

Senior Full Stack Engineer/Developer (Python Vue.js) London/WFH to £75k Opportunity to progress your career in a senior, hands-on role, working on a "tech for good" product that is helping to reduce carbon emissions, via its complex data analytics platform that uses billions of data points … per month. As a Senior Full Stack Engineer you'll design and develop cloud software applications that work in conjunction with a large fleet of remotely managed IoT devices. You'll collaborate with experienced colleagues with exposure to the full product and service lifecycle from specification and architecture through to … React.js, NoSQL, Grafana, Gitlab, AWS You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Full Stack Engineer you will receive a competitive package: Salary to £75k 25 days holiday, increasing to 30 Health insurance including dental allowance Up to 5% matched pension contribution More ❯

Senior Full Stack Engineer 40 hours per week, Permanent Role UK, Remote £70k - £75k (We're transparent about our salary range - most offers start at the lower end, with room to grow based on performance.) Why Hertility? Hertility Health is transforming women's health, putting fertility and reproductive care at the forefront … their health from menstruation through menopause, with expert support every step of the way. ️ Why You'll Love This Role As a Senior Full Stack Engineer you'll play an integral role in our growing company. We're seeking a talented and versatile engineer to join our Engineering Team - Customer … be helping them develop their skills as well as being responsible for delivering new features. We're looking for someone with a good balance of being a great engineer and someone who wants to develop into a leader of our team, rather than being an individual contributor. We'll want you to plan and scope out work, communicate More ❯

Senior Full Stack Engineer - join a growing AI Start-Up Up to £90,000 Hybrid Working - Manchester based React.js, TypeScript, Node.js We are currently partnered with a growing AI start-up based in Manchester who are now scaling and they are looking for a Senior Full Stack Engineer to join their team to help grow their next-generation platform that is combining cutting-edge AI with science to transform the way users engage with content. The business has successfully generated a growing reputation within their sector and with industry partners from large organisations to start-ups, they are building a platform that businesses More ❯

Role: Senior Fullstack Engineer Location: Nottingham Working Arrangement: Hybrid, 3 days per week in office with flexibility around working hours Salary up to £75k Tech for Good – Renewable Energy Are you ready to shape the future of a growing tech company in the renewable energy sector? With a new CTO at the helm and major investment … place, this is a pivotal moment to join. They’re embarking on an ambitious journey to enhance their product suite and launch cutting-edge greenfield projects. As a Senior Software Engineer, you’ll play a key role in high-impact product teams, driving new development while ensuring top-tier quality and performance. You’ll have the … C#, .NET 9 ·React - open to Typescript & other SPA framework experience (Angular/Vue) ·AWS - open to other cloud experience (Azure/GCP) If you’re an experienced engineer looking for a role where you can make a tangible impact while working with the latest tech, we’d love to hear from you! Apply now for immediate consideration More ❯

SENIOR ASSOCIATE, FULL STACK DEVELOPERWant to make an application Make sure your CV is up to date, then read the following job specs carefully before applying. At BNY, our culture empowers you to grow and succeed. As a leading global financial services company at the center of the world’s financial system we touch … talents, together we help make money work for the world. This is what #LifeAtBNY is all about. We’re seeking a future team member for the role of Senior Associate, Full Stack Developer to join our team. This role is located in Manchester – Hybrid. Overview: As a Full Stack Developer More ❯

working Click here for more information on agile working options. Agile Working Options Agile Working Options Reduced Hours; Flexibility in when hours are worked; Hybrid Working JOB TITLE: Senior Software Engineer ( Fullstack ) HOURS: Full-time - 35 hours per week WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per … week, or 40% of our time, at one of our offices stated above . ABOUT THIS OPPORTUNITY We have multiple openings across our business for senior software engineer s with experience in a combination of backend and frontend development to join our growing engineering team s . You'll be responsible for developing high-quality, scalable … re committed to creating an environment in which everyone can thrive, learn and develop. We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer Initiative. We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and More ❯

ROLE: Senior Full Stack Engineer(focus on .Net) OFFICE: London, UK We are Two Circles. We are a Sports & Entertainment Marketing business. We grow audiences and revenues. We do that by knowing fans best. We work with clients to help them understand & influence what their fans are doing - the way fans spend … over the world JOB DESCRIPTION As part of our ongoing growth, we are expanding our technical team and looking for an experienced Senior Full Stack Engineer to join our London office. The chosen person will play an important role in influencing the rapidly growing Two Circles technology proposition and will be responsible More ❯

Social network you want to login/join with: Software Engineer, Full Stack (Senior), London col-narrow-left Client: Runna Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 4751b9357d64 Job Views: 12 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: We're … You will work closely with our founders and CTO to help shape the future of Runna, who will support you all along this exciting journey. As a Software Engineer, your role will include: Architect, build, test and deliver new features across the full stack Work with the Product team to identify the most suitable … supporting Enthusiasm for our ways of working which include: Iterative development, continuous deployment and test automation Shared code ownership & cross-functional teams Are experienced in delivering features full-stack Are experienced in Python or SwiftUI Are experienced in deployment, releasing cycles or CI/CD Have experience with React Native (worked on large scale applications) Have More ❯

in the Fintech ecosystem to identify and back revolutionary new businesses. The role Our Tech Team at Fasanara is looking to bring onboard a senior Full-Stack Engineer who will be essential in expanding the capabilities across our investment tools, working on several Greenfield projects. You'll have the opportunity to partner … across multiple business areas building scalable innovative solutions. This role would suit an ambitious, seasoned engineer who wants to be part of an expanding engineering team having a big impact. Responsibilities Design and develop scalable, high-performance internal platforms and applications for core business functions including Credit Trading, FX Hedging, Portfolio Monitoring, and Treasury. Collaborate cross-functionally with More ❯