1 to 25 of 364 Senior Full-Stack Engineer Jobs

influence engineering direction. Senior Full-Stack Software Engineer Responsibilities Design and build scalable full-stack applications using TypeScript, Node.js, and React Lead the migration from legacy PHP systems to a modern JavaScript/TypeScript stack Develop … practices and engineering excellence Senior Full-Stack Software Engineer Requirements Strong commercial experience in full-stack development with TypeScript, Node.js, and React Experience working with or migrating from legacy PHP systems would be ideal Hands-on knowledge ...

Senior Frontend Engineer/Full Stack Product Engineer - Energy About the Role Our client is hiring a Frontend Engineer/Full Stack Product Engineer to help build the software that their customers … operate with a high level of ownership, move quickly, and help shape both product and engineering direction in a growing business. Senior Frontend Engineer/Full Stack Product Engineer - Role Purpose We are looking for a Frontend Engineer ...

Senior Frontend Engineer/Full Stack Product Engineer - Energy About the Role Our client is hiring a Frontend Engineer/Full Stack Product Engineer to help build the software that their customers … operate with a high level of ownership, move quickly, and help shape both product and engineering direction in a growing business. Senior Frontend Engineer/Full Stack Product Engineer - Role Purpose We are looking for a Frontend Engineer ...

Senior Full-Stack Engineer – TypeScript/React/AWS 💰 Up to £90,000 + Equity | Fully Remote (UK) 💻 Tech Stack: TypeScript, Node.js, React.js, AWS ✅ Backend lean We’re on the hunt for a hands-on Senior Engineer … products Fully remote, but part of a high-performing, collaborative team 📩 Interested? Send over your CV + notice period. 🚀 Senior Full-Stack Engineer – TypeScript/React/ ...

Senior Full-Stack AI Engineer Contract Details Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB Contract Duration: Until 30/11/2026 Rate: £500 per day IR35 Status: Inside IR35 … guardrails, fallback logic, and human handoff mechanisms. Own feature delivery from solution design through deployment and production release. Required Skills & Experience Strong full-stack engineering experience using modern frontend and backend frameworks. Commercial experience with one or more of: Python Node.js Java Proven experience building: REST ...

Senior Full-Stack AI Engineer Contract Details Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB Contract Duration: Until 30/11/2026 Rate: £500 per day IR35 Status: Inside IR35 … Role Overview We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend API click apply for full job details ...

Senior Product Engineer, Full Stack - Energy £70,000 to £95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer … business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability ...

Senior Full-Stack Engineer Introduction Join a specialist platform operating at the heart of telecoms, compliance, and secure business messaging. This is a senior, hands-on role where you’ll take real ownership of a product that underpins trust, validation ...

Title: Senior Full-Stack Software Engineer (TypeScript, React, Node.js … Location: Leeds (2 days per week on-site) Salary: £60,000 - £70,000 + benefits Why Apply? This is a standout full-time Senior Full-Stack Software Engineer role in Leeds within a well-established, private equity-backed UK business ...

Senior Full-Stack Engineer (Backend-Leaning) – SaaS + AI Join a seed-stage SaaS startup backed by leading VCs, adopting AI to redefine their product. They’re pre-PMF, mid-pivot, and need a hands-on engineer (~80% coding … help build, define, and scale. 💰 Comp: Up to £100k + strong early stack equity package 🧑 💻 What you’ll do Full-stack engineering, backend-leaning (Next.js FE + BE, Node.js, TypeScript, legacy Python) Collaborate with product & CEO to shape the roadmap Help guide a small ...

that make business ownership accessible to those who have mastered their craft. We seek a highly motivated Senior Full Stack Engineer with mobile application development experience to join our growing development team. In this role, you will be responsible for designing, building … approach to working within a team. Senior Software Engineer Preferred Qualifications: Experience with enterprise software solutions. Knowledge of full-stack development. Back-end development expertise. Familiarity with cloud platforms such as AWS, Azure, or Google Cloud. Exposure to product management or team ...

Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record … delivered. The opportunity This is a rare greenfield engineering role at a genuinely early-stage business. The successful candidate will join a small, senior founding team and take real ownership of the technical foundation from day one, building the stack, setting the architecture, and establishing ...

Senior Full Stack Engineer – AI Helpdesk Platform We are hiring a Senior Full Stack Engineer to help build an enterprise-grade AI helpdesk platform focused on workflow automation, intelligent support experiences, and AI-powered … fallback handling, and human escalation processes. Own features end-to-end from architecture and development through deployment and optimization. Required Skills Strong full-stack engineering experience with modern frontend and backend frameworks. Proficiency in Python, Node.js, or Java. Experience building REST APIs, workflow services, and production ...

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join … London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data ...

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join … London, and we are currently operating hybrid working: splitting the week between home and office working. The Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data ...

Client: Large Global Tech Firm Workplace: Fully Remote Length: Until mid-October (extension likely) Description: Were looking for a senior fullstack infrastructure engineer with strong Bazel experience to join a developer tooling workstream focused on scaling and modernising build and CI infrastructure for a large, complex … scale Background in build system migrations or adoptions (e.g. Gradle/Make/CMake Bazel) experience working with large codebases or monorepos senior-level engineer comfortable operating across systems and abstractions If youre a senior engineer who enjoys build systems, CI infrastructure ...

About the Opportunity At N26, security is the foundation of our bank. We are looking for a Senior Full-stack Engineer to join our Security Engineering team. Who we are N26 has reimagined banking for today's digital world. Technology and design … independence to lead technical decisions and transform complex security requirements into elegant, scalable software that protects millions of users. As a Full-Stack Engineer, you will be at the forefront of our GenAI and LLM initiatives, building the foundational architecture required to safeguard sensitive ...

About the Opportunity At N26, security is the foundation of our bank. We are looking for a Senior Full-stack Engineer to join our Security Engineering team. Who we are N26 has reimagined banking for today's digital world. Technology and design … independence to lead technical decisions and transform complex security requirements into elegant, scalable software that protects millions of users. As a Full-Stack Engineer, you will be at the forefront of our GenAI and LLM initiatives, building the foundational architecture required to safeguard sensitive ...

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re working with a rapidly scaling Series A HealthTech SaaS business that … building impactful, real-world technology and gaining strong momentum in the market. They’re now hiring a Senior Full Stack Engineer (Individual Contributor) to help drive product development and influence engineering direction. This role offers a balance of ownership, autonomy, and hands ...

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re working with a rapidly scaling Series A HealthTech SaaS business that … building impactful, real-world technology and gaining strong momentum in the market. They’re now hiring a Senior Full Stack Engineer (Individual Contributor) to help drive product development and influence engineering direction. This role offers a balance of ownership, autonomy, and hands ...

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re working with a rapidly scaling Series A HealthTech SaaS business that … building impactful, real-world technology and gaining strong momentum in the market. They’re now hiring a Senior Full Stack Engineer (Individual Contributor) to help drive product development and influence engineering direction. This role offers a balance of ownership, autonomy, and hands ...

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re working with a rapidly scaling Series A HealthTech SaaS business that … building impactful, real-world technology and gaining strong momentum in the market. They’re now hiring a Senior Full Stack Engineer (Individual Contributor) to help drive product development and influence engineering direction. This role offers a balance of ownership, autonomy, and hands ...

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re working with a rapidly scaling Series A HealthTech SaaS business that … building impactful, real-world technology and gaining strong momentum in the market. They’re now hiring a Senior Full Stack Engineer (Individual Contributor) to help drive product development and influence engineering direction. This role offers a balance of ownership, autonomy, and hands ...

culture driven by purpose, straightforward communication and clinical domain expertise, Commence cuts straight to better care. Requirements: As a Senior Full-Stack Engineer at Commence, you will play a key role in designing, developing, and maintaining both front-end and back … Continuously improve and maintain existing systems by identifying areas of enhancement Stay updated with the latest industry trends and best practices in full-stack development Qualifications 7+ years of experience in full-stack development Exceptional problem-solving abilities-demonstrated track record ...

culture driven by purpose, straightforward communication and clinical domain expertise, Commence cuts straight to better care. Requirements: As a Senior Full-Stack Engineer at Commence, you will play a key role in designing, developing, and maintaining both front-end and back … Continuously improve and maintain existing systems by identifying areas of enhancement Stay updated with the latest industry trends and best practices in full-stack development Qualifications 7+ years of experience in full-stack development Exceptional problem-solving abilities-demonstrated track record ...