1,726 to 1,750 of 2,845 Permanent Full Stack Engineer Jobs

Founding Engineer – Early-Stage Deep Tech Startup Full-time | Onsite in London £180,000 + Substantial Equity An early-stage, stealth-mode startup is looking for a Founding Engineer to join the team in central London. This is a unique opportunity to help build a transformative new platform at the intersection of software systems … Build and own core systems and architecture from the ground up Work closely with the founding team on product direction and technical strategy Make key decisions across the full stack — from infrastructure to user-facing elements Contribute to the early engineering culture, processes, and hiring Ideal Background Experience building complex systems in a startup or high … growth tech environment Strong computer science fundamentals; comfortable working across multiple layers of the stack Demonstrated ability to operate in fast-moving, ambiguous environments Bonus: familiarity with compilers, distributed systems, systems design, or programming languages theory Offer £180,000 base salary Significant equity in a high-potential startup London-based, full-time — onsite collaboration with a More ❯

skills or experience we're looking for, please go ahead and apply. We'd love to hear from you!About the role# HL are looking for a talented full stack Senior Software Engineer to join our Active Savings product development team in building market leading solutions for our clients. The Savings application allows HL … versioning and testing Understanding of TDD and BDD Test automation with Cucumber and Selenium Frontend Web development, HTML, CSS Knowledge of using JIRA and other Atlassian products Tech Stack Java/Springboot/Gradle/HTML/Oracle/MyBatis Cucumber/Selenium/RestAssured/Jenkins Linux/WindowsHere at HL, we're the UK's number More ❯

Senior Software Engineer - £70-£90k + Benefits Flexible Hybrid working options A Front-end Software Engineer opportunity for a business developing innovative and highly sensitive products for a range of external clients. This opportunity would best match candidates with 5 years+ software engineering backgrounds with a preference for Java or Python but any experience with Vue … VueJS or ReactJS Cloud deployment or automation experience with Ansible, Kubernetes, or similar (AWS preferred) Follow Agile processes and software engineering best practices, TDD, SOLID, Unit testing, etc Full stack development is beneficial but not essential All candidates must be DV or Advanced SC cleared and able to commute to their offices 3 day per week More ❯

Senior Software Engineer - £70-£90k + Benefits Flexible Hybrid working options A Front-end Software Engineer opportunity for a businessdeveloping innovative and highly sensitive products for a range of external clients. This opportunity would best match candidates with 5 years+ software engineering backgrounds with a preference for Java or Python but any experience with Vue or … VueJS or ReactJS Cloud deployment or automation experience with Ansible, Kubernetes, or similar (AWS preferred) Follow Agile processes and software engineering best practices, TDD, SOLID, Unit testing, etc Full stack development is beneficial but not essential All candidates must be DV or Advanced SC cleared and able to commute to their offices 3 day per week More ❯

Senior Software Engineer - SaaS | Nottingham (Hybrid - 2 Days Office) ?? PHP/Laravel or Python | React/Vue.js | SQL | AWS ?? £55,000 - £65,000 DOE Are you a Senior Software Engineer who loves building elegant, scalable systems that make a real impact? Join a forward-thinking SaaS business based in Nottingham , where innovation, collaboration, and flexibility are … engineers, product managers, and designers to deliver high-quality code. Taking ownership of projects from concept to deployment in an AWS environment. Writing clean, maintainable code across the full stack (PHP/Laravel or Python + React/Vue.js). Contributing to system architecture, best practices, and continuous improvement. Working hybrid - just two days a week … and opportunities to shape the product roadmap. Regular socials, flexible hours, and a genuinely friendly team environment. Why Apply? This is a brilliant opportunity for a Senior Software Engineer who wants to work with a modern stack, contribute ideas freely, and see their work make a real difference. If you're ready to take ownership, grow More ❯

inclusive, engaged, and high performing team Minimum requirements for the role: Bachelor's degree in Computer Science or equivalent practical experience 8+ years of experience as a software engineer Full-stack or backend development experience (React, Typescript, Golang). Strong programming/coding fundamentals with ability to leverage AI tools during development Track record … our team members to help us solve complex problems and want to ensure that Samsara is a place where people from all backgrounds can make an impact. Benefits Full time employees receive a competitive total compensation package along with employee-led remote and flexible working, health benefits, and much, much more. Take a look at our Benefits site More ❯

Senior Full Stack Elixir Engineer (Contract to Permanent) Hybrid (UK preferred, 1 day/week London) | Start ASAP A well-funded early-stage tech company is looking for a hands-on Elixir engineer to join a small, high-performing team on an initial contract. You’ll help shape a fast-evolving platform … Build and scale backend services using Elixir/Phoenix Design APIs and manage PostgreSQL data structures Integrate AI and data pipelines into core platform features Contribute across the stack (React/TypeScript experience a plus) Work closely with a small engineering team — fast pace, minimal red tape Option to go permanent after the initial period What We’re More ❯

Full Stack Product Software Engineer - £70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. … matching the skillset, start-ups and B2B product spaces. Equity and benefits package Please apply with your CV if interested If you have experience working with a similar stack at a B2B Seed/Series ABCD start-up please email with the subject line "B2B YC" for faster review. More ❯

Full Stack Product Software Engineer - £70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. … matching the skillset, start-ups and B2B product spaces. Equity and benefits package Please apply with your CV if interested If you have experience working with a similar stack at a B2B Seed/Series ABCD start-up please email mike@thedeveloperlink.io with the subject line "B2B YC" for faster review. More ❯

Full Stack Product Software Engineer - £70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. … matching the skillset, start-ups and B2B product spaces. Equity and benefits package Please apply with your CV if interested If you have experience working with a similar stack at a B2B Seed/Series ABCD start-up please email mike@thedeveloperlink.io with the subject line "B2B YC" for faster review. More ❯

Full Stack Product Software Engineer - 70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. … matching the skillset, start-ups and B2B product spaces. Equity and benefits package Please apply with your CV if interested If you have experience working with a similar stack at a B2B Seed/Series ABCD start-up please email mike@thedeveloperlink.io with the subject line B2B YC for faster review. More ❯

Full Stack Product Software Engineer - 70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. … matching the skillset, start-ups and B2B product spaces. Equity and benefits package Please apply with your CV if interested If you have experience working with a similar stack at a B2B Seed/Series ABCD start-up please email mike@thedeveloperlink.io with the subject line B2B YC for faster review. More ❯

Full Stack Product Software Engineer - £70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. … matching the skillset, start-ups and B2B product spaces. Equity and benefits package Please apply with your CV if interested If you have experience working with a similar stack at a B2B Seed/Series ABCD start-up please email mike@thedeveloperlink.io with the subject line "B2B YC" for faster review. More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript … stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner applications. Being part of the Online team, you will be working closely with engineers, designers and the product team. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and … Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with Headless CMS (we use Sanity) Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript … stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner applications. Being part of the Online team, you will be working closely with engineers, designers and the product team. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and … Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with Headless CMS (we use Sanity) Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript … stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner applications. Being part of the Online team, you will be working closely with engineers, designers and the product team. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and … Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with Headless CMS (we use Sanity) Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript … stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner applications. Being part of the Online team, you will be working closely with engineers, designers and the product team. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and … Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with Headless CMS (we use Sanity) Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies More ❯

Job Role: Senior Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern Next.js TypeScript … stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner applications. Being part of the Online team, you will be working closely with engineers, designers and the product team. While this is primarily an engineering role, we are always looking for developers who have a keen eye for product and … Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with Headless CMS (we use Sanity) Exposure to backend or full-stack development (Node.js, Express, etc.) Developing white-label applications Building internationalised applications Familiarity with frontend observability best practices (we use Datadog) Experience in agile software development methodologies More ❯

that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior … API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs … to enhance development efficiency. Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and More ❯

that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior … API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs … to enhance development efficiency. Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and More ❯

that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior … API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs … to enhance development efficiency. Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and More ❯

that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior … API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs … to enhance development efficiency. Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and More ❯

that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior … API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs … to enhance development efficiency. Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and More ❯

Software Engineer (R&D Applications) Location: Outskirts of Bristol - North Somerset end Salary up to 60,000 + Yearly Bonus + excellent company benefits You must be Security Cleared or be eligible for SC Clearance and be a Sole British National NexGen Associates are working with a fantastic client who is an innovative technology organisation working at the … forefront of advanced sensing and intelligent systems development is looking for a Software Engineer to join their research and development function. This role sits within a specialist team focused on building prototype and proof-of-concept software solutions for cutting-edge applications not production-line or volume commercial software. This opportunity is ideal for someone who enjoys rapid … Requirements for the role: Strong coding skills in Python and C++ Familiarity with machine-learning frameworks (PyTorch or similar) Experience building GUIs (e.g. PyQt, Tkinter) and/or full-stack interfaces Understanding of real-time data handling, multithreaded systems and performance-driven code Comfortable working within Linux and Windows environments Knowledge of DevOps tools and Git More ❯

Software Engineer (R&D Applications) Location: Outskirts of Bristol - North Somerset end Salary up to £60,000 + Yearly Bonus + excellent company benefits You must be Security Cleared or be eligible for SC Clearance and be a Sole British National NexGen Associates are working with a fantastic client who is an innovative technology organisation working at the … forefront of advanced sensing and intelligent systems development is looking for a Software Engineer to join their research and development function. This role sits within a specialist team focused on building prototype and proof-of-concept software solutions for cutting-edge applications – not production-line or volume commercial software. This opportunity is ideal for someone who enjoys rapid … Requirements for the role: Strong coding skills in Python and C++ Familiarity with machine-learning frameworks (PyTorch or similar) Experience building GUIs (e.g. PyQt, Tkinter) and/or full-stack interfaces Understanding of real-time data handling, multithreaded systems and performance-driven code Comfortable working within Linux and Windows environments Knowledge of DevOps tools and Git More ❯