East London, London, England, United Kingdom Hybrid / WFH Options
Avanti
platform that powers thousands of online stores. This is a hands-on role with a strong focus on backend development in .NET 8 , alongside supporting UI development built in React . The Role Deliver new backend functionality in modern .NET (C#/.NET 8) Help integrate and validate React UIs Contribute to ongoing rebuild and refactor of legacy systems Work … integrations Collaborate closely with a small, experienced team in a flat structure Remote-first – work from anywhere in the UK Tech Stack Backend: .NET 8, C#, Azure, PostgreSQL Frontend: React, Vue (legacy), Loveable (low-code React generator) Tools: GitHub Actions, Azure Service Fabric, Supabase Integrations: Shopify, other e-commerce APIs You’ll Need Strong experience with modern .NET … or 8) Solid understanding of APIs and backend systems Comfortable reviewing and working with React (even if not the main focus) Excellent communication and collaboration skills Self-starter mentality – able to deliver independently Nice to Have: Azure experience (Service Fabric is a bonus) CI/CD with GitHub Actions Shopify or e-commerce background What’s on Offer More ❯
mind: While focused on prototypes, keep an eye on future productisation and technical debt. What They're Looking For Full stack capability: Strong experience with front-end frameworks (e.g. React, Next.js, React Native) and back-end systems (e.g. Node.js, Python). AI integrations: Hands-on experience integrating AI tools and services (e.g. OpenAI, Anthropic, LangChain, Pinecone, speech/video APIs More ❯
london, south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology and redefining trading experiences for the market. They are a … where you’ll be responsible for full-stack development and play a key role in enhancing their trading platforms. C#.NET is the core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer , you’ll be hands-on in development while also contributing to technical decisions. … Experience Required 7+ years of experience in software development with a strong focus on C# and .NET . Proven experience in designing and building scalable, event-driven architectures . React experience is a plus , particularly for building modern user interfaces. Proficiency in SQL , with GraphQL and Redux being beneficial. Experience in software development best practices, performance optimization, and debugging . More ❯
development processes and workflows Required Qualifications, Capabilities And Skills Formal training or certification on JavaScript concepts and proficient applied experience Ability to write testable, clean JavaScript code Proficiency in React framework Familiarity with writing unit tests Understanding of REST APIs and GraphQL Ability to work in a dynamic, agile environment within a geographically distributed team Ability to focus on promptly … addressing customer needs Excellent written and verbal communication skills in English Preferred Qualifications, Capabilities And Skills Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Comfortable working with projects partially or fully using TypeScript Using latest React features such as Suspense and Hooks End to end testing applications with More ❯
ll be working on critical middle and back-office systems that support trading and operations functions. Key Responsibilities Design, develop, and maintain full stack applications using C# backend and React frontend Build and enhance middle and back-office systems supporting fund operations Collaborate with business stakeholders including fund accounting, operations, and trading teams Develop scalable, high-performance solutions for financial … data processing Participate in code reviews and maintain high development standards Required Skills & Experience Strong proficiency in C# .NET (Core preferred) for backend development Solid experience with React and modern JavaScript frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with More ❯
ll be working on critical middle and back-office systems that support trading and operations functions. Key Responsibilities Design, develop, and maintain full stack applications using C# backend and React frontend Build and enhance middle and back-office systems supporting fund operations Collaborate with business stakeholders including fund accounting, operations, and trading teams Develop scalable, high-performance solutions for financial … data processing Participate in code reviews and maintain high development standards Required Skills & Experience Strong proficiency in C# .NET (Core preferred) for backend development Solid experience with React and modern JavaScript frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with More ❯
ll be working on critical middle and back-office systems that support trading and operations functions. Key Responsibilities Design, develop, and maintain full stack applications using C# backend and React frontend Build and enhance middle and back-office systems supporting fund operations Collaborate with business stakeholders including fund accounting, operations, and trading teams Develop scalable, high-performance solutions for financial … data processing Participate in code reviews and maintain high development standards Required Skills & Experience Strong proficiency in C# .NET (Core preferred) for backend development Solid experience with React and modern JavaScript frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with More ❯
london (city of london), south east england, united kingdom
Cross Atlantic Partners
ll be working on critical middle and back-office systems that support trading and operations functions. Key Responsibilities Design, develop, and maintain full stack applications using C# backend and React frontend Build and enhance middle and back-office systems supporting fund operations Collaborate with business stakeholders including fund accounting, operations, and trading teams Develop scalable, high-performance solutions for financial … data processing Participate in code reviews and maintain high development standards Required Skills & Experience Strong proficiency in C# .NET (Core preferred) for backend development Solid experience with React and modern JavaScript frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with More ❯
top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reward Gateway
top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯
london, south east england, united kingdom Hybrid / WFH Options
Reward Gateway
top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Reward Gateway
top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯
will be working with a manufacturing business to capture their live sensor data and generating real time reports from their IoT Device via web apps and dashboards built using React & Node. Required: React Node CSS/HTML Javascript Typescript Beneficial: IoT Experience TDD Raspberry PI If you are interested in the position please send an updated copy of your CV More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
will be working with a manufacturing business to capture their live sensor data and generating real time reports from their IoT Device via web apps and dashboards built using React & Node. Required: React Node CSS/HTML Javascript Typescript Beneficial: IoT Experience TDD Raspberry PI If you are interested in the position please send an updated copy of your CV More ❯
Senior Engineer/Frontend Engineer/Frontend Developer/React/Typescript/ELM/AI Senior Frontend developer - AI Startup (London, Hybrid) Location: London (Hybrid - 2x per week in office) Experience: 3-6 years Package: 80-150k + equity Tech: React, Typescript, JavaScript, ELM Tiro Partners is representing an exciting AI scale Up who have ambitious plans to … This is nectar for Engineers who have both a passion for Front End Development and an interest to learn Functional Programming. The skill set for this role could include React, Typescript, Python, Functional programming language of any kind and a major statically typed language. Any WebGL, OpenGL OR Vulcan is beneficial as is Tailwind CSS and ELM. My client is … in a fast paced start up environment that promotes failure in the quest for perfection Requirements 3-6 years of experience in frontend development Strong hands-on expertise with React, Typescript, Javascript Strong foundation in Computer Science (BSc/MSc from a top university). Desirable: functional programming (hands on/interest) such as ELM/Haskell/Clojure Startup More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Tiro Partners Limited
Senior Engineer/Frontend Engineer/Frontend Developer/React/Typescript/ELM/AI Senior Frontend developer - AI Startup (London, Hybrid) Location: London (Hybrid - 2x per week in office) Experience: 3-6 years Package: 80-150k + equity Tech: React, Typescript, JavaScript, ELM Tiro Partners is representing an exciting AI scale Up who have ambitious plans to … This is nectar for Engineers who have both a passion for Front End Development and an interest to learn Functional Programming. The skill set for this role could include React, Typescript, Python, Functional programming language of any kind and a major statically typed language. Any WebGL, OpenGL OR Vulcan is beneficial as is Tailwind CSS and ELM. My client is … in a fast paced start up environment that promotes failure in the quest for perfection Requirements 3-6 years of experience in frontend development Strong hands-on expertise with React, Typescript, Javascript Strong foundation in Computer Science (BSc/MSc from a top university). Desirable: functional programming (hands on/interest) such as ELM/Haskell/Clojure Startup More ❯
JOB TITLE: Senior Full Stack Developer (React, TypeScript, .NET) REPORTS TO: Head of Development JOB PURPOSE As a Senior Full Stack Developer, you will play a critical role in designing, developing, and maintaining scalable, secure, and robust web applications. This role involves leveraging your expertise in React, TypeScript, .NET Core, and cloud technologies to build innovative solutions. Your work will … success of key projects, including the development of microservice architectures and integrations with advanced identity management systems. RESPONSIBILITIES Application Development: Develop and maintain full-stack applications using .NET Core, React JS, and TypeScript. Microservices Architecture: Design and implement scalable, distributed systems, focusing on event-driven communication and domain-driven design (DDD). Identity Management: Integrate SSO/Identity Management solutions … adhering to SOLID principles and ensuring compliance with software security standards. EXPERIENCE A minimum of five years of professional development experience with .NET Core. Proven front-end expertise with React JS and TypeScript. Hands-on experience in distributed microservice architecture and event-driven communications. Familiarity with Agile methodologies and collaborative development practices. Professional experience with Azure cloud services for application More ❯
JOB TITLE: Senior Full Stack Developer (React, TypeScript, .NET) REPORTS TO: Head of Development JOB PURPOSE As a Senior Full Stack Developer, you will play a critical role in designing, developing, and maintaining scalable, secure, and robust web applications. This role involves leveraging your expertise in React, TypeScript, .NET Core, and cloud technologies to build innovative solutions. Your work will … success of key projects, including the development of microservice architectures and integrations with advanced identity management systems. RESPONSIBILITIES Application Development: Develop and maintain full-stack applications using .NET Core, React JS, and TypeScript. Microservices Architecture: Design and implement scalable, distributed systems, focusing on event-driven communication and domain-driven design (DDD). Identity Management: Integrate SSO/Identity Management solutions … adhering to SOLID principles and ensuring compliance with software security standards. EXPERIENCE A minimum of five years of professional development experience with .NET Core. Proven front-end expertise with React JS and TypeScript. Hands-on experience in distributed microservice architecture and event-driven communications. Familiarity with Agile methodologies and collaborative development practices. Professional experience with Azure cloud services for application More ❯
JOB TITLE: Senior Full Stack Developer (React, TypeScript, .NET) REPORTS TO: Head of Development JOB PURPOSE As a Senior Full Stack Developer, you will play a critical role in designing, developing, and maintaining scalable, secure, and robust web applications. This role involves leveraging your expertise in React, TypeScript, .NET Core, and cloud technologies to build innovative solutions. Your work will … success of key projects, including the development of microservice architectures and integrations with advanced identity management systems. RESPONSIBILITIES Application Development: Develop and maintain full-stack applications using .NET Core, React JS, and TypeScript. Microservices Architecture: Design and implement scalable, distributed systems, focusing on event-driven communication and domain-driven design (DDD). Identity Management: Integrate SSO/Identity Management solutions … adhering to SOLID principles and ensuring compliance with software security standards. EXPERIENCE A minimum of five years of professional development experience with .NET Core. Proven front-end expertise with React JS and TypeScript. Hands-on experience in distributed microservice architecture and event-driven communications. Familiarity with Agile methodologies and collaborative development practices. Professional experience with Azure cloud services for application More ❯
london (city of london), south east england, united kingdom
Venquis
JOB TITLE: Senior Full Stack Developer (React, TypeScript, .NET) REPORTS TO: Head of Development JOB PURPOSE As a Senior Full Stack Developer, you will play a critical role in designing, developing, and maintaining scalable, secure, and robust web applications. This role involves leveraging your expertise in React, TypeScript, .NET Core, and cloud technologies to build innovative solutions. Your work will … success of key projects, including the development of microservice architectures and integrations with advanced identity management systems. RESPONSIBILITIES Application Development: Develop and maintain full-stack applications using .NET Core, React JS, and TypeScript. Microservices Architecture: Design and implement scalable, distributed systems, focusing on event-driven communication and domain-driven design (DDD). Identity Management: Integrate SSO/Identity Management solutions … adhering to SOLID principles and ensuring compliance with software security standards. EXPERIENCE A minimum of five years of professional development experience with .NET Core. Proven front-end expertise with React JS and TypeScript. Hands-on experience in distributed microservice architecture and event-driven communications. Familiarity with Agile methodologies and collaborative development practices. Professional experience with Azure cloud services for application More ❯
Senior AI/Front End Developer – London eCommerce | AI-Powered UI Innovation | Leadership Opportunity We are seeking a Senior Front-End/AI Developer with strong React and AI expertise to lead the transformation of our eCommerce platforms. You will play a key role in modernising our front-end architecture and integrating AI-powered solutions to enhance user experience, development … workflows, and business performance. About the Role You’ll drive the next generation of our customer-facing applications, using React and modern front-end technologies to deliver fast, intuitive, and intelligent interfaces. Working closely with product, design, and back-end teams, you’ll also leverage AI tools to optimise development, automate testing, and create smarter user interactions. Key Responsibilities: Lead … the rebuild of front-end applications using React, modern JavaScript/TypeScript, and supporting frameworks Integrate AI-powered features into the user experience (e.g., personalised recommendations, intelligent search) Use AI developer tools (e.g., GitHub Copilot, ChatGPT, Tabnine) to boost productivity and maintain code quality Collaborate with designers and back-end engineers to deliver seamless, scalable solutions Mentor junior front-end More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Xact Placements Limited
developing enterprise-grade SaaS features across backend and frontend systems Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) Creating data-driven dashboards and UIs with React, Next.js, and Chakra UI Translating product and design requirements into elegant, maintainable solutions Troubleshooting and optimising performance across the full stack Collaborating with product managers, designers, and engineers to deliver … for: 5+ years’ experience building enterprise SaaS products (ideally in cybersecurity or data-heavy environments) Strong backend development with TypeScript, NestJS, Sequelize ORM, GraphQL, REST APIs Frontend expertise with ReactJS, NextJS, Typescript, Chakra UI Experience with MySQL and NoSQL databases Familiarity with messaging/event-driven systems (Kafka) Ability to work closely with designers (Figma) and translate complex business logic More ❯
Principal JavaScript Engineer (TypeScript/React/Node.js) £150,000–£170,000 + Equity | Hybrid – 3 days in London We’re helping a VC-backed SaaS scaleup reinvent how organisations manage and approve spend, from software requests to supplier onboarding, and they’re gearing up for serious growth. With enterprise clients already on board and revenue climbing, they’re looking … day — thanks to a rock-solid CI/CD setup Collaborate closely with product, design, and leadership to shape the roadmap Tech stack you’ll be working with : TypeScript, React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge) What you’ll be doing: This isn’t just about writing code, it’s about owning problems end-to-end and influencing every part … observable as we scale to hundreds of enterprise customers. Collaborate closely with product, design, and leadership to set roadmap priorities and define technical strategy. Work across the stack — from React frontends to AWS serverless backends — and own your projects from infrastructure to styling. Deploy continuously (multiple times per day) using their robust CI/CD pipelines. Mentor other engineers and More ❯
