Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
OMEGA, Inc
help guide junior developers and shape best practices in our frontend codebase. What You'll Do Build and maintain high-quality, scalable React applications using modern tools (React 18+, TypeScript, WebStorm, Rider etc.) Collaborate cross-functionally with designers, Product Owners, and backend developers Drive architecture and design discussions for frontend components and application state Optimize applications for speed and … environment, contributing to planning and continuous improvement What We're Looking For 5+ years of experience developing web applications, with at least 3+ years utilizing React Strong proficiency in TypeScript, HTML, and CSS Deep understanding of React: lifecycle, hooks, and state management Strong history of working with React and libraries like Material-UI (MUI), React Query/TanStack Query More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
You'll help shape technical architecture, contribute directly to code and collaborate closely with Agile teams to deliver secure and maintainable software solutions. Our projects primarily utilise React and TypeScript for front-end development with varied back-end technologies including Python, Node.js, .NET and Ruby. You'll benefit from robust DevOps support, established delivery processes and the autonomy to More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
sectors. Budget: £55k + full benefits + fully remote Primary requirements: Must be eligible for SC Clearance Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. LLM experience: Practical experience with Large Language Models More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : ? Ruby-on-Rails, Java, Python, C# ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Educations Media Group
skills, combined with excellent communication and collaboration abilities. Essential Foundational Skills: Deep proficiency in React and Next.js: Extensive experience building complex, scalable, and performant web applications. Strong JavaScript/TypeScript skills: Expert-level understanding of modern JavaScript and TypeScript. Solid understanding of web fundamentals: HTML, CSS, and responsive design principles. Experience with API integration: Proven ability to connect front More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer - AI Product Company - FULLY REMOTE IN UK - £125k - TypeScript/Python/React/AWS/GenAI, Sheffield, South Yorkshire Client: Opus Recruitment Solutions Location: Sheffield, South Yorkshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 5 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job … delivery and mentoring other engineers Building greenfield features that solve real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
MySQL Strong knowledge of PHP, understanding its strengths and weaknesses Experience with PHP frameworks like Symfony and Laravel Languages PHP, Ruby-on-Rails, Java, Python, C# Frontend Technologies Vue.js, TypeScript, Angular, React Cloud Platforms Amazon Web Services (AWS) Databases & Tools GraphQL, REST APIs, TDD, DDD, Agile methodologies (Scrum, Kanban) About You Self-motivated and independent worker Passionate about writing More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Educations Media Group
stakeholders, you'll help shape the front-end of our websites ensuring they're are accessible, responsive, and user-focused. Responsibilities Write clean, reusable, and well-documented JavaScript/TypeScript, HTML, and SCSS code. Turn UI/UX designs into responsive, interactive, and accessible web experiences Optimise website performance and speed, with a focus on Core Web Vitals Develop More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Velociti Solutions Limited
level engineering approaches, such as DI/IoC, TDD, etc. PHP programming skills with demonstrable knowledge of the language. Experience of developing front-end applications using PHP, JavaScript/TypeScript/jQuery Experience of using the Angular Framework. Experience in designing, building, and consuming APIs with OpenAPI (Swagger). Experience of database development using MariaDB Experience working with source More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
the business. Your Role: Own the end-to-end development of the platform—from MVP through to scalable product iterations. Lead full-stack engineering using Django (Python), React, and TypeScript, including architecture decisions, coding, and quality assurance. Manage and collaborate with outsourced development teams, ensuring delivery aligns with product goals and quality standards. Translate business goals into technical execution … What You’ll Need: ️ Proven experience as a full-stack engineer with the ability to ship scalable, production-ready web applications. ️ Deep hands-on experience with Python/Django, TypeScript, and React. ️ Strong DevOps/infrastructure knowledge, including familiarity with DigitalOcean, CI/CD, monitoring, and eventual migration plans. ️ Experience managing outsourced and distributed development teams, with strong project More ❯
Sheffield, South Yorkshire, United Kingdom Hybrid / WFH Options
Akkodis
v8 as a database. I'd also love you to have a full-stack approach with a good handle on the front-end - Solid JavaScript, HTML, CSS and ideally TypeScript, too. This is a chance to rub shoulders with some of the most talented PHP Engineers and wider techies in the UK. Whilst hiring for these new developers, it More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full-Stack Engineer - Online Marketplace - FULLY REMOTE - React/TypeScript/Django/AWS - £78,000 + Bonus - B-CORP, sheffield, south yorkshire col-narrow-left Client: Opus Recruitment Solutions Location: sheffield, south yorkshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views … the front and backend They are FULLY REMOTE and do not have office expectations. With this in mind, you'll need to be comfortable working remotely and independently. React.js Typescript Python Django API Development AWS Nice to have: This is a 2 stage interview process that will include a 30 min call with their CTO followed by a More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
lifecycle, from initial design and data structuring to advanced AI integration, ensuring robust, scalable, and high-performance solutions. Key Responsibilities: Design, build, and maintain web application features using Next.js, TypeScript, React and Node Contribute to and optimise their monorepo, which includes both B2B SaaS platforms and AI/LLM modules. Integrate and fine-tune commercially available LLMs (e.g., OpenAI … management. Implement multi-step LLM workflows using orchestration frameworks like LangChain. Design, optimise, and manage database architecture using MySQL. Develop and maintain type-safe RPC endpoints with tRPC and TypeScript for seamless front-end and back-end communication. Rapidly onboard to their modern TypeScript stack, ensuring high-velocity feature delivery. Required experience: Proven experience working within complex, unified … codebases that combine application logic with AI/LLM components. Expertise in modern web development with Next.js, tRPC, TypeScript, and Prisma. Strong understanding of database design and optimisation, particularly with MySQL. Hands-on experience integrating with AI models like ChatGPT or Gemini, including prompt crafting and API management. Familiarity with LangChain or similar orchestration tools for multi-step AI More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack Engineer - TypeScript, LLMs, sheffield, south yorkshire col-narrow-left Client: Oliver Bernard Location: sheffield, south yorkshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack Engineer - TypeScript … AI integrations. You'll be involved in the full feature lifecycle, from design and development to optimising AI-driven user experiences. Key Responsibilities: Develop and maintain web applications using TypeScript, React, Node and Next.js. Contribute to a monorepo encompassing B2B SaaS and AI modules. Integrate Large Language Models (LLMs) like OpenAI and Gemini through prompt engineering. Optimise MySQL databases … for performance and scalability. Build type-safe RPC endpoints with tRPC and TypeScript. Requirements: Experience with Next.js, tRPC, TypeScript, Prisma. Strong database skills ideally with MySQL. Hands-on experience integrating AI models (e.g., ChatGPT, Gemini). Familiarity with LangChain or similar orchestration tools. Fast learner, adaptable in high-paced environments. Preferred Skills: Experience deploying and fine-tuning custom AI More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full-Stack Engineer - TypeScript + (AI and LLM Integration) - £110K, Remote UK, sheffield, south yorkshire col-narrow-left Client: Oliver Bernard Location: sheffield, south yorkshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job … the full feature lifecycle, from design (including data structures) to AI integration, enhancing user experiences through advanced Large Language Models. Key Responsibilities Build and maintain web application features using TypeScript, React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g. … pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe RPC endpoints using tRPC and TypeScript to ensure smooth frontend-backend communication Rapidly onboard to a modern TypeScript stack to support high-velocity feature development Required Qualifications Proven experience working in a unified codebase More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full-Stack Engineer - AI Startup - TypeScript/LLM - £120k - Fully Remote, sheffield, south yorkshire col-narrow-left Client: Opus Recruitment Solutions Location: sheffield, south yorkshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job … thinking technology company that is pioneering the integration of AI into B2B software solutions. We are seeking a highly skilled Senior Full-Stack Engineer with a strong foundation in TypeScript and a keen interest in working with Large Language Models (LLMs). This role offers the opportunity to contribute to a unified codebase that supports both a robust SaaS … architectural design and database modelling to the integration of LLMs—helping to shape intelligent, user-centric features. Key Responsibilities Design, develop, and maintain web application features using Next.js and TypeScript Contribute to a monorepo encompassing both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Senior Full Stack Ruby Engineer - Tech For Good - Fully Remote Industry: Tech for Good (Sustainability) Location: Fully Remote with London base for those nearby Tech Stack: Ruby on Rails, TypeScript, React — Full Stack with backend focus The Company: A dynamic sustainability startup focused on environmentally-conscious solutions. Growing rapidly with a loyal customer base, they are leading in impactful … tech innovations. The Role: Lead platform development alongside the CTO Write high-quality, complex code Mentor junior team members Work on AI-based solutions Utilize Ruby on Rails, TypeScript, React Familiarity with LLMs is a plus This role is available for quick onboarding. Apply now if interested. #J-18808-Ljbffr More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
ideal candidate will have strong commercial experience and proficiency with GoLang, enabling you to focus primarily on implementation, and will be familiar with front-end technologies including React and Typescript and Cloud Platforms such as Google Cloud Platform. Responsibilities: Developing and maintaining applications in GoLang in a cloud-based environment Delivering high-quality code within clearly defined specifications Discover More ❯