26 to 50 of 115 React Jobs in South Yorkshire

include browser optimisation, compiler technology or UX design which will be highly regarded. Skills 7+ years software engineering experience Expert in JavaScript, TypeScript and React Strong understanding of automated testing and QA Ability to translate complex ideas into high-quality, shippable products Mentoring and team leadership skills Collaboration with cross ...

between Postgres, Redshift, and analytics layers. Design APIs for frontend and external integrations. Balance speed and quality — building for the long term. The stack React • TypeScript • Node.js • Postgres • AWS • Redshift • DBT • Power BI • Jupiter Notebook You'll bring 8+ years of backend engineering experience in complex systems. Experience with data ...

between Postgres, Redshift, and analytics layers. Design APIs for frontend and external integrations. Balance speed and quality — building for the long term. The stack React • TypeScript • Node.js • Postgres • AWS • Redshift • DBT • Power BI • Jupiter Notebook You'll bring 8+ years of backend engineering experience in complex systems. Experience with data ...

professional full-stack development experience with AI/ML systems Strong engineering skills across frontend and backend technologies Proficiency with modern frontend frameworks (React, Vue, Angular) and TypeScript Backend experience with Python, including API design (REST) Hands-on experience deploying LLMs, transformers, or other neural networks Proven experience with prompt ...

professional full-stack development experience with AI/ML systems Strong engineering skills across frontend and backend technologies Proficiency with modern frontend frameworks (React, Vue, Angular) and TypeScript Backend experience with Python, including API design (REST) Hands-on experience deploying LLMs, transformers, or other neural networks Proven experience with prompt ...

development across AI-first products Turning ML capabilities (Python, TensorFlow, PyTorch) into real customer value Working closely with engineering teams using TypeScript, Node.js, React, and Next.js Partnering with data teams working across AWS, Kafka, Spark, and modern data pipelines Shaping products built on secure, scalable fintech architecture (Event-driven, microservices ...

scale, ideally threat intel/offensive security, in B2B SaaS start-ups or high-growth scale-ups • Strong technical grounding across Node.js, Typescript, React, MySQL and cloud-native architectures (AWS, ECS/K8s, Kafka, Airflow) • Comfortable driving Agile and DevOps culture, and setting high standards for clean, testable, secure code ...

scale, ideally threat intel/offensive security, in B2B SaaS start-ups or high-growth scale-ups • Strong technical grounding across Node.js, Typescript, React, MySQL and cloud-native architectures (AWS, ECS/K8s, Kafka, Airflow) • Comfortable driving Agile and DevOps culture, and setting high standards for clean, testable, secure code ...

analytical, data-driven and inquisitive, constantly seeking insights and opportunities for improvement. Solid grasp of modern cloud infrastructure and our stack: MS Azure, .NET, React, Angular, Micro-services and Service-bus. Proven technical expertise in intricate, highly available and distributed systems, preferably within travel tech or regulated industries. Exceptional communication ...

analytical, data-driven and inquisitive, constantly seeking insights and opportunities for improvement. Solid grasp of modern cloud infrastructure and our stack: MS Azure, .NET, React, Angular, Micro-services and Service-bus. Proven technical expertise in intricate, highly available and distributed systems, preferably within travel tech or regulated industries. Exceptional communication ...

The Vacancy Are you a Senior Software Developer looking to make a real impact in healthcare technology? Do you want to work on meaningful products that support medical professionals and trainees across the UK? If ...

Senior Engineers as well as having the support of the Head of Engineering and CTO. You will need: 💪 building with PHP, Laravel, React, TypeScript, AWS 💪 experience with procedural programming principals What's in it for you: 📍 £60k- £70k base salary 📍 Once a week in the office (Sheffield) 📍 Flexible working hours ...

using LLMs, RAG and agentic workflows GraphRAG/Knowledge Graph expertise - deep knowledge with Knowledge Graphs and vector databases Strong technical fluency - TypeScript/React, Langgraph/Langchain, neo4j, Docker, AWS (SageMaker, Bedrock, Hugging face), to name a few So What's Next? If you are an experienced AI Software ...

Establish best practices, testing standards, and robust CI/CD workflows About You: 4+ years in front-end development, including team leadership Expert in React and TypeScript, with strong state management skills Experience with high-performance, data-intensive UI and geospatial visualization Proven ability to drive architectural change and implement ...

Establish best practices, testing standards, and robust CI/CD workflows About You: 4+ years in front-end development, including team leadership Expert in React and TypeScript, with strong state management skills Experience with high-performance, data-intensive UI and geospatial visualization Proven ability to drive architectural change and implement ...

architecting and maintaining distributed backend systems. Strong understanding of integration patterns, API design, and scalable service architecture. Nice To Have Node.js, PHP, MongoDB, Kafka, React (for back office apps) Contract Details 6-month contract — extension highly likely due to roadmap depth Outside IR35 Fully remote within Europe Apply ...

architecting and maintaining distributed backend systems. Strong understanding of integration patterns, API design, and scalable service architecture. Nice To Have Node.js, PHP, MongoDB, Kafka, React (for back office apps) Contract Details 6-month contract — extension highly likely due to roadmap depth Outside IR35 Fully remote within Europe Apply ...

what is required to take the next step up. To be considered: Strong experience in PHP Development Experience with JavaScript/Vue/React Demonstrable experience with relevant MVC frameworks (Preferably Laravel) Experience working to SOLID principles Experience with Docker would also be a benefit Any knowledge ...

what is required to take the next step up. To be considered: Strong experience in PHP Development Experience with JavaScript/Vue/React Demonstrable experience with relevant MVC frameworks (Preferably Laravel) Experience working to SOLID principles Experience with Docker would also be a benefit Any knowledge ...

Self-starter: confident, enthusiastic, and collaborative, thriving in a fast-paced agile environment TECH STACK Backend: PHP (CodeIgniter 3/Slim 4), MySQL Frontend: React.js, JavaScript/TypeScript, HTML, CSS Tooling: GitLab, Docker, CI/CD Pipelines Infrastructure (desirable): Terraform, Ansible, or other Infrastructure-as-Code tools Mobile (desirable): React … development as cross-platform capabilities expand Troubleshoot and resolve performance and scalability issues REQUIREMENTS Experience with PHP, particularly CodeIgniter and Slim Strong skills in React.js and JavaScript/TypeScript Solid understanding of MySQL and database optimisation Competence in HTML and CSS for responsive UI Familiarity with GitLab and Docker Exposure ...

Self-starter: confident, enthusiastic, and collaborative, thriving in a fast-paced agile environment TECH STACK Backend: PHP (CodeIgniter 3/Slim 4), MySQL Frontend: React.js, JavaScript/TypeScript, HTML, CSS Tooling: GitLab, Docker, CI/CD Pipelines Infrastructure (desirable): Terraform, Ansible, or other Infrastructure-as-Code tools Mobile (desirable): React … development as cross-platform capabilities expand Troubleshoot and resolve performance and scalability issues REQUIREMENTS Experience with PHP, particularly CodeIgniter and Slim Strong skills in React.js and JavaScript/TypeScript Solid understanding of MySQL and database optimisation Competence in HTML and CSS for responsive UI Familiarity with GitLab and Docker Exposure ...

help drive our technical evolution. We're in the midst of an exciting transformation, completely rebuilding our experience from the ground up using React, Next.js, TypeScript, and Node.js. Alongside this, we're embracing cutting-edge cloud architecture on AWS, building scalable solutions with serverless technologies and microservices. Fancy working … part of our international expansion, working with autonomous, product-centric teams who are passionate about what they do. You’ll use our tech stack.. React + Next.js + TypeScript for our frontend code Node.js + TypeScript for our backend code AWS Lambda for serverless computing S3 for scalable storage ...

within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/UI principles). ● Expertise in SQL and designing/optimising relational database schemas. ● We seek deep … following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud Platforms (Azure, AWS), Git. ● Advanced Topics: AI/LLM (Large Language Models), Small ...

within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/UI principles). ● Expertise in SQL and designing/optimising relational database schemas. ● We seek deep … following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud Platforms (Azure, AWS), Git. ● Advanced Topics: AI/LLM (Large Language Models), Small ...

Outside IR35 | 12-months Contract Length Senior-level backend experience with Python and Django in production systems Proven work with JavaScript and React (production experience strongly preferred) Familiarity with MySQL Databases and scale Strong grasp of APIs, cloud-native systems, and scalable architecture Freelance mindset: able to hit the ground ...