1 to 25 of 30 Node.js Jobs in Hertfordshire

Remote Senior JS Developer with Devops Experience

Location
Bishop's Stortford, Hertfordshire, United Kingdom
development in production environments not tutorials, not side projects, not bootcamp exercises. Expert-level understanding of asynchronous programming, event loops, streams, and the Node.js runtime. Deep experience with TypeScript in production codebases. Proven experience with SQL and NoSQL databases, query optimization, data modeling, and understanding the performance implications of schema ...

Fullstack Software Developer - Remote

Location
St Albans, Hertfordshire, United Kingdom
tech, ready to support many more young people worldwide in 2027, with plenty of interesting problems still to solve together. Designing and building RESTful Node APIs, React frontends and/or React Native mobile apps. Regularly releasing working software, using trunk-based development, automated test suites, and infrastructure-as-code ...

Python Developer

Hiring Organisation
Addition
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
strong understanding of networking and web technologies, including TCP/IP, HTTP, HTTPS, RESTful APIs, certificates and encryption. • Some web development experience using Node.js, Java or an equivalent modern technology. • Experience using Jira and Confluence for project management and collaboration. • A basic understanding of Microsoft Azure services. • Strong analytical ...

Remote Full Stack Engineer - Cloud & SaaS Integrations

Location
Hemel Hempstead, Hertfordshire, United Kingdom
production Strong TypeScript , including modern frontend work - React preferred Hands-on experience with Go , or strong backend experience in another language (Python, Java, Node.js, C#) with genuine enthusiasm for ramping up in Go quickly Real experience designing and consuming REST APIs , and integrating third-party APIs with all the mess ...

Developer - Python

Location
Watford, England, United Kingdom
technologies, including the TCP/IP stack, HTTP, HTTPS, RESTful APIs, certificates & encryption. Have some web development experience using modern technologies, preferably NodeJS, Java or equivalent. Experience using JIRA and Confluence for project management and collaboration. Have a basic understanding of Azure services. Be an excellent communicator, able to collaborate ...

Remote Mid-level Full Stack Shopify Developer

Hiring Organisation
Swanky Spa
Location
Bishop's Stortford, Hertfordshire, UK
Employment Type
Full-time
Shopify APIs. Skilled in HTML, CSS, JavaScript (ES6+), and TypeScript. Experience with React (Remix/Next.js). Experience with backend languages/frameworks (preferably Node.js or Ruby). Strong understanding of RESTful/GraphQL APIs and cloud-based/serverless architectures. Proficient in Git and version control workflows within multi ...

Remote Software Engineer (Cloud & Integration)

Location
Borehamwood, Hertfordshire, United Kingdom
working in a DevOps environment, utilizing infrastructure as code (IaC), automation, and CI/CD pipelines. Proficiency in writing and debugging code using TypeScript (Node.js) and Python. Experience with monitoring, logging, and observability tools such as Grafana, Prometheus, and AWS CloudWatch. Proficiency with Infrastructure as Code (IaC) tools, particularly ...

Lead Engineer NEW Posted today Hemel Hempstead Haven Haven

Location
Hemel Hempstead, England, United Kingdom
appropriate human validation, and common limitations Excellent working knowledge of one of C#, Dart, or TypeScript, paired with one of .Net, Flutter, React, or Node.js Strong grounding in software design principles (SOLID, Clean Code), TDD, and other testing practices Excellent solution architecture skills across discovery, domain modelling, tool selection, systems ...

Lead Engineer

Location
Hemel Hempstead, England, United Kingdom
appropriate human validation, and common limitations* Excellent working knowledge of one of C#, Dart, or TypeScript, paired with one of .Net, Flutter, React, or Node.js* Strong grounding in software design principles (SOLID, Clean Code), TDD, and other testing practices* Excellent solution architecture skills across discovery, domain modelling, tool selection, systems ...

Remote Lead Developer

Hiring Organisation
Person Centred Software
Location
Hertfordshire, United Kingdom
documentation Support and mentor junior developers Build secure and monitorable solutions using modern best practices What You’ll Bring: Proven experience with Vue 3, Node.js, Google Cloud, Firebase, TypeScript, MongoDB Strong architecture and system design skills Full-stack development experience across frontend and backend Solid understanding of Agile development practices ...

.NET Developer

Hiring Organisation
Noir
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
client will provide training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, MongoDB, Azure, AWS, Node.js and Elasticsearch. This is a truly exciting project, one which if you are given the opportunity to work on will do wonders for your ...

Site Reliability Engineer NEW Posted today Hemel Hempstead Haven Haven

Location
Hemel Hempstead, England, United Kingdom
ideally Git Actions) Hands-on experience with Infrastructure as Code, ideally Terraform Experience with containerisation using Docker, and orchestration with Kubernetes Working knowledge of NodeJS and TypeScript Understanding of observability and monitoring, incident management, disaster recovery and security practice Solid grounding in cloud and network security principles and technologies ...

Platform Engineer: AI-Driven Cloud and Tooling Advocate

Location
St Albans, England, United Kingdom
applications. We work with AWS, Linux, Kubernetes, Kafka, Redis, HAProxy, Consul, Grafana and OpenSearch, plus Terraform and more. Our stack includes C#/.NET, Node.js and Python, with Azure DevOps Pipelines and ArgoCD. #J-18808-Ljbffr ...

Technical Support Engineer - Remote H/F

Location
Bishop's Stortford, Hertfordshire, United Kingdom
server versions specifically) Strong asset: proficiency in Docker and deployment on the docker Strong technical skills, including proficiency in Django, Flask, PyTorch, JavaScript (React, Node.js), and Go, with hands-on experience in full-stack development. Proficiency in deploying and managing AI/ML models as services or APIs, along with ...

.NET Developer

Hiring Organisation
Noir
Location
Hemel Hempstead, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £75,000 per annum
latest technologies including: .NET 10.0, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Node.js, Elasticsearch and MongoDB. All positions come with the following benefits: Annual bonus. Free medical, dental and vision coverage. Flexible work hours. £5,000 training allowance. ...

Remote Full Stack Engineer

Location
Hoddesdon, Hertfordshire, United Kingdom
languages such as JavaScript, Python, and Java Experience with front-end frameworks like React or Angular as well as backend Javascript frameworks such as NodeJS, ExpressJS, or NestJS. Knowledge of database systems and SQL queries Join Neoflow, a leading company in fintech. Apply now for the Full Stack Engineer position ...

C# Software Engineer

Location
Stevenage, England, United Kingdom
technical detail Knowledge of using Microsoft Windows and Linux operating systems Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles ...

Digital Solutions Architect

Location
Hatfield, England, United Kingdom
paid on demand!Access to our Benefits Suite.About you:Solution architecture and digital transformation experience in complex environmentsCloud, DevOps, microservices (Java/NodeJS) and Infrastructure as Code (e.g. Terraform) experienceExperience managing multiple stakeholders and prioritising competing demandsStrong communication skills, able to simplify complex technical conceptsCommercially aware with the ability ...

Software Engineer ( C# / C++ )

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£65 per hour, Benefits Overtime Rate
Knowledge of using Microsoft Windows and Linux operating systems Non-essential: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles ...

Remote Senior AI Software Engineer

Hiring Organisation
Aveni
Location
Hertfordshire, United Kingdom
e.g., LangGraph, Langfuse). Design evaluation, monitoring, and observability to ensure reliability and readiness for production. Develop scalable, event-driven microservices and APIs using Node.js and TypeScript. Build modern, responsive React frontends to make AI useful in customer workflows. Architect cloud-native systems on AWS (Lambda, ECS/Fargate … Looking For Essential Experience Extensive software engineering background, building, deploying, and running production LLM/AI applications. Strong hands-on experience with Node.js, TypeScript, and production React. Experience with prompt engineering, agentic workflows, RAG, and LLM integration. Knowledge of AI evaluation frameworks, monitoring, and observability. Deep understanding of AWS, cloud ...

Software Engineer

Location
St Albans, England, United Kingdom
using a modern TypeScript stack thatenablesour growth strategy. What You’ll Do Design, build and deploy full-stack web applications using React, TypeScript and Node.js Own multiple projects simultaneously, frominitialrequirements through to production deployment Work directly with advisers and operations teams to understand needs and deliver solutions Build responsive, intuitive … sense of whatyou’llbe working with day to day. Core stack TypeScript React 18: hooks,TanStackQuery, React Router, react-hook-form, Tailwind, Radix UI Node.js with Express, Prisma ORM, Zod validation at boundaries PostgreSQL and Redis (BullMQfor background jobs) Testing withVitest, Testing Library and Playwright Platform knowledge (not essential) Docker ...

Software Engineer

Hiring Organisation
Morgan McKinley
Location
St. Albans, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
platform, they are looking for a backend-centric engineer to build and scale the systems powering their core financial services. If you enjoy clean Node.js architecture, robust relational database design, and working in an environment where a proactive, "take the wheel" mindset is genuinely rewarded, this is a fantastic opportunity. … Looking For Essential: * 3+ years commercial experience building production web applications using TypeScript and React, with a clear bias toward backend development. * Node.js Proficiency: Strong background in backend architecture, API development, and system logic. * Solid SQL Skills: Hands-on experience working with relational databases and query optimization. Desirable: * Background ...

Platform Engineer

Location
St Albans, England, United Kingdom
Redis/Valkey, HAProxy, Consul, Grafana, OpenSearch, Terraform and more. We also use a wide range of development tools/languages — C#/.NET, Node.js, Python, Azure DevOps Pipelines, ArgoCD About You Required Experience in a software engineering role (ideally C#/.NET, but also Python, Node.js, Powershell or Bash ...

Remote Sr. Software Engineer, Fullstack (UK)

Location
Hertford, Hertfordshire, United Kingdom
As the world s first intelligent communication platform, Firstup meaningfully engages employees at every moment from hire to retire, and delivers engagement insights to help companies support, promote and retain their talent. Now we need ...

Senior Software Engineer - Full Stack (Remote)

Location
Harpenden, Hertfordshire, United Kingdom
microservices in production environments. Proven full stack fluency - you're comfortable across frontend, backend, and the database layer. Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least one engineering domain … systems, multi-tenant SaaS, application databases, networking, security, serverless, event streaming, or similar. Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. We offer an excellent PTO program, great health benefits, a casual and friendly environment, remote work, and a leadership ...