23 of 23 Remote/Hybrid JavaScript Jobs in Hertfordshire

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: Senior: 6+ years of software engineering experience Principal: 10+ years ...

Senior Frontend Web Developer (React &

Hiring Organisation
Narwhal Media Group (NMG)
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
complex frontend issues across browsers and devices. Qualifications 5+ years professional experience in frontend development with strong expertise in React and Next.js. Proficiency in JavaScript, TypeScript, HTML, CSS, and related tooling. Experience with state management (Redux, Zustand, Recoil, or similar). Strong understanding of responsive design, accessibility, and UI/ ...

Principal Software Engineer

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
passionate about building systems that last. You'll bring: Expert-level experience with C#, .NET and object-oriented design Strong front-end knowledge using JavaScript/TypeScript and React Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure Proven leadership in DevOps, CI/CD pipelines ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. - You love balancing delivery speed with ...

Senior Web Developer

Hiring Organisation
First Recruitment Group
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
culture on cyber security awareness. Candidate Qualifications Technical Skills and Experiences As the Senior Web Developer, you will provide deep knowledge of the following Javascript/JQuery Java/Groovy Any Grails experience will be of benefit. HTML and CSS Working experience of the following MS SQL Server databases, including ...

Full Stack Engineer (Angular +

Hiring Organisation
MYT Shutters
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
long-term reliability What We're Looking ForRequired: · 2+ years software development experience · Commercial experience with Angular (v10+) · Strong proficiency in TypeScript and JavaScript · Familiar with RxJS and reactive programming concepts · Experience working with APIs (REST or GraphQL) · Some Node.js back-end experience (or willingness to grow in that area ...

Principal Software Engineer

Hiring Organisation
OpenSolar
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
technology skills, including substantial leadership and architecture responsibilities. Core Technology skills required – Strong full stack software engineering skills. Desirable technology skills: Python, Django, React, JavaScript, MySQL, SPAs, AWS (Lambda, CloudFormation, RDS). Best practice software development skills and practices. Excellent communication skills with an open, collaborative approach. A passion ...

Full Stack Engineer

Hiring Organisation
Morson Edge
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
team grows Skills 4+ years commercial software development experience 2–3+ years experience with React.js 2–3+ years experience with Node.js and modern JavaScript (ES6+) Experience with relational databases such as Postgres Familiarity with Git and CI/CD workflows Strong collaboration and communication skills Agile development experience Writing clean ...

Cloud Integration Engineer - Security Clearance - Hybrid

Hiring Organisation
Akkodis
Location
Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £700,000 per annum
both AWS and Azure Solid experience with API design and management , including REST , SOAP , and event-driven architectures Hands-on development experience using Python , JavaScript, and/or ETL/data transformation tools Experience integrating with enterprise SaaS platforms such as Salesforce , ServiceNow , SAP , or Pega Strong communication skills, able ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Minimum 3+ years of commercial experience with Magento 2, specifically with a backend focus. Tech Stack: Strong proficiency in PHP, MySQL, HTML/CSS, JavaScript, and Git. AI-Augmented Workflow: You are comfortable working with AI-native IDEs (e.g. Google Antigravity, Cursor, Windsurf) to speed up debugging and code generation. ...

Director of Development

Hiring Organisation
Digital Silk - Growing Brands Online
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
leadership roles Proven experience leading development teams and senior engineers within a digital agency or professional services environment Strong hands-on experience with PHP, JavaScript, HTML, and CSS Proven experience delivering complex custom websites, platforms, integrations, and ecommerce solutions Deep practical experience with WordPress, and working knowledge of Shopify ...

E-Learning Content Developer

Hiring Organisation
MBDA
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£37,500 - £42,500 per annum
calm professional manner, even when things are changed at the last minute. w. We are looking for prior experience of: programming in HTML5, Javascript, CAD tools (CREO and SolidWorks). Knowledge of multimedia authoring tools (Storyline, 3DSMax, Flash PhotoShop and Da Vinci Resolve amongst others and using them to create ...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Rate £550-650pd, 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 ...

Web Developer

Hiring Organisation
John Fowler Holidays Ltd
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
along with bespoke management tools and reporting suites. Essential Requirements: Knowledge and understanding of PHP Knowledge and understanding of MySQL Knowledge and understanding of JavaScript Desirable Requirements: Experience of using frameworks including Laravel, Livewire, Tailwind, React and Inertia Experience in working with APIs - SOAP & REST Working with vision control systems ...

.NET Developer

Hiring Organisation
Noir
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
.NET Developer, .NET 10.0, C# 14 - Consultancy - Stevenage (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative … Knowledge of software development methodologies is of interest (Agile, Scrum). My 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 ...

Full Stack Engineer C# .Net Core JavaScript

Hiring Organisation
Client Server
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Full Stack Engineer/Developer (C# .Net Core JavaScript AWS) St Albans/WFH to £100k Opportunity to progress your career in a hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard … station, with the flexibility to work from home twice a week. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals such ...

.NET Developer

Hiring Organisation
Noir
Location
Bishop's Stortford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £65,000 per annum
.NET Developer, .NET 10.0 - Social Networking Site - Bishop's Stortford (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site … dedicated technical training per year and exposure to cutting edge technologies such as: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: Bishop's Stortford, Hertfordshire ...

.NET Developer - St Albans

Hiring Organisation
Noir
Location
St. Albans, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £105,000 per annum
.NET Developer - Fastest Growing Social Media Firm - St Albans, Hertfordshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover, view … object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Bootstrap and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere ...

.NET Developer

Hiring Organisation
Noir
Location
Hatfield, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
.NET Developer, .NET 10.0, C# 14 - Digital Download Site - Hatfield (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become … .NET Core, C# and Azure SQL. You will be trained in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within ...

.NET Developer

Hiring Organisation
Noir
Location
Childwickbury, St. Albans, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £75,000 per annum
.NET Developer - Harpenden (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) After 15 years' experience in the fashion industry, our client has a mission to change the way people … excellent experience of: .NET, .NET Core, C# and Azure SQL. There are opportunities for training into technologies such as: .NET 10.0, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Solid, DRY, LINQ and MongoDB. Their benefits include the following: Bonus (10-15%). Share ...

Junior/Mid QA Analyst | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel ...

Principal Frontend Engineer

Hiring Organisation
Morson Edge
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
their skillsets, fostering a culture of continuous learning and improvement. You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React. Experience in full stack development using Node.js or Go would be a nice to have alongside a strong understanding of automated testing … practices. Bonus skills 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 ...

Full Stack Developer - AI & Automation (UK Remote)

Hiring Organisation
Stanley House Consulting
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
across products. Develop sophisticated CRM functionality. Create robust automation tools to transform workflows. Tech Stack You'll Work With Frontend: Next.js (App Router), React, JavaScript, TypeScript, Chakra UI, TailwindCSS, shadcn/ui Backend: Supabase (PostgreSQL, Auth, RLS, Storage) AI/ML: OpenAI, Anthropic Claude, LangChain, Vector Databases Deployment: Vercel … Must-Have Skills Core Languages: TypeScript, JavaScript, Python Databases: MySQL, PostgreSQL, JSON Frameworks: Next.js & React, incl. App Router (Server/Client Components, Server Actions) Proficiency in Supabase (database design, RLS, auth flows) Third-party API App Integration (incl. OpenAI, AI/LLM APIs) AI/ML: RAG implementation (Vector Databases ...