1 to 25 of 29 JavaScript Jobs in Hertfordshire

Web Developer

Hiring Organisation
Provide
Location
Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
least once per week. Required Experience Commercial experience in two or more of the following areas: React and modern front-end development TypeScript/JavaScript GraphQL and/or RESTful APIs C# SQL/PostgreSQL Multi-user server-side applications A proactive approach to code reviews , collaboration, and continuous improvement. ...

Full Stack Developer

Hiring Organisation
Metaskil Limited
Location
Hatfield, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
logic as well as NodeJS frameworks including ReactJS, NextJS, NestJS etc. You will have commercial experience in Frontend Web development technologies, including HTML, CSS & JavaScript/Typescript as well in using Git or related technologies. Ideally you will have TDD or BDD development experience as well as an understanding ...

Senior Java Developer

Hiring Organisation
Pontoon
Location
Welwyn Garden City, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
What We're Looking For: To succeed in this role, you should have: Solid experience in delivering Java or other JVM languages; familiarity with JavaScript/TypeScript. Experience with cloud platforms (Azure, AWS) and infrastructure automation (Terraform). A good understanding of SQL (PostgreSQL) and NoSQL databases (e.g., Cosmos ...

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 ...

DevOps Developer

Hiring Organisation
Metaskil Limited
Location
Hatfield, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
logic as well as NodeJS frameworks including ReactJS, NextJS, NestJS etc. You will have commercial experience in Frontend Web development technologies, including HTML, CSS & JavaScript/Typescript as well in using Git or related technologies. Ideally you will have TDD or BDD development experience as well as an understanding ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
impact. What You'll Bring Proven experience leading distributed engineering teams, including offshore and nearshore models Strong hands-on background with .NET, Python, and JavaScript/TypeScript Deep experience with cloud infrastructure (Microsoft Azure, AWS, Cloudflare) Strong understanding of Agile and Scrum in distributed environments Experience with AI-assisted development ...

Full Stack Developer (React / Next.js / AWS)

Hiring Organisation
Avanti
Location
St. Albans, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
data platforms. What You’ll Need • 3+ years of hands-on development experience. • Strong skills in React and Next.js. • Solid understanding of TypeScript and JavaScript (ES6+). • Familiarity with Node.js, API integrations, and AWS environments. • Experience building and deploying production applications using CI/CD pipelines. • Self-motivated, proactive ...

Full Stack Engineer

Hiring Organisation
OpenSolar
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
team environment. What you'll need: Core Technology skills required – Strong full stack software engineering skills. Desirable technology skills: Python, Django, React, JavaScript, MySQL, SPAs, AWS (Lambda, CloudFormation, RDS). 5+ years of relevant experience in the core technology skills Best practice software development skills and practices. Excellent communication skills ...

Senior Full Stack Engineer

Hiring Organisation
Accelerant
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
taking the time to ship high-quality code. What you bring to the table: Experience building and scaling web applications. Strong understanding of modern JavaScript frameworks. Strong coding ability. Passionate problem-solving mindset. Reputation for getting things done. Strong sense of ownership. Desire to learn and grow. Desired qualifications: Experience ...

AWS/Azure Integration Engineer Security Clearance

Hiring Organisation
Akkodis
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 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 ...

React Native Developer

Hiring Organisation
Asseticom
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
write and be able to understand fluent English. Deep knowledge and regular usage of Firebase suite, especially Firestore. Strong proficiency in TypeScript and modern JavaScript (ES6+). Familiarity with Expo, React Navigation, Reanimated and Vision Camera. Understanding of mobile app development best practices, including release automation and performance optimisation. ...

Forward Deployed Engineer

Hiring Organisation
Immersum
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We're looking for talented engineers to join our customer-facing AI practice, from Senior ...

Senior ServiceNow Developer

Hiring Organisation
Arden Resourcing Limited
Location
Hatfield, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
analysis of problems and possible solutions You will have: 5 years’ experience developing the ServiceNow platform Experience with common web and platform technologies (XML, JavaScript, JSON, HTML, CSS etc) ServiceNow Certified System Administrator accreditation required, and having CIS-CSM/CIS-ITSM, ITIL v4 Foundation would be advantageous ...

Senior Presales Engineer

Hiring Organisation
Grass Valley
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Working knowledge of Linux operating systems. Solid understanding of Microsoft workstation and server environments. Good knowledge of LAN/WAN networking principles. Experience with JavaScript and HTML is desirable. Exposure to alternative operating systems is an advantage. Familiarity with commonly used broadcast equipment such as video and audio routers, VTRs ...

Staff Engineer (Oracle MOM)

Hiring Organisation
TJX UK
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
drive efficient design and development processes Demonstrated hands-on success; in programming using: Java, Pro C and PL/SQL in scripting languages using: JavaScript and shell script in database query language such as: Oracle - performance, EXA, etc. 9 + years of experience as an Engineer in a Retail domain ...

ServiceNow Technical Delivery Consultant

Hiring Organisation
COMPUTACENTER (UK) LIMITED
Location
Hatfield, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
admin on medium to large scale ServiceNow platforms with excellent communication skills. Minimum 3 years of experience with common web and platform technologies (XML, JavaScript, JSON, HTML, CSS, etc). Extensive experience in IT Service Management, with a focus on incident management. Experience of working in a SaaS environment. Ability ...

.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 ...

C# Developer Full Stack .Net Core JavaScript

Hiring Organisation
Client Server
Location
St Albans, England, United Kingdom
C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports … work from home twice a week in a hybrid model. 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 as OOP, Design ...

.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 ...

Senior and Lead Software Engineers

Hiring Organisation
Thor Companies
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior/Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy … building high-quality software end-to-end and influencing technical direction (without people management). Tech Stack Frontend: React (JavaScript) Backend: Node.js (JavaScript) Cloud: AWS (Lambda, DynamoDB, CloudWatch) Architecture: Microservices + REST APIs Bonus: AG Grid/data-heavy UI experience What you'll be doing Owning features ...

Trainee Coding & Programmer Placement Programme

Hiring Organisation
ITOL Recruit
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£26000 - £35000/annum
selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Watford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give … friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...