1 to 25 of 31 Permanent JavaScript Jobs in Hertfordshire

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. ...

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 ...

/AEM HTL (HTML Template Library) Experience integrating React with AEM Sling Models Working within enterprise CMS-driven architectures Core Technical Skills HTML5, CSS3, JavaScript (ES6+) React.js & TypeScript State management (Redux/Zustand) API integration (REST/GraphQL) Version control using Git Front-end testing (Jest, Cypress, etc.) Strong debugging ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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. ...

Dynamics 365 Customer Engagement (Sales, Service) and the Power Platform (Power Apps, Power Automate, Dataverse). Development Tools: Strong knowledge of C#/.NET, JavaScript/TypeScript, and the Web API. PCF Controls: Deep experience building and implementing PCF (Power Apps Component Framework) controls. Proficiency with AG Grid, Kendo ...

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 ...

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 ...

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 ...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join … highest standards of code quality in alignment with company-wide conventions. Required skills: · Minimum of 4 years of hands-on experience with Javascript working mainly on Frontend solutions · Solid grasp of JavaScript(Vanilla Javascript) fundamentals, including understanding of the Document Object Model (DOM) and browser Application Programming Interfaces (APIs). ...

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, .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 ...

observability Tech Stack & Environment Frontend: Svelte (primary), with openness to React or Angular experience Strong focus on web components and reusable design systems Modern JavaScript/TypeScript Backend: Node.js or Python (microservices-based) API-driven architecture Infrastructure & Cloud: Kubernetes AWS Containerized, cloud-native deployments Data: SQL databases What … Looking For Strong experience as a senior or lead fullstack engineer in modern web environments Deep knowledge of JavaScript and frontend architecture Experience with Svelte, React, or Angular (Svelte experience is a plus, not a requirement) Backend experience with Node.js and/or Python Solid understanding of microservices architecture Hands ...

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, .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 - 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, .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 - 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 ...

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 ...

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 ...