25 of 25 JavaScript Jobs in Watford

Senior Frontend Engineer

Hiring Organisation
Civica
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
with front-end trends and suggesting improvements Supporting and mentoring junior engineers What you'll need Essential Strong experience with React (hooks), Zustand, TypeScript, JavaScript Solid knowledge of HTML and CSS Familiarity with testing tools such as Vitest, Playwright, or equivalent Strong analytical and debugging ability Effective communicator, able ...

Senior Software Engineer

Hiring Organisation
Ripjar
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
curious, adaptable, and ready to grow, we want to hear from you. Ideally, you'll bring experience with some of the following: JavaScript/TypeScript (Node.js, React) or Python Distributed systems and event streaming (Kafka, Kubernetes) Databases and search indexes (MongoDB, Redis, Elasticsearch) Modern DevOps practices and CI/ ...

AI Engineering Lead

Hiring Organisation
Akixi
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

Software Development Engineer II - Full Stack (UI Focussed)

Hiring Organisation
Tesco Technology
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
develop robust, scalable and efficient UI applications to optimise warehouse operations and drive operational success. UI Development: Build rich, responsive user interfaces using modern JavaScript frameworks (e.g., React). Feature Delivery: Implement and ship end-to-end stories, primarily focused on frontend with some backend integration. Technical Contribution: Take ownership ...

Lead Software Engineer

Hiring Organisation
Kainos
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
will also interact with customers, share knowledge and mentor those around you. Minimum (essential) Requirements Experience with following tech stack - AWS, Node (or any Javascript frameworks), Typescript, Terraform, AWS CDK Expertise in designing, building, testing and maintaining modern software applications Technical leadership of teams building and testing modern, scalable, secure ...

Senior Software Engineer (OutSystems and .NET)

Hiring Organisation
ITRAC
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
modularization, performance optimization, and scalable design principles. Professional Traditional Web Developer Certification (mandatory). Associate Developer (ODC) Certification (mandatory). Scripting languages such as JavaScript, TypeScript or NodeJS Strong .NET Core (C#) skills (including Entity Framework and MVC and WebAPI, .NET 8 or later Additional Technical Experience: RESTful API design ...

Backend Developer (Kotlin/Java, Android APIs)

Hiring Organisation
DataAnnotation
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Fluency in English (native or bilingual level). Preferred experience in Kotlin. Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and grammar skills. A bachelor's degree (completed or in progress). Previous ...

Mid-Senior Shopify Developer

Hiring Organisation
Central Employment
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
focus on development, integrations and technical excellence. Requirements Proven experience as a Shopify Developer, ideally agency-side Strong skills in HTML, CSS, JavaScript and Liquid Experience with third-party integrations and APIs Understanding of replatforming and migration best practices Awareness of technical SEO principles (full SEO support in-house) Strong ...

Senior Salesforce Developer

Hiring Organisation
Langham Recruitment
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
integrations. Experience with MuleSoft and integration best practices. Familiarity with Agile delivery and tools (Jira, CI/CD). Web development skills (HTML, CSS, JavaScript). Excellent communication and stakeholder management. Ability to mentor junior team members. Preferred Certifications Salesforce App Builder or Administrator. Salesforce Platform Developer I & II. Salesforce ...

Salesforce Developer

Hiring Organisation
NTT DATA
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Processes (fka Integration Procedures) OmniScripts Skills in Apex (triggers, batch, web services) Integration Experience is beneficial (Mulesoft/APIGEE/Connected Apps) Experience of JavaScript/Lightning components Basic understanding of Apex sharing and security model Experienced with Lightning Web Components Skills in analysing and problem-solving issues Experience ...

Technical Lead

Hiring Organisation
DGH Recruitment
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
expert who can lead an experienced team, mentor juniors, and archive complexed challenges with scalable architecture and influence technical and strategic decisions. Required Skills: JavaScript/Nodejs/TypeScript DynamoDB Lambda EventBridge, CloudWatch, API Gateway, SQS, SNS RDBMS (Postgres and MySQL ideally) Git, ci/cd pipelines Cloudformation ...

Documentation Specialist | $125/hr Remote | Mercor

Hiring Organisation
Crossing Hurdles
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
testing, or software documentation. Background as a Senior or Staff Engineer, QA Engineer, or Technical Writer preferred. Proficiency in Python; familiarity with additional languages (JavaScript, TypeScript, Java, C++, Go, Ruby, Rust, Bash) is a plus. Understanding of Git workflows, testing frameworks, and debugging tools. Exceptional analytical and written communication skills. ...

Backend Engineer, Node.js/TypeScript | EMEA

Hiring Organisation
Deel
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
quality engineering and attentive, customer-focused development. What you'll bring to the Team: Expertise in Backend Development: Strong proficiency in Node.js, TypeScript/JavaScript best practices, along with experience in at least one other server-side language. Database Mastery: You're a SQL guru, particularly with PostgreSQL, handling query ...

Senior Software Engineer - Desktop

Hiring Organisation
Anaconda, Inc
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
shipping iteratively and learning from real-world usage Mentor and collaborate with other engineers on the team, sharing expertise in desktop development and modern JavaScript tooling Contribute to cross-functional initiatives with partner teams, strengthening integrations and expanding what's possible in the desktop and artifact ecosystem Your Impact Will … professional software development experience. Production experience in shipping Electron-based desktop applications for Windows, macOS, and Linux Proficiency in React, TypeScript, and modern JavaScript; experience with CSS/SASS, component libraries (e.g., KendoReact) Strong knowledge of Node.js, Express, and persistent storage tools (e.g., electron-store); solid Python experience for service ...

Servicenow Developer

Hiring Organisation
ACL Digital
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
module Servicenow Certified Application Developer Strong understanding of ITSM and general ServiceNow architecture Solid grasp of ITIL principles and best practices Proficiency in JavaScript and experience working with ServiceNow APIs and web services Demonstrated experience integrating ServiceNow with other enterprise applications Excellent analytical, troubleshooting, and problem-solving abilities ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Logistics, FinTech, Transportation, Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player ...

Sales Engineer, French Speaking EMEA

Hiring Organisation
Vercel
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
accomplish our goals. Vercel is seeking a Sales Engineer, EMEA who combines their technical knowledge with persuasive sales skills! We require a background in JavaScript, along with a broad understanding of modern web development approaches and best practices. Reporting to the Director of Sales Engineering you will be responsible ...

Team Lead, Engineering, Fintech

Hiring Organisation
Deel
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
wallets, flows of funds, compliance, and regulated money movement. Prior experience at companies like Wise, PayPal, or similar is a strong plus. Technical Skills: JavaScript/Node.js PostgreSQL with Sequelize ORM Strong understanding of distributed systems and API-driven banking/PSP integrations Leadership: Ability to run projects at scale ...

Business Systems Developer

Hiring Organisation
RPS
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
internal/external systems using Java and Azure Data Factory Assist in the development of business applications primarily using Oracle APEX as well as JavaScript frameworks Support existing applications, services and infrastructure Write and maintain high-quality technical documentation Collaborate closely with stakeholders (business leads, IT functional teams) across multiple … Java Experience with Microsoft Azure services, in particular Data Factory, SQL Server, Logic Apps, Storage Accounts and Key Vault Experience or working knowledge of JavaScript and knowledge of any JavaScript framework Experience with Oracle Database Solid experience with Microsoft DevOps and/or other source control systems Strong analytical ...

Security Engineer - Application Security

Hiring Organisation
Tesco Technology
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Engineer you can add to our teams with core technical skills including- • Strong expertise at least one of the following programming languages: Python, Java, JavaScript/TypeScript, C#, Go • Proficient in secure code review of at one language i.e. Java, JavaScript, C# • Experience of deploying security tooling into a DevOps ...

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 ...

Trainee Website Administrator

Hiring Organisation
ITOL Recruit
Location
Watford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £35,000 per annum
many entry level programming roles and help you get a step ahead. 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. Therefore, this is an essential addition ...

Product Engineer

Hiring Organisation
Attio
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
about building beautiful, performant systems — and wants to help reinvent how millions of people work. What You'll Do Use your strong expertise in JavaScript/TypeScript to implement product features in our Node.js backend and React frontend. Be part of the teams that deliver cutting-edge user experiences … best technical talent working in the industry today. Represent Attio's Product & Engineering values both internally and externally. What You'll Bring Expertise with JavaScript/TypeScript. A track record of independent delivery, solving real customer or product problems as part of a team. A proactive, self-motivated problem solving ...

Freelance Copywriter (Sponsorships) - Programming Newsletter

Hiring Organisation
Electrify Video Partners
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
looking for a passionate Copywriter to write sponsorships for a leading web development newsletter, which helps 200k+ professional developers stay informed on the JavaScript ecosystem in a fun and engaging format. The ideal candidate is adept at communicating the value prop for highly technical software products and devtools … ability to juggle multiple tasks and meet tight deadlines An excellent communicator, both written and verbal, in English **Desirable ** This position is for a JavaScript-focused newsletter, so an interest in coding and programming is a big plus. Benefits Electrify Culture Dynamic environment - We are dedicated to providing a world ...