Permanent 'ECMAScript' Job Vacancies

1,251 to 1,275 of 2,617 Permanent ECMAScript Jobs

Salesforce Developer

Wimbledon, London, United Kingdom
Yolk Recruitment
SOAP APIs or middleware (e.g. MuleSoft). Hands-on experience with Experience Cloud customisation and configuration. Strong knowledge of Salesforce security, governor limits, and performance best practices. Proficiency in JavaScript and building custom UIs on the Lightning platform. Familiarity with code versioning (Bitbucket/Git) and project tracking tools (JIRA/Confluence). Salesforce certifications - Platform Developer I essential, Developer More ❯
Employment Type: Permanent
Salary: £70000 - £90000/annum + benefits
Posted:

Automation Test Lead

West Yorkshire, England, United Kingdom
Erin Associates
ability to test mobile and web applications in agile product environments. Beneficial tooling experience - Cypress, Selenium, Playwright, Appium, Postman, JS-first UI automation, RSpec, Rails Main programming languages used - JavaScript, TypeScript, Python, Ruby Agile/Scrum The company have an excellent reputation within their sector, and have experienced consecutive years of growth, posting record revenues for the last financial year. More ❯
Employment Type: Full-Time
Salary: £55,000 - £60,000 per annum, Inc benefits
Posted:

Junior Web Developer

CB23, Bar Hill, Cambridgeshire, United Kingdom
Abbexa
back end of our website. As our Junior Web Developer you will be responsible for: Developing, debugging and redeveloping modules and web applications for our website using PHP and JavaScript/JQuery code Identifying and fixing small and medium sized bugs Adding features to existing code in our web application Working as part of the team on development projects Adhering More ❯
Employment Type: Permanent
Posted:

Principal Senior Staff Engineer

London Area, United Kingdom
Hybrid / WFH Options
Cavendish Professionals
culture that values different perspectives, encourages career growth, and supports work-life balance. Tech environment (not required, just context for a tech agnostic individual at this level) Node.js/JavaScript Go, Python (selective use) Docker, Terraform GitLab Google Cloud (GCE, Cloud Run, BigQuery, Composer, ...) LLM (VertexAI) n8n Cavendish (Recruitment) Professionals Ltd are proud to be an equal opportunity employer More ❯
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Principal Senior Staff Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Cavendish Professionals
culture that values different perspectives, encourages career growth, and supports work-life balance. Tech environment (not required, just context for a tech agnostic individual at this level) Node.js/JavaScript Go, Python (selective use) Docker, Terraform GitLab Google Cloud (GCE, Cloud Run, BigQuery, Composer, ...) LLM (VertexAI) n8n Cavendish (Recruitment) Professionals Ltd are proud to be an equal opportunity employer More ❯
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PHP Developer

Leiden, Zuid-Holland, Netherlands
SWIS
SWIS werken we met een techstack waarin Drupal (opensource CMS) en Laravel (opensource PHP webframework) centraal staan. Jouw expertise in design patterns, unit testing en vaardigheden in PHP, SQL, JavaScript, HTML, Kubernetes en CSS zijn van onschatbare waarde. Ervaring met Drupal of Laravel is een pre, maar als je ervaring hebt met andere technologieën en bereid bent om te leren More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Shopify Developer & IT Support Specialist

City of London, London, United Kingdom
Hybrid / WFH Options
Cult Furniture
escalations. • Maintain basic network and Wi-Fi troubleshooting capability. Skills & Experience Essential: • 2–4 years’ experience as a Shopify Developer (Shopify Plus experience a bonus). • Strong HTML, CSS, JavaScript, Liquid templating, and Shopify CLI skills. • Experience integrating third-party apps and APIs into Shopify. • Ability to work with and manage external development teams, including understanding version control, branching, and More ❯
Posted:

Shopify Developer & IT Support Specialist

London Area, United Kingdom
Hybrid / WFH Options
Cult Furniture
escalations. • Maintain basic network and Wi-Fi troubleshooting capability. Skills & Experience Essential: • 2–4 years’ experience as a Shopify Developer (Shopify Plus experience a bonus). • Strong HTML, CSS, JavaScript, Liquid templating, and Shopify CLI skills. • Experience integrating third-party apps and APIs into Shopify. • Ability to work with and manage external development teams, including understanding version control, branching, and More ❯
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Client Engineer

Manchester, England, United Kingdom
Hybrid / WFH Options
Suits Me
App Store, Google Play) Contributing to our design system and component libraries to drive consistency and reuse across platforms What you’ll bring to Suits Me Strong TypeScript and JavaScript experience Experience building applications with React and React Native Familiarity with mobile app deployment and lifecycle management (App Store, Google Play) Understanding of HTTP APIs, authentication patterns (OAuth2, JWT), and More ❯
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Data Engineer

London Area, United Kingdom
IRIS Software Group
warehousing solution preferrably Snowflake. Excellent data modelling and analytics techniques preferrably dbt (for transforming raw data into meaningful insights within modern data warehouses) Strong Python and SQL coding skills. JavaScript is a plus but not required. Experience implementing development best practices including writing automated testing and CI/CD deployment. Responsibilities : Build and maintain reliable data pipelines and ETL processes More ❯
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Data Engineer

City of London, London, United Kingdom
IRIS Software Group
warehousing solution preferrably Snowflake. Excellent data modelling and analytics techniques preferrably dbt (for transforming raw data into meaningful insights within modern data warehouses) Strong Python and SQL coding skills. JavaScript is a plus but not required. Experience implementing development best practices including writing automated testing and CI/CD deployment. Responsibilities : Build and maintain reliable data pipelines and ETL processes More ❯
Posted:

Animator

Brighton, England, United Kingdom
1X2 Network
Excellent communication and interpersonal skills in dealing with differences between creative and technical teams 🌟Even better if you have... Experience in the iGaming industry Angular JSON Jira/Bitbucket Javascript/Typescript HTML5 CSS Experience of animation and special effects software Spine Adobe After Effects, Photoshop Maya, 3DSmax, Blender or other related 3D modelling/animating tools Texture Packer ShoeBox More ❯
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Lead Engineer (React Native)

London Area, United Kingdom
Hybrid / WFH Options
Reward Gateway
with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience A good understanding of the Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern front-end build pipelines and tooling Understanding More ❯
Posted:

Lead Engineer (React Native)

City of London, London, United Kingdom
Hybrid / WFH Options
Reward Gateway
with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience A good understanding of the Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern front-end build pipelines and tooling Understanding More ❯
Posted:

Lead Mobile Engineer (React Native)

England, United Kingdom
Hybrid / WFH Options
Reward Gateway
of experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience A good understanding of the Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern front-end build pipelines and tooling Understanding More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Ecommerce Technical Lead

Northamptonshire, England, United Kingdom
Hybrid / WFH Options
Rise10 Recruitment
Shopify Plus, Magento, WooCommerce, or similar). Ideally WooCommerce! Hubspot and WordPress experience. Proven experience with API integrations, Zapier automation, and custom development. Proficient in web technologies including PHP, JavaScript, HTML/CSS, and SQL. Experience with HubSpot integrations and automation. Demonstrated ability to translate business goals into technical solutions that deliver measurable growth. Strong senior stakeholder management skills — able More ❯
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Frontend Software Engineer

London Area, United Kingdom
Medly AI
Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯
Posted:

Frontend Software Engineer

City of London, London, United Kingdom
Medly AI
Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯
Posted:

Platform Engineer

London, United Kingdom
Just Eat
working with a data streaming platform, preferably Kafka. Experience building data pipelines with a tool like RedPanda Connect (Benthos). Proficiency in at least one programming language (Go, Python, JavaScript). Solid understanding and practical experience with Infrastructure as Code (IaC), CI/CD pipelines, and GitOps methodologies. Experience with monitoring and observability tools (e.g. Prometheus, Grafana, Datadog). Strong More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Intern, QA Engineering (m/f/d)

Wien, Austria
Hybrid / WFH Options
Bitpanda GmbH
recently completed a degree in Computer Science, Engineering, or a related field. Curious about software testing and passionate about product quality. Some familiarity with QA tools or scripting (e.g., JavaScript, Python, SQL, Postman, Cypress) is a plus, but not required. Detail-oriented, with a structured mindset and a desire to learn how complex systems work. Comfortable working in a fast More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

SR WEB UX DEVELOPER

Houston, Texas, United States
Texas Southern University
possible solutions. Essential Duties Summary: Serves as Web Manager to TSU Website & Sub-sites ( ) with regard to use of the content management system (Modern Campus, Cascade CMS, WordPress, HTML, JavaScript and Database web related service request management and consultations. Conducts CMS training as needed for the Marketing Coordinator and Content Managers. Design and management Web Form (Gravity forma and CoffeeCup More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

ServiceNow developer

London Area, United Kingdom
Accenture
ServiceNow in Development Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯
Posted:

ServiceNow developer

City of London, London, United Kingdom
Accenture
ServiceNow in Development Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯
Posted:

Digital Experience Engineer

Oxford, England, United Kingdom
NIOX®
Science, Digital Marketing, Information Systems, or related field. 2-4 years’ experience in a digital, technical marketing, or front-end design. Strong proficiency with front-end technologies: HTML5, CSS3, JavaScript, jQuery. Strong proficiency in PHP, MongoDB and mySQL. Experience with Swift and Java a bonus. Hands-on experience with CMS platforms, CRM systems, and marketing automation tools. Solid understanding of More ❯
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WEB CONTENT DESIGNER & DEVELOPER

Hilliard, Ohio, United States
Micro Center
detail. A self-starter mindset: you take initiative, own your projects, and thrive in a fast-paced, collaborative environment. Familiarity with Git and browser developer tools. Bonus Skills Light JavaScript/jQuery for interactive elements and enhancements. Understanding of SEO fundamentals , analytics tagging, and A/B testing . Familiarity with deployment workflows and version control. Tools You'll Use More ❯
Employment Type: Permanent
Salary: USD Annual
Posted: