ECMAScript Job Vacancies

2,426 to 2,450 of 3,008 ECMAScript Jobs

Manual QA Tester

United Kingdom
CourtCorrect
automation frameworks (e.g. Playwright, Cypress, Selenium, or Pytest). Experience with CI/CD pipelines and version control (Git). Interest in Python (our backend language) and/or JavaScript (our frontend stack). Experience with AI and LLMs Why Join Us Be the first dedicated QA tester in a 10-person engineering team — real ownership and impact. Opportunity to More ❯
Posted:

Digital Integration Analyst

Greater Manchester, United Kingdom
Hybrid / WFH Options
Adecco
stakeholders Maintain comprehensive documentation of integration service processes and best practices About You: We're looking for a technically skilled professional who possesses: Strong expertise in HL7, FHIR, JSON, JavaScript and Powershell Proven experience in SQL database design and querying Proficiency with REST APIs and Office 365 A solid background in system integration and digital development The ability to communicate More ❯
Employment Type: Permanent
Posted:

Salesforce Developer

Merton, 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: GBP 70,000 - 90,000 Annual
Posted:

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:

Digital Integration Analyst

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Adecco
stakeholders Maintain comprehensive documentation of integration service processes and best practices About You: We're looking for a technically skilled professional who possesses: Strong expertise in HL7, FHIR, JSON, JavaScript and Powershell Proven experience in SQL database design and querying Proficiency with REST APIs and Office 365 A solid background in system integration and digital development The ability to communicate More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Salesforce Developer

South West London, London, England, United Kingdom
Yolk Recruitment Ltd
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: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:

Mobile Engineer (React Native)

City of London, London, United Kingdom
Reward Gateway
related to mobile development Skills and Experience we need: At least 5+ years of experience as a Software Engineer building mobile applications in React Native Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience Good working knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯
Posted:

Mobile Engineer (React Native)

London Area, United Kingdom
Reward Gateway
related to mobile development Skills and Experience we need: At least 5+ years of experience as a Software Engineer building mobile applications in React Native Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience Good working knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯
Posted:

Senior Analytics Consultant

Leeds, England, United Kingdom
Jaywing
Google Analytics 4 (GA4) and Google Tag Manager (GTM), including advanced configuration and troubleshooting Proven ability to implement and troubleshoot various marketing pixels (e.g. Facebook, LinkedIn) Strong proficiency in JavaScript, HTML, and other web technologies relevant to tracking implementation (e.g., dataLayer, DOM manipulation) Familiarity with data manipulation and analysis using spreadsheet software (e.g., Google Sheets, Excel) SQL skills for data More ❯
Posted:

Senior Software Engineer with Security Clearance

Burke, Virginia, United States
Eleven Peppers Studios
Necessities: You have 12 years of experience (degree(s) may reduce years req.). You have experience developing user-friendly web apps using common commercially accepted programming languages (HTML, JavaScript, PHP, etc.). You have the ability to troubleshoot software and web problems and provide solutions to overcome those problems. You can test, maintain, and support high-performance, innovative software More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Analytics Consultant

bradford, yorkshire and the humber, united kingdom
Jaywing
Google Analytics 4 (GA4) and Google Tag Manager (GTM), including advanced configuration and troubleshooting Proven ability to implement and troubleshoot various marketing pixels (e.g. Facebook, LinkedIn) Strong proficiency in JavaScript, HTML, and other web technologies relevant to tracking implementation (e.g., dataLayer, DOM manipulation) Familiarity with data manipulation and analysis using spreadsheet software (e.g., Google Sheets, Excel) SQL skills for data More ❯
Posted:

Mobile Engineer (React Native)

slough, south east england, united kingdom
Reward Gateway
related to mobile development Skills and Experience we need: At least 5+ years of experience as a Software Engineer building mobile applications in React Native Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience Good working knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯
Posted:

Mobile Engineer (React Native)

london, south east england, united kingdom
Reward Gateway
related to mobile development Skills and Experience we need: At least 5+ years of experience as a Software Engineer building mobile applications in React Native Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience Good working knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯
Posted:

Mobile Engineer (React Native)

london (city of london), south east england, united kingdom
Reward Gateway
related to mobile development Skills and Experience we need: At least 5+ years of experience as a Software Engineer building mobile applications in React Native Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience Good working knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯
Posted:

Digital Operations Officer

City of London, London, United Kingdom
Hybrid / WFH Options
Royal British Legion
to large-scale digital projects, including the upcoming rebuild of our main websites. Proficiency in HTML and a working knowledge of CSS are key for this role, and while JavaScript isn't essential, it would be a welcome bonus. You'll be joining a busy, supportive team where no two days are the same, and where your input will have More ❯
Employment Type: Contract, Work From Home
Rate: £35,000
Posted:

Senior Service Designer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Ad Warrior
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Permanent, Part Time
Salary: £55,000
Posted:

Senior Service Designer

Manchester, North West, United Kingdom
Ad Warrior
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Permanent, Part Time
Salary: £55,000
Posted:

Senior Service Designer

Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Ad Warrior
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Permanent, Part Time
Salary: £55,000
Posted:

Senior Service Designer

Bristol, Avon, South West, United Kingdom
Ad Warrior
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Permanent, Part Time
Salary: £55,000
Posted:

Senior Service Designer

Nottingham, Nottinghamshire, East Midlands, United Kingdom
Ad Warrior
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Permanent, Part Time
Salary: £55,000
Posted:

Senior Service Designer

Nottingham, Nottinghamshire, England, United Kingdom
DVSA
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Service Designer

Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
DVSA
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Service Designer

Bristol, Avon, England, United Kingdom
DVSA
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Service Designer

Manchester, Lancashire, England, United Kingdom
DVSA
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Service Designer

Leeds, West Yorkshire, England, United Kingdom
DVSA
Strong understanding of information architecture, interaction design, visual design and prototyping. Experience in building coded prototypes using HTML and CSS or experience using the GOV.UK Prototype kit. Knowledge of JavaScript beneficial. Benefits Joining their department comes with many benefits, including: Employer pension contribution of 28.97% of your salary. 25 days annual leave, increasing by 1 day each year of service More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted: