JavaScript (React/Vue) jobs

Full Stack Engineer

Codal · Posted Nov 9, 2026

Lincoln, England, United Kingdom
Hybrid
Full-time · Associate
2–4 years

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Codal is hiring a Full Stack Engineer in Lincoln to build web and mobile applications for enterprise clients using TypeScript, React, React Native, Next.js, Node.js or Python and cloud platforms.

Responsibilities

2-4 years building production web applications professionally, across both front end and back end.
Strong JavaScript/TypeScript, with commercial experience of React, Next.js or a similar modern framework.
Back-end development in Node.js or Python, including REST or GraphQL API design.
Experience with relational and document databases such as PostgreSQL, MySQL or MongoDB.
Hands-on experience deploying and running applications on AWS, GCP or Azure.

Requirements

Nice to have: React Native
Nice to have: REST
Nice to have: GraphQL
Nice to have: GitHub Copilot
Nice to have: Claude Code

Skills

JavaScript TypeScript React Next.js Node.js Python PostgreSQL MySQL MongoDB AWS GCP Azure Git CI/CD

Benefits

Health Insurance
Maternity/Paternity Leave
Pension Scheme
Annual Leave (22 days plus UK bank holidays)
Professional Development

See full job description

QA Engineer - Discovery

IP Fabric · Posted Nov 10, 2026

Open

Prague, Prague, Czech Republic +1 more
Hybrid
Full-time · Senior

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We are looking for a Senior QA Engineer to join our Discovery Platform team to engineer quality into complex backend systems and ensure reliability and safe releases.

Locations (2)

Prague, Prague, Czech Republic
EU

Compensation

25 days of holidays + 5 flexi-days. Pluxee Flexi Card (up to 16 000 CZK per year - valid only for Czech employees). Anniversary rewards.

Responsibilities

Closely collaborate with developers to deliver features & fixes in quality
Bring quality mindset to the whole development cycle from planning to release
Improve the way we work
Define and monitor quality metrics
Write automated tests and participate in manual testing

Requirements

Nice to have: AI-assisted development workflows
Nice to have: Playwright
Nice to have: Python
Nice to have: Networking
Nice to have: Network Engineering

Skills

JavaScript TypeScript Back-end test automation unit tests integration tests API testing mocking Linux Shell SQL Playwright CI/CD

Benefits

25 days of holidays
5 flexi-days
Pluxee Flexi Card
Anniversary rewards
Collaboration with diverse, international teams

See full job description

Lead Quality Assurance Engineer

ThriveCart · Posted Apr 9, 2026

Open

Remote, LATAM
Remote
Full-time · Senior
5+ years

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Lead Quality Assurance Engineer coordinates QA activities across the team while remaining actively involved in testing and automation.

Responsibilities

Drive the continued development and improvement of test automation frameworks and testing processes
Support and improve automated testing within CI/CD pipelines
Identify opportunities to improve test coverage, reliability, and overall product quality
Evaluate and recommend testing tools, frameworks, and technologies that enhance QA effectiveness
Help establish and maintain testing standards, documentation, and QA best practices

Requirements

Nice to have: fintech
Nice to have: subscription billing
Nice to have: eCommerce systems
Nice to have: distributed or remote QA teams
Nice to have: defining QA metrics

See full job description

Webflow Developer

Vectra · Posted Nov 10, 2026

Open

Bengaluru, Karnataka, India
4–8 years

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Build and maintain Vectra AI's website in Webflow, review AI-generated web work, and support digital content operations.

Compensation

Compensation includes competitive base pay, incentive plan eligibility, and participation in the employee equity plan (stock options).

Responsibilities

Build, update, and maintain Vectra AI web pages in Webflow
Perform website QA, testing, accessibility reviews
Partner with the SEO Manager to implement SEO and AEO recommendations
Partner with the Sr. Web Developer, Brand, and Product Marketing to ensure pages meet brand, technical, and search requirements
Review AI-assisted and AI-generated web work for accuracy, brand voice, and functionality

Requirements

Nice to have: Figma
Nice to have: MCP
Nice to have: landing page testing
Nice to have: conversion optimization
Nice to have: user experience improvements

Skills

Webflow HTML CSS JavaScript SEO AEO QA accessibility content operations WordPress Contentful Drupal Sitecore Figma

Benefits

health care insurance
income protection / life insurance
retirement savings plans
behavioral & emotional wellness services
generous time away from work

See full job description

Senior Manager QA – Test Automation & Performance Testing

IPSY · Posted Nov 10, 2026

Open

Remote, United States +16 more
Remote
Full-time · Senior
$180K–$185K per year
10+ years

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Lead Test Automation and Performance Testing teams, driving strategy, frameworks, and quality metrics for software delivery.

Locations (17)

Arizona, United States
California, United States
Connecticut, United States
Florida, United States
Illinois, United States
Kansas, United States

Show all 17 locations

Massachusetts, United States
Missouri, United States
North Carolina, United States
New York, United States
New Jersey, United States
Nevada, United States
Ohio, United States
Pennsylvania, United States
Texas, United States
Utah, United States
Washington, United States

Compensation

$180,000—$185,000 USD

Responsibilities

Define and drive the vision, strategy, and roadmap for test automation and performance testing.
Establish, maintain, and scale test automation frameworks for functional, integration, regression, UAT and end-to-end testing.
Build and enhance performance testing frameworks to ensure system scalability, reliability, and responsiveness.
Lead and mentor a team of test automation and performance engineers.
Work closely with Engineering, DevOps, and product teams to integrate quality engineering practices early in the development cycle.

Requirements

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
Nice to have: AI/ML driven test automation tools
Nice to have: security testing methodologies and tools
Nice to have: large-scale enterprise software testing
Nice to have: ISTQB or equivalent QA certification

Skills

test automation frameworks such as webdriver.io BDD Python Java JavaScript performance testing tools like JMeter, Gatling, k6, LoadRunner CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD)cloud environments (AWS)containerization technologies webdriver.io JMeter Gatling k6 LoadRunner Jenkins GitHub Actions GitLab CI/CD AWS

Benefits

Medical, dental & vision insurance
401(k) plan with company match
Paid Time Off
Work from home flexibility
Free IPSY Extra subscription

See full job description

Frontend Engineer

PayPay · Posted Sep 3, 2021

Open

Japan
Hybrid
Full-time · Mid
5+ years
Visa sponsorship

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We are looking for a web frontend engineer to join PayPay to build features that change how people in Japan use and manage their finances and business.

Compensation

Annual salary paid in 12 installments (monthly). Based on skills, experience, and abilities.

Responsibilities

Work with Product Managers, Designers and various tech teams to implement features.
Contribute to the team by sharing knowledge, participating in code reviews, and providing feedback to uphold and ensure best practices.
Triage, debug, and resolve product issues.

Requirements

Nice to have: NestJS
Nice to have: Express.js
Nice to have: single-spa
Nice to have: frontend performance monitoring and optimization
Nice to have: iOS or Android development

Benefits

Social Insurance (health insurance, employee pension, employment insurance, compensation insurance)
401K
Translation/Interpretation support
Relocation support
Late overtime allowance

See full job description

Software Engineer 2

MongoDB · Posted Feb 17, 2026

Open

Dublin, Leinster, Ireland
Hybrid
Full-time
0–2 years

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Design, build, and test software for MongoDB products, collaborating with cross‑functional teams in a hybrid model based in Dublin.

Responsibilities

Design, build, and test software that enhances MongoDB products
Collaborate with cross‑functional teams to deliver end‑user features
Identify, design, test, and support new features in MongoDB products
Lead software projects that help users maintain and understand MongoDB deployments
Solve problems with context in mind, balancing team needs and issue resolution

Requirements

Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field

Skills

C++Go Ruby Python Java Javascript Node.js

Benefits

Employee Resource Groups
Mentorship and learning opportunities
Fertility assistance
Generous parental leave policy

See full job description

Senior/Staff Application Security Engineer

Nebius · Posted Feb 17, 2025

Open

Remote, Europe
Remote
Senior
Competitive compensation
6+ years

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Lead the security of Nebius’s application offerings by identifying and mitigating vulnerabilities, implementing best security practices, and collaborating with development teams.

Responsibilities

Build and maintain Application Security Posture Management (ASPM) at the company scale
Automate and support SAST, SCA tools as part of CI/CD pipelines
Improve SAST and secrets detection rules while keeping false positive rate low
Identify, analyze, and remediate application security vulnerabilities
Collaborate with development teams to integrate security best practices into the software development lifecycle (SDLC)

Requirements

Nice to have: OSCP
Nice to have: OSWE

Skills

secure coding threat modeling SAST SCA Burp Suite ZAP Semgrep Python Go Java JavaScript SAML OIDC

Benefits

Career growth and learning opportunities
Flexibility and ownership
Collaborative and innovative culture
Opportunity to work on impactful AI projects

See full job description

Software Engineer - Web Developer (Top Secret with agreement to obtain CI Poly)

North Point Technology · Posted Apr 24, 2026

Open

United States

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Top Secret Cleared Software Engineer to support NGA mission by delivering intelligence and geospatial data management applications using a Scrum framework.

Responsibilities

Participate in a software development Scrum team
Assist with software requirements verification
Software development
Operational support
Frontend web development using modern techniques and frameworks

Requirements

Nice to have: Kubernetes
Nice to have: Docker
Nice to have: Jenkins
Nice to have: Puppet
Nice to have: Rails

Skills

HTML5 CSS3 LESS SASS Responsive Design Bourbon Twitter Bootstrap JavaScript jQuery Backbone.js Ember.js D3 RESTful APIs Git GitHub Jira Confluence Kubernetes Docker Jenkins Puppet

Benefits

excellent compensation
benefits
flexible work-life balance

See full job description

Principal UI Engineer

Reltio · Posted Nov 10, 2026

Open

Bengaluru, Karnataka, India
Hybrid
Senior
12+ years

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Lead the architecture, design, and development of complex enterprise-scale web applications and drive frontend technology strategy across multiple product teams.

Responsibilities

Lead the architecture, design, and development of complex enterprise-scale web applications.
Drive frontend technology strategy across multiple product teams.
Build reusable UI frameworks, shared component libraries, and design system integrations.
Champion modern frontend engineering practices including performance optimization, accessibility, testing, observability, and security.
Partner closely with Product Managers and UX Designers to translate complex workflows into intuitive user experiences.

Requirements

Nice to have: enterprise SaaS products
Nice to have: AWS
Nice to have: Azure
Nice to have: GCP
Nice to have: Kubernetes

See full job description

Full Stack Engineer

Codal · Posted Nov 9, 2026

Open

Lincoln, England, United Kingdom
Hybrid
Full-time · Associate
2–4 years

Apply with RefersoAI Apply on careers page

Codal is hiring a Full Stack Engineer in Lincoln to build web and mobile applications for enterprise clients using TypeScript, React, React Native, Next.js, Node.js or Python and cloud platforms.

Responsibilities

2-4 years building production web applications professionally, across both front end and back end.
Strong JavaScript/TypeScript, with commercial experience of React, Next.js or a similar modern framework.
Back-end development in Node.js or Python, including REST or GraphQL API design.
Experience with relational and document databases such as PostgreSQL, MySQL or MongoDB.
Hands-on experience deploying and running applications on AWS, GCP or Azure.

Requirements

Nice to have: React Native
Nice to have: REST
Nice to have: GraphQL
Nice to have: GitHub Copilot
Nice to have: Claude Code

Skills

JavaScript TypeScript React Next.js Node.js Python PostgreSQL MySQL MongoDB AWS GCP Azure Git CI/CD

Benefits

Health Insurance
Maternity/Paternity Leave
Pension Scheme
Annual Leave (22 days plus UK bank holidays)
Professional Development

See full job description

QA Engineer - Discovery

IP Fabric · Posted Nov 10, 2026

Open

Prague, Prague, Czech Republic +1 more
Hybrid
Full-time · Senior

Apply with RefersoAI Apply on careers page

We are looking for a Senior QA Engineer to join our Discovery Platform team to engineer quality into complex backend systems and ensure reliability and safe releases.

Locations (2)

Prague, Prague, Czech Republic
EU

Compensation

25 days of holidays + 5 flexi-days. Pluxee Flexi Card (up to 16 000 CZK per year - valid only for Czech employees). Anniversary rewards.

Responsibilities

Closely collaborate with developers to deliver features & fixes in quality
Bring quality mindset to the whole development cycle from planning to release
Improve the way we work
Define and monitor quality metrics
Write automated tests and participate in manual testing

Requirements

Nice to have: AI-assisted development workflows
Nice to have: Playwright
Nice to have: Python
Nice to have: Networking
Nice to have: Network Engineering

Skills

JavaScript TypeScript Back-end test automation unit tests integration tests API testing mocking Linux Shell SQL Playwright CI/CD

Benefits

25 days of holidays
5 flexi-days
Pluxee Flexi Card
Anniversary rewards
Collaboration with diverse, international teams

See full job description

Lead Quality Assurance Engineer

ThriveCart · Posted Apr 9, 2026

Open

Remote, LATAM
Remote
Full-time · Senior
5+ years

Apply with RefersoAI Apply on careers page

Lead Quality Assurance Engineer coordinates QA activities across the team while remaining actively involved in testing and automation.

Responsibilities

Drive the continued development and improvement of test automation frameworks and testing processes
Support and improve automated testing within CI/CD pipelines
Identify opportunities to improve test coverage, reliability, and overall product quality
Evaluate and recommend testing tools, frameworks, and technologies that enhance QA effectiveness
Help establish and maintain testing standards, documentation, and QA best practices

Requirements

Nice to have: fintech
Nice to have: subscription billing
Nice to have: eCommerce systems
Nice to have: distributed or remote QA teams
Nice to have: defining QA metrics

See full job description

Webflow Developer

Vectra · Posted Nov 10, 2026

Open

Bengaluru, Karnataka, India
4–8 years

Apply with RefersoAI Apply on careers page

Build and maintain Vectra AI's website in Webflow, review AI-generated web work, and support digital content operations.

Compensation

Compensation includes competitive base pay, incentive plan eligibility, and participation in the employee equity plan (stock options).

Responsibilities

Build, update, and maintain Vectra AI web pages in Webflow
Perform website QA, testing, accessibility reviews
Partner with the SEO Manager to implement SEO and AEO recommendations
Partner with the Sr. Web Developer, Brand, and Product Marketing to ensure pages meet brand, technical, and search requirements
Review AI-assisted and AI-generated web work for accuracy, brand voice, and functionality

Requirements

Nice to have: Figma
Nice to have: MCP
Nice to have: landing page testing
Nice to have: conversion optimization
Nice to have: user experience improvements

Skills

Webflow HTML CSS JavaScript SEO AEO QA accessibility content operations WordPress Contentful Drupal Sitecore Figma

Benefits

health care insurance
income protection / life insurance
retirement savings plans
behavioral & emotional wellness services
generous time away from work

See full job description

Senior Manager QA – Test Automation & Performance Testing

IPSY · Posted Nov 10, 2026

Open

Remote, United States +16 more
Remote
Full-time · Senior
$180K–$185K per year
10+ years

Apply with RefersoAI Apply on careers page

Lead Test Automation and Performance Testing teams, driving strategy, frameworks, and quality metrics for software delivery.

Locations (17)

Arizona, United States
California, United States
Connecticut, United States
Florida, United States
Illinois, United States
Kansas, United States

Show all 17 locations

Massachusetts, United States
Missouri, United States
North Carolina, United States
New York, United States
New Jersey, United States
Nevada, United States
Ohio, United States
Pennsylvania, United States
Texas, United States
Utah, United States
Washington, United States

Compensation

$180,000—$185,000 USD

Responsibilities

Define and drive the vision, strategy, and roadmap for test automation and performance testing.
Establish, maintain, and scale test automation frameworks for functional, integration, regression, UAT and end-to-end testing.
Build and enhance performance testing frameworks to ensure system scalability, reliability, and responsiveness.
Lead and mentor a team of test automation and performance engineers.
Work closely with Engineering, DevOps, and product teams to integrate quality engineering practices early in the development cycle.

Requirements

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
Nice to have: AI/ML driven test automation tools
Nice to have: security testing methodologies and tools
Nice to have: large-scale enterprise software testing
Nice to have: ISTQB or equivalent QA certification

Skills

Benefits

Medical, dental & vision insurance
401(k) plan with company match
Paid Time Off
Work from home flexibility
Free IPSY Extra subscription

See full job description

Frontend Engineer

PayPay · Posted Sep 3, 2021

Open

Japan
Hybrid
Full-time · Mid
5+ years
Visa sponsorship

Apply with RefersoAI Apply on careers page

We are looking for a web frontend engineer to join PayPay to build features that change how people in Japan use and manage their finances and business.

Compensation

Annual salary paid in 12 installments (monthly). Based on skills, experience, and abilities.

Responsibilities

Work with Product Managers, Designers and various tech teams to implement features.
Contribute to the team by sharing knowledge, participating in code reviews, and providing feedback to uphold and ensure best practices.
Triage, debug, and resolve product issues.

Requirements

Nice to have: NestJS
Nice to have: Express.js
Nice to have: single-spa
Nice to have: frontend performance monitoring and optimization
Nice to have: iOS or Android development

Benefits

Social Insurance (health insurance, employee pension, employment insurance, compensation insurance)
401K
Translation/Interpretation support
Relocation support
Late overtime allowance

See full job description

Software Engineer 2

MongoDB · Posted Feb 17, 2026

Open

Dublin, Leinster, Ireland
Hybrid
Full-time
0–2 years

Apply with RefersoAI Apply on careers page

Design, build, and test software for MongoDB products, collaborating with cross‑functional teams in a hybrid model based in Dublin.

Responsibilities

Design, build, and test software that enhances MongoDB products
Collaborate with cross‑functional teams to deliver end‑user features
Identify, design, test, and support new features in MongoDB products
Lead software projects that help users maintain and understand MongoDB deployments
Solve problems with context in mind, balancing team needs and issue resolution

Requirements

Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field

Skills

C++Go Ruby Python Java Javascript Node.js

Benefits

Employee Resource Groups
Mentorship and learning opportunities
Fertility assistance
Generous parental leave policy

See full job description

Senior/Staff Application Security Engineer

Nebius · Posted Feb 17, 2025

Open

Remote, Europe
Remote
Senior
Competitive compensation
6+ years

Apply with RefersoAI Apply on careers page

Lead the security of Nebius’s application offerings by identifying and mitigating vulnerabilities, implementing best security practices, and collaborating with development teams.

Responsibilities

Build and maintain Application Security Posture Management (ASPM) at the company scale
Automate and support SAST, SCA tools as part of CI/CD pipelines
Improve SAST and secrets detection rules while keeping false positive rate low
Identify, analyze, and remediate application security vulnerabilities
Collaborate with development teams to integrate security best practices into the software development lifecycle (SDLC)

Requirements

Nice to have: OSCP
Nice to have: OSWE

Skills

secure coding threat modeling SAST SCA Burp Suite ZAP Semgrep Python Go Java JavaScript SAML OIDC

Benefits

Career growth and learning opportunities
Flexibility and ownership
Collaborative and innovative culture
Opportunity to work on impactful AI projects

See full job description

Software Engineer - Web Developer (Top Secret with agreement to obtain CI Poly)

North Point Technology · Posted Apr 24, 2026

Open

United States

Apply with RefersoAI Apply on careers page

Top Secret Cleared Software Engineer to support NGA mission by delivering intelligence and geospatial data management applications using a Scrum framework.

Responsibilities

Participate in a software development Scrum team
Assist with software requirements verification
Software development
Operational support
Frontend web development using modern techniques and frameworks

Requirements

Nice to have: Kubernetes
Nice to have: Docker
Nice to have: Jenkins
Nice to have: Puppet
Nice to have: Rails

Skills

HTML5 CSS3 LESS SASS Responsive Design Bourbon Twitter Bootstrap JavaScript jQuery Backbone.js Ember.js D3 RESTful APIs Git GitHub Jira Confluence Kubernetes Docker Jenkins Puppet

Benefits

excellent compensation
benefits
flexible work-life balance

See full job description

Principal UI Engineer

Reltio · Posted Nov 10, 2026

Open

Bengaluru, Karnataka, India
Hybrid
Senior
12+ years

Apply with RefersoAI Apply on careers page

Lead the architecture, design, and development of complex enterprise-scale web applications and drive frontend technology strategy across multiple product teams.

Responsibilities

Lead the architecture, design, and development of complex enterprise-scale web applications.
Drive frontend technology strategy across multiple product teams.
Build reusable UI frameworks, shared component libraries, and design system integrations.
Champion modern frontend engineering practices including performance optimization, accessibility, testing, observability, and security.
Partner closely with Product Managers and UX Designers to translate complex workflows into intuitive user experiences.

Requirements

Nice to have: enterprise SaaS products
Nice to have: AWS
Nice to have: Azure
Nice to have: GCP
Nice to have: Kubernetes

See full job description