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react.js developer

Confiz

<div>We are seeking an experienced Full Stack Developer with 5+ years of strong expertise in React.js on the frontend and .NET (C#) on the backend. The ideal candidate will have a proven track record of building scalable, secure, and high-performance web applications. Candidates with Accessibility (ADA/WCAG) experience are highly preferred, as we are committed to delivering inclusive and accessible digital experiences.
Responsibilities
<ul><li>Design, develop, and maintain web applications using React.js, .NET and RESTful APIs.</li>
<li>Collaborate with UI/UX designers and backend engineers to implement responsive and accessible user interfaces.</li>
<li>Ensure application performance, scalability, and security standards are met.</li>
<li>Apply accessibility best practices (ADA/WCAG 2.1) in UI development.</li>
<li>Participate in the full software development lifecycle &mdash; from requirement analysis to deployment and maintenance.</li>
<li>Write clean, maintainable, and well-documented code following best practices and coding standards.</li>
<li>Troubleshoot, debug, and optimize existing systems for better performance.</li>
<li>Collaborate in Agile/Scrum environments with cross-functional teams.</li>
<li>Implement automated testing and CI/CD pipelines where applicable.</li>
</ul>
Requirements
<ul><li>Bachelor&rsquo;s degree in Computer Science, Engineering, or related field (or equivalent experience).</li>
<li>5+ years of professional experience as a Full Stack Developer.</li>
<li>Strong proficiency in React.js, JavaScript (ES6+), TypeScript, and related libraries/frameworks.</li>
<li>Proven experience with .NET, C#, and Entity Framework.</li>
<li>Solid understanding of RESTful API design and integration.</li>
<li>Experience working with SQL Server or other relational databases.</li>
<li>Familiarity with Azure, AWS, or other cloud platforms.</li>
<li>Understanding of HTML5, CSS3, SASS/LESS, and responsive design principles.</li>
<li>Knowledge of web accessibility standards (ADA/WCAG) and experience implementing them in web applications.</li>
<li>Experience with version control systems (Git, GitHub, or Azure DevOps).</li>
<li>Familiarity with unit testing, integration testing, and CI/CD pipelines.</li>
<li>Experience with React accessibility libraries or ARIA standards.</li>
<li>Experience with Agile methodologies and working in distributed teams.</li>
<li>Knowledge of containerization tools like Docker or Kubernetes.</li>
<li>Excellent problem-solving and analytical thinking.</li>
<li>Strong communication and collaboration skills.</li>
<li>Detail-oriented with a focus on delivering high-quality, maintainable solutions.</li>
<li>Passion for continuous learning and keeping up with emerging technologies.</li>
</ul>
We have an amazing team of 700+ individuals working on highly innovative enterprise projects &amp; products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast-growth fintech, and multiple Silicon Valley startups.
What makes Confiz stand out is our focus on processes and culture. Confiz is ISO 9001:2015 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM), ISO 14001:2015 (EMS), ISO 45001:2018 (OHSMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.
People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.
To know more about Confiz Limited, visit: https://www.linkedin.com/company/confiz-pakistan/</div>

Full Stack Developer (React.js + .NET)

<div>
 We are seeking an experienced
 
 Full Stack Developer
 
 with
 
 5+ years of
 
 strong expertise in
 
 React.js
 
 on the frontend and
 
 .NET (C#)
 
 on the backend. The ideal candidate will have a proven track record of building scalable, secure, and high-performance web applications. Candidates with
 
 Accessibility (ADA/WCAG)
 
 experience are highly preferred, as we are committed to delivering inclusive and accessible digital experiences.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Design, develop, and maintain web applications using React.js, .NET and RESTful APIs.
 </li>
 <li>
 Collaborate with UI/UX designers and backend engineers to implement responsive and accessible user interfaces.
 </li>
 <li>
 Ensure application performance, scalability, and security standards are met.
 </li>
 <li>
 Apply accessibility best practices (ADA/WCAG 2.1) in UI development.
 </li>
 <li>
 Participate in the full software development lifecycle &mdash; from requirement analysis to deployment and maintenance.
 </li>
 <li>
 Write clean, maintainable, and well-documented code following best practices and coding standards.
 </li>
 <li>
 Troubleshoot, debug, and optimize existing systems for better performance.
 </li>
 <li>
 Collaborate in Agile/Scrum environments with cross-functional teams.
 </li>
 <li>
 Implement automated testing and CI/CD pipelines where applicable.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Engineering, or related field (or equivalent experience).
 </li>
 <li>
 5+ years of professional experience as a Full Stack Developer.
 </li>
 <li>
 Strong proficiency in React.js, JavaScript (ES6+), TypeScript, and related libraries/frameworks.
 </li>
 <li>
 Proven experience with .NET, C#, and Entity Framework.
 </li>
 <li>
 Solid understanding of RESTful API design and integration.
 </li>
 <li>
 Experience working with SQL Server or other relational databases.
 </li>
 <li>
 Familiarity with Azure, AWS, or other cloud platforms.
 </li>
 <li>
 Understanding of HTML5, CSS3, SASS/LESS, and responsive design principles.
 </li>
 <li>
 Knowledge of web accessibility standards (ADA/WCAG) and experience implementing them in web applications.
 </li>
 <li>
 Experience with version control systems (Git, GitHub, or Azure DevOps).
 </li>
 <li>
 Familiarity with unit testing, integration testing, and CI/CD pipelines.
 </li>
 <li>
 Experience with React accessibility libraries or ARIA standards.
 </li>
 <li>
 Experience with Agile methodologies and working in distributed teams.
 </li>
 <li>
 Knowledge of containerization tools like Docker or Kubernetes.
 </li>
 <li>
 Excellent problem-solving and analytical thinking.
 </li>
 <li>
 Strong communication and collaboration skills.
 </li>
 <li>
 Detail-oriented with a focus on delivering high-quality, maintainable solutions.
 </li>
 <li>
 Passion for continuous learning and keeping up with emerging technologies.
 
 
 </li>
 </ul>
 We have an amazing team of 700+ individuals working on highly innovative enterprise projects &amp; products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast-growth fintech, and multiple Silicon Valley startups.
 
 
 What makes Confiz stand out is our focus on processes and culture. Confiz is
 
 ISO 9001:2015
 
 (QMS),
 
 ISO 27001:2022
 
 (ISMS),
 
 ISO 20000-1:2018
 
 (ITSM),
 
 ISO 14001:2015
 
 (EMS),
 
 ISO 45001:2018
 
 (OHSMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.
 
 
 People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.
 
 
 To know more about Confiz Limited, visit: https://www.linkedin.com/company/confiz-pakistan/
</div>

HR Ways

Position OverviewWe are looking for an experienced Full Stack Developer to join our enterprise software engineering team. The ideal candidate will have a strong foundation in Enterprise Java (J2EE / Jakarta EE) for back-end systems, combined with proficiency in Python, React.js, and SQL for developing scalable, secure, and high-performance applications used by leading banks and financial institutions. You will be responsible for designing and implementing full-stack features across multiple enterprise modules, integrating APIs, ensuring robust data handling, and maintaining the reliability of mission-critical systems.Key ResponsibilitiesDevelop, enhance, and maintain multi-tier enterprise web applications used in banking and financial domains.Build and optimize back-end services and APIs using Java (J2EE, EJB) and Python for automation or data-driven components.Design responsive, user-friendly front-end interfaces using React.js, JavaScript, and modern UI frameworks.Ensure application scalability, reliability, and security consistent with enterprise software standards.Collaborate closely with QA, DevOps, and business analysts to deliver well-tested, high- quality features.Participate in system design discussions, code reviews, and performance tuning exercises.Integrate with external systems, authentication providers, and enterprise APIs.Contribute to improving development processes, automation pipelines, and coding standards.Required Skills &amp; QualificationsBachelors or Masters degree in Computer Science, Software Engineering, or a related field.5+ years of experience developing large-scale enterprise applications.Strong command of Java (J2EE / Jakarta EE, EJB, JDBC).Working knowledge of Python for scripting, automation, or service integration.Proven experience in React.js, modern JavaScript frameworks, HTML5, and CSS3.Solid understanding of SQL and RDBMS.Excellent debugging, analytical, and problem-solving skills.Ability to work effectively in agile, collaborative teams on enterprise-scale projects.Preferred SkillsExperience with PostgreSQL and/or Oracle.Understanding of enterprise security concepts (encryption, SSO, OAuth2, JWT).Familiarity with banking-grade performance and audit requirements (transaction logging, access control).Experience working in JSF &amp; J2EE environments.Knowledge and experience with integration of AI APIs and agentic AI.What We OfferCompetitive salary and performance-based incentives.Exposure to enterprise-scale projects for major banks and financial institutions.Opportunity to work with a modern tech stack across multiple layers of the application&#65279;Work Days :Monday- FridayJob Type: Full-timePay: Rs200,000.00 - Rs250,000.00 per monthWork Location: In person

Java Developer (EE)

About the job Senior Frontend Developer (On-site | Karachi | PKR Salary)About the company:&#65279; Hiring for the fastest-growing custom software development, AI-driven solutions, and digital transformation to help companies stay ahead in the tech landscape with 50+ workforce.About the Role &#65279;*We are looking for a highly experienced Senior React Developer* who is passionate about building scalable, high-performance web applications and driving frontend architecture decisions. You will take full ownership of the user interface, lead frontend strategy, and shape reusable component libraries and design patterns across the product.This is a senior-level role for someone who understands modern JavaScript, performance optimization, complex states, large-scale frontend architecture, and systems thinking. If you want to build world-class user experiences in a fast-paced engineering environment, this role is for you.Key Responsibilities<ul><li>Architect, build, and maintain advanced React applications with a focus on performance, scalability, and reliability.</li><li>Own critical frontend modules and deliver high-quality, reusable, and maintainable code.</li><li>Take part in high-impact product decisions, frontend architecture planning, and UI/UX collaboration.</li><li>Write clean, modular, well-documented code using modern JavaScript, TypeScript, ES6+, and React best practices.</li><li>Build reusable component libraries, hooks, and shared utils to improve development efficiency.</li><li>Improve application performance using advanced techniques such as memoization, virtualization, and lazy loading.</li><li>Integrate complex REST APIs, WebSocket, GraphQL, and state management solutions.</li><li>Establish coding standards, review PRs, and mentor junior developers.</li><li>Work closely with Design, Product, and Backend teams to deliver seamless end-to-end solutions.</li><li>Identify and resolve UI/UX issues, performance bottlenecks, and frontend defects.</li></ul>Required Technical Skills: 5+ years of professional experience in the React.js ecosystem.Expert-level skills in:<ul><li>React.js, React Hooks, Context API</li><li>Redux Toolkit / MobX / Zustand or equivalent state management</li><li>TypeScript and advanced JavaScript concepts</li><li>Component-driven architecture + reusable UI systems</li><li>Routing, dynamic rendering, client-side rendering strategies</li></ul>Deep understanding of:<ul><li>Web performance optimization and front-end design patterns</li><li>Modular and scalable UI design</li><li>Responsive design, grid systems, and cross-browser compatibility</li><li>Async programming, Promises, events, fetch/axios</li></ul>Strong experience with:<ul><li>Material UI, Ant Design, Tailwind, Styled Components, CSS-in-JS</li><li>WebSockets, REST APIs, GraphQL</li><li>Build tools like Webpack, Vite, Babel, or Turbopack</li></ul>Bonus Skills (Preferred)<ul><li>Experience with Next.js or other SSR frameworks.</li><li>Experience with micro-frontend architecture.</li><li>Knowledge of testing frameworks (Jest, Cypress, React Testing Library).</li><li>Experience building dashboards, multi-tenant applications, or enterprise systems.</li><li>Familiarity with CI/CD pipelines, Docker, cloud deployment, or DevOps.</li></ul>Soft Skills<ul><li>Problem-solving mindset with a strong attention to detail.</li><li>Self-driven, proactive, and able to take ownership of complex solutions.</li><li>Excellent communication and mentoring abilities.</li><li>Ability to work in a fast-moving environment with tight deadlines.</li></ul>What We Offer<ul><li>Opportunity to work on modern products and large-scale systems.</li><li>High autonomy, fast-moving environment, and ownership of product decisions.</li><li>Collaborative engineering culture and room to grow technically.</li></ul>Other Details:Experience: 5+ years &#65279;Location: Karachi (on-site) &#65279;Days &amp; Timings: Monday - Friday 12:00 PM - 9:00 PMApply at jobs@hrways.co (not com)&#65279;&#65279;About HR Ways: &quot;HR Ways is an award-winning Technical Recruitment Firm helping software houses and IT Product companies internationally and locally to find IT Talent. HR Ways is engaged by 300+ Employers worldwide, ranging from the world's biggest SaaS Companies to the most competitive Startups. We have entities in Dubai, Canada, the US, the UK, Pakistan, India, Saudi Arabia, Portugal, Brazil, and other parts of the world. Join our WhatsApp Channel https://shorturl.at/983az to stay updated or visit www.hrways.co to know more.&quot;Job Type: Full-timeWork Location: In person

Senior Frontend (React) Developer

DentistFind

<div><h3 class="jobSectionHeader">Position: Senior Full-Stack Developer (Ruby on Rails + React.js)</h3><div>
Company: DentistFind</div><div>
Location: Remote (working in Eastern Time Zone)</div><div>
Company Overview: 
DentistFind is a leading marketing technology company based in Canada, with 14 years of expertise in empowering dental practices across the globe. Our mission is to facilitate seamless and sustainable growth for dental practices through our innovative PracticeFuel platform, which leverages data-driven digital marketing strategies and cutting-edge technology solutions. By focusing on increasing patient acquisition and retention, DentistFind provides a stable and prestigious work environment that offers opportunities for growth and international exposure.</div><h3 class="jobSectionHeader">
Why Join DentistFind?</h3><div>
At DentistFind, we believe in clarity over complexity, extreme ownership, and building systems that scale. As a rapidly growing dental marketing and technology partner, we empower dental practices with data-driven strategies, cutting-edge tools, and a relentless focus on measurable outcomes. Join us to be a part of a team that values innovation, efficiency, and client success.</div><h3 class="jobSectionHeader">
Job Overview:</h3><div>
We are seeking an experienced Senior Full-Stack Developer to lead the development and maintenance of our cutting-edge platform. The ideal candidate will have a strong background in Ruby on Rails, React.js, and AI coding skills, with proven expertise in server management, database optimization, and scalable architecture. This role requires a strategic thinker who can contribute to the continuous improvement of our technology and processes.</div><h3 class="jobSectionHeader">
Key Responsibilities:</h3><ul><li>
Backend Development: Develop, maintain, and optimize backend services using Ruby on Rails.</li><li>
Frontend Enhancement: Build and enhance responsive front-end interfaces using React.js.</li><li>
AI Integration: Implement and optimize AI-driven solutions within the platform.</li><li>
Server Management: Manage and troubleshoot server environments, preferably on AWS, DigitalOcean, or Heroku.</li><li>
Database Optimization: Design, implement, and optimize database schemas in PostgreSQL and maintain legacy systems using MongoDB.</li><li>
Performance Assurance: Ensure application performance, scalability, and security best practices.</li><li>
Cross-Functional Collaboration: Collaborate with design, QA, and product teams to deliver high-quality releases.</li><li>
Testing and Deployment: Implement automated testing, CI/CD pipelines, and code review best practices.</li><li>
Technical Documentation: Contribute to technical documentation and process improvement.</li></ul><h3 class="jobSectionHeader">
Required Skills and Qualifications:</h3><ul><li>
Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.</li><li>
5&ndash;7+ years of professional experience with Ruby on Rails.</li><li>
Strong experience building React.js frontends with reusable component architecture.</li><li>
Proficiency in AI coding and integrating AI-driven solutions.</li><li>
Solid understanding of RESTful APIs and GraphQL.</li><li>
Experience managing PostgreSQL and MongoDB databases.</li><li>
Proficiency in Linux-based server management (deployments, Nginx, Puma, background jobs, etc.).</li><li>
Experience with Git, CI/CD, and containerization (Docker, Kubernetes is a plus).</li><li>
Familiarity with Agile/Scrum workflows and collaborative development tools (Jira, Trello, GitHub).</li><li>
Relevant certifications in Ruby on Rails, cloud platforms (AWS, Azure, etc.), or AI technologies.</li></ul><h3 class="jobSectionHeader">
Preferred Qualifications:</h3><ul><li>
Experience with Sidekiq, Redis, or background job processing.</li><li>
Exposure to microservices architecture or modular monolith patterns.</li><li>
Understanding of frontend state management (Redux, Zustand, Recoil).</li><li>
Knowledge of testing frameworks (RSpec, Jest, Cypress).</li><li>
Experience with performance monitoring tools (New Relic, Datadog, Sentry).</li><li>
Contributions to open-source projects or a visible GitHub portfolio.</li><li>
Strong skills in AI coding and integrating machine learning models.</li></ul><h3 class="jobSectionHeader">
Ideal Candidate:</h3><ul><li>
A proactive problem-solver who thrives in a fast-paced, remote work environment.</li><li>
Someone who embraces challenges as opportunities for growth and innovation.</li><li>
A team player with excellent communication skills, ready to collaborate across departments.</li><li>
An individual committed to continuous learning and improvement.</li><li>
Strong expertise in AI coding and a passion for leveraging AI to enhance platform capabilities.</li></ul><h3 class="jobSectionHeader">
Company Culture &amp; Values:</h3><ul><li>
Analytical Decision Making: Data-driven strategies guide our decisions.</li><li>
Speed &amp; Agility: We prioritize efficiency and speed in execution.</li><li>
Strategic Focus: Long-term success through strategic actions.</li><li>
Continuous Improvement: Relentless pursuit of excellence and growth.</li><li>
Integrity &amp; Transparency: Building trust through honesty and accountability.</li><li>
Challenge-Oriented: Embracing challenges as opportunities for innovation.</li></ul><h3 class="jobSectionHeader">
What We Offer:</h3><ul><li>
Opportunity to work in a fast-paced, innovative environment.</li><li>
Ability to make a significant impact on the growth and success of dental practices.</li><li>
Professional development and growth opportunities.</li><li>
Collaborative and supportive remote work culture.</li></ul><h3 class="jobSectionHeader">
Work Environment and Work Hours:</h3><ul><li>
Set-up: Full-time, Remote</li><li>
Schedule: Monday-Friday, for 7.5 working hours between 6am and 5pm Eastern Standard Time Zone (EST).</li><li>
Shift options: 6 AM-2 PM (1st shift), 9 AM-5 PM (2nd shift)</li><li>
Remote Work Policy: At DentistFind, we embrace a remote work culture. As part of our commitment to maintaining productivity and accountability, we utilize a time-tracking tool that captures screenshots at random intervals. Candidates should be comfortable with this practice as part of our professional standards. If using a time tracking tool is not suitable for you, we encourage you to reconsider applying.</li></ul><h3 class="jobSectionHeader">
The Team:</h3><div>
Join a dynamic and diverse team spread across the globe, including regions like the Philippines, Nigeria, Pakistan, Indonesia, and India. As part of a remote-first organization, the team values open communication, collaboration, and a shared commitment to the company&rsquo;s mission. You will work closely with the CEO and various department heads, playing a pivotal role in ensuring alignment and advancing strategic objectives.</div><h3 class="jobSectionHeader">
How to Apply:</h3><div>
Interested candidates should submit their resume, cover letter, and any relevant portfolio pieces demonstrating their expertise and success stories. You are encouraged to apply directly through our official job board for a more streamlined application process. This ensures your application is reviewed promptly by our recruitment team. Click here to apply and become a part of our team.</div></div>

Senior Full-Stack Developer (Ruby on Rails + React.js) - Karachi, Pakistan

Paksa IT soloutions (Pvt.) Limited

Responsibilities <ul><li>Assist in developing web applications using PHP &amp; Laravel frameworks.</li><li>Support front-end development tasks using React.js (components, state management basics).</li><li>Assist in WordPress theme/plugin customization and content updates.</li><li>Debug and fix bugs in PHP backend, WordPress plugins, or React components.</li><li>Work with MySQL databases: write basic queries, fetch and manipulate data.</li><li>Collaborate with senior developers and follow coding standards (PSR standards for PHP).</li><li>Help with API integrations and testing.</li><li>Participate in code reviews and team meetings.</li><li>Maintain documentation for projects and modules you work on.</li></ul>Qualifications &amp; Skills <ul><li>Strong knowledge of PHP &amp; Laravel.</li><li>Familiarity with React.js front-end development.</li><li>Experience with WordPress (themes/plugins).</li><li>Working knowledge of MySQL and basic database management.</li><li>Bachelor&rsquo;s degree in Computer Science (BSCS) or equivalent.</li></ul>Experience: 1+ YearDays: Monday to SaturdayLocation: KarachiWhatsApp: +92 340 8391680Job Type: Full-timePay: Rs100,000.00 - Rs150,000.00 per monthEducation:<ul><li>Bachelor's (Required)</li></ul>Work Location: In person

Junior PHP Laravel Developer

Responsibilities <ul><li>Lead development of advanced web applications using PHP &amp; Laravel.</li><li>Design, build, and optimize APIs, backend logic, and database structures.</li><li>Manage React.js front-end development: components, state management, hooks, and</li><li>Develop &amp; customize WordPress themes, plugins, and integrations as per client needs.</li><li>Handle application deployments, performance optimization, and security hardening.</li><li>Troubleshoot complex issues across backend, front-end, and WordPress systems.</li><li>Mentor junior developers and guide code reviews.</li><li>Oversee full project lifecycle independently from planning to deployment.</li><li>Integrate third-party services and APIs, manage error handling, and ensure scalability.</li><li>Implement version control using Git and maintain proper branch strategies.</li><li>Maintain technical documentation for internal and client use.</li></ul>Qualifications &amp; Skills<ul><li>Expert-level command of PHP &amp; Laravel.</li><li>Strong experience with React.js (components, hooks, state management, routing).</li><li>Strong experience with WordPress theme/plugin development and customization.</li><li>Proficient in MySQL, REST API design, and version control (Git).</li><li>Understanding of security best practices and application performance optimization.</li><li>Bachelor&rsquo;s degree in Computer Science (BSCS) or equivalent.</li><li>Strong analytical, leadership, and communication skills.</li></ul>Experience: 3+ YearDays: Monday to SaturdayLocation: KarachiJob Type: Full-timePay: Rs100,000.00 - Rs150,000.00 per monthEducation:<ul><li>Bachelor's (Required)</li></ul>Work Location: In person

Senior PHP Laravel Developer

Explore 238+ React.js developer in Karachi this December. Find roles across top companies and apply now to boost your career.

238 react.js developer jobs IN Karachi

Full Stack Developer (React.js + .NET)

Full Stack Developer (React.js + .NET)

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Senior Frontend (React) Developer

Senior Full-Stack Developer (Ruby on Rails + React.js) - Karachi, Pakistan

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Senior PHP Laravel Developer