senior front end web developer

Golpik

Job Title: Front-End Developer (React.js / React Native) Location: Karachi (On-site) Job Type: Full-time Timings: 3:00 PM- 12:00 AM Experience Level: Mid to Senior (3&ndash;4 Years)Job OverviewWe are seeking a skilled and passionate Front-End Developer to join our dynamic development team. The ideal candidate will have hands-on experience in React.js and React Native, along with a strong foundation in front-end technologies. You&rsquo;ll work closely with designers and back-end developers to create intuitive, high-performance, and responsive web and mobile applications.Key Responsibilities<ul><li>Develop and maintain responsive, user-centric web and mobile interfaces using React.js and React Native.</li><li>Collaborate with UI/UX designers to translate designs into functional and visually appealing applications.</li><li>Write clean, efficient, and reusable code while ensuring technical feasibility of designs.</li><li>Optimize applications for maximum performance, scalability, and cross-browser compatibility.</li><li>Participate in code reviews and contribute to maintaining high-quality coding standards.</li><li>Stay up to date with emerging technologies, frameworks, and best practices in front-end development.</li><li>Troubleshoot, debug, and resolve complex issues efficiently.</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field.</li><li>3&ndash;4 years of proven experience as a Front-End Developer.</li><li>Strong proficiency in HTML5, CSS3, and JavaScript (ES6+).</li><li>Hands-on experience with React.js and React Native is a must.</li><li>Experience in responsive and mobile-first design.</li><li>Solid understanding of cross-browser compatibility, accessibility, and UI/UX best practices.</li><li>Excellent problem-solving, debugging, and communication skills.</li><li>Ability to work effectively in a collaborative, fast-paced environment.</li></ul>Job Type: Full-timePay: Rs60,000.00 - Rs120,000.00 per monthAbility to commute/relocate:<ul><li>Karachi Shahra-E-Faisal: Reliably commute or planning to relocate before starting work (Required)</li></ul>Experience:<ul><li>Front-End Development: 3 years (Required)</li></ul>Work Location: In person

Senior Front-End Developer

Bit Canny Technologies Pvt. Ltd.

Job Title :- Senior React JS DeveloperLocation :- Lords Building, Lords Sinha Road, Kolkata &ndash; On-site (Monday to Friday)Employment Type :- Full Time (Office Hours: Monday to Friday)Experience Required :- Minimum 3 years of professional experience in front-end development with React.js (or equivalent) required.Role Summary :-We are looking for a highly skilled and motivated Senior React JS Developer to join our team at our Kolkata office. In this role you&rsquo;ll be responsible for developing robust, scalable and high-quality web applications using React.js. You&rsquo;ll collaborate closely with product, UX/UI, backend teams and assist in building user-facing features, reusable components, and optimizing performance and user experience.Key Responsibilities :-<ul><li>Design, develop, test and deploy web applications and features using React.js and related front-end technologies (JavaScript/ES6+, HTML5, CSS3).</li><li>Build reusable UI components and front-end libraries for future use.</li><li>Translate design wireframes and prototypes into high-quality code with optimal performance across devices and browsers.</li><li>Collaborate with backend engineers to integrate RESTful APIs or GraphQL endpoints.</li><li>Work with UX/UI designers and product managers to conceptualise and implement intuitive user interfaces.</li><li>Optimize application performance (rendering, load time, responsiveness) and ensure best practices in front-end architecture.</li><li>Conduct code reviews, provide constructive feedback to other developers, mentor junior team members.</li><li>Maintain and improve existing code base: refactor, debug, resolve performance bottlenecks.</li><li>Stay up to date with latest front-end trends, tools, frameworks, and propose improvements to the tech stack and workflow.</li><li>Participate in agile development process: sprint planning, stand-ups, retrospectives.</li></ul>Required Skills &amp; Qualifications :-<ul><li>Bachelor&rsquo;s degree in Computer Science, Engineering or a related discipline &ndash; or equivalent professional experience.</li><li>Minimum of 3 years of experience in front-end development, with substantial hands-on experience using React.js.</li><li>Strong proficiency in JavaScript (ES6+), including DOM manipulation, object model, functional programming concepts.</li><li>Solid experience with React core concepts (components, state, props, hooks, context, lifecycle).</li><li>Experience with state management patterns/libraries such as Redux, Context API or equivalent.</li><li>Skilled in HTML5, CSS3 (including preprocessors such as SASS/LESS) and responsive/adaptive design.</li><li>Familiarity with build tools and bundlers (Webpack, Babel, npm/yarn) and version control (Git).</li><li>Experience integrating front-end with RESTful APIs (or GraphQL) and working with JSON.</li><li>Good understanding of cross-browser compatibility, performance tuning, web accessibility (WCAG) and responsive design best practices.</li><li>Excellent problem-solving skills, attention to detail, ability to work independently and as part of a team.</li><li>Strong communication skills and ability to work with cross-functional teams.</li></ul>Preferred (Nice to Have) :-<ul><li>Experience with TypeScript in a React environment.</li><li>Familiarity with testing frameworks/tools such as Jest, React Testing Library, Cypress.</li><li>Experience with UI component libraries (Material-UI, Ant Design, Tailwind CSS) or design systems.</li><li>Understanding of CI/CD pipelines, agile methodologies (Scrum/Kanban).</li><li>Knowledge of Node.js or backend fundamentals, micro-frontends, SSR (Next.js).</li><li>Previous experience mentoring or leading a small team.</li></ul>Work Schedule &amp; Location Notes :-<ul><li>This is an on-site role at our Kolkata office (Lords Building, Lords Sinha Road).</li><li>Work days: Monday to Friday.</li><li>Standard office hours; however, occasional flexibility during project deliveries may be required.</li></ul>What We Offer :-<ul><li>Opportunity to work on meaningful projects in a collaborative environment.</li><li>Professional development&mdash;we encourage staying updated with trends/tech and will support learning.</li><li>A dynamic team and office location in central Kolkata (Lords Sinha Road).</li><li>Competitive compensation (to be discussed) and benefits as per company policy.</li></ul>Job Types: Full-time, PermanentPay: From &#8377;40,000.00 per monthWork Location: In person

Senior React JS Developer

City Doctor Healthcare

Job Title: Front-End DeveloperAbout Us:City Doctor is a leading healthcare platform focused on delivering innovative medical services to urban communities. We&rsquo;re committed to making healthcare more accessible, efficient, and personalized. Our platform is rapidly expanding, and we need talented, creative, and enthusiastic Front-End Developers to help us shape the future of digital healthcare experiences.As a Front-End Developer at City Doctor, you will play a key role in building the user-facing aspects of our web and mobile applications, ensuring an intuitive, seamless, and responsive experience for our patients and healthcare professionals.Key Responsibilities:<ul><li>UI/UX Development: Collaborate with UI/UX designers to translate design wireframes into high-quality code, ensuring seamless user experiences across devices.</li><li>Responsive Web Design: Develop responsive and adaptive user interfaces, ensuring applications perform optimally on various devices (mobile, tablet, desktop).</li><li>Code Implementation: Write clean, maintainable, and scalable code using modern JavaScript frameworks (e.g., React, Angular, Vue.js).</li><li>Collaborate with Backend: Work closely with back-end developers to integrate APIs and optimize the flow of data between the server and client-side applications.</li><li>Performance Optimization: Optimize web applications for maximum speed and scalability, delivering smooth performance even with large datasets.</li><li>Quality Assurance: Participate in code reviews and write unit tests to ensure the functionality and stability of your code.</li><li>Cross-Functional Collaboration: Work in an agile environment, collaborating with cross-functional teams including product managers, designers, and back-end engineers to meet deadlines and deliver user-focused solutions.</li><li>Stay Up-to-Date: Continuously explore new technologies, frameworks, and trends in front-end development to keep City Doctor&rsquo;s web presence ahead of the curve.</li></ul>Requirements:<ul><li>Experience:</li><li>5-8 years of professional experience in front-end development.</li><li>Strong portfolio or examples of web-based applications you&rsquo;ve developed or contributed to.</li><li>Technical Skills:</li><li>Proficient in HTML5, CSS3, and JavaScript.</li><li>Hands-on experience with front-end frameworks like React, Vue.js, or Angular.</li><li>Familiarity with CSS preprocessors like SASS or LESS.</li><li>Experience with version control systems (e.g., Git).</li><li>Knowledge of responsive design principles and mobile-first design.</li><li>Experience with front-end build tools like Webpack, Babel, or Gulp.</li><li>Familiarity with RESTful APIs and integrating them into web applications.</li><li>Soft Skills:</li><li>Strong problem-solving skills and attention to detail.</li><li>Excellent communication skills and ability to collaborate with both technical and non-technical stakeholders.</li><li>A proactive and self-motivated approach to work, with the ability to manage multiple priorities.</li><li>Passion for healthcare and a drive to contribute to impactful projects that improve the patient experience.</li></ul>Preferred Qualifications:<ul><li>Experience with TypeScript.</li><li>Familiarity with CI/CD pipelines.</li><li>Exposure to design tools like Figma or Sketch for collaboration with designers.</li><li>Understanding of web accessibility standards.</li><li>Experience in the healthcare or wellness sector (a plus but not required).</li></ul>Job Type: Full-timePay: AED9,000.00 - AED13,000.00 per month

Senior Frontend Developer

TalentGenie

Senior Full Stack Developer job responsibilities
 1. Work with development teams and product managers to ideate software solutions.
 2. Meet both technical and consumer needs.
 3. Design client-side and server-side architecture that can scale to thousands of end users.
 4. Ensuring responsiveness and cross-platform optimization for applications.
 5. Write technical documentation.
 6. Work with data scientists and analysts to improve software
 7. Diagnose and fix bugs and performance bottlenecks
 8. Maintain code and write automated tests to ensure the product is of the highest quality.
 9. Create security and data protection processes.
 10. Design and develop efficient APIs.
 11. Monitor & optimize application performance
 12. Staying abreast of developments in web applications and programming languages.
 13. Ability to quickly adapt and migrate code to most current technologies.
 
Job Specifications
 
1. 3+ years of proven experience working as a Full Stack Developer
 2. 5+ years of professional software development experience
 3. Strong organizational and project management skills
 4. Experience developing, mobile and web applications
 5. Proficiency with multiple front-end languages and frameworks (e.g. HTML, CSS,
 JavaScript, React, React Native)
 6. Knowledge of multiple back-end languagesNode JS, Python)
 7. Knowledge of AWS, Firebase, GIT and CI/CD tools.
 8. Hands-on experience with databases (e.g. Postgres, MongoDB)
 9. Excellent communication and teamwork skills
 10. An analytical mind with good problem solving skills and attention to detail.
 11. Degree in Computer Science, Statistics or relevant field

Sr. Fullstack Developer

Appgain

APPGIN is seeking a talented and passionate Mid-Level Frontend Developer to join our team on a part-time basis. As a key member of our development team, you will be responsible for building and maintaining high-quality, user-friendly web applications. You will collaborate with designers, backend developers, and other stakeholders to deliver exceptional user experiences.Responsibilities:<ul><li>Develop and maintain responsive web applications using HTML, CSS, and JavaScript.</li><li>Implement and maintain front-end frameworks (React or Node JS Next JS).</li><li>Collaborate with UI/UX designers to translate design mockups and prototypes into functional code.</li><li>Optimize web applications for speed, performance, and scalability.</li><li>Ensure cross-browser compatibility and responsiveness across various devices.</li><li>Write clean, well-documented, and maintainable code.</li><li>Participate in code reviews to ensure code quality and best practices.</li><li>Troubleshoot and debug front-end issues.</li><li>Stay up-to-date with the latest front-end development trends and technologies.</li><li>Contribute to the improvement of development processes and workflows.</li></ul>Qualifications:<ul><li>4+ years of professional experience as a Frontend Developer.</li><li>Solid understanding of HTML, CSS, and JavaScript, including ES6+ syntax.</li><li>Experience with one or more modern front-end frameworks (React or Node JS Next JS).</li><li>Familiarity with responsive design principles and mobile-first development.</li><li>Experience with version control systems (e.g., Git).</li><li>Understanding of web performance optimization techniques.</li><li>Strong problem-solving and debugging skills.</li><li>Excellent communication and collaboration skills.</li><li>Ability to manage time effectively in a part-time role.</li><li>Experience with state management libraries (e.g., Redux, Context API).</li><li>Knowledge of CSS preprocessors (e.g., Sass, Less).</li><li>Experience with testing frameworks (e.g., Jest, Cypress).</li><li>Familiarity with Agile development methodologies.</li><li>Understanding of web accessibility standards (WCAG).</li><li>Experience with RESTful APIs.</li></ul>Job Type: Part-time- RemoteJob Type: Part-timeExpected hours: 20 per weekEducation:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>React: 4 years (Preferred)</li><li>Node JS: 4 years (Preferred)</li><li>Next JS: 4 years (Preferred)</li></ul>

Mid-Level Frontend Developer P.T

Amazon.com

<div><h2 class="jobSectionHeader">DESCRIPTION</h2><div>
AmazonUI (AUI) is looking for a Senior Front End Engineer to modernize Amazon's front-end developer experience. AUI provides a library of front-end components, build tools, a templating engine, and runtime libraries used by thousands of engineers. 
 
AUI engineers have a range of skills but, as a team, we set the bar for engineering accessible features, deploying client-side code, generating HTML, and ultra-low JavaScript golf scores. Our customer base gives us incredible leverage and the spotlight is often on us. We think in terms of frameworks not features. We make tools and languages. Our products include the front end framework for Amazon, a JavaScript and CSS build system used by thousands, and a compiler for deploying markup templates across multiple languages. We value testability, maintainability, code quality, and cogent design.
 
 
Key job responsibilities 
Lead design and development of scalable, reusable UI components for Amazon&rsquo;s global shopping experience 
 
Architect performant, accessible, and modular front-end systems used across worldwide platforms 
 
Drive adoption of modern front-end technologies, standards, and best practices 
 
Integrate GenAI into development workflows to accelerate component creation and documentation 
 
Establish QA frameworks, performance monitoring, and accessibility standards for reliable releases 
 
Partner with design, product, and platform teams to deliver cohesive customer experiences 
 
Mentor engineers and promote a culture of technical excellence and innovation 
 
A day in the life 
<ul><li>You&rsquo;ll collaborate with designers and engineers to build next-generation UI components that power millions of customer experiences.</li><li>A typical day may involve designing a new pattern for AUI, integrating GenAI-assisted tools to generate component code or documentation, optimizing load performance for high-traffic pages, and reviewing code for accessibility and design consistency.</li><li>You&rsquo;ll work closely with partner orgs to align UI frameworks, share learnings, and evolve Amazon&rsquo;s front-end systems at scale.</li></ul></div><h2 class="jobSectionHeader">
BASIC QUALIFICATIONS</h2><ul><li>4+ years of non-internship professional front end, web or mobile software development using JavaScript, HTML and CSS experience</li><li>5+ years of front-end developer creating prototypes or wire-frames for enterprise web applications or workflows experience</li><li>Experience developing with MVC/MVM frameworks (e.g. React.JS, AngularJS, Vue)</li></ul><h2 class="jobSectionHeader">
PREFERRED QUALIFICATIONS</h2><ul><li>Knowledge of web services technologies such as SOAP, HTTP, WSDL, XSD, and REST</li><li>Experience in a broad range of software design approaches and common UX patterns.</li></ul> 
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. 
 
Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company&rsquo;s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. 
 
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. 
 
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you&rsquo;re applying in isn&rsquo;t listed, please contact your Recruiting Partner. 
 
Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $136,700/year in our lowest geographic market up to $261,500/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit https://www.aboutamazon.com/workplace/employee-benefits. This position will remain posted until filled. Applicants should apply via our internal or external career site.</div>

Senior Front End Engineer, Shopping Foundations

Pavago

Job Title: Senior Full Stack Developer
 Position Type: Full-Time, Remote
 Working Hours: U.S. client business hours (with flexibility for sprint cycles, deployments, and urgent fixes)
 
About the Role: 
Our client is seeking a Senior Full Stack Developer to design, develop, and maintain scalable web applications from front-end interfaces through back-end services and databases. This role is hands-on with code while also providing architectural guidance and mentoring junior developers. The Senior Full Stack Developer ensures products are fast, reliable, user-friendly, and maintainable while supporting growth and innovation.
 
Responsibilities:Front-End Development: 
<ul>
<li>Build modern, responsive UIs using React, Angular, or Vue.</li>
<li>Implement state management (Redux, Vuex, or Context API).</li>
<li>Ensure accessibility and cross-browser/device compatibility.</li>
</ul>
Back-End Development: 
<ul>
<li>Develop APIs and business logic in Node.js, Python (Django/Flask/FastAPI), or Java/Spring.</li>
<li>Design RESTful or GraphQL endpoints for client consumption.</li>
<li>Manage server-side rendering and optimize for performance.</li>
</ul>
Database & Data Layer: 
<ul>
<li>Design schemas and manage relational (Postgres, MySQL) and NoSQL (MongoDB, DynamoDB) databases.</li>
<li>Write optimized queries and manage migrations.</li>
<li>Implement caching strategies (Redis, Memcached).</li>
</ul>
Testing & Code Quality: 
<ul>
<li>Write unit, integration, and end-to-end tests using Jest, Mocha, Cypress, or PyTest.</li>
<li>Maintain high code coverage (≥80%) and follow style/linting rules.</li>
<li>Perform regular peer code reviews.</li>
</ul>
Collaboration & Agile: 
<ul>
<li>Work with product managers and designers to refine user stories into technical requirements.</li>
<li>Participate in sprint ceremonies (planning, standups, retrospectives).</li>
<li>Provide accurate effort estimates and technical feedback.</li>
</ul>
DevOps & Deployment (Lightweight): 
<ul>
<li>Use Git, GitHub/GitLab for version control and pull requests.</li>
<li>Deploy applications using CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins).</li>
<li>Manage cloud deployments on AWS, Azure, or GCP for applications (Elastic Beanstalk, App Engine, Lambda/serverless functions).</li>
</ul>
Mentorship & Leadership: 
<ul>
<li>Mentor junior and mid-level developers through code reviews and pair programming.</li>
<li>Contribute to long-term technical roadmap discussions.</li>
<li>Help enforce engineering best practices across the team.</li>
</ul>
What Makes You a Perfect Fit: 
<ul>
<li>Hands-on coder who thrives building features end-to-end.</li>
<li>Strong communicator who can collaborate with product and design teams.</li>
<li>Experienced balancing fast iteration with maintainable architecture.</li>
<li>Proactive mentor who raises the skill level of the team.</li>
</ul>
Required Experience & Skills (Minimum): 
<ul>
<li>5+ years full stack development.</li>
<li>Proficiency with JavaScript/TypeScript (React, Angular, Vue + Node.js).</li>
<li>Experience with at least one relational and one NoSQL database.</li>
<li>Familiarity with Git workflows and CI/CD.</li>
</ul>
Ideal Experience & Skills: 
<ul>
<li>SaaS, e-commerce, or enterprise web application development.</li>
<li>Experience with microservices and serverless architectures.</li>
<li>Exposure to infrastructure-as-code or lightweight DevOps (Terraform, Docker).</li>
<li>Industry background in fast-paced product environments.</li>
</ul>
What Does a Typical Day Look Like?
 A Senior Full Stack Developer’s day revolves around shipping features while maintaining performance and reliability. You will:
 <ul>
<li>Start with standup, reviewing sprint goals and prioritizing tickets.</li>
<li>Develop new features across front-end and back-end, from UI components to APIs.</li>
<li>Review and merge code, providing mentorship through constructive feedback.</li>
<li>Debug and optimize applications, resolving bugs or scaling bottlenecks.</li>
<li>Collaborate with designers and product managers to refine UX and feature requirements.</li>
<li>Deploy updates through CI/CD pipelines and monitor performance in production.</li>
<li>Document technical changes for future maintainability and onboarding.</li>
</ul>
In essence: you are both a hands-on builder and technical leader, ensuring applications are robust, scalable, and continuously improving.
 
Key Metrics for Success (KPIs): 
<ul>
<li>Features shipped on time and aligned with requirements.</li>
<li>Application uptime ≥ 99.9% with minimal performance issues.</li>
<li>Code coverage maintained ≥ 80%.</li>
<li>Reduced technical debt (tracked through code reviews/refactoring).</li>
<li>Positive feedback from peers and product stakeholders.</li>
</ul>
Interview Process: 
<ul>
<li>Initial Phone Screen</li>
<li>Video Interview with Pavago Recruiter</li>
<li>Technical Assessment (e.g., build a small feature end-to-end with API + UI + test coverage)</li>
<li>Client Interview with Engineering/Product Team</li>
<li>Offer & Background Verification</li>
</ul>

Senior Full Stack Developer

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