javascript developer

Quesst Technologies

<div>In Brief 
Urgent Hiring &bull; Re-location Required 
Company Founded 2018 &bull; 1-5 employees 
Internet and Technology Startup &bull; Bootstrapped
About us 
Based out of Egypt and with presence in the GCC, Quesst Technologies is an early Internet and Tech Startup committed to helping thousands of nationals, residents and travelers in the MENA region, saving them time and effort in seeking reliable and credible knowledge within their communities and localities. 
Quesst, the company's flagship platform, is a hyper-local Q&amp;A and knowledge sharing platform that offers the necessary infrastructure for users seeking information to meet, share, engage and interact with one another and with verified subject matter experts.

Who we're looking for 
Ideally the successful candidate will have experience in the start-up world and is in a position for a new challenge to take this company to the next level. Someone who is passionate about delivering a scalable and highly performant state-of-the-art cloud-based platforms built with technologies utilizing the JavaScript ecosystem, AI/ML and the latest web technologies to help solve exciting real world problems. 
We are looking for an agile and entrepreneurial leader with strong people leadership and technical capability who has a problem-solving and analytical aptitude, excellent communication and presentation skills, is familiar with statistics, has a business acumen, independent, positive can-do attitude, and passion for excellence to the workplace.

Your role and our tech stack 
Reporting to the founder, you will be expected to develop, deploy and oversee the execution of the tech strategy, product road-map and operations to ensure alignment with our businesses goals as we grow and scale. You will play a key part in the organisation's success, taking the current MVP and developing it further to move the company through to early stage funding and into profit.

Quesst's is built using React.js [Frontend], Node.js [Backend], PostgreSQL [DB], Amazon EC2 [Application Hosting], Amazon S3 [Media Storage Service], and Amazon SES [Email Sending Service]. You will be responsible for implementing full-stack features and collaborate with other team members to plan each sprint. You&rsquo;ll be working across the entire system architecture and be responsible for designing, implementing and maintaining restful APIs, micro-services and databases.

Your key responsibilities
<ul><li>
Develop, improve and optimize the structure, quality, and extensibility of current software technologies, codebases and databases</li><li>
Prototype ideas to quickly access viability and iterate based on feedback from the team</li><li>
Build robust, web-based applications interacting with databases, file-systems and APIs</li><li>
Write custom code or integrate open source technologies as needed to find solutions to problems</li><li>
Design and build effective APIs; Create servers and databases for functionality</li><li>
Design client-side and server-side architecture; Design the data model ensuring scalability</li><li>
Accurately translate screen designs into functional front-end code; Develop features and with a mobile responsive design</li><li>
Write high-quality, extensible, testable and reusable code and libraries; Conduct code reviews and establishment of best practices</li><li>
Participate in planning activities; Estimate accurate stores for new features and design product features</li><li>
Help define processes and build tools as needed to scale the solution and the team</li><li>
Create and lead the product road-map; Proactively breakdown work, manage development sprints, identify risks and explore solutions</li><li>
Test software to ensure responsiveness and efficiency; Troubleshoot, debug and upgrade software; Aggressive problem diagnosis and creative problem solving</li><li>
Steer the business on timescales, prioritization and costs on competing development requirements</li><li>
Drive rigorous, and weekly product releases and lead required integration efforts with partners and/or third-party software services</li><li>
Guide the development in design, architecture and platform choices with strong focus on quality, speed, stability and scalability</li><li>
Identify and establish best practices and frameworks keeping in mind parameters of performance, responsiveness, security, maintainability, extensibility, and reuse; Work collaboratively in a lean and agile environment; Write technical documentation</li><li>
Recommend and implement new technologies, improvement of existing tech and set-up and future-proofing our technology that can help the company optimize efficiency and productivity and lead edge thinking and knowledge of innovative technologies i.e. AI, ML, blockchain, etc..</li></ul>

Your qualifications
<ul><li>
Minimum of BSc in Computer Science/IT/Electronics/Software Engineering or a comparable degree program</li><li>
Proven experience of 2-5 years of full-stack development of web applications; 2+ years building front-end interfaces with React.js &amp; Redux workflows and 2+ years building back-end and maintaining server applications on Node.js, PostgreSQL and designing APIs</li><li>
Expert in traditional web-dev stack (HTML5, CSS3, JS); Strong in core JavaScript (ES5, ES6, ESNext, TypeORM and Typescript) and JS object model</li><li>
Experience with Linux environments and using the shell and command line terminals (preferred)</li><li>
Professional coding experience in object-oriented and scripting languages; Extensive experience building client-side web applications using React</li><li>
Proficient with:<ul><li>
JavaScript Frameworks (ReactJS/NextJS/Redux) and Node.js Frameworks (Express.js)</li><li>
Client-side MVC frameworks such as NodeJS, React JS, NextJS, Redux, and AngularJS; Knowledge of isomorphic React</li><li>
Configuration of various servers to run web application servers, databases, etc.; Web server technologies like Nginx, NodeJS, Apache, etc.</li><li>
Frontend CSS frameworks like Bootstrap, Material UI and preprocessors like SASS and SCSS/LESS</li><li>
Writing and integrating middleware; Experience with Redux Saga and Thunk</li><li>
Architecture, design, queries of Relational databases (PostgreSQL, MySQL and other RDBMS)</li><li>
Modern JS tooling (NPM, Webpack, Babel, ESLint and Prettier)</li><li>
Developer tools, such as Visual Studio Code</li><li>
Code versioning tools and Git version control systems (Github); Containerization systems (Docker)</li><li>
Strong in data structures, XML technologies, JSON parsing
</li><li>Caching frameworks and mechanisms, work-task queues, transactions and messaging queues (Redis, Memcached, RabbitMQ and others)</li><li>
Building real-time applications using Web Sockets (Socket.io)</li><li>
Web and mobile push notifications and cloud message APIs (GCM, APNS, OneSignal, etc.)</li><li>
Setting up cron jobs and schedule task execution</li><li>
Handling Services, RESTful, APIs, third party libraries and APIs (Google APIs, AWS, Zendesk, etc.)</li></ul></li></ul>
<ul><li>Experience with API gateway, distributed infrastructure architectures and applications tuning/profiling; Experience working with microservices</li><li>
User authentication and authorization between multiple systems, servers, and environments; Understanding of &ldquo;session management&rdquo; in a distributed server environment</li><li>
Experience with REST API and web service construction, integration and architecture and working with remote data via REST and JSON</li><li>
Knowledge of modern authorization mechanisms, such as JSON Web Token, Authentication and Security Technologies</li><li>
Familiarity with building secure systems (OWASP secure coding practices or similar)</li><li>
Architect and cloud-deploy applications on AWS and other cloud providers</li><li>
Deep understanding of Test-Driven Development (TDD)</li><li>
Build and manage end-to-end and UI tests; Experience writing tests (unit, integration, functional, etc.), and using testing frameworks</li><li>
Build third-party integrations like Slack, Stripe, Google and supporting their workflow</li><li>
Provision DevOps tooling with continuous integration; Build modern Front-end build pipelines and tools</li><li>
Contribute to API documentation including API description languages like Swagger; Document and diagram functional flows and architectures</li><li>
Experience in building rich PWA applications; Experience in responsive design, cross browser compatibility and website performance</li><li>
Understanding of how browsers and DOM work; Understanding and experience with asynchronous processing, partial page refresh, DOM traversal and manipulation</li><li>
Expert level using Web Analytics tools (Google Analytics and others); Experience with open source software development</li><li>
Experience with localization and internationalization of applications (working with multi-site setups, multi-language, i18n, etc.)</li></ul>

Some desired extras and good to have skills
<ul><li>
Knowledge of cyber-security, malware analysis, threat detection and/or sandboxing technology</li><li>
Preferably has knowledge of working in big data (Spark, Kafka, Hadoop) and machine learning ecosystems</li><li>
Strong background in security and data analytics and on-premise data experience</li><li>
Experience and familiarity with:<ul><li>
Architecture, design, queries and aggregation of NoSQL databases (MongoDB, Cassandra and others)</li><li>
Elasticsearch and ELK stack</li><li>
Developing integrations for global OTAs</li><li>
OpenAPI</li></ul></li><li>
Knowledge of multiple backend languages and framework
</li></ul>
We offer you
<ul><li>
A unique entrepreneurial opportunity to build something from the ground up and scale it up to a major regionally recognizable brand</li><li>
A great learning curve in a collaborative environment with no barriers for initiatives
</li><li>Leading compensation package including salary free of local taxes, accommodation allowance for local hire or shared accommodation for international hire, free medical care from company physician, free government healthcare membership, transport allowance, paid airfare to the country of origin, paid leave and end of service according to local labor law.</li></ul>

Your professional career growth opportunities 
As you help us grow Quesst, we will help you grow and professionally develop. Joining us at this stage, you will have the opportunity to be part of the core team if you prove you have what it takes and will be given the opportunity to:
<ul><li>
Lead and develop a technical strategy for the company, which involves goal setting, discussing options, and analyzing risks with the management team, CEO and board members</li><li>
An opportunity to build and manage a business unit from scratch and scale it up to success at a regional level</li><li>
Attract and retain top tech talent, mentor and manage the team as it grows</li><li>
Develop and manage KPIs for the tech team and create a challenging work environment</li></ul>

Have we caught your attention? 
Send us your application including your resume, salary expectations and earliest starting date. 
We&rsquo;re looking forward to your application!</div>

Senior Full Stack JavaScript Developer (Tech Lead)

TX Dynamics (Pvt) LTD

Job Description:We are seeking a highly skilled JavaScript Engineer with a strong focus on frontend development. The ideal candidate should have expertise in modern JavaScript (ES6 and beyond) and a proven track record of working with vanilla JavaScript and essential frontend development tools. This role offers an exciting opportunity to work on dynamic, web-based projects in a collaborative environment.Responsibilities:<ul><li>Develop and maintain user-facing features for web applications using JavaScript (ES6/ES6+).</li><li>Build reusable code and libraries for future use.</li><li>Optimize application performance and ensure cross-browser compatibility.</li><li>Collaborate with designers and backend developers to deliver seamless and interactive web experiences.</li><li>Debug and troubleshoot issues using web-based debuggers and browser tools.</li><li>Implement build processes using tools like Webpack and Babel to ensure efficient and scalable code.</li><li>Utilize version control systems, particularly Git, for collaborative development.</li><li>Stay updated on industry trends and best practices to ensure the use of modern, innovative technologies.</li></ul>Requirements:<ul><li>3+ years of hands-on experience in frontend development using vanilla JavaScript.</li><li>Strong understanding of JavaScript ES6/ES6+ features and principles.</li><li>Proficient with Webpack and Babel for module bundling and code transpilation.</li><li>Experience with web-based debuggers and browser developer tools for efficient debugging.</li><li>Familiarity with version control systems, particularly Git.</li><li>Strong problem-solving skills with a keen attention to detail.</li><li>Excellent communication and teamwork skills.</li></ul>Preferred Skills (Optional):<ul><li>Experience with modern JavaScript frameworks or libraries is a plus but not mandatory.</li><li>Understanding of responsive design and accessibility standards.</li></ul>Perks &amp; Benefits:Why Join TX Dynamics?<ul><li>Competitive Pay</li><li>We reward your talent with a lucrative package and exciting incentives.</li><li>Fast-Track Your CareerWork with global clients and gain exposure to international markets.</li><li>Global Projects, Global ImpactCollaborate with businesses in the USA, UK, Europe &amp; Middle East.</li><li>Learn. Grow. Succeed.Upskill with mentorship, workshops, and cutting-edge tools.</li><li>A Culture That Values YouBe part of a team where your ideas matter and your success is celebrated.</li><li>Modern Workspace + PerksEnjoy team dinners, celebrations, and recognition programs in a vibrant office.</li><li>Join a Company on the RiseShape your future with us as we grow in the global IT market.</li></ul>Job Type: Full-timePay: Rs150,000.00 - Rs180,000.00 per monthWork Location: In person

Java Script Engineer

LeopardRuns Innovation & Technology

Leopardruns Innovation &amp; Technology is Hiring: Angular &amp; JavaScript Web Developer (With Video Creation Skills)We are looking for a skilled Web Developer who has strong hands-on experience in Angular &amp; JavaScript and can also create engaging web development demo/tutorial videos.Develop responsive web applications using AngularWrite clean &amp; scalable JavaScript codeCreate screen-recorded project/demo videosExplain technical concepts clearlyRequirements:Experience with Angular (2+) &amp; JavaScriptStrong HTML, CSS knowledgeGood communication skillsPortfolio/GitHub requiredLocation: Bhopal ( On- site )Interested candidates can DM or share CV at: 8827674630For Company details - https://leopardruns.com/Job Types: Full-time, PermanentPay: ₹15,500.00 - ₹24,000.00 per monthEducation:<ul><li>Bachelor's (Preferred)</li></ul>Work Location: In person

AngularJS Developer

FitMatch Consulting Group

Job Title: Senior WordPress Developer (JavaScript-Focused)Location: Remote / International Projects Experience Required: 4&ndash;7+ Years Employment Type: Full-Time / ContractAbout the RoleWe are looking for a highly skilled Senior WordPress Developer with strong expertise in JavaScript to lead the development of high-performance, scalable, and secure web solutions. This role requires deep technical knowledge of WordPress architecture, modern JavaScript frameworks, and custom development for enterprise-level projects.Key Responsibilities<ul><li>Design, develop, and maintain custom WordPress themes and plugins</li><li>Build dynamic front-end interfaces using JavaScript (ES6+)</li><li>Integrate third-party APIs and services</li><li>Optimize website performance, security, and scalability</li><li>Customize WordPress using hooks, filters, and core APIs</li><li>Develop Gutenberg blocks and custom components</li><li>Implement REST APIs and headless WordPress solutions</li><li>Collaborate with UI/UX designers, backend teams, and project managers</li><li>Lead junior developers and conduct code reviews</li><li>Ensure best practices in coding standards, version control, and deployment</li></ul>Required Skills &amp; QualificationsCore WordPress Skills<ul><li>Advanced knowledge of WordPress core, themes, plugins, and architecture</li><li>Custom plugin &amp; theme development</li><li>WooCommerce customization</li><li>WordPress security &amp; performance optimization</li><li>ACF, CPT, taxonomies, multisite setups</li></ul>JavaScript Expertise<ul><li>Strong command of JavaScript (ES6+)</li><li>Experience with React.js / Vue.js / Next.js (any one preferred)</li><li>AJAX, REST APIs, JSON handling</li><li>Gutenberg block development (React-based)</li></ul>Technical Stack<ul><li>PHP (OOP, MVC concepts)</li><li>HTML5, CSS3, SASS, Tailwind, Bootstrap</li><li>MySQL / Database optimization</li><li>Git / GitHub / GitLab</li><li>CI/CD pipelines</li><li>Webpack / Vite / NPM</li></ul>Nice to Have<ul><li>Headless WordPress experience</li><li>GraphQL</li><li>Docker / DevOps basics</li><li>Cloud hosting (AWS, Vercel, Cloudflare, DigitalOcean)</li><li>SEO &amp; Core Web Vitals optimization</li></ul>What We Offer<ul><li>Work on international high-revenue projects</li><li>Remote-first environment</li><li>Performance-based growth</li><li>Leadership role &amp; technical ownership</li><li>Long-term career growth</li><li>Competitive compensation (USD-based projects)</li></ul>Job Type: Part-timeExpected hours: No less than 20 per weekWork Location: Remote

Senior Wordpress Developer

CrossWorkers

<div>About the Job: 
 
Title: Senior Frontend Developer (Advanced Visualization / 3D Focus)
Industry: IT Software
Reporting Line: Engineering Manager / Service Delivery Manager
Position Type: Full Time
Location: Cairo Office
We are seeking an experienced and highly technical Senior Frontend Developer with a strong focus on advanced data visualization and 3D interactive web applications. This role is ideal for someone passionate about building complex, performance-driven interfaces that handle real-time and high-volume data.<h3 class="jobSectionHeader">
Key Responsibilities</h3>
Advanced Frontend &amp; Visualization Development:<ul><li>
Build complex, visualization-heavy web applications using ReactJS and TypeScript</li><li>
Develop interactive 3D components and graphical interfaces for rich user experiences</li><li>
Implement advanced visual elements using D3.js, SVG, Canvas, and similar technologies</li><li>
Optimize rendering performance for smooth, high-performance applications</li></ul>
Data &amp; System Integration:<ul><li>
Integrate real-time and high-volume data streams into frontend applications</li><li>
Work closely with backend, IoT, and data teams to ensure seamless data flow</li></ul>
Collaboration &amp; Delivery:<ul><li>
Participate in Agile delivery models including Scrum and Kanban</li><li>
Collaborate with product, design, and engineering teams to deliver scalable solutions</li><li>
Contribute to code reviews and continuous improvement initiatives</li></ul><h3 class="jobSectionHeader">
Required Skills</h3><ul><li>
Strong experience with ReactJS and TypeScript</li><li>
Advanced proficiency in JavaScript (ES6+)</li><li>
Hands-on experience with data visualization libraries such as D3.js, SVG, and Canvas</li><li>
Experience with 3D frameworks like BabylonJS, Potree, or similar</li><li>
Strong API integration experience (RESTful services, real-time data handling)</li></ul><h3 class="jobSectionHeader">
Nice to Have</h3><ul><li>
Experience working with IoT platforms or real-time systems</li><li>
Exposure to Microsoft Azure cloud services</li><li>
Familiarity with performance profiling and rendering optimization techniques</li></ul><h3 class="jobSectionHeader">
What We Offer</h3><ul><li>
Competitive salary package</li><li>
Social &amp; medical insurance</li><li>
Flexible working environment</li><li>
Career growth and professional development</li><li>
Collaborative and innovative culture</li><li>
Modern technical tools and infrastructure</li></ul></div>

Senior Frontend Developer (Advanced Visualization / 3D Focus)

Gyanmatrix Technologies Pvt. Ltd.

<div><div><div><div><h3 class="jobSectionHeader">Job description</h3></div><div><div>
<div>
<div>We are looking for a React Native Developer, who is motivated to combine the art of design with the art of programming. Responsibilities will include implementing visual elements and their behaviours with user interactions. You will also be bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions.
</div>
</div></div></div></div></div><div></div><div><div><div><h3 class="jobSectionHeader">Mandatory skills &amp; Responsibilities</h3></div><div><ul>
<li><div>Designing, deploying, and managing web and mobile applications that can run on multiple platforms.</div>
</li><li><div>Utilizing React Native to design and develop UI components for web and mobile apps based on JavaScript.</div>
</li><li><div>Writing effective, scalable, and reusable JavaScript code can help create interchangeable front-end modules.</div>
</li><li><div>Improving front-end performance by diagnosing and fixing all system errors and bugs.</div>
</li><li><div>Collaborating with design, development, and customer service teams to properly understand client requirements and build top-notch apps within the stipulated time and budget.</div>
</li><li><div>Using other JavaScript libraries (like &ldquo;Redux&rdquo;) to make asynchronous API calls and enhance website/mobile app performance.</div>
</li><li><div>Creating plans to transition React-based web and mobile apps to React Native.</div>
</li><li><div>Planning the data and presentation layer for the front end of all applications.</div></li></ul></div></div></div></div><div></div>

React Native Developer

<div>
 <ul>
 <li>
 Previous experience working as a react.js developer.
 </li>
 <li>
 In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
 </li>
 <li>
 Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
 </li>
 <li>
 Experience with user interface design.
 </li>
 </ul>
</div>

Associate - Business Analyst-Application Development-Full Stack Developer

Search 1213+ Javascript developer jobs near you this February. New roles added regularly across leading industries. Apply today.