
Senior Full Stack JavaScript Developer (Tech Lead)
In Brief
Urgent Hiring • Re-location Required
Company Founded 2018 • 1-5 employees
Internet and Technology Startup • 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&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’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
- Develop, improve and optimize the structure, quality, and extensibility of current software technologies, codebases and databases
- Prototype ideas to quickly access viability and iterate based on feedback from the team
- Build robust, web-based applications interacting with databases, file-systems and APIs
- Write custom code or integrate open source technologies as needed to find solutions to problems
- Design and build effective APIs; Create servers and databases for functionality
- Design client-side and server-side architecture; Design the data model ensuring scalability
- Accurately translate screen designs into functional front-end code; Develop features and with a mobile responsive design
- Write high-quality, extensible, testable and reusable code and libraries; Conduct code reviews and establishment of best practices
- Participate in planning activities; Estimate accurate stores for new features and design product features
- Help define processes and build tools as needed to scale the solution and the team
- Create and lead the product road-map; Proactively breakdown work, manage development sprints, identify risks and explore solutions
- Test software to ensure responsiveness and efficiency; Troubleshoot, debug and upgrade software; Aggressive problem diagnosis and creative problem solving
- Steer the business on timescales, prioritization and costs on competing development requirements
- Drive rigorous, and weekly product releases and lead required integration efforts with partners and/or third-party software services
- Guide the development in design, architecture and platform choices with strong focus on quality, speed, stability and scalability
- 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
- 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..
Your qualifications
- Minimum of BSc in Computer Science/IT/Electronics/Software Engineering or a comparable degree program
- Proven experience of 2-5 years of full-stack development of web applications; 2+ years building front-end interfaces with React.js & Redux workflows and 2+ years building back-end and maintaining server applications on Node.js, PostgreSQL and designing APIs
- Expert in traditional web-dev stack (HTML5, CSS3, JS); Strong in core JavaScript (ES5, ES6, ESNext, TypeORM and Typescript) and JS object model
- Experience with Linux environments and using the shell and command line terminals (preferred)
- Professional coding experience in object-oriented and scripting languages; Extensive experience building client-side web applications using React
- Proficient with:
- JavaScript Frameworks (ReactJS/NextJS/Redux) and Node.js Frameworks (Express.js)
- Client-side MVC frameworks such as NodeJS, React JS, NextJS, Redux, and AngularJS; Knowledge of isomorphic React
- Configuration of various servers to run web application servers, databases, etc.; Web server technologies like Nginx, NodeJS, Apache, etc.
- Frontend CSS frameworks like Bootstrap, Material UI and preprocessors like SASS and SCSS/LESS
- Writing and integrating middleware; Experience with Redux Saga and Thunk
- Architecture, design, queries of Relational databases (PostgreSQL, MySQL and other RDBMS)
- Modern JS tooling (NPM, Webpack, Babel, ESLint and Prettier)
- Developer tools, such as Visual Studio Code
- Code versioning tools and Git version control systems (Github); Containerization systems (Docker)
- Strong in data structures, XML technologies, JSON parsing
- Caching frameworks and mechanisms, work-task queues, transactions and messaging queues (Redis, Memcached, RabbitMQ and others)
- Building real-time applications using Web Sockets (Socket.io)
- Web and mobile push notifications and cloud message APIs (GCM, APNS, OneSignal, etc.)
- Setting up cron jobs and schedule task execution
- Handling Services, RESTful, APIs, third party libraries and APIs (Google APIs, AWS, Zendesk, etc.)
- Experience with API gateway, distributed infrastructure architectures and applications tuning/profiling; Experience working with microservices
- User authentication and authorization between multiple systems, servers, and environments; Understanding of “session management” in a distributed server environment
- Experience with REST API and web service construction, integration and architecture and working with remote data via REST and JSON
- Knowledge of modern authorization mechanisms, such as JSON Web Token, Authentication and Security Technologies
- Familiarity with building secure systems (OWASP secure coding practices or similar)
- Architect and cloud-deploy applications on AWS and other cloud providers
- Deep understanding of Test-Driven Development (TDD)
- Build and manage end-to-end and UI tests; Experience writing tests (unit, integration, functional, etc.), and using testing frameworks
- Build third-party integrations like Slack, Stripe, Google and supporting their workflow
- Provision DevOps tooling with continuous integration; Build modern Front-end build pipelines and tools
- Contribute to API documentation including API description languages like Swagger; Document and diagram functional flows and architectures
- Experience in building rich PWA applications; Experience in responsive design, cross browser compatibility and website performance
- Understanding of how browsers and DOM work; Understanding and experience with asynchronous processing, partial page refresh, DOM traversal and manipulation
- Expert level using Web Analytics tools (Google Analytics and others); Experience with open source software development
- Experience with localization and internationalization of applications (working with multi-site setups, multi-language, i18n, etc.)
Some desired extras and good to have skills
- Knowledge of cyber-security, malware analysis, threat detection and/or sandboxing technology
- Preferably has knowledge of working in big data (Spark, Kafka, Hadoop) and machine learning ecosystems
- Strong background in security and data analytics and on-premise data experience
- Experience and familiarity with:
- Architecture, design, queries and aggregation of NoSQL databases (MongoDB, Cassandra and others)
- Elasticsearch and ELK stack
- Developing integrations for global OTAs
- OpenAPI
- Knowledge of multiple backend languages and framework
We offer you
- A unique entrepreneurial opportunity to build something from the ground up and scale it up to a major regionally recognizable brand
- A great learning curve in a collaborative environment with no barriers for initiatives
- 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.
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:
- 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
- An opportunity to build and manage a business unit from scratch and scale it up to success at a regional level
- Attract and retain top tech talent, mentor and manage the team as it grows
- Develop and manage KPIs for the tech team and create a challenging work environment
Have we caught your attention?
Send us your application including your resume, salary expectations and earliest starting date.
We’re looking forward to your application!

About Quesst Technologies
About
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&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.
Connect with the team
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MERN Stack Developer – Job Description
Position: MERN Stack Developer
Experience: 3 - 9 Years
Location: remote
Employment Type: Full-Time
Job Summary
We are looking for a skilled MERN Stack Developer to join our development team. The candidate will be responsible for designing, developing, testing, and maintaining scalable web applications using MongoDB, Express.js, React.js, and Node.js.
Key Responsibilities
- Develop and maintain web applications using the MERN stack.
- Build responsive and user-friendly interfaces using React.js.
- Develop scalable and secure backend APIs using Node.js and Express.js.
- Design and manage databases using MongoDB.
- Integrate third-party APIs and services.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Collaborate with UI/UX designers, developers, QA, and project managers.
- Participate in code reviews and follow development best practices.
- Ensure applications are secure, scalable, and performance-oriented.
Required Skills
- Strong knowledge of React.js, Node.js, Express.js, and MongoDB.
- Good understanding of JavaScript/ES6+.
- Experience with RESTful APIs.
- Knowledge of HTML5, CSS3, and responsive design.
- Familiarity with Git/GitHub.
- Understanding of authentication and authorization mechanisms such as JWT/OAuth.
- Good understanding of database concepts and query optimization.
- Strong problem-solving and communication skills.
Good to Have
- TypeScript experience.
- Redux/React Query.
- Experience with AWS or other cloud platforms.
- Knowledge of Docker and CI/CD.
- Experience with Agile/Scrum methodology.
Education
Bachelor's degree in Computer Science, IT, Engineering, or a related field is preferred.
Looking for full stack dev with more experience on the web/react/node side.
Exp : 3+ years
Job Description:
We are looking for a highly skilled full stack developer who is comfortable with both front and back-end programming. The person would be responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside backend developers for application’s features/ functionalities. The person would be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.
Skillsets required:
- Hands on experience in development using Angular/React, Node JS & Python or Django framework
- Should have experience in any Database and working knowledge on any major Cloud like AWS or Azure
- Must have Web Services/ API knowledge
- Exposure to Docker, Kubernetes and defining CI/CD pipeline for deployment of a project is an added advantage
- Knowledge of multiple front-end languages and libraries (e.g., HTML/ CSS, JavaScript, XML, jQuery) will be preferred
- Must be experienced in client interaction & mentoring the team.
Responsibilities:
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Build the front-end of applications through appealing visual design
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Check the platform to ensure responsiveness and efficiency
- Troubleshoot, debug, and upgrade the platform
- Create security and data protection settings
- Work with the analysts to improve the platform
• ReactJS, Service Workers, RestAPIs, Web Pack, React Hooks, State Management
• Completely Amazon Web Services (AWS) Cloud Environment (S3, API Gateway, CloudFront, AWS Lambda) with a strong focus towards Serverless
• Experience developing native applications for Android and iOS
• Experience in microservices
• Previous experience as a scrum master
• Experience with Terraform
• Experience in GraphQL
Skills & Qualifications: -
➢ 03 – 08 years of experience / proficiency in JavaScript and Python
➢ Experience in ReactJS and Redux, ES6, React Native
➢ Jest / experience in writing tests and test-driven development (Jest or Enzyme)
➢ Experience with AWS Lambda, DynamoDB and development of serverless applications
➢ Familiarity with Git and CI
➢ Familiar with DevOps processes, tools and processes (Cloud formation, Code Pipeline, Jenkins)
➢ Familiar with release pipeline on Android and iOS.
- Strong working knowledge of Typescript, MongoDB, MySQL, Express
- Strong proficiency in TypeScript, JavaScript including DOM manipulation and the JavaScript object model, ES6
- Hands-on experience in React JS
- Strong understanding of HTML5, CSS3
- Strong understanding of NodeJS fundamentals
- Knowledge and experience working with PostgreSQL is a major plus
- Experience with ORM libraries
- Familiarity with RESTful APIs
- Knowledge of tools like Git, GitHub, JIRA, Cucumber, Jasmine, and others that make coding more efficient and easier to share
- Familiarity of working in either the AWS Cloud or Azure including Docker + Kubernetes based microservice deployment.
- Own and evolve technology architecture and development stack of specific SaaS solution(s) while keeping in mind needs of business as usual, evolving product feature requirements, security, scalability & maintainability.
- Leading the engineering team consisting of developers and testers and ensure good delivery management to deliver the product roadmap with high speed and quality. To do this, one would need to do good estimation and oversight over team members work, while bringing automation and best practices to code management, testing and build & deployment processes.
- Innovation explore available technologies that may be useful to our context and run experiments and POCs to evaluate before adoption.
- Developing complex stories / requirements and solving the critical issues/initiatives through hands-on involvement.
- Help the team members in resolving difficult technical issues.
- Identifying project technical risks and providing technical expertise and ownership in the diagnosis and resolution of an issue, including the determination and provision of workaround solution or escalation.
- Providing technical leadership to fellow team members. Working as a guide and mentor to the rest of the team members.
- Competitive remuneration.
- Quarterly incentive basis KPI achievement.
- ESOPs as and when decided by the Board.
- Opportunity to work in an entrepreneurial environment.
- Opportunity to work in AWS Technologies and get AWS Certified.
- Great culture with friendly work environment.
- B.E. / B.tech from a reputed institute.
- 7+ years of overall technical experience.
- 2+ years of experience in tech leadership role.
- Experience in building enterprise level integration.
- Experience in SaaS product development would be added plus.
- Microservices, Spring Boot, Core Java, Struts 2.0, JPA & Hibernate.
- Strong knowledge of relational databases (MySQL preferred), including schema design & advanced queries.
- Fronted technologies - jQuery, JavaScript, CSS (Mandatory), Angular version 8+ (Mandatory).
- Experience in AWS Cloud platform & offerings (Preferred).
- Open sources - Redis/Memcached/RabbitMQ/Kafka/ELK/Git/Jenkins (Preferred).
Position description:
We’re looking for a senior full stack developer (MERN) with a proven experience to design and create software. The responsibilities will include coding both on the front and back-end, writing APIs, and React components.
Having an experience of web development using JavaScript, you should be able to create web applications from scratch. The ideal candidate should have experience of working in agile teams.
Primary Responsibilities:
- Participating in the design and creation of scalable software
- Writing clean, functional code on the front- and back-end
- Writing unit tests and fixing bugs or other coding issues
- Develop and manage well-functioning databases and applications
- Write effective APIs and react components
- Perform peer code reviews
Reporting Team
- Reporting Designation: Full Stack Development (KH_PPLS_PE_SPD.Full Stack Development)
- Reporting Department: Software Product Development (KH_PPLS_PE_SPD)
Required Certification/s:
Required work experience
- Industry: IT
- Role: Web Development
- Years of experience: 3 to 6
Key Performance Indicators:
- 3-6 years of industry work experience
- Proven experience as a Full Stack Developer or similar role
- 1+ years of web application development with JavaScript as full stack
- End-to-end full stack experience designing and building scalable applications
- Excellent JavaScript / Typescript skills
- Strong proficiency in React (hooks knowledge is plus)
- Strong proficiency in Nodejs
- Good HTML5 / CSS3 skills with expertise on responsive web design
- Must have development experience in Micro services using NodeJS and TypeScript
- Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework and Redis
- Experience with Web sockets and related frameworks (e.g. Socket.IO)
- Experience in using and developing GraphQL APIs
- Knowledge of code versioning tools such as Git, Mercurial or SVN.
- Open minded to take up any challenge, research and provide solutions –
Required Competencies:
- Great attention to detail
- Testing libraries – jest, testing-library is plus
- TDD / BDD experience is plus
- Experience with AWS, K8S is plus
- Familiar with SDLC methodologies like SCRUM, AGILE, Continuous Integration
Required Skills:
ReactJS, Node.JS, HTML, CSS, Javascript, NoSQL
The Senior Developer takes up the responsibility of delivery of assigned task with quality and within given timelines and delivers independently.
- Extensive knowledge of software development processes
• Strong knowledge on different programming languages/technologies
• Knowledge & experience of different coding practices
• Quality deliverables meeting Project specific/Industry specific standards
• Delivery within defined/agreed timelines
Java, Spring Boot, Microservices, JUNIT,
MySQL/Oracle, Javascript/Typescript,
HTML, Angular/ ReactJS
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4-7 years development experience |
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Thoroughly understands of OOP & design principles and patterns |
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Implements best coding practices (e.g. clean code) |
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Can write reusable functions, objects |
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Ensures proper error & exception handling, memory management |
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Experience in building scalable applications on different technologies & platforms |
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Understands application security, common attack vectors and how to code defensively |
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Experience in using CI/CD tools, can set up a build & deployment tool |
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Understands different configuration management tools |
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Knows the branching & Merging strategies, setting up repositories, etc. |
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Experieice in writing automation test cases |
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Can design a normalized DB schema, has good experience in using views, procedures, functions, triggers |
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Good knowledge of editors, debuggers, IDEs |
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Ability to prioritize the work as per the project needs |
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Experienced in Agile development methodology |
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We are looking for a lean MERN Stack developer who is specialized in developing JavaScript-based technologies i.e. MongoDB, ExpressJS, ReactJS, NodeJS. If you have that energy and passion to create impacts, we have the perfect job for you! Job has flexible or temporary work from home options.
Job Responsibilities-
- Requirement gathering, UML & Database modelling and documentation
- Building interactive consumer data from multiple systems and RESTfully abstract to the UI through a Node.js backend
- Defining code architecture decisions to support a high-performance and scalable product with a minimal footprint
- Address and improve any technical issues
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems.
Requirements-
- BSc degree in Computer Science or similar relevant field
- Previous working experience as a MERN Stack Developer for 3+ years
- Experience with modern frameworks and design patterns
- In depth knowledge of NodeJS, ExpressJS or Restify
- Experience of implementing applications using Angular or React
- Experience for creating front end applications using HTML5, CSS3 Angular, LESS/SASS
- Hands on experience with JavaScript Development on both client and server-side
- Knowledge of Functional Testing regarding Unit Testing, Integration Testing & End-to-End Testing is required
- Strong knowledge of Testing tools is required with subject to Jest and Enzyme, React Testing Library, Puppeteer (or PhantomJS, Nightmare or Headless Chrome) and Selenium WebDriver
- Rest API development, documentation and testing using tools like Postman
Knowledge of the following will be considered as an advantage-
- Requirements gathering, modeling, documentation and project management using Visual-paradigm.com
- Javascript based workflow engines and Flow-Based Programming
- Consumer Web Development Experience for High-Traffic, Public Facing web applications,
- Experience with cloud technologies
- Creating secure RESTful-based web services in XML and JSON, JavaScript, JQuery,
- Continuous integration (Jenkins/Hudson) and version control (SVN, Git).
- Converting UI and website designs (.psd, .xd, etc) into react components using Storybook.js and creating test cases with scripts; including documentation and automated visual testing
- React with WordPress Headless CMS using frameworks like Frontity.org
- org for authorization and access control models
- io microfrontend’s architecture framework for highly modular fully flexible applications
- Speech Recognition , voice interface , and other AI functionility
- React native mobile, Electron desktop application conversion
- Heroku Pipelines, Heroku: Browser and UAT, Heroku CI, DevOps tools and processes.







