
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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Responsibilities:
- Develop and maintain high-quality, efficient, and scalable backend applications.
- Participate in all phases of the software development lifecycle (SDLC)
- Write clean, well-documented, and testable code adhering to best practices.
- Collaborate with team members to ensure the successful delivery of projects.
- Debug and troubleshoot complex technical problems.
- Identify and implement performance optimizations.
- Participate in code reviews
- Hands-on experience with Springboot, Java 8 and above.
- 5-7 years of experience developing Java applications.
- Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
- Required React developer requirements, qualifications & skills:
- Proficiency in React.js and its core principles
- Strong JavaScript, HTML5, and CSS3 skills
- Experience with popular React.js workflows (such as Redux)
- Strong understanding of object-oriented programming (OOP) principles.
- Experience with design patterns and best practices for Java development.
- Proficient in unit testing frameworks (e.g., JUnit).
- Experience with build automation tools (e.g., Maven, Gradle).
- Experience with version control systems (e.g., Git).
- Experience with one of these databases – Postgres, MongoDb, Cassandra
- Knowledge on Retail or OMS is a plus.
- Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset
- Ability to reverse engineer existing/legacy and document findings on confluence.
- Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.
Job Description
We are seeking a skilled Full-stack developer. As a Full-stack developer, you will collaborate with an international cross-functional teams to design, develop, and deploy high-quality software solution.
Responsibilities:
Design, develop, and maintain the application.
Write clean, efficient, and reusable code.
Implement new features and functionality based on business requirements.
Participate in system and application architecture discussions.
Create technical designs and specifications for new features or enhancements.
Write and execute unit tests to ensure code quality.
Debug and resolve technical issues and software defects.
Conduct code reviews to ensure adherence to best practices.
Identify and fix vulnerabilities to ensure application integrity.
Working with the product owner to ensure seamless integration of user-facing elements.
Collaborating with DevOps teams for deployment and scaling.
Requirements:
Bachelor’s degree in computer science or information technology, or a related field.
Proven experience as a skilled Full-stack developer. Experience in Insurance domain is appreciated.
Excellent problem-solving and debugging skills.
Strong communication and collaboration abilities to work effectively in a team environment.
Strong experience with Spring Boot 3, Java 17 or newer and Maven.
Skills & Requirements
Angular 18+, GitHub, IntellJ IDEA, Java 11+, Jest, Kubernetes, Maven, Mockito, NDBX/ng-aquila, NGRX, Spring Boot, State Management, Typescript, Playwright, PostgreSQL, Sonar, Swagger, AWS, Camunda, Dynatrace, Jenkins, Kafka, NGXS, Signals, Taly.
The candidate must have :
1. Excellent problem solving and logical skills.
2. Highly proficient with Node JS and JavaScript design patterns.
3. Developing RESTful APIs that read and write JSON.
4. Experience with databases like MongoDB, Redis or any NoSQL databases.
5. Proficient understanding of code versioning tools, such as Git.
6. Experience with AWS, Elastic Search would be an added advantage.
7. Ability to plan, execute projects to deliver in time and with quality.
8. Highly motivated Individual to learn and to mentor project members.
9. Excellent Communication and collaboration skills.
Job description
We are looking for an experienced full stack developer, comfortable with both frontend and backend programming. You will be responsible for the development and maintenance of our web applications across the three products - Spectra, Drone Mission Ops and DronePass.
Spectra: An integrated drone data platform to visualize enterprise worksites and perform AI-powered analytics that helps teams plan better, construct faster, and sustain longer.
Drone Mission Ops (DMO): A full-stack drone flight solution that enables drone service providers, pilots, and enterprises to execute fast, accurate, and seamless drone missions
DronePass: Hardware module and integration solution that helps drone manufacturers, OEMs, and system integrators integrate their drones with Digital Sky for Unmanned Traffic Management.
Responsibilities
-
Build and deploy new tools to streamline the overall process flow as requirements develop
-
Explore new technologies and products to see how they can improve our products
-
Translate business requirements into technical specifications; communicate and get
stakeholder buy-in; iterate and refine
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Review, prepare and present design/code to colleagues
-
Coordinating with the extended development team and cross-functional teams
Skillset
Must have
-
Proficiency with JavaScript and Python
-
2+ years experience working on web applications (building, maintaining and debugging)
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2+ years experience working with either Django or Flask framework
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2+ years experience working with either VueJS or React framework
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Experience with databases such as PostgreSQL or MySQL or MongoDB
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Experience in design and implementation of ReST APIs
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Proficiency with Git version control
Good to have
-
Knowledge of TypeScript
-
Knowledge of GraphQL and PostGIS
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Knowledge in test-driven development: unit tests and integration tests
-
Experience with deployment tools such as Docker and CI/CD
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Experience with cloud services such as AWS or GCP
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Experience with map-related libraries such as GDAL, Geopandas, MapBox, Leaflet etc.
Develop new APIs, modify the existing API using Node.js, MongoDB, JavaScript..
Create new, modify existing web pages using React.js, JavaScript.
Support the current release, production issues with code fixes.
Work on new future releases, projects and deliver within timelines.
Setup the Servers with Node.js, MongoDB, React.js, etc. in the Linux environment.
𝐖𝐡𝐚𝐭 𝐜𝐚𝐧 𝐲𝐨𝐮 𝐞𝐱𝐩𝐞𝐜𝐭?
You will be part of the founding team at LDU and will be responsible for the end-to-end technology of the company including:
- Formulate long-term technology & product strategy along with implementation roadmap, while envisioning the tech-stack required to scale the business 100X
- Architecting and engineering solutions across the entire technology stack including front-end, back-end, infrastructure, architecture, server-side engineering, UI, etc. in line with the company's strategy.
- Plan and collaborate with the other teams including marketing/ growth, customer success/ sales, design, operations, etc. to implement new product features, growth hacks/ initiatives identified through user interviews/ insights, etc in a timely manner.
- Build processes/mechanisms to track the KPIs across product/ technology and ensure religious execution of the targets
- Build and lead the technology team including the engineering team, product team, Quality Assurance, etc.
- Awesome work-culture (flexible work timings; no need to wear formals; awesome snacks to name a few)
𝐖𝐡𝐚𝐭 𝐚𝐫𝐞 𝐰𝐞 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫?
We are looking to onboard a Senior Software Engineer, who has a founder's mindset including the following traits:
- Experience of full stack development across web & mobile based technologies and should have scaled a business
- Ability to build scalable products/ platforms, fully redundant fault-tolerant infrastructure while working on modern technologies.
- Stronghold in both front-end & back-end development/ algorithms with experience of building agile, highly scalable, data-driven platforms from scratch
- Ability to be hands-on with coding across big data, mobile apps, AI & ML, analytics, DevOps, business intelligent solutions, etc. apart from strategically guiding/ mentoring the team
- Ability to manage end-to-end delivery of large-scale initiatives from concept, scope, planning, estimation, project management, and deployment.
- Stronghold in executing stuff on the ground and hustle around to “Get things done”
- Ability to think and see the big picture while focusing on short term goals and deliverables
- Leadership qualities to hire and build a kick-ass technology/ product team going forward
- Experience as a founder/ being part of founding team is huge plus but not mandatory
- Experience in the Fashion/ Apparel industry is a plus but not mandatory
𝐀𝐛𝐨𝐮𝐭 𝐋𝐃𝐔:
- LDU is has been selected as one of the top 17 startups (amongst 1200+ startups in South-East Asia) by Lightspeed Venture Partners, one of the top VCs in the world. We are building India’s version of Stitch Fix – Personalized clothing (your size, your style) at Scale. We personalize the user experience by building a Designer layer for the user through technology. Also, we leverage technology to aggregate the highly unorganized and broken supply side of tailor-units/ boutiques/ small manufacturers etc.
- LDU is a pre-series A start-up and has closed two rounds of funding. We are backed by India's top VC and angels.
𝐅𝐀𝐐
- Full time role.
- Location: Gurgaon
- CTC : INR 24 Lacs (with hansome Esops/ Equity)
- Experience: Preferably 2-5 years
- Involvement in the entire lifecycle of a project, including strategy, vision, design, UX, coding,architecture, deployment etc. and you will chiefly deliver clean, testable and well-designed codefor the same.
- Coding new features, functionalities, modules, sub modules.
- Managing development cycle using SVN/Git or any other appropriate Version control Software.
- Enhancing existing features.
- Checking for cross-browser compatibility.
- Coding new features, functionalities, modules, sub modules.
- Meeting both technical and client needs.
Required Skillsets:
- Experience in product development using a broad range of programming technologies.
- Experience with MEAN (MongoDB, ExpressJS, AngularJS and NodeJS) stack.
- Experience with design/development of RESTful APIs.
- Strong understanding of the latest MVC frameworks and UI toolkits.
- Strong understanding of HTML5, CSS3, Javascript, AJAX and JSON.
- Working on any of the following Client Side MVC/MVVM frameworks: AngularJS, BackboneJS,KnockoutJS, JSON, JavaScript, Advance JavaScript, UI and UX design, Bootstrap, Ionic, and React.
- Good analytical and programming skills.
- Proactive thinking and a good team player.
- Working experience with micro services will be a given advantage.
Full-stack Developer Responsibilities:
o Integration of UI elements developed by front-end developers with server side logic
o Writing reusable, testable, and efficient code
o Design and implementation of low-latency, high-availability, and performance applications
o Implementation of security and data protection
o Integration of data storage solutions
Key skills expected:
o Strong proficiency with JavaScript
o Knowledge of Node.js and frameworks available for it
o Understanding the nature of asynchronous programming and its quirks and workarounds
o Knowledge on Hybrid application development platforms such as Electron, Cordova, Flutter
o Good understanding of server-side templating languages
o Good understanding of server-side CSS preprocessors
o Good understanding of front-end technologies, such as HTML5, CSS3 and Bootstrap
o Understanding accessibility and security compliance
o User authentication & authorization between multiple systems, servers, and environments
o Integration of multiple data sources and databases into one system
o Understanding fundamental design principles behind a scalable application
o Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
o Creating database schemas that represent and support business processes
o Implementing automated testing platforms and unit tests
o Proficient understanding of code versioning tools, such as Git
- About the Job
Upside Digital is looking for a brilliant mind to help build its portfolio FinTech Startup, https://www.instaval.co/">InstaVal. The role of the FS Developer is ideal for smart coders who have the technical expertise and passion to turn our vision into a living product.
- You will
- Work with product lines to implement functional & non-functional business requirements into working software, including APIs, web services, etc.
- Enhance existing web solutions to ensure scalability across customer's new business requirements.
- You have
- Good Communication Skills.
- Good personal work ethics and a well-rounded team player.
- Ability to own and start projects with the team and manage to deliver in timely manner.
- You’re skilled at
- Microsoft .NET Framework (C#).
- Web development (http://asp.net/">ASP.NET, web services, WCF, JavaScript, NodeJS, AngularJS, HTML5, CSS).
- MongoDB or Microsoft SQL, MySQL, NoSQL.
- Staying on top of technology trend and contribute to technical design throughout project.
5. Your Bonus to us
- Experience or familiar with a SaaS business.
- Past startup experience.
6. Why us?
- InstaVal is a tech-enabled Business Valuation and Deal Discovery Platform made to promote equity investments in early stage business.
- Our vision is (i) to empower founders and (ii) enable ecosystem stakeholders to efficiently deliver their set of investment advisory & support services.
- An opportunity for you to be part of a global disruptive startup in the corporate finance space.
- We encourage creative thinking, independent responsibilities for business results & team collaboration.
- We have lives outside of work.
7. Terms, Perks & Conditions
- Airtime: Full-time basis - five days a We’re not civil service officials neither.
- Compensation structure: Salary, Bonus, Equity.
- Location: Dubai,
- Unlimited paid time off as long as you get **** done.
- Start Period: November 2019








