Fullstack Developer

Job Title: Full Stack Developer (Node.js + React.js)

📍 Location: Gurgaon (On-site)

🕒 Experience: 5+ Years

🕒 Working Days: 5 Days(Mon-fri)

Job Summary:

We are hiring a passionate and experienced Full Stack Developer proficient in Node.js and React.js for our client. The ideal candidate should have solid experience in designing scalable systems, writing optimized code, implementing role-based access control, handling task prioritization, and building robust web applications.

Key Responsibilities:

• Design scalable user management systems with role-based access and authentication.
• Develop backend services and REST APIs using Node.js.
• Build dynamic and optimized front-end applications using React.js and Redux.
• Handle async operations, task queues, and implement retry and prioritization logic.
• Optimize React components for performance using hooks and memoization.
• Ensure secure and scalable system design with proper error handling and authorization flows.
• Apply JavaScript concepts like closures, event loop, and async patterns in real-world scenarios.
• Collaborate with DevOps for basic CI/CD and deployment processes.

Mandatory Technical Skills:

• Frontend: React.js, Redux, JavaScript (ES6+)
• Backend: Node.js, Express.js
• Authentication & Authorization: JWT, OAuth2, Role-Based Access Control (RBAC)
• Task Management: Async/Await, Promises, Retry Mechanisms
• Database: MongoDB or PostgreSQL
• Version Control: Git

Soft Skills:

• Strong problem-solving and system design skills
• Ability to work independently and in a collaborative team
• Clear communication of technical ideas
• Ownership of tasks and components end-to-end

Focus Areas:

• System Design (User Management, Fault Tolerance, Load Distribution)
• JavaScript Core Concepts (Closures, Scope, Event Loop)
• React Optimization & Hooks
• Node.js Architecture & Async Programming
• Task Prioritization and Retry Logic

1. Understanding of python backend development ,with Django ot flask frame work
2.  Design, build and maintain responsive front-end interfaces for applications
3. Collaborate with the rest of the engineering team to design and launch new features
4. Create REST APIs and integrating them with the frontend
5. Test software to ensure responsiveness and efficiency

Welcome to Thrillophilia ! 7 Million users come every month to plan their trips on Thrillophilia . We are your one stop solution to book your tours, activities, staycations and much more.

What should you be like?

• You are someone who can take ownership of things and deliver the assigned feature on time.
• You are always finding out new ways to optimize your code.
• You cannot live without writing tests for your feature.
• You always look forward to learning new technologies. Someone who would love spending his weekend hacking and learning new things.
• You never give up when you don’t find answers on StackOverflow, but go deeper into the Rails source code to exactly understand how a feature is working. 
• You have a passion for travel and an interest in building systems that will help fellow travelers.

Requirements:

• Good CS fundamentals and problem-solving skills
• 4+ years of experience in building scalable and maintainable web apps including 
• 2+ years of experience in Ruby on Rails
• 2+ years of experience in React.js
• Profound knowledge of HTML/CSS/JS
• Proficient in Git
• Solid knowledge of databases such as PostgreSQL, MYSQL
• Experience in designing database schema with proper use of indexes, constraints, triggers, etc.
• Hands-on experience with in-memory databases like Redis, Memcache, etc.
• Well-versed in writing raw SQL queries (not via ActiveRecord :P)
• Have worked with background job processing systems such as Sidekiq, Delayed Jobs, etc
• Solid Foundation and Understanding of REST APIs and have built robust, scalable APIs
• Hands-on experience in writing automated tests using RSpec or any other framework.
• An ability to communicate and work in a team

Bonus if:

• You have ever built a Ruby Gem or a JS library
• You have hands-on experience in DevOps
• You have hands-on experience with ElasticSearch/Redis
• You have used GCP services earlier 

• Building interactive consumer data from multiple systems and RESTfully abstracting to the UI through a Node.js backend
• Define 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

We enable humans & machines with internet connectivity at a price that they can afford.

The inspiration for Wifi Dabba came from the founders working together for the last decade in the mobile application industry and realising the biggest reason for user churn being access to cheap and affordable internet access. From having worked on ground onboarding users and facing poor connectivity issues all the time, we took it on ourselves to fix the internet access problem for the common citizen.

At Wifi Dabba (YC W17), we are building a low cost, scalable & distributed Wi-Fi infrastructure to connect next billion users online. We do this by deploying a grid of lasers (Free Space Optics) over the cities & town and bring cheap and fast internet for everyone. We enable anyone to buy 1 gig of data access at a time at a price they can afford. Sachetization of internet access is the foundation to rebuilding internet for all. We do this by leveraging crypto and blockchain to truly make internet infrastructure ownership distributed — our vision is to be connectivity layer for the Web3 world.

• You will get the chance to be an early team member at a fast-growth YC startup.
• You get to define the future of telecom infrastructure ownership and operations.
• We’re a tight-knit team where you'll learn a ton and have ownership.
• Opportunity to build for the next billion users.

• Strong engineering background preferably in Computer Science
• Experience architecting, developing, and testing full-stack code end-to-end
• Experience working with relational & NoSQL databases
• Experience with AWS services
• Experience working with MERN Stack, performing unit/feature testing, and managing REST APIs.
• Knowledge of front-end technologies including HTML5, CSS3, JavaScript, and jQuery.
• Knowledge of any one frontend framework/libraries like Angular/VueJs/ReactJS.
• Knowledge of code versioning tools like GIT, SVN.
• Experience in building user interfaces for websites and/or web applications.
• Experience in designing and developing responsive design websites with any frontend css frameworks like Bootstrap/Tailwind CSS.
• Build backend APIs and services that power new products that interact with Solana (or other) blockchains
• Build front-end Web3 interfaces that interact with your backend code
• Participate in design discussions with business users, web producers and engineering teams.
• Perform requirements analysis, high-level design, effort estimation for new business requirements and feature enhancements.
• Write clean, concise, and sustainable code.
• Team player who enjoys collaborative effort.

• Entrepreneurial mindset (we encourage all employees to be future founders and this can be a great stepping stone towards that)
• You’re passionate about crypto, Web3
• Customer-centric and passionate about working in a small & focused team
• Previous experience building/working in telecom software or infrastructure
• Previous experience building web3 project - DeFi / Blockchain infrastructure
• Previous experience at a high-growth, fast-paced startup

About Company

Obeikan Investment Group is a multi-national leader in packaging, education and health, with annual revenue of USD $1 billion. We're one of Saudi Arabia's 100 largest companies, with more than 3,000 employees and operations in 16 countries.

Job Location – Remote with an opportunity to move to Riyadh, Saudi Arabia

As a core member of the Software Development team, you will be responsible for the architecture, coding, development, testing and release of customer applications hosted both on-premise and on-cloud. Candidates with proven experience in both Frontend and Backend Development (predominantly Backend Development) with prior experience in deploying applications on AWS/Azure cloud will be preferred.

You will be leading a small team of developers (not more than 3 at a time) on a given project, and be a client-facing SPOC to work with the client and meet stringent deadlines. You will be responsible for Coding and Development with a code coverage of minimum 90%. You will adhere to coding and security standards and ensure that your delivery is secure and free from any critical, high and medium-rated vulnerabilities.