Senior Software Engineer

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

Quidcash seeks a versatile full-stack developer to build transformative fintech applications from end to end. You ll leverage Flutter for frontend development and JavaScript/Python for backend systems to create seamless, high-performance solutions for Indian SMEs. This role

blends UI craftsmanship with backend logic, offering the chance to architect responsive web/mobile experiences while integrating financial workflows and AI-driven features. If you excel at turning complex requirements into intuitive interfaces, thrive in full lifecycle development, and are passionate about fintech innovation – join us!

What You’ll Do:

 Full-stack Development:

 Design and build responsive cross-platform applications using Flutter (Dart) for web and mobile native app development.

 Develop robust backend services with JavaScript (Node.js) and Python, applying OOP principles and RESTful/gRPC APIs.

 Integrations:

 Implement secure financial features (e.g., payment processing, dashboards, transaction workflows) with regulatory compliance.

 Connect frontend UIs to backend systems (databases, cloud APIs, AI/ML models).

 System Architecture: Architect scalable solutions using microservices, state management (Provider/Bloc), and cloud patterns (AWS/GCP).

Collaboration & Delivery:

 Partner with product, UX, and QA teams in Agile/Scrum cycles to ship features from concept to production.

Quality & Innovation:

 Enforce testing (unit/widget/integration), CI/CD pipelines, and DevOps practices.

 Explore AI/ML integration for data-driven UI/UX enhancements.

What You’ll Bring (Must-Haves):

Experience:

 3–5 years in full-stack development, including:

 Flutter (Dart) for cross-platform apps (iOS, Android, Web).

 JavaScript (Node.js + React/Express) and Python (Django/Flask).

 Experience with OOP, design patterns, and full SDLC in Agile environments.

Technical Acumen:

 Frontend:

 Flutter (state management, animations, custom widgets).

 HTML/CSS, responsive design, and performance optimization.

 Backend:

Node.js/Python frameworks, API design, and database integration (SQL/NoSQL).

 Tools & Practices:

 Cloud platforms (AWS/GCP/Azure), Docker, CI/CD (Jenkins/GitHub Actions).

 Git, testing suites (Jest/Pytest, Flutter Test), and financial security standards.

Mindset:

 User-centric approach with a passion for intuitive, accessible UI/UX.

 Ability to bridge technical gaps between frontend and backend teams.

 Agile problem-solver thriving in fast-paced fintech environments.

Why Join Quidcash?

 Impact: Play a pivotal role in shaping a product that directly impacts Indian SMEs' business growth.

 Innovation: Work with cutting-edge technologies, including AI/ML, in a forward- thinking environment.

 Growth: Opportunities for professional development and career advancement in a growing company.

 Culture: Be part of a collaborative, supportive, and brilliant team that values every contribution.

 Benefits: Competitive salary, comprehensive benefits package, and be a part of the next fintech evolution.

Job Title: MERN Stack Developer (5+ Years Experience)

Position: MERN Stack Developer

Location: Ahmedabad (On-Site)

Onshore Opportunity

Experience: 5 to 7

Joining: Immediate Joiners Preferred

Employment Type: Full-Time

About the Role

We are seeking a talented and experienced MERN Stack Developer to join our on-site team. As a key member of our development team, you will be responsible for building and maintaining high-performance web applications using MongoDB, Express.js, React.js, and Node.js.

Key Responsibilities

• Develop and maintain scalable, responsive web applications using the MERN stack
• Write clean, efficient, and well-documented code
• Integrate APIs and third-party services
• Work closely with UI/UX designers, QA, and product teams
• Optimize applications for maximum speed and scalability
• Perform code reviews and provide constructive feedback
• Debug and resolve technical issues and bugs
• Ensure cross-platform and cross-browser compatibility

Required Skills & Qualifications

• 5+ years of professional experience with the MERN stack
• Strong proficiency in JavaScript, ES6+, HTML5, and CSS3
• In-depth experience with React.js (including hooks, Redux, component lifecycle)
• Strong backend development skills using Node.js and Express.js
• Proficient in working with MongoDB, including aggregation, indexing, and schema design
• Experience with RESTful APIs and JSON
• Familiarity with Git and version control workflows
• Strong problem-solving and debugging skills
• Excellent communication and teamwork abilities
• 
  

Must-Have Experience

•  5+ years working professionally with the MERN stack
•  Has experience in a team lead role
•  Expertise in JavaScript (ES6+), HTML5, CSS3
•  Deep understanding of React.js (Hooks, Redux, lifecycle)
•  Backend development with Node.js & Express.js
•  Strong hands-on with MongoDB (schemas, indexing, aggregation)
•  API integration, Git, version control, and debugging

Preferred Qualifications

• Experience with deployment on AWS, Heroku, or similar cloud platforms
• Familiarity with containerization tools like Docker
• Experience with testing frameworks such as Jest or Mocha
• Knowledge of agile methodologies

Roles and Responsibilities 

1) Understand client requirements and functionalities. 

2) Write well-designed, testable, efficient code. 

3) Responsible for solving complex technical issues. 

4) Ensure quality projects are delivered within defined timelines. 

5) Active involvement in client communication to understand functional requirements. 

6) Maintain high standards of quality for code, documentation and other deliverables. 

Required Skills 

1) Good experience in React/Angular

2) Hand on Node.JS./Express JS 

3) Database : MYSQL/MongoDB 

4) Experience in Java Script, Typescript. 

5)Good experience in HTML5, CSS3, JavaScript, Jquery 

6) Experience working in an Agile environment. 

7) Good communication skills.

Sr Software Engineer

Opportunity in this role / Why should you join our client?

- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading food tech unicorn company

- ESOPs in the company

Requirements

- Strong coding and problem-solving skills

- 4-6 years of industry experience

- Bachelors and/or master’s degree, preferably in CS, or equivalent experience

- A full-stack generalist with experience in both front-end and back-end technologies

- Experience in Node.

- Experience in JavaScript frameworks like React, NodeJS.

- Ability to write MySQL queries across tables

- Good architecture and system design skills

Roles and responsibilities

Passion for delivering products end-to-end, from ideation to implementation

Good knowledge of data structures and their use cases (Map, List, Tuple, Object, Interface)

Ability to write using node.js to quickly do a PoC.

Good to have knowledge of Reactjs.

Knowledge of encapsulation/inheritance

Basic knowledge of CSS and principle behind it and its use in javascript or jquery

Candidates willing to relocate to Middle East would be preferred

• Join the product research team to develop the leading Geodata and GeoAI platform in Hong Kong
• Be part of the product team to develop web front-end interface with a focus of data and AI application
• Develop automated software in Arical data and AI pipeline
• On job training for rapid product development cycle
• Will have to deliver reliable and maintainable code
• Use analytical skills effectively for hands on problem solving
• Translate UI/UX design wireframes to actual code
• Work with UI/UX designer

• Degree or above in Computer Science, Information Systems, or related fields
• Coursework in programming, data science, machine learning, AI and databases
• Strong organizational and project management skills
• Proficiency with client-side scripting and database technology

• Knowledge of one or more system programming languages (Python, C++, Java, etc)
• Knowledge of MongoDB and other NoSQL data stores such as Redis
• Proficiency with HTML, CSS, JavaScript, cross-browser optimization
• Proficiency with one or more front-end web development framework (Bootstrap, Angular, React)
• Knowledge of one or more web-scripting languages (PHP, Rudy, Node.js etc)
• Knowledge of web-scraping library (Beautiful Soup, web driver etc)
• Knowledge of API packaging and Docker deployment
• Knowledge of app development
• Knowledge of UI/UX design

• Work from home