I am an experienced Backend Developer with 5 years of expertise building SaaS applications. I specialize in Node.js, TypeScript, Express.js, PostgreSQL, and MongoDB, and have a proven track record in designing secure, compliant, and scalable microservices and RESTful APIs. I am passionate about clean architecture and performance optimization, always delivering robust and production-ready systems. I have worked extensively in fintech, logistics, and e-commerce domains, gaining strong proficiency in AWS, CI/CD pipelines, and system design. Recently, I have expanded my skillset to include AI-driven backend capabilities such as LangChain and Retrieval-Augmented Generation (RAG). I am adaptable and eager to contribute my technical expertise in diverse and challenging environments.

Aiwan Maswood

I am an experienced Backend Developer with 5 years of expertise building SaaS applications. I specialize in Node.js, TypeScript, Express.js, PostgreSQL, and MongoDB, and have a proven track record in designing secure, compliant, and scalable microservices and RESTful APIs. I am passionate about clean architecture and performance optimization, always delivering robust and production-ready systems. I have worked extensively in fintech, logistics, and e-commerce domains, gaining strong proficiency in AWS, CI/CD pipelines, and system design. Recently, I have expanded my skillset to include AI-driven backend capabilities such as LangChain and Retrieval-Augmented Generation (RAG). I am adaptable and eager to contribute my technical expertise in diverse and challenging environments.

Available to hire

I am an experienced Backend Developer with 5 years of expertise building SaaS applications. I specialize in Node.js, TypeScript, Express.js, PostgreSQL, and MongoDB, and have a proven track record in designing secure, compliant, and scalable microservices and RESTful APIs. I am passionate about clean architecture and performance optimization, always delivering robust and production-ready systems.

I have worked extensively in fintech, logistics, and e-commerce domains, gaining strong proficiency in AWS, CI/CD pipelines, and system design. Recently, I have expanded my skillset to include AI-driven backend capabilities such as LangChain and Retrieval-Augmented Generation (RAG). I am adaptable and eager to contribute my technical expertise in diverse and challenging environments.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent
Hindi
Fluent

Work Experience

Senior Software Developer at Fairdeal.market
April 30, 2025 - August 2, 2025
Developed a comprehensive eCommerce platform integrating features like salesman bonuses, rider incentives, and attendance tracking using React.js, Redux toolkit, Node.js, Express.js, and MongoDB. Created REST APIs following OWASP Top 10 guidelines, implemented JWT authentication, HTTPS, and rate limiting for secure access. Designed business logic for bonus calculations and incentives, integrated role-based access control, optimized response time by 20%, and developed bulk data upload functionality for 100k SKU data.
Full Stack Developer at Suuchi Inc
November 30, 2024 - August 2, 2025
Built scalable web applications using Node.js, Express, PostgreSQL, React.js, and Redux Toolkit for a logistics SaaS company. Developed RESTful APIs and efficient PostgreSQL schemas. Integrated third-party APIs like Xero and NetSuite to sync financial and inventory data. Customized features for SMB clients to enhance supply chain workflows. Engaged in end-to-end software delivery including deployment and production bug fixes.
Nodejs Developer at Rapipay Fintech
September 30, 2023 - August 2, 2025
Developed a secure fintech backend platform handling high-volume transactions using Node.js, Express.js, Angular7, Reactjs with Redux, and MongoDB. Implemented JWT authentication, HTTPS, and rate limiting for security. Developed RESTful APIs for transaction processing, agent onboarding, and service operations. Integrated AEPS for real-time cash withdrawals and deposits. Built role-based access control with JWT. Collaborated with DevOps to deploy and monitor applications on AWS EC2.
Software Engineer at Claritus Management
October 31, 2021 - August 2, 2025
Designed and developed a full-stack web platform for managing food testing workflows using Node.js, Express.js, MS SQL Server, and Angular 7. Developed REST APIs for order creation and sample processing. Created frontend interfaces for clients and lab staff, integrated MS SQL Server, implemented order status tracking with notifications, and built admin dashboards for lab validations and reports generation.
Senior Software Developer at Fairdeal.market
April 30, 2025 - August 4, 2025
Developed a comprehensive eCommerce platform integrating features like salesman bonuses, rider incentives, and attendance tracking for operational efficiency. Built REST APIs in Node.js following OWASP Top 10 security guidelines and implemented JWT authentication, HTTPS, and rate limiting. Designed backend systems for bonus calculations and incentive models. Optimized application response time by 20%. Developed large-scale data upload features handling 100k SKU insertions without impacting server performance.
Full Stack Developer at Suuchi Inc
November 30, 2024 - August 4, 2025
Built scalable logistics SaaS web applications using Node.js, Express, PostgreSQL, and Angular 7. Designed efficient PostgreSQL schemas and developed RESTful APIs. Integrated third-party APIs such as Xero and NetSuite for financial and inventory synchronization. Collaborated with small and mid-sized businesses to customize features and enhance product tracking systems. Participated in full software delivery lifecycle including deployment and bug fixes in a production SaaS environment.
Nodejs Developer at Rapipay Fintech
September 30, 2023 - August 4, 2025
Developed a secure fintech backend platform handling high-volume financial transactions across India and Nepal using Node.js, Express.js, and PostgreSQL. Implemented AEPS cash withdrawals, third-party insurance and recharge integrations, and agent cash collection modules. Ensured secure user access via JWT authentication and role-based access control. Designed money transfer modules with transaction validation and failure handling. Collaborated with DevOps for deployment and monitoring on AWS EC2 cloud infrastructure.
Software Engineer at Claritus Management
October 31, 2021 - August 4, 2025
Designed and developed a full-stack web platform for managing food testing workflows using Node.js, Express.js, MS SQL Server, and Angular 7. Built REST APIs for order creation, multi-sample processing, and lab assignments. Developed frontend interfaces for clients, lab staff, and admins with order status tracking, detailed stage updates, and notification features. Created admin dashboards for lab test management and reporting.

Education

B-Tech at MDU, Haryana
January 1, 2016 - December 31, 2019
Diploma at JMI, New Delhi, India
January 1, 2013 - December 31, 2016
B-Tech in Computer Science at MDU, Haryana
January 1, 2016 - January 1, 2019
Diploma in Computer Engg. at JMI, New Delhi, India
January 1, 2013 - January 1, 2016

Qualifications

Computer Engineer
July 1, 2016 - June 29, 2019
Computer Science with latest technology like programming languages, Databases, Data sctructure

Industry Experience

Software & Internet, Financial Services, Transportation & Logistics, Retail
    paper Salesman Mobile App

    This is mobile application for both Android and IOS. Build on technology React native.

    1. This App make salesman login and logout.
    2. List of customer shop. And salesman visit that shop and mark as visited, placed order, not placed order
    3. salesman have all shop assigned to him, and shop which need to visit today. As in specific polygon can have lots of shop/customer.
    4. Track salesman location for verification that salesman really visit or not.
    5. Salesman track their today and current week total sales, target and incentive earned.
    6. Salesman can see product wise incentive and earning also new products incentive