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As a Backend Developer with 5+ years of experience, I specialize in Node.js, Golang, TypeScript, and microservices, building cloud-native, scalable distributed systems for fintech, e-commerce, and logistics. I have strong expertise in AWS (EC2, Lambda, S3, SQS, API Gateway), PostgreSQL, MongoDB, Redis, Docker, Kafka, and robust CI/CD pipelines. I focus on clean architecture, system design, and performance optimization to deliver secure REST APIs and high-availability services. I thrive in collaborative Agile environments, continuously learning and mentoring others, and I am ready to contribute to complex technical challenges while ensuring reliable delivery and maintainable code.…As a Backend Developer with 5+ years of experience, I specialize in Node.js, Golang, TypeScript, and microservices, building cloud-native, scalable distributed systems for fintech, e-commerce, and logistics. I have strong expertise in AWS (EC2, Lambda, S3, SQS, API Gateway), PostgreSQL, MongoDB, Redis, Docker, Kafka, and robust CI/CD pipelines. I focus on clean architecture, system design, and performance optimization to deliver secure REST APIs and high-availability services. I thrive in collaborative Agile environments, continuously learning and mentoring others, and I am ready to contribute to complex technical challenges while ensuring reliable delivery and maintainable code.

Aiwan Maswood

Full Stack Developer, Web Developer, Programmer, +4

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As a Backend Developer with 5+ years of experience, I specialize in Node.js, Golang, TypeScript, and microservices, building cloud-native, scalable distributed systems for fintech, e-commerce, and logistics. I have strong expertise in AWS (EC2, Lambda, S3, SQS, API Gateway), PostgreSQL, MongoDB, Redis, Docker, Kafka, and robust CI/CD pipelines. I focus on clean architecture, system design, and performance optimization to deliver secure REST APIs and high-availability services. I thrive in collaborative Agile environments, continuously learning and mentoring others, and I am ready to contribute to complex technical challenges while ensuring reliable delivery and maintainable code.…As a Backend Developer with 5+ years of experience, I specialize in Node.js, Golang, TypeScript, and microservices, building cloud-native, scalable distributed systems for fintech, e-commerce, and logistics. I have strong expertise in AWS (EC2, Lambda, S3, SQS, API Gateway), PostgreSQL, MongoDB, Redis, Docker, Kafka, and robust CI/CD pipelines. I focus on clean architecture, system design, and performance optimization to deliver secure REST APIs and high-availability services. I thrive in collaborative Agile environments, continuously learning and mentoring others, and I am ready to contribute to complex technical challenges while ensuring reliable delivery and maintainable code.

Available to hire

As a Backend Developer with 5+ years of experience, I specialize in Node.js, Golang, TypeScript, and microservices, building cloud-native, scalable distributed systems for fintech, e-commerce, and logistics. I have strong expertise in AWS (EC2, Lambda, S3, SQS, API Gateway), PostgreSQL, MongoDB, Redis, Docker, Kafka, and robust CI/CD pipelines. I focus on clean architecture, system design, and performance optimization to deliver secure REST APIs and high-availability services.

I thrive in collaborative Agile environments, continuously learning and mentoring others, and I am ready to contribute to complex technical challenges while ensuring reliable delivery and maintainable code.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Hindi

Fluent

Urdu

Advanced

Japanese

Beginner

Work Experience

Software Engineer at Tagbin IT

October 16, 2023 - Present

Built backend microservices using Node.js and Express following clean modular architecture. Designed normalized PostgreSQL schemas for products, variants, orders, users, and transactions. Integrated Razorpay for payments and webhook processing. Implemented delivery partner integration using iThink API for dispatch and live tracking. Developed product variant logic with customizable flavors, weights, and sizes. Optimized APIs through caching and query enhancements to improve performance.

Node.js Developer at Rapipay Fintech

October 28, 2021 - September 29, 2023

Implemented secure authentication using JWT with HTTPS enforcement and rate limiting. Built REST APIs for transaction processing, agent onboarding, settlements, and wallet operations. Integrated AEPS for real-time withdrawal and deposit operations. Developed money-transfer modules between India and Nepal with validation, retries, and failure handling. Established RBAC for agent, admin, and super admin using JWT. Collaborated with DevOps to deploy, monitor, and log financial services on AWS EC2 and CloudWatch.

Software Engineer at Deibel Laboratories

January 13, 2020 - October 27, 2021

Developed a full-stack laboratory workflow management system for order creation, multi-sample submissions, lab assignments, and result validation. Built Angular-based UIs for clients, lab users, and admins. Designed SQL Server schemas for labs, tests, samples, and reports. Implemented real-time order lifecycle tracking with notifications and triggers. Created admin module for report verification and result publishing.

Nodejs Developer at Rapipay Fintech

October 1, 2021 - September 1, 2023

Implemented secure authentication using JWT, HTTPS enforcement, and rate limiting. Built REST APIs for transaction processing, agent onboarding, settlements, and wallet operations. Integrated AEPS for real-time withdrawal and deposit operations. Developed money-transfer modules between India–Nepal with validation, retries, and failure handling. Established RBAC using JWT claims. Collaborated with DevOps to deploy, monitor, and log financial services on AWS EC2 and CloudWatch.

Software Engineer at Claritus Management

January 1, 2020 - October 1, 2021

Created RESTful APIs and optimized PostgreSQL database structures for product and shipment workflows. Integrated Xero and NetSuite for automated syncing of accounting, financials, and inventory data. Collaborated with SMEs to customize supply-chain automation features for various business clients. Managed deployment and production monitoring on AWS for high-availability environments. Provided end-to-end development support including UI implementation (Angular) and bug fixes.