Hi, I'm Divyansh Sareen

Software Developer with 2+ years of experience building scalable backend systems and microservices architecture. Expertise in Node.js, Go, Python, and AWS cloud technologies.

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backend-developer.js

                const developer = {
  name: 'Divyansh Sareen',
  role: 'Backend Developer',
  languages: ['Node.js', 'Go', 'Python'],
  cloud: ['AWS Lambda', 'EC2', 'S3'],
  passions: ['Microservices', 'APIs']
};

About Me

Backend Developer passionate about building scalable systems

I'm a dedicated Backend Developer with expertise in building robust, scalable systems that power modern applications. My journey in software development has been driven by a passion for creating efficient solutions that handle real-world challenges.

I specialize in microservices architecture, API development, and cloud infrastructure. With experience in building fleet management platforms and processing GPS data for thousands of vehicles, I focus on system optimization using cutting-edge technologies like Node.js, Go, and AWS.

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Performance Focused

Building systems that scale with optimized performance and reliability

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Problem Solver

Tackling complex technical challenges with innovative solutions

☁️

Cloud Native

Leveraging AWS services for scalable, serverless architectures

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Technical Skills

Technologies and tools I work with

Programming Languages

Node.js

Python

JavaScript

Frameworks & Libraries

Express.js

Gin

FastAPI

Databases

PostgreSQL

MongoDB

DynamoDB

Cloud & DevOps

AWS Lambda

AWS EC2

Docker

CI/CD

Work Experience

My professional journey and achievements

August 2023 - August 2025

Software Developer

MapUp • Remote

Developing and maintaining microservices architecture for TollTally Dashboard, a fleet management platform providing automated toll cost calculations for enterprise users.

Successfully process 50+ enterprise fleets handling 3000+ vehicles daily with 1500+ toll transactions
Built API integrations with major fleet management platforms including Samsara, Geotab, Motive, Wialon, and FTS
Designed data processing pipelines using AWS Lambda, SQS messaging, and PostgreSQL for GPS-based toll calculations
Implemented CI/CD pipeline workflows reducing deployment time and management efforts
Established CloudWatch monitoring dashboards and alarms for system observability

Node.js AWS Lambda PostgreSQL SQS REST APIs CloudWatch

January 2023 - August 2023

Software Developer Intern

Finmo • Bangalore, India

Contributed to Treasury management system development serving financial institutions with automated payment processing workflows.

Implemented email notification system for stuck payout alerts, reducing manual monitoring overhead
Added features and components to existing platform, improving overall user experience
Collaborated with senior developers on payment processing workflows

Node.js JavaScript MongoDB Express.js

Featured Projects

Some of my recent work and personal projects

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TollTally Dashboard

Fleet management platform providing automated toll cost calculations for enterprise users, processing 3000+ vehicles daily with real-time GPS data. (MapUp Product)

Microservices AWS Lambda SQS PostgreSQL

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Telematics Provider Platform

Built RESTful APIs and microservices using Go for real-time GPS data collection, transmission, and fleet management. Developed insight generation service to process raw GPS tracks and generate driver behavior analytics. Created fleet dashboard and driver simulator frontend with Next.js and shadcn/ui components.

Go Next.js PostgreSQL PostGIS JWT

Code Demo

Blog Posts

Technical articles and insights

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Kiro for Software Development?

Dev.to

Exploring AI assistance in development workflows and productivity.

Read Article

🔢

Ways to traverse a matrix

Hashnode

Different approaches and algorithms for matrix traversal.

Read Article

⚙️

JavaScript Objects and Prototypes

Hashnode

Deep dive into JavaScript's object model and prototype chain.

Read Article