Rajat Mishra

Software Engineer

Delhi, India3 yrs 10 mos experience

Key Highlights

Built scalable sales platform processing 20K loans monthly.
Designed custom task state machine in Node.js.
Enabled real-time delivery tracking in EdTech applications.

Stackforce AI infers this person is a FinTech and EdTech focused Full-Stack Developer.

Contact

rajat.mishra@cardekho.com +13104223253 LinkedIn

Skills

Core Skills

Node.jsMicroservicesFull-stack Development

Other Skills

AWSAWS LambdaAWS S3AlgorithmsBack-End Web DevelopmentBootstrapCascading Style Sheets (CSS)Data StructuresDjangoEngineeringExpress.jsFront-End DevelopmentGitHubHLDHLS

About

Experienced Software Engineer with 4 years in designing scalable, high-performance distributed systems. Proficient in JavaScript, Node.js, and AWS, with a strong foundation in microservices, CI/CD, and DevOps practices. Proven ability to drive impactful projects in EdTech and FinTech, consistently delivering production-ready features with measurable business outcomes. NodeJS || ReactJS || HLD || MicroServices || LLD || PostgreSQL || Problem Solver

Experience

Cardekho group

2 roles

SDE 3

Jun 2025 – Aug 2025 · 2 mos · Gurugram, Haryana, India

SDE 2

Aug 2023 – Jun 2025 · 1 yr 10 mos · Gurugram, Haryana, India

Digibuddy (Sales Ops Platform (Rupyy))
1. Built and scaled a sales platform used by 1,500+ agents, processing 20K loans monthly with high availability and low latency, and a GMV of 1800 Crores apporox.
2. Integrated AWS EventBridge to distribute real-time document upload events ( ∼30 documents per loan) to down- stream services, handling over ∼6 lacs document events with low latency, significantly improving system decou- pling, scalability.
3. Cut DB query load by 40% through caching and pagination.
4. Developed role-based dashboards, enhancing visibility and tracking for 100% of users
digiFOS
1. Designed and built a custom task state machine in Node.js to manage task lifecycle transitions (e.g., created → in-progress → completed).
2. Enabled runners to perform actions and upload documents at each task stage with strict transition validation.
3. Ensured data consistency, traceability, and reduced workflow errors in operations.
4. Stack: Node.js, Redis, PostgreSQL, AWS Lambda

EngineeringFull-Stack DevelopmentFront-End DevelopmentBack-End Web DevelopmentServer SideState machine+4

Collegedunia

Software Developer

Aug 2021 – Dec 2023 · 2 yrs 4 mos · Gurugram, Haryana, India

Prepp
1. Enabled real-time delivery tracking and analytics, reducing message failures by 30% and boosting campaign performance.
2. Improved SMS delivery success rate by 25% through smart retries, failure logging, and dynamic routing via multiple gateways.
3. Worked on a student-focused application for government exam preparation.
4. Built features for watching pre-recorded lectures, reading articles, attempting quizzes and mock tests. 5. Designed backend in Node.js + NestJS, with MongoDB as the primary database.
6. Used AWS S3 and HLS for efficient video delivery and SQS + Lambda for background processing (e.g., scoring, video ingestion).
7. Stack: Node.js, NestJS, MongoDB, AWS S3, HLS, SQS, Lambda
Textify
1. Worked across full-stack (MERN) to deliver scalable EdTech solutions.
2. Owned multiple high-impact modules including live classes, and messaging systems.
3. Built robust messaging system handling ∼50,000 daily SMS for marketing/ops.
4. Stack: Node.js, React.js, MongoDB, SQS, Redis, AWS Lambda.

Goperceptive

2 roles

Back End Developer

Promoted

Feb 2021 – Apr 2021 · 2 mos · Gurugram, Haryana, India

Worked as a Back End Developer in NodeJS and handled API development reponsibilities, mainly built on Express, NodeJS, MongoDB and Puppeteer.

Software Engineer

Jul 2020 – Sep 2020 · 2 mos · Gurgaon, Haryana, India

Worked as a Full Stack Developer in NodeJS and handled Backend
reponsibilities, mainly built on Express, NodeJS, MongoDB and Puppeteer.
Worked on their website in collaboration with UI/UX developer.
Managing operations of companies like Hersheys, Marico etc.

Lean in msit

Web Development Mentor

May 2020 – Apr 2021 · 11 mos · Delhi, India

Mentor for Web Development in the organisation.
Guided students or mentees through frontend and backend i.e. NodeJS, HTML, CSS, JS, jQuery.
Worked on a project with them and solved their doubts while implementing the project.

Indian road safety campaign

Mentor

Jan 2020 – Jan 2020 · 0 mo · IIT Delhi

Mentor for 24 Hour Hackathon held at IIT Delhi

Intellify

Back End Developer

Oct 2019 – Feb 2020 · 4 mos · Saket

Worked on Django to build REST API for an android application for teachers and students collaboration.
Responsible for Database handling.
Got familiar with AWS services like S3 buckets, CodeCommit, Elastic Beanstalk etc.