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Harsh Raj

Open to work5 years experience

Software Engineer - Frontend

Pune, MHTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Software Engineer with 5+ years in ad-tech.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

27 skills
javascripttypescriptnode.jssqlreactreduxhtml5css3expressrest apisaws lambdaaws ecsapi gateways3dynamodbemrroute 53cloudfrontec2vector embeddingsmongodbdockerci/cdpuppeteergitjiralinear

Work Experience

Senior Software Engineer

Bonzai Digital

Aug 2021 - Present Pune, MH
  • Built BrandStory from scratch 3-page scroll-driven high-impact ad format now serving 6-8M impressions/month.
  • Solved pixel-accurate, scroll-coupled page transitions with complex CSS smooth performance and cross-browser parity.
  • Built reusable widgets and interactive elements for Canvas, Bonzai's in-house ad creator.
  • Implemented Intersection Observer-based time-in-view tracking across BrandStory, ScrollX, DTS, and Canvas.
  • Owned Poll, Vote, Survey end-to-end React frontends, Node.js on Lambda, DynamoDB, API Gateway.
  • Built AI Dynamic Carousel Puppeteer-based catalog extractor on ECS + Lambda + S3.
  • Mentored interns through shipping a production in-app tag simulator.

Projects

Sidekik.ai

ReactNode.jsMongoDBsentence-transformers
  • Full-stack platform (React + Node.js + MongoDB) that lets publishers and designers explore 100,000+ historical ad creatives.
  • Implemented semantic / vector search over creative metadata using sentence-transformer embeddings.
  • Tuned AI query path and caching strategy to keep search responsive at 100K+ scale.
  • Added list virtualization on the React UI.

AI Dynamic Carousel

Node.jsExpressPuppeteerAWS ECSAWS LambdaS3
  • Full-stack service (Node.js, Express, Puppeteer) that extracts product catalogs from publisher e-commerce sites.
  • Server-side DOM parsing + normalization pipeline converts unstructured HTML into a canonical product JSON schema.
  • Rotating-proxy layer sustains extraction across bot-protected sites.
  • Deployed on AWS ECS + Lambda, persisting artifacts to S3.

Poll / Vote / Survey Suite

ReactNode.jsAWS LambdaDynamoDBAPI Gateway
  • Sole owner from spec to deployment: schema design, API contracts, React frontend, Node.js backend.
  • Serverless deployment on AWS Lambda, DynamoDB for storage, API Gateway for routing.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

BrandStory Performance Metrics

Designed and shipped BrandStory, serving 6–8M impressions/month with 2× CTR, 90% viewability, and 3× attention versus other high-impact formats.

About Details

Professional Bio

Frontend Software Engineer with 5+ years in ad-tech, building production web platforms across React, Node.js, and AWS. Experienced in designing high-impact ad formats and internal SaaS products.

B.E. in Computer Science in Computer Science

MIT Academy of Engineering, Pune (2017 - 2021)

Languages: English, Hindi
Email: Locked