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PRITAM DAS

Work Experience

Professional software engineering background, production systems, and measurable outcomes.

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Agnik

Software Developer

June 2023 — Present• Kolkata, IndiaFull-time

Architecting real-time bidding engines, search ranking optimizations, SQL analytics pipelines, and infrastructure automation for advertising platforms.

Agnik Leadership Award · Presented by Hillol Kargupta, President of Agnik (Dec 2024)
Responsibilities & Key Outcomes
  • Engineered an automated Real-Time Bidding (RTB) engine in Node.js for an e-commerce ad platform, boosting campaign optimization efficiency by ~47% via dynamic algorithmic bid adjustments.
  • Recalibrated keyword weightings and placement signals in search-ranking pipelines, improving campaign CTR by ~54% across target product categories.
  • Built interactive reporting dashboards and SQL aggregation pipelines with Apache ECharts, reducing the turnaround time of complex campaign analytics.
  • Optimized slow queries and automated recurring batch jobs across SQL Server and PostgreSQL, reducing processing latency by ~42% across mission-critical transactional workflows.
  • Developed automated rank-tracking and competitor analysis pipelines using Node.js and CloakBrowser to ingest, parse, and synthesize external market data.
  • Implemented Infrastructure-as-Code (IaC) using Ansible to automate server provisioning, secret distribution, and process monitoring across bare-metal environments, eliminating deployment drift and reducing setup time.
  • Refactored the internal community forum architecture, optimizing nested comment queries, reaction counters, and real-time feeds while overhauling the admin dashboard for granular content moderation.
  • Owned and maintained an internal operations portal utilized daily across engineering and operations teams; awarded the Agnik Leadership Award (Dec 2024).
RTB Optimization Gain~47%
Campaign CTR Lift~54%
Latency Reduction~42%
Technologies
Node.jsJavaScriptTypeScriptSQL ServerPostgreSQLBullMQRedisAnsibleDockerLinuxApache EChartsAmazon Ads APIGoogle Ads APIPuppeteer.js
Freelance & Independent Projects

Software Developer

2022 — Present• Kolkata, IndiaFreelance

Engineering custom client web platforms, full-stack management portals, on-device AI/vision applications, and developer automation tools.

Responsibilities & Key Outcomes
  • Engineered Teammates Insurance, a freelance full-stack policy administration portal with Express 5, PostgreSQL, Knex migrations, and asynchronous Redis Bull queue workers.
  • Developed Gram Bahar, a freelance eCommerce platform connecting 200+ rural farmers with consumers, featuring dynamic combo checkouts and Next.js WebP optimization.
  • Built TabDent Pharma, a responsive pharmaceutical formulation catalog engineered without heavy framework overhead for sub-150 KB mobile lookup speeds.
  • Architected Inori Studio (on-device WebGPU/WASM image editor), Comic Translator (Python OCR translation pipeline), and Jibble Tracker (Manifest V3 browser extension).
Technologies
TypeScriptJavaScriptNode.jsPythonNext.jsReactPostgreSQLExpress.jsWebGPUONNX Runtime WebOpenCVRedisKnex.jsTailwind CSS