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PRITAM DAS
Curriculum Vitae

Pritam Das — Resume

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Pritam Das

Software Developer|Backend & Full-Stack Engineering
contact.pritamdas.dev@gmail.com+91-8906641935Kolkata, West Bengal, Indiapritam.is-a.devlinkedin.com/in/iamdarkshadowgithub.com/imdarkshadow

Summary

Software Developer with 3+ years of experience architecting high-throughput backend services, distributed systems, and ad-tech automation engines using Node.js, JavaScript, SQL Server, and PostgreSQL. Proven track record in designing asynchronous BullMQ/Redis queue pipelines, eliminating operational bottlenecks, and reducing analytical query response times.

Technical Skills

Languages & Runtimes:
JavaScriptNode.jsTypeScriptSQLPythonC#
Databases & Caching:
PostgreSQLMicrosoft SQL ServerMongoDBRedisSchema DesignQuery Optimization
Backend & Architecture:
REST APIsWebSocketsBullMQBackground WorkersMicroservicesJWTRBAC
Frontend:
ReactNext.jsBootstrapTailwind CSSApache EChartsChart.js
DevOps & Tools:
Linux (systemd, Bash)DockerAnsibleNGINXAWS EC2GitHub ActionsGitPuppeteer.js
AI & Machine Learning:
OpenAI APIRAGONNX Runtime (Web/Node)Local LLMs/Inferencellama.cppPaddleOCROpenCV
Advertising APIs:
Amazon Ads APIGoogle Ads API

Experience

Software Developer---Agnik(Kolkata, India)
June 2023 — Present
  • 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).

Selected Projects

Teammates Insurance---Enterprise Insurance Management Portal
Sep 2025 — Present
Node.js, Express, PostgreSQL, Knex.js, Redis, BullMQ
  • Architected a scalable Node.js/Express backend featuring modular data-access layers, JWT authentication, and fine-grained Role-Based Access Control (RBAC).
  • Integrated PostgreSQL via Knex.js migrations and deployed Redis/BullMQ background workers for asynchronous policy report generation and high-throughput PDF exports.
Nov 2025 — Dec 2025
Next.js, ONNX Runtime Web, WebGPU, WASM, Tailwind CSS
  • Built a client-side background removal and inpainting web application using ONNX Runtime Web, achieving sub-second local inference with zero backend compute overhead.
  • Integrated WebGPU compute shaders and a dedicated WASM Web Worker leveraging the LaMa model for low-latency, non-blocking multi-threaded image processing in the browser.
  • Implemented client-side model-weight caching via the Cache Storage API to eliminate redundant downloads, packaged in a responsive Tailwind CSS UI.
Comic Translator---GitHub Repository
Nov 2022 — Mar 2023
Python, OpenCV, PaddleOCR, CLI
  • Developed an automated Python CLI pipeline for text extraction, translation, and typesetting in multi-page comics using OpenCV and PaddleOCR.
  • Implemented speech-bubble boundary contour detection and dominant-color background inpainting algorithms for clean text erasure and dialogue replacement.
Gram Bahar---grambahar.com
Nov 2023 — Feb 2024
Next.js, React, Node.js, WebP, Tailwind CSS
  • Built a direct-to-consumer eCommerce platform connecting 200+ rural jaggery farmers in West Bengal directly with consumers, driving a 20% increase in direct sales.
  • Implemented Next.js WebP dynamic image delivery and optimized combo-pack checkout configurations, reducing checkout completion time by 30%.

Education

M.Sc. in Computer Science---Kalyani University (Postgraduate)
2021 — 2023
B.Sc. in Computer Science---Kanchrapara College (Undergraduate)
2017 — 2021

Awards & Additional Information

Agnik Leadership Award (Agnik, Dec 2024) --- Recognized for technical ownership, initiative, and engineering impact in ad automation systems.

Languages: English (Professional), Bengali (Native), Hindi (Working Proficiency)