Soumallya Hazra
Junior Backend Developer @TimesPro
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WORK HISTORY
Junior Backend Developer @TimesPro
Kolkata, IN
As a Backend Developer at TimesPro (an EdTech initiative by The Times Group), I’ve been pivotal in architecting and optimizing scalable microservices using Node.js, Express, and AWS. Focuses on performance tuning, secure data flow, and seamless system integrations in a microservice-driven environment.Key Highlights: System Design & Performance OptimizationEngineered low-level system architectures (LLD), leading to a 10% improvement in performance and a 30% cut in operational costs.Tuned Node.js event-driven architecture to handle high-concurrency loads efficiently. API & Microservices DevelopmentBuilt RESTful APIs using Express.js and ES6+(Promises, async/await).Developed microservices on AWS ECS Fargate, improving uptime by 20%. Cloud Infrastructure & ScalabilityImplemented Amazon SNS & SQS (Standard/FIFO) with DLQs and exponential backoff for resilient, scalable services.Contributed to HLD & LLD for serverless workflows using AWS Lambda and Step Functions.Applied AWS IAM and STS for secure, role-based access, reducing vulnerabilities by 30%. Security & ComplianceEnabled S3 file encryption using AWS KMS for secure data handling.Integrated OAuth2.0, JWT, and custom authentication to reduce unauthorized access by 35%. Communication & AI IntegrationsBuilt a full-featured messaging module integrating Gupshup (SMS), Infobip (WhatsApp), Netcore (Email), and FCM (Push), increasing user engagement by 20%.Used AWS Rekognition for Aadhar validation and integrated Bedrock Claude Sonnet 3.5 V2 & Titan LLMs for intelligent text/image processing, reducing manual workload. Testing, Monitoring & OptimizationDeveloped unit/integration tests with Jest to ensure coverage and reliability.Integrated New Relic for real-time monitoring and error tracing.Optimized DB queries and introduced Redis caching, reducing API response times by 95%. Team Collaboration & DeliveryWorked in Agile/SCRUM teams to deliver features early and consistently.
EDUCATION
Academy of Technology
Bachelor of Technology - BTech
ABOUT SOUMALLYA HAZRA
Experienced MERN Stack - AWS developer (NodeJS, Express, React, DynamoDB, Aws) with a passion for building highly scalable and efficient web applications. I specialize in developing backend systems. Node.js Expertise- Proficient in building server-side applications using Node.js and Express framework, AWS DynamoDb, AWS Lambda, JEST(TDD)- Strong understanding of asynchronous programming, event-driven architecture, and RESTful APIs- Microservices architecture with AWS Lambda Function, ECS(fargate), S3, SNS, SQS, Kinesis, Load balancer, Docker- Skilled in implementing authentication and authorization mechanisms using tools like JWT.
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