I will build scalable nodejs backend apis with AWS serverless

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ajaycoder
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ajaycoder
Ajay Y

About this gig

Experienced engineer with 10+ years of experience designing and delivering scalable, cloud-native backend systems across fintech, logistics, and social impact domains. Proven expertise in event-driven architecture, serverless systems on AWS, and leading cross-functional engineering teams from requirements to production. Track record of delivering high-impact platforms for global organizations, including Google and Tata Trusts.


Languages & Runtime: Node.js, JavaScript (ES6+), TypeScript

Backend & API: REST APIs, GraphQL, Express.js, Microservices, Serverless Architecture, Event-Driven Architecture, Webhooks, Streaming

Databases: MongoDB, DynamoDB, MySQL, PostgreSQL, Redis

Cloud AWS: Lambda, Step Functions, SQS, SNS, Kinesis, API Gateway, EC2, S3, DynamoDB, CloudWatch, SAM, SES, IAM, KMS, Secrets Manager

Architecture & Design: System Design, Solution Architecture, Database Design, Cloud Infrastructure Design, API Design, Event-Driven Patterns, Queue-Based Architecture

Security & Auth: JWT, OAuth 2.0, RBAC, Bcrypt Hashing, End-to-End Encryption, OTP/2FA

Messaging: SMS, RCS, MMS, Twilio, AWS SNS

DevOps & Tooling: Git, GitLab, GitLab CI/CD Pipelines, AWS SAM, Serverless Framework

Get to know Ajay Y

Ajay Y

Principal Engineer

  • FromIndia
  • Member sinceDec 2017
  • Avg. response time2 hours
  • Languages

    Hindi, English
I am a Principal Engineer with 10+ years of deep expertise in Node.js, TypeScript, AWS Serverless, and DevOps. I specialize in designing and building scalable, cloud-native backend systems across fintech, logistics, and social impact domains.

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