RD

Ranjit Dontineni

Available to hire

I'm a software developer specializing in cloud-native, serverless, and event-driven systems on AWS, supporting 10M+ daily transactions.

About

I’m a software developer specializing in cloud-native, serverless, and event-driven systems on AWS, supporting 10M+ daily transactions. I design scalable APIs, model DynamoDB data structures, and build asynchronous workflows using AWS Lambda, API Gateway, SQS/SNS, Step Functions, and CI/CD pipelines.\n\nI’m proficient in Node.js and Python, microservices, caching strategies, and fault-tolerant architectures, with exposure to Kafka-based streaming and React dashboards. I enjoy turning complex requirements into robust, high-throughput solutions that scale with business needs.

  • 3 years' experience
  • Joined January 2026

Industry experience

  • Software & Internet
  • Financial Services
  • Professional Services
  • Education

More experts in Atlanta, United States

Work experience

Graduate Administrative Assistant · Georgia State UniversityAug 2025 – Present · 1 yr 4 mos

Mentored over 60 graduate students in Python, Java, and Data Structures through structured labs, coding workshops, and scheduled office hours. Conducted weekly review sessions reinforcing algorithms, recursion, OOP, and problem-solving techniques, increasing overall student assessment performance consistently.

Software Development Engineer - I · Aditya Birla CapitalJun 2023 – Aug 2025 · 2 yrs 3 mos

Architected a multi-channel communication platform on AWS API Gateway + Lambda (Node.js) delivering WhatsApp/SMS/Email across user journeys; added async queues, retries, DLQs, idempotency keys, correlation IDs, and rate limiting to sustain 10M+ messages/day and reduce delivery time by 42.43%. Led BizTalk → AWS re-platforming, remapping 8+ services, exposing 5 API Gateway endpoints, and decomposing workflows into 12 Lambdas, increasing availability to 99.9% and cutting ops overhead by 60%. Re-modeled user data from on-prem MySQL to DynamoDB with PK/SK design, GSIs, and conditional writes; read latency decreased by 36%. Implemented a read-through cache in DynamoDB with daily Step Functions batch refresh to reduce holdings API response time from 2.8s to 350ms. Developed a ShortURL API and a bulk short-link service with TTL expiry for KYC/payments processing up to 12M links. Engineered a token store + cache layer to minimize redundant upstream token calls by 79% and avoid cross-team cont

Education

Master of Science · Georgia State University2025 – 2027

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