Ashok Sahoo

Engineering Leader with 10+ years architecting scalable backend systems. Building cloud infrastructure and leading teams to deliver products serving millions.

Resume

hello@ashok.iolinkedin.com/in/ashoksahoogithub.com/ashoksahoo

Professional Summary

Engineering Leader with 10+ years of experience architecting scalable backend systems and leading high-impact technical initiatives. Proven expertise in building cloud infrastructure, leading cross-functional teams, and delivering products serving millions of users. Deep knowledge of distributed systems, microservices architecture, and modern cloud platforms. Track record of driving engineering excellence through robust technical practices and mentorship.

Technical Skills

  • Languages: JavaScript, Python, Java
  • Backend & Frameworks: Node.js, React.js
  • Databases & Storage: MongoDB, Redis, MySQL, Redshift, Redshift Spectrum Datalake, Athena Query Engine, Glue Catalog, Elasticsearch
  • Cloud & Infrastructure: AWS, GCP, Docker, Kubernetes, Terraform
  • Observability & Monitoring: Prometheus, Grafana, CloudWatch, NewRelic
  • Messaging & Streaming: Apache Kafka, Kinesis
  • Telephony & VoIP: Asterisk, Kamailio, RTP Engine
  • AI/ML Tools: OpenAI, Deepgram, ElevenLabs

Professional Experience

Engineering Leader

Superfone | September 2021 – May 2025

  • Led engineering team of 6 engineers across backend, infrastructure, and DevOps, establishing technical standards and best practices for the entire organization
  • Architected and launched multiple products from ground up: Superfone Telephony platform, full-featured CRM system, WhatsApp Cloud integration, and Voice AI agent capabilities
  • Built scalable microservices architecture processing 1 million calls per month and serving 10,000+ paying customers with 99.9% uptime SLA
  • Led complete infrastructure migration from AWS to GCP with zero downtime, successfully negotiated $50K USD in GCP credits
  • Implemented comprehensive monitoring and observability stack using Prometheus and Grafana for real-time system health tracking
  • Deployed and managed Asterisk, Kamailio, and RTP Engine across multi-datacenter infrastructure in Pune and Ahmedabad for high-availability telephony services

Senior Software Engineer

Vedantu | August 2019 – September 2021

  • Led development of VQuiz, a real-time live game platform serving 400K+ concurrent users during peak sessions
  • Re-architected test platform with Apache Kafka event-driven architecture, improving throughput by 300%
  • Designed and implemented ETL pipelines, clickstream analytics, and data warehousing solutions using Redshift, Redshift Spectrum, Glue, Athena and Kinesis
  • Built comprehensive reporting dashboards using Metabase, enabling data-driven decision making across the organization
  • Led infrastructure security enhancements including network segmentation, secrets management, and IAM policies

Senior Software Engineer

BYJU’S (Think and Learn Pvt. Ltd.) | December 2018 – July 2019

  • Integrated 10+ loan providers including ICICI Bank, RBL Bank, and multiple NBFCs into e-commerce platform using their payment APIs, significantly expanding loan availability options for customers
  • Integrated multiple payment gateways improving overall transaction reliability and customer payment experience
  • Developed credit processing workflows including ACH and e-mandate systems for automated recurring collections

Senior Software Engineer

Payjo Pvt. Ltd. | July 2017 – June 2018

  • Architected microservices for enterprise chatbot framework, deployed across 5+ financial institutions
  • Led DevOps initiatives and successfully migrated SBI chatbot from AWS to on-premise infrastructure with zero downtime
  • Automated deployment pipelines using Packer, Terraform, and Jenkins, reducing deployment time from hours to minutes

Software Engineer

VYMO Solutions Pvt. Ltd. | August 2015 – June 2017

  • Ensured performance, scalability, and reliability of VYMO core systems supporting 50K+ daily active users
  • Migrated MongoDB aggregation pipelines to Kafka and Elasticsearch ETL, enabling real-time analytics and optimized query performance for OLAP workloads
  • Enhanced system observability using NewRelic, AWS CloudWatch, Prometheus, and Grafana
  • Led end-to-end technical onboarding for 15+ major BFSI clients including HDFC Bank and SBI Life Insurance

Software Developer

Wow Internet Labz | April 2015 – August 2015

  • Full-stack developer on Mooshak, a vernacular social media platform

Software Developer

EHAPI/TechAnipr | December 2013 – March 2015

  • Developed StampitGo customer loyalty platform with Node.js backend

Software Developer

Construe IT Solutions | June 2013 – November 2013

  • SugarCRM customization for Indian Youth Card project

Education

Bachelor of Technology in Chemical Engineering National Institute of Technology (NIT) Rourkela | Graduated 2012