Raghavendra Challapali
Raghavendra Challapali
Principal Engineer & Manager
Contact Information:
Phone: +91-8892847134
Email: challapali@gmail.com
GitHub: https://github.com/wagin
LinkedIn: Raghavendra Challapali
Education
Indian Institute of Technology, Madras
CSE, B.Tech & M.Tech (Dual Degree), 2013
Objective
Engineering Manager with 12+ years of overall experience driving software architecture, design, and backend development, combined with over 3+ years of proven success in engineering management. Skilled in building and leading highly functional engineering teams, scaling large systems, and aligning technical strategies with business goals to solve complex enterprise problems.
Skills
Languages
Python, Golang, NodeJS, Bash, Perl, C++
SQL/NoSQL Databases
PostgreSQL, Redis, Cassandra, Prometheus, InfluxDB, Clickhouse, TimeScaleDB, OpenTSDB
Web/Backend Frameworks
Django, Supabase, FlutterFlow, Celery, Tornado, RabbitMQ, Kafka, OpenTelemetery, Nginx, Gunicorn, Flask, HashiCorp Vault, Tastypie, Django Rest Framework, Jinja2, OpenSSL.
Development Tools/Environments
Kubernetes, Docker, AWS+ Boto3, GIT, Ansible, Vagrant, Terraform, OpenTofu, VMWare, VirtualBox, Kibana, HashiCorp Consul, Fabric, SendGrid API
Work Experience
PRINCIPAL ENGINEER & MANAGER
Rafay Systems - Bangalore, KA
December 2021 - Present
As the Engineering Manager for the Data Services Platform at Rafay, I am responsible for the FinOps and monitoring dashboards, System Alerts, and Events.
- Hiring and managing a sleek, efficient team of six engineers, including Backend, UI, QA, and DevOps engineers, to design, develop, and scale the Data Services Platform to meet Customers’ expectations.
- Interact regularly with the Enterprise Leadership, Product, and Solutions Teams to understand and break down customer requirements into Engineering Tasks.
- Over 3.5 Years, I have efficiently facilitated the timely delivery of numerous products from the ground up:
- Billing System for Rafay’s PaaS offering is used by GPU providers, and it integrates with 3rd-party ERP solutions.
- FinOps product to optimize the cost of applications running in Kubernetes based on usage patterns.
- Event-based Dashboards backed by an OLAP database, Clickhouse, to monitor any environment, such as VMs, BareMetal, Databases, Load Balancers, etc.
- Cost Management for Kubernetes resources deployed in AKS, EKS, Bare Metal, and VMs.
- Scaling the metrics platform by evaluating TSDBs (InfluxDB, OpenTSDB, Prometheus) and implementing tenant-based sharding.
- Contribution to open-source projects like OpenCost, influxdb-relay, & Paralus for improvements or fix issues.
Portfolio
Technical Advisor
Archonet - Bangalore, KA
August 2021 – April 2023
Archonet is a new gen Digital Platform for Architects and Interior Designers. As a Technical Advisor, set up their technology infrastructure:
- Creating Docker based Infrastructure (EC2 Instances, DNS, Load Balancers, VPCs, CloudFront, etc) on AWS
- Setting up all required development, CICD, collaboration and monitoring tools like GitHub, GitHub Actions, Slack, Google Workspace, Google Analytics, Database Admin tools, Webhook Servers, etc
- Hiring and managing UI/UX freelancers to design and develop Archonet’s Beta launch product
- Training the founders on FlutterFlow and Supabase to help them create the App with No Code Platform
Senior Lead Software Engineer
Akamai Technologies India Pvt. Ltd. - Bangalore, KA
July 2016 – November 2021
Worked as Lead Developer for Zero Trust at Akamai, involved in design, development and scaling of a multi-tenant system to maintain tenant-based configuration and tenant’s user validation, authorization and authentication.
- Directory Sync System: Initialized with product, scale and security requirements; designed an architecture for Integrating Enterprise Users via AD, LDAP and SCIM into Akamai’s Enterprise Products. Successfully led the product into production by defining SDLC and coding standards; on-boarding SDEs and SDETs with effective resource planning; and handling integrations across teams
- Architecture Scaling and HA: Revisited all the state-based components integral to Zero Trust architecture to evaluate its capacity and redesigned it to handle a scale of 100s of tenants with millions of users each
- Upgrade Portal: Designed and architected a product for upgrading a network of servers playing various roles. The Upgrade Portal was a POC for handling system upgrades at a scale of 100s of instances seamlessly with click of a button
- Developed various features integral to Zero Trust for customer acquisitions – Integration of Cisco Duo for MFA, Enabling Active Directory password to change remotely, Categorization of Applications, Customized multi-language support for user portal
- Soha Systems: Joined as a Senior Backend Engineer and had a successful exit via acquisition by Akamai
Software Engineer
Compile India Pvt. Ltd. - Bangalore, KA
February 2013 – June 2016
As a part of core engineering team at Compile was involved in developing intelligent sales product (Compile Sales) and a marketing insights product (Compile IS).
- Designed, developed and deployed a full-scale product for generating marketing insights using job postings and news articles
- Designed and developed an NLP system for crawling, extracting text, classifying and processing large scale of documents (PDFs) for identifying buying intent of technology products like Storage, Security, Networking and CRM products