Rambabu Thota

Director of Engineering

Hyderabad, Telangana, India7 yrs 9 mos experience

Highly Stable

Key Highlights

Led a 5-engineer backend team with high ownership.
Built scalable blockchain indexers for media and marketplace backends.
Expert in MongoDB and real-time systems for engagement.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer with expertise in SaaS and Fintech.

Contact

rambabu@cosmiclabs.co LinkedIn

Skills

Core Skills

Evm (base) IndexingTeam ManagementDevopsBlockchain - Cosmos Sdk - Validator Ops - Rpc/api - IndexersValidator OpsBlockchainCloudNode.jsMongodb

Other Skills

API DocumentationAmazon Web Services (AWS)Back-end OperationsCOSMOSCloudflareCosmos SDKDNS ManagementDockerEthereumExpress.jsFinTechGitGitHubGitlabGoogle Cloud Platform (GCP)

About

Software Engineering Manager / Tech Lead with 7+ years delivering backend systems from idea to production—architecture, execution, deployments, and operations—currently leading a 5-engineer backend team. Built and scaled large-scale media + marketplace backends (creator tools, interactive video/livestream, marketplace workflows) Designed and built blockchain indexers + activity layers on Cosmos to capture on-chain user actions and power downstream apps Built EVM multi-contract indexers powering creator/activity surfaces Strong in MongoDB at scale: schema/index strategy, replica sets, hot-path optimization, backups Real-time systems: Socket.io + Redis for scalable engagement/chat-style workflows Infra ownership: Docker, GitLab CI/CD, Nginx/Caddy, SSL/TLS, load balancing, monitoring/alerts Validator/RPC ops (Cosmos chains): upgrades, node operations, stable RPC/REST endpoints Cloud: GCP, AWS, Digital Ocean, Cloudflare (DNS, Images CDN, Stream) + deep DNS troubleshooting Security-first networking: UFW, WireGuard, SSH jump/bastion access patterns Storage: Hetzner Storage Box/Object Storage + S3 bucket workflows Tooling: Self-hosted OpenProject, Outline, GitLab on Hetzner (Docker) Work style: high ownership, clean execution, fast delivery with strong quality and reliability

Experience

7 yrs 9 mos

Total Experience

5 yrs 8 mos

Average Tenure

2 yrs 1 mo

Current Experience

Flix.fun

Software Engineering Manager, Enterprise Applications

Apr 2024 – Present · 2 yrs 1 mo · Hyderabad, Telangana, India · Remote

Leading 5-engineer backend team, owning planning, execution, reviews, and release readiness across platform services.
Drove migration of the OmniFlix experience to FLIX.fun on Base (EVM) and led backend execution for the new ecosystem.
Built and scaled the EVM contract indexer (multi-contract action indexing, normalized entities, replay/backfill patterns) powering creator/activity surfaces.
Deployed internal org tools on Hetzner (Docker): OpenProject + Outline, including SMTP setup for notifications/invites; supported secure access patterns (VPN/jump where needed).

Node.jsEVM (Base) IndexingBlockchain - Cosmos SDK - Validator Ops - RPC/API - IndexersDevOpsMongoDBSolidity+1

Cosmic tech labs

4 roles

Senior Software Engineer II (SSE II),

Promoted

Oct 2020 – Apr 2024 · 3 yrs 6 mos

1) OmniFlix — Studio + TV + Market
Built the OmniFlix blockchain indexer (Cosmos): ordered ingestion + data models powering downstream apps
Built Studio + TV backends combining on-chain + off-chain data for creator tools and interactive video/livestream APIs
Owned reliability & scale: MongoDB replica sets, indexing/perf tuning, load balancers, Cloudflare CDN, DB backups, infra alerts/notifications
Scale: ~1.9M NFTs, ~33K listings, ~3.1K interactive videos, ~58K unique TV users (Jan 2026)
2) StreamSwap
Built backend for a time-based token swap / launch product, including a CosmWasm contract indexer
Contributed to data/indexer planning on Base/EVM for multi-contract action indexing
Traction: $3M+ raised in 1 hour with 4,500 participants; 21 successful launches
3) Validator Ops (Cosmos-based chains)
Handled chain upgrades and node operations for Cosmos-based networks
Set up and maintained stable RPC/REST API endpoints with access control and operational readiness practices
Supported troubleshooting, incident handling, and service stability for production infrastructure
4) Infrastructure (DevOps + Security + Edge + Storage)
Owned deployments and ops: Docker, GitLab CI/CD, Nginx/Caddy, SSL/TLS, routing, and load balancing
Cloud: strong Cloudflare expertise (Domains/DNS, Images CDN, Stream) + deep DNS troubleshooting
Security-first networking: UFW hardening, WireGuard tunnels, SSH jump/bastion access patterns
Storage: Hetzner Storage Box + Object Storage — file management and operational handling
Real-time platforms: Socket.io + Redis systems for scalable chat/engagement and async workloads

Node.jsBlockchain - Cosmos SDK - Validator Ops - RPC/API - IndexersDevOpsREST APIsWebSocketRedis+8

Senior Software Engineer

Promoted

Oct 2019 – Oct 2020 · 1 yr

Learned Web3 fundamentals and Cosmos SDK basics; ramped into chain concepts and data flows
Designed the backend architecture for the OmniFlix blockchain indexer (ingestion flow, data models, service boundaries)
Built indexer foundations: tx/event processing pipeline, persistence strategy, and API/query surfaces for downstream apps
Managed org infrastructure on GCP/AWS: instance operations, deployments, networking basics, and production stability support

Node.jsREST APIsBlockchainCosmos SDKCloudflareGoogle Cloud Platform (GCP)+3

Full Stack Developer

Jul 2018 – Sep 2019 · 1 yr 2 mos

Built DAM platform from scratch — MongoDB schema design (assets/collections/metadata), backend APIs (CRUD/search), and RBAC (roles/permissions) enforced across user + admin workflows
Delivered end-to-end backend for a financing/trade-finance platform — loan/finance request lifecycle, document handling, HelloSign e-signing, email notifications, and admin controls
Owned deployments + release workflows and set up early CI/CD pipelines for production delivery

Node.jsExpress.jsMongoDBSendGridHelloSignPipelines+1