SA
Sagar Chand Agarwal

Sagar Chand Agarwal

Backend & Platform Engineer · Engineering Leader

Summary

Engineering leader with 9+ years building Python backends, distributed data platforms and engineering teams for fintech and SaaS. As CTO at BeyondIRR, grew engineering from 2 to 15, architected a multi-tenant portfolio platform serving 10K+ clients across isolated AWS / Azure / Kubernetes deployments, shipped a multi-agent AI system for financial insights, and led ISO 27001 and DPDP compliance. Founder of portfolio.ltd, a studio for privacy-first apps and open-source developer tools.

Experience

Chief Technology Officer Jan 2024 – May 2026
BeyondIRR · Hyderabad, India
  • Grew engineering from 2 to 15 across data, backend and frontend; set hiring bar, review culture and on-call.
  • Architected a multi-tenant SaaS platform for portfolio management: 10K+ clients, 9+ enterprise deployments on isolated AWS / Azure / Kubernetes stacks.
  • Built a multi-agent AI orchestration platform for financial insights and a RAG pipeline with PgVector over 1M+ products.
  • Led DevOps for 30+ services, ISO 27001 certification and DPDP compliance end to end.
  • Drove ₹2+ Cr in new business through enterprise deployments and platform capabilities.
Pydantic AIFastAPILangChainPostgreSQLPgVectorKubernetesAWSAzureGrafanaISO 27001
Software Engineering Team Lead Apr 2022 – Dec 2023
BeyondIRR · Hyderabad, India
  • Led the InvestLane platform, a multi-sector investment data system.
  • Rebuilt the core analytics backend, cutting API latency from 8s to 400ms.
  • Owned ETL for mutual fund NAV calculations and portfolio reconciliation.
  • Established CI/CD standards and a code review culture.
FastAPIPythonPostgreSQLReactJSCI/CD
Lead Software Consultant Feb 2021 – Apr 2022
Accelerlist · Remote · via InfoFractals, my consultancy
  • Built RESTful APIs in Python / Flask for an Amazon and eBay marketplace SaaS platform.
  • Integrated the Amazon MWS API for order management and inventory sync.
  • Designed PostgreSQL schemas and Redis caching for high-throughput e-commerce data.
PythonFlaskPostgreSQLRedis
Senior Software Consultant Dec 2019 – Feb 2021
Team8 Solutions LLC · Hyderabad, India · via InfoFractals, my consultancy
  • Built a high-throughput candidate and job indexing system on PostgreSQL + Elasticsearch, designed for petabyte-scale filtering.
  • Deployed containerized services on Kubernetes with scalable batch pipelines for automated candidate matching.
KubernetesElasticsearchPostgreSQL
Software Engineer Mar 2018 – Dec 2019
TechSophy · Hyderabad, India
  • Built REST APIs and microservices on the TXP enterprise platform.
  • Implemented real-time conversational AI (Rasa NLU) integrated into event-driven backend pipelines.
PythonRasa NLUNode.js

Open source & community

  • Founder, portfolio.ltd (2026 – present): Notchday and NutriTrack (App Store), LocalSpend, Commitline, Sky Voyage; open-source Gravel, AppShots, Audit SaaS, Home TV.
  • 3× Google Summer of Code contributor and mentor with KDE; Mozilla contributor; GitHub Arctic Code Vault contributor.
  • Speaker at FossAsia 2016 (Singapore) and QtCon 2016 (Berlin); organised KDE India 2016, OWASP 2016, WikiToLearn 2017.

Education

M.S. Machine Learning & AI
Liverpool John Moores University
2020 – 2022
PG Diploma, Machine Learning & AI
IIIT Bangalore
2020 – 2021
B.Tech. Computer & Communications
LNMIIT Jaipur
2013 – 2017

Skills

PythonGoSQLTypeScriptSwiftKotlinDartFastAPIDjangoFlaskCeleryNode.jsRESTgRPCPydantic AILangChainRAGPgVectorRasa NLUClaude / OpenAI APIsPostgreSQLRedisClickHouseElasticsearchETL pipelinesKubernetesDockerAWSAzureGCPCircleCIGrafanaISO 27001DPDPMulti-tenant SaaSTeam buildingNext.js