Senior Backend Architect

Senior Backend Architect

Promoted to Senior Backend Architect after demonstrating architectural ownership across the company's multi product SaaS ecosystem.

Own the technical direction of backend engineering across three strategic products while partnering with engineering and executive leadership on long term architecture decisions.

Architecture Leadership

Responsible for:

• Backend architecture and system design

• Multi tenant platform architecture

• Engineering standards and technical governance

• Cloud infrastructure and deployment strategy

• CI/CD and DevOps

• Technical planning and pre sales

• Architecture reviews and technical leadership

Multi Product SaaS Platform

Lead the backend architecture for:

• Real Estate ERP

• Property CRM

• PropTech Trading Platform

Designed reusable platform services shared across products while maintaining secure tenant isolation and operational consistency.

Performance Engineering

Improved backend performance by redesigning database access and caching strategies.

Key achievements include:

• Reduced critical API latency from ~200 ms to ~20 ms

• Compound indexing

• Query optimization

• Redis cache aside strategy

• DTO projection optimization

Published the implementation as an open source performance case study with reproducible benchmarks.

Multi Tenant Architecture

Implemented PostgreSQL Row Level Security (RLS) to enforce tenant isolation at the database level.

Released a reusable open source starter with automated integration tests validating tenant isolation.

AI Platform

Introduced semantic search using:

• pgvector

• OpenAI

• Anthropic Claude

• Retrieval Augmented Generation (RAG)

Infrastructure

Own production engineering across:

• VPS staging

• Cloud production

• Docker

• GitHub Actions CI/CD

• Application monitoring

• Infrastructure observability

Technologies

NestJS • PostgreSQL • Redis • Docker • GitHub Actions • pgvector • OpenAI • Claude • RAG • PostgreSQL RLS • Multi Tenant SaaS