Software Engineer
Micro SaaS Capital
• Scaled acquired SaaS products from early post-acquisition stage to > $1M ARR, contributing across Nolt.io, Testmail.app, QuestionScout, and Handbooks.io. • Led infrastructure overhaul by migrating from AWS ECS to self-managed Docker Swarm on EC2, reducing costs and improving deployment flexibility. • Architected multi-region (US/EU) system with traffic steering and ¡5 min downtime, ensuring GDPR-compliant data residency. • Built end-to-end CI/CD pipeline (GitHub Actions → Docker Hub → Webhooks) with blue-green deployments and automated rollback, maintaining 99.9% uptime. • Designed and scaled an 8-service microservice architecture with GraphQL, Redis-based rate limiting, and service discovery. • Implemented Postgres-based distributed locking and resilient cron system, eliminating duplicate job execution in production. • Replaced Algolia with PostgreSQL full-text + vector search (tsvector, pg trgm, pgvector), reducing external dependency costs and improving query performance. • Built multi-LLM orchestration layer (OpenAI, Cohere, Gemini) with BYOK support, rate limiting, and content moderation pipeline. • Optimized infrastructure costs by fixing Redis memory leaks (8GB → 2GB) and implementing incremental CI builds. • Implemented observability stack using Datadog, distributed tracing, and centralized logging (Fluentbit → S3 → Humio) for production monitoring and alerting. • Led zero-downtime migrations (Heroku → AWS, region migrations, S3/Redis transitions) and built internal tooling for preview environments and domain orchestration. • Mentored and managed a team of interns by assigning tasks, reviewing PRs, and guiding them through end-to-end feature development across frontend, backend, and infrastructure. • Conducted 80+ technical interviews for SDE and DevOps roles, contributing to hiring and team scaling efforts.