sajag singh

Built agentic development workflows with Claude Code, Cursor, and OpenAI Codex, plus custom MCP servers, automating code review, refactoring, and test generation. Designed multi-agent automations on n8n and Make.com for incident triage, remediation PRs, and release notes.

Led production engineering for a high-scale SaaS customer engagement platform, resolving complex distributed-system incidents and introducing AI-assisted incident triage. Instituted health-monitoring and SLO practices to inform architectural improvements and capacity planning.

Led a 25-person engineering and product organization delivering 8–10 concurrent SaaS and digital-transformation programs end-to-end. Architected and shipped a Node.js + Angular LMS and a Laravel + Angular Asset Management portal, and established CI/CD pipelines and engineering standards.

Owned architecture for the Event Handling Module of a multi-tenant SaaS platform serving hotels in 100+ countries. Led migration of a 10-year-old codebase from PHP 5 to PHP 7 with zero business disruption and built internal tooling for Git-based versioning of MySQL stored procedures.

Architected and shipped PHP, Node.js, and Android applications for a diverse enterprise client base, orchestrating API integrations and partner onboarding. Established CI/CD pipelines and engineering standards that reduced release cycle times and improved code quality.

Engineered high-throughput distributed backend services handling 10,000+ requests/second in production ad-tech environments.

Delivered end-to-end PHP and Java projects from requirements through deployment, owning quality and stakeholder communication.

Pursued a Bachelor of Technology degree, focusing on engineering fundamentals and technical skills.