Abhay Mahajan
Senior Full-Stack & DevOps Engineer · Former Technical Lead
11+ years building, scaling and operating production systems across fintech, healthtech and SaaS. Currently owning end-to-end AWS infrastructure, CI/CD and full-stack development at a regulated Indian fintech (ImpactGuru). Previously led engineering teams for 6–7 years at agencies delivering for EU, UK, Canada and US clients. Hands-on with PCI DSS, IRDAI and SOC 2-style audits.
Core Stack
Full-Stack
PHP 8 · Laravel · CodeIgniter · Node.js · React · Vue 3 · Inertia.js · REST APIs · jQuery
DevOps & Cloud
AWS (EC2, ALB, RDS, S3, CloudFront, IAM, VPC, Route 53, CloudWatch) · GitHub Actions · Docker · Nginx · Apache · Hetzner · cPanel/WHM
Data & Compliance
MySQL · PostgreSQL · MongoDB · Redis · Elasticsearch · ClickHouse · PCI DSS · IRDAI · SOC 2 · Cloudflare · WAF
Full skill matrix on the Stack page.
Featured Work
Case Studies
AWS Cost Optimisation: Eliminating $750/mo CloudFront Spend
Routed image-heavy CDN traffic through a Cloudflare subdomain — CloudFront cost dropped from $750 to $0.
Read Case Study →ClickHouse Analytics Pipeline for Marketing Strategy Reporting
Log-ingestion pipeline into ClickHouse powering analytical reports that inform marketing decisions.
Read Case Study →Zero-Downtime PHP 8.4 Migration on Live Infrastructure
Migrated production to PHP 8.4 with zero downtime.
Read Case Study →