Headline

Lead Backend Engineer | Distributed Systems & Cloud Infrastructure | Node.js, PHP, Go Kubernetes, ArgoCD, GCP | Fintech & SaaS Architecture

About

Backend and Infrastructure Engineer specializing in high-performance cloud architecture, microservices scaling, and GitOps automation for fintech and SaaS platforms. I turn complex infrastructure challenges into secure, reliable, and observable systems. KEY HIGHLIGHTS: • Infrastructure Migration: Orchestrated the zero-downtime migration of 40+ microservices from bare metal to a production-grade GKE Kubernetes cluster using Kustomize and ArgoCD. • Security & Compliance: Implemented robust GDPR-compliant database auditing systems and enforced strict intra-cluster traffic security using mTLS. • Engineering Leadership: Led backend development cycles for core financial applications, directing Node.js feature teams and co-leading PHP architecture initiatives. • Developer Tooling: Engineered custom Go-based command-line interface tools to automate internal workflows, infrastructure checks, and build pipelines. CORE TECHNOLOGIES: • Backend: Go, Node.js, PHP, Laravel, NestJS, TypeScript • Infrastructure & DevOps: Kubernetes, Docker, ArgoCD, GCP, AWS, Linux • Databases & Architecture: PostgreSQL, MySQL, Distributed Microservices, REST/gRPC APIs Let's connect if you're looking for an engineer who excels at building resilient backend systems and scalable infrastructure.

Location

Bengaluru

AI stack

antigravity

claude code

gemini

mcp

ollama

opencode

Work experience

Lead Product Engineer at 7Unit, Mar 2023 - Present · 3 yrs 6 mos, Pune District, Maharashtra, India, Lead Backend & Infrastructure Engineer (Fintech Sector) System Architecture & Migration: Orchestrated the end-to-end migration of 40+ core microservices from bare-metal infrastructure to a production-grade Google Kubernetes Engine (GKE) cluster, leveraging ArgoCD and Kustomize for automated GitOps deployments. Security & Compliance: Designed and implemented a GDPR-compliant database auditing architecture, integrating strict data logging controls and securing intra-cluster microservice communication via mTLS. Team Leadership & Delivery: Directed the Node.js engineering team as sole lead and co-led the PHP development lifecycle, aligning sprint goals with scalable system architecture and secure payment gateway integrations. Backend Engineer / Software Developer Automation & Tooling: Developed custom command-line interface (CLI) utilities in Go to automate development workflows, infrastructure health-checks, and deployment validation. Performance Optimization: Optimized database query execution and API response latency across high-traffic Node.js and Laravel applications, significantly improving system throughput. Collaborative Development: Collaborated closely with cross-functional product and compliance teams on high-stakes software solutions, ensuring code quality through rigorous peer reviews and automated CI/CD pipelines.

Back End Developer at StackZeal Private Limited, Oct 2018 - Mar 2023 · 4 yrs 6 mos, - Architected backend systems for multiple SaaS platforms including talent and learning management systems. - Designed and implemented Node.js and REST-based APIs supporting high-traffic user workflows. - Optimized database schemas and queries achieving up to 30x performance improvements. - Built a high-volume email delivery and tracking system using AWS SES (150k+ emails/day). - Led migration of backend services to AWS improving scalability and reliability.

Education

Bachelor of Engineering, Electrical, Electronics and Communications Engineering, JSPM University Pune

St. Joseph's High School

Public links

github: https://github.com/rambhosale