Zeeshan's CV
Zeeshan Sarwar
Technical Lead | Backend Engineering
Profile summary
Accomplished Technical Lead with 9 years of progressive experience in backend engineering and distributed systems architecture. Track record of directing multi-region platform delivery, building event-driven worker services, and constructing robust observability stacks across 4 organizations. Dedicated to establishing technical standards, enforcing code quality, and implementing scalable microservices using Go and PostgreSQL.
Career highlights
Platform Architecture and Microservices: Directs architecture and delivery for a multi-region platform consisting of 32 Go microservices, establishing technical strategy, service boundaries, and coding standards.
Event-Driven Action Execution: Built an event-driven action-execution layer replacing cron jobs with long-running worker services using PostgreSQL-backed job queues and crash recovery.
Observability Stack Implementation: Constructed a self-hosted observability stack using Prometheus, Grafana, Loki, Tempo, and Alertmanager with a shared Go instrumentation package.
Key skills
Professional experience
Directs architecture and delivery for a multi-region platform consisting of 32 Go microservices, establishing technical strategy, service boundaries, and coding standards. Owns backend integrations for AI analytics features, tenant isolation, and regional data residency requirements while coordinating database engineering and schema migrations across services.
- Constructs a self-hosted observability stack using Prometheus, Grafana, Loki, Tempo, and Alertmanager with a shared Go instrumentation package.
- Builds an event-driven action-execution layer replacing cron jobs with long-running worker services using PostgreSQL-backed job queues and crash recovery.
- Manages CI/CD infrastructure, Docker, Kubernetes, and path-filtered GitHub Actions pipelines where features ship with regression tests.
- Reviews code and guides engineering teams on architectural choices while using agentic coding tools and prototyping tool integrations.
Managed backend engineering operations, determining architectural pathways and technology selections to maintain system reliability across distributed services while establishing engineering standards.
- Designed backend system architecture and selected frameworks, databases, and infrastructure patterns for distributed services.
- Enforced code quality through reviews and coding standards, and drove integration across frontend, DevOps, and QA.
Directed architecture and implementation for a mission-critical cybersecurity platform across backend and frontend systems within an Agile team structure.
- Built and maintained Go microservices using gRPC with a focus on scalability, security, and performance.
- Designed high-performance data layers using PostgreSQL and MongoDB, and built automated unit and integration tests to ensure product quality.
- Conducted code reviews and provided technical guidance to junior engineers across Go, Python, PHP, and React.
Directed backend engineering operations and technical architecture, focusing on core framework development and database management systems. Managed code repositories and software delivery cycles through Git version control.
- Designed and built API web services and e-commerce features using PHP MVC and HMVC frameworks including Laravel, CodeIgniter, and OpenCart.
- Optimized databases to improve query performance and application responsiveness.
- Integrated payment gateways such as HyperPay, Telr, and PayPal for transaction processing.
- Built web applications using Laravel and CodeIgniter frameworks.
- Developed API services to support internal features and data exchange.
- Built a real-time online chat application to enable instant user messaging features and support live user communication.
Education
Computer Science
Computer Science