Varun Pathania

Architected and delivered a cloud-native, multi-tenant data platform on AWS from scratch, covering ingestion, validation, transformation, and auditing. Designed scalable pipelines using Step Functions and EMR, built flexible ingestion for streaming and files, implemented S3-based data lake, and owned end-to-end system design, dynamic pipeline provisioning, and observability.

Led architecture design for large-scale enterprise applications focusing on scalability, performance, and maintainability. Defined design standards and best practices, built backend systems in C#/ASP.NET and Angular frontends, mentored teams, collaborated with global stakeholders, and guided key system design and implementation decisions.

Led a team of software engineers developing accounting domain applications (now Hashchain Fintech LLP). Ensured code quality and delivery standards across projects, tracked development progress, and provided hands-on technical guidance. Established the development ecosystem, including issue tracking, workflows, and CI/CD pipelines to streamline delivery and improve efficiency.

Invoice Automation