ASAbout Ashish
Senior backend engineer with ~5 years of experience architecting scalable, secure systems for high-traffic apps using Node.js (NestJS, Express), Python (Django, FastAPI), PostgreSQL/Redis/Elasticsearch, and multi-cloud stacks (AWS, GCP, Cloudflare). Optimized APIs for 1M+ users and 400K+ daily requests with sub-100ms latency at Whydonate.com, integrated Stripe/Razorpay payments and zero-downtime CI/CD with GitHub Actions/Docker.
Core Skills: Node.js/NestJS/TypeScript, Python/FastAPI, PostgreSQL/MySQL/Redis, AWS Lambda/S3/RDS, Cloudflare Workers/DNS, Microservices, Payment Integrations, Load Balancing/Rate Limiting, Supabase.
For backend tuning, cloud migrations, or fintech setups, I deliver efficient, scalable solutions.
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- Whydonate.comSenior Backend EngineerOctober 2022 - Today (3 years and 8 months)Amsterdam, Netherlands• Architected a microservices-based backend for 1M+ users, handling 400K+ API requests/day with sub-100ms latency using message queues, caching, and load balancing.• Reduced API response times by 70% through performance tuning and optimizing database queries.• Implemented custom domain features with SSL/DNS integrations via Cloudflare for 1K+ domains.• Enhanced CI/CD workflows, cutting build times from 6 minutes to 1 minute.• Built an Admin Portal for real-time analytics and interactive charts to support data-driven decisions.• Mentored junior developers on performance optimization and best practices.
- Seezil Technology Pvt. Ltd.Software DeveloperApril 2021 - October 2021 (6 months)Guwahati, Assam, India• Boosted search API performance by 40% through code refactoring and query optimization.• Refactored legacy systems with MVC architecture, reducing bugs by 30%.
- Blue BellSoftware DeveloperJanuary 2020 - March 2021 (1 year and 2 months)Guwahati, Assam, India• Built an internal Question Paper Generator, automating score distribution and reducing manual work.• Developed backend systems for a quiz app handling thousands of concurrent users.
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Education
- Bachelor of TechnologyAssam Don Bosco University2019Bachelor of Technology
- Higher SecondaryTinsukia English Academy2014Higher Secondary