- Built a payment service processing $40M a year across three gateways, with automatic rollback of failed transactions
- Cut order sync failures by 85% by moving ERP integrations onto an SQS-backed queue
- Shipped a RAG support assistant that now resolves 30% of tickets without an agent
Backend-focused software engineer with 7 years of experience building APIs, payment integrations and data pipelines. Known for reliable systems, clear documentation and shipping LLM features to production.
Languages: TypeScript, JavaScript, Python, PHP, SQL
Frameworks: Node.js, Express.js, FastAPI, Django, Laravel, React.js
APIs & Integrations: REST APIs, Webhooks, Queue Processing, Scheduled Jobs, Data Synchronization, HubSpot, Shopify, Xero
Payments & FinTech: Payment Gateway Integration (Stripe), Deposits and Withdrawals, Transaction Rollback, KYC Workflows
Databases: PostgreSQL, MySQL, Supabase, Vector Databases
Cloud & DevOps: AWS (EC2, S3, RDS, SQS), Google Cloud Platform (GCP), Docker, Git
AI & LLM: LLM Application Development, Retrieval-Augmented Generation (RAG), Embeddings, LangChain, Prompt Engineering
- Developed REST APIs and webhooks used by 200+ merchant integrations
- Reduced average API response time from 800 ms to 220 ms through query tuning and caching
- Added server-side event tracking that recovered 18% of lost conversion data