Node.Js Developer

Built backend services and user-facing product features for a crypto wallet integrated with a neobank platform. Led the end-to-end backend rework of the investment portfolio product (v2), owning architecture, API design, business logic, and delivery — covering portfolio tracking, position management, and profit and loss (P&L) analytics. Designed and implemented APIs and backend business logic using NestJS and TypeScript, including Rain and Bridge integrations supporting 1,000+ transactions per day. Integrated Web3 infrastructure using Wagmi, Viem, and Zerodev for a platform serving 60,000+ users. Collaborated with product, frontend, and blockchain teams to deliver secure financial transaction flows and investment features. Contributed across the stack to ship end-to-end product functionality in a fast-moving fintech environment. Performed code reviews and collaborated with the team on technical decisions and API design.

Designed and implemented backend services for a Loan Origination System used by financial institutions and supporting 300,000+ users. Built scalable microservices with Node.js, TypeScript, and NestJS to support loan processing workflows and service-to-service communication. Developed APIs and core business logic for financial operations, validations, and workflow orchestration. Integrated internal services with local banking systems and third-party financial infrastructure. Implemented event-driven pipelines with Apache Kafka and Kafka Streams to support reliable processing of 100+ loan applications per week. Designed and optimized PostgreSQL and MongoDB schemas to support performance, maintainability, and business growth. Contributed to deployment and delivery processes using Docker, Kubernetes, and GitLab CI/CD. Conducted regular code reviews and contributed to engineering standards across the backend team. Served as a technical resource for junior team members, providing guidance on architecture decisions and code quality.

Delivered features for influencer marketing platforms, CRM systems, and analytics tools. Developed a plugin marketplace for web platforms, enabling third-party developers to publish and manage extensions. Built scheduling and automation features for business platforms in collaboration with distributed teams.