Nadun Dilshan

BotCalm (Pvt) Ltd

• Developed and maintained scalable backend microservices using Go, PostgreSQL, Kafka, GraphQL, and Docker for enterprise iGaming and compliance platforms.
• Built full-stack features using Go, Node.js, Next.js, React, and TypeScript, delivering secure and high-performance customer-facing applications.
• Implemented KYC, AML, and compliance workflows by integrating Shufti Pro identity verification and customer risk management systems.
• Integrated multiple payment providers including Plaid, LinkMoney, NowPayments, and ACH banking services to support secure deposit and withdrawal flows.
• Designed event-driven architectures with Kafka, implementing audit logging, asynchronous processing, webhook handling, and distributed event consumers.
• Developed multi-tenant services with role-based authorization, secure APIs, and scalable data models for enterprise SaaS platforms.
• Improved system reliability through automated testing, bug fixing, performance optimization, and production issue investigation.
• Collaborated in Agile Scrum teams, participating in sprint planning, code reviews, architecture discussions, and cross-functional feature delivery.

BotCalm (Pvt) Ltd

• Developed and maintained full-stack web applications using Node.js, Express.js, Next.js, React, MongoDB, and PostgreSQL.
• Built REST APIs and responsive frontend interfaces for iGaming platforms and internal business applications.
• Implemented reusable UI components, optimized backend queries, and resolved production issues to improve application performance.
• Worked with Git, Postman, Docker, and modern development workflows in a collaborative Agile environment.
• Participated in sprint planning, daily stand-ups, testing, and code reviews while delivering new features and bug fixes.

Self-Employed

• Designed and developed custom full-stack web applications using Next.js, React, Node.js, Express.js, MongoDB, and PostgreSQL.
• Built business management systems, booking platforms, and client portals tailored to real-world business requirements.
• Integrated secure online payment gateways including PayHere for seamless online transactions.
• Designed secure authentication systems using JWT, role-based access control, and API-driven architectures.
• Managed complete software development lifecycle from requirement gathering and UI design to deployment and maintenance.
• Collaborated directly with clients remotely and on-site, providing technical consultation, progress updates, and ongoing support.