Kamalesh B

Results-driven Software Engineer with nearly 4 years of experience in full-stack development, mobile application engineering, and scalable data solutions. Experienced in delivering high-performance, maintainable, and production-ready systems in fast-paced environments. Strong expertise in backend architecture, cloud integrations, and cross-functional collaboration to deliver secure and scalable applications.

Software Development Engineer at Privasapien (2025-07 – Present)

• Architected a privacy-first middleware gateway in Go (Echo), orchestrating secure communication across 5+ microservices and integrating enterprise-grade LLM providers.
• Designed multi-tenant backend systems using MongoDB and RBAC, reducing manual access-control effort by ~40% through policy-driven authorization.
• Automated compliance workflows using Kafka and Redis for Data Subject Rights (DSR) processing, improving operational turnaround time through audit logging and real-time notifications.
• Strengthened platform security through JWT authentication, rate limiting, and MinIO (S3-compatible storage), ensuring production-ready compliance and resilience.
• Tech Stack: React.js(Vite), Go (Golang), Echo, MongoDB, Kafka, Redis, MinIO (S3), Docker, JWT/OAuth2

Software Development Engineer at Drishtee (2024-08 – 2025-07)

• Engineered scalable hybrid mobile applications using React Native and Node.js, enabling faster feature delivery and improving cross-platform user experience.
• Designed an AI-powered test automation platform leveraging Hugging Face LLMs to capture user interactions and generate natural-language test cases, reducing manual QA effort by ~50%.
• Integrated Microsoft Dynamics 365 Business Central to streamline expense tracking and improve financial reporting accuracy.
• Optimized backend services and deployment workflows using FastAPI and MongoDB, reducing API response latency by ~25% while improving system reliability.
• Tech Stack: React Native, React.js, Node.js, FastAPI, MongoDB, Puppeteer, Hugging Face LLM, Socket.IO

Software Development Engineer at Tutorpoint (2023-03 – 2024-07)

• Delivered scalable full-stack applications using React, Express, MongoDB, and GCP, supporting business-critical workflows.
• Enhanced REST APIs and database performance, improving application efficiency by 20%.
• Boosted website traffic by 35% through SEO optimization, analytics, and heatmap-driven improvements.
• Maintained reliable cloud deployment pipelines on GCP, ensuring 99.9% uptime.
• Tech Stack: React.js, Next.js, Express.js, MongoDB, GCP, RESTful APIs, SEO, Git, Docker.

Data Engineer at HP Inc. (2022-02 – 2022-07)

• Designed interactive Power BI dashboards to visualize enterprise-scale datasets and support strategic business decisions.
• Refactored Spark queries into Python, improving processing efficiency and maintainability of analytics workflows.
• Established a custom Python library integrating SSIS tools, automating ETL operations and reducing repetitive engineering effort.
• Partnered on Azure-based data pipeline optimization initiatives to improve operational efficiency.
• Tech Stack: Python, Power BI, SSIS, SQL Server, Azure

Bachelor of Technology in Computer Science and Engineering – Pondicherry Engineering College (2018 – 2022)