Sandesh Nilas Khatiwada

Senior Full Stack Engineer & Technical Lead

Professional Summary

Senior Full Stack Engineer with 3+ years of experience designing, building, and scaling high-performance web applications for U.S.-based and international clients. Proven expertise in PERN (PostgreSQL, Express, React, Node.js) and MERN stacks, AWS serverless infrastructure (Lambda, S3, CloudFront), Docker-based containerization, and automated CI/CD pipelines. Delivered mission-critical systems including a Data-as-a-Service platform for U.S. immigration analytics and a healthcare case-tracking application for the Women's Refugee Commission. Experienced technical leader with a track record of mentoring junior engineers, architecting scalable database schemas, and reducing deployment errors by 40%. Available immediately for senior engineering, full-stack, or technical-lead roles (remote strongly preferred).

Technical Skills

Languages JavaScript (ES2022+), TypeScript, SQL, HTML5, CSS3
Frontend React.js, Next.js, D3.js, Tailwind CSS, Responsive Design
Backend Node.js, Express.js, RESTful APIs, GraphQL, Middleware
Databases PostgreSQL, MySQL, MongoDB, Redis (caching & sessions)
ORM / Query Prisma, Knex.js, Sequelize, Raw SQL Optimization
Cloud & DevOps AWS Lambda, S3, CloudFront, Docker, CI/CD pipelines, VPS, Nginx
Auth & Security JWT, Bcrypt, Zod, OAuth2, HTTPS/TLS, PCI-compliant flows
Integrations Stripe, PayPal (webhooks), NationBuilder, Multer, SendGrid
Tools Git, GitHub, Postman, Jira, VS Code, Linux CLI
Leadership System Architecture, Code Review, Agile/Scrum, Team Mentoring

Professional Experience

Senior Software Engineer Aug 2025 – Present
Relevant Research Maryland, United States

Act as the internal SME for AWS, architecting scalable serverless environments using AWS Lambda, S3, and CloudFront to optimize content delivery and reduce infrastructure costs. Engineering a mission-critical HR Management System (PERN Stack), defining system architecture and database normalization strategies using Prisma. Architected and optimized RESTful services in Node.js, implementing advanced caching strategies and middleware to support high-concurrency internal tools. Leading the development of accessible, high-performance UI systems with React.js, ensuring cross-browser compatibility and sub-2-second load times. Directed the technical integration of NationBuilder with custom-built static sites to drive large-scale digital campaign management and stakeholder outreach.

AWS Lambda S3 CloudFront Node.js React.js PERN Stack Prisma NationBuilder TypeScript
Software Engineer Jul 2024 – Aug 2025
Relevant Research Maryland, United States

Engineered a Data-as-a-Service (DaaS) platform for U.S. immigration datasets, utilizing React and D3.js to transform complex raw data into actionable visual insights. Designed and maintained PostgreSQL schemas for large-scale ICE analytics, optimizing complex SQL queries to support scalable, real-time data processing. Developed core backend services using the PERN stack, establishing the foundation for the company's HR management ecosystem.

React D3.js PostgreSQL Node.js Express.js PERN Stack
Software Engineer Feb 2025 – Aug 2025
DanpheLink Pvt. Ltd. Kamalpokhari, Kathmandu, Nepal

Directed the technical roadmap for cross-functional teams, reducing project delivery bottlenecks through improved workflow automation and internal communication. Modernized deployment infrastructure by containerizing applications with Docker, resulting in consistent development-to-production environments. Implemented automated CI/CD pipelines on VPS environments, reducing manual deployment errors by 40%. Mentored a team of junior developers, conducting code reviews and technical workshops that increased overall team velocity and code quality.

Docker CI/CD VPS Team Leadership Agile
Software Engineer Sep 2023 – Jun 2024
GreenByte Technologies Kathmandu, Nepal

Spearheaded the development of a high-traffic eCommerce API (Eclat) using Node.js and Express, ensuring modularity and high availability. Engineered secure financial transaction workflows by integrating Stripe and PayPal SDKs, handling complex webhooks, and ensuring PCI-compliant payment processing. Implemented Redis for session management and data caching, significantly reducing database load and improving API response times. Leveraged Prisma ORM and Knex with MySQL to design complex relational schemas, optimizing query performance for inventory management and order tracking. Developed a robust multi-layered security system using JWT, Bcrypt, and Zod for strict schema validation.

Node.js Express.js MySQL Prisma Redis Stripe PayPal JWT Bcrypt Zod
Intern Jun 2023 – Aug 2023
GreenByte Technologies Kathmandu, Nepal

Contributed to the core RESTful API development for the Eclat platform, focusing on CRUD operations for product and user modules. Implemented Multer for efficient handling of multi-part form data, enabling seamless image uploads for product galleries. Assisted in managing database versioning and migrations using Prisma, ensuring consistency across development and staging environments. Explored the integration of D3.js for backend-driven data reporting, laying the groundwork for sales analytics dashboards.

Node.js Express.js Multer Prisma D3.js REST APIs

Key Projects

Detention Pregnancy Tracker - WRC

Developed for Women's Refugee Commission (WRC) in the US, this critical web application tracks and monitors pregnancy cases in detention centers, helping ensure proper care and support for detained pregnant women.

React Node.js Healthcare Social Impact
Relevant Research Platform

Contributed to the development and maintenance of Relevant Research's primary platform, implementing advanced research tools and data visualization features for academic research.

Full Stack Research Tools Data Visualization
Michael Paarlberg Academic Portfolio

Designed and developed a professional portfolio website for Michael Paarlberg, featuring a clean, academic-focused design with publication management and content organization.

Web Design Content Management Academic
Lory Rosenberg Legal

Created a professional website for immigration law expert Lory Rosenberg, integrating content management systems and legal resource organization.

Legal Tech CMS Professional Services
ImmProf Legal Blog Platform

Developed a specialized blogging platform for immigration professionals, featuring advanced content management, user authentication, and resource sharing capabilities.

Blogging Platform Legal Tech Content Management
Naima Nepal NGO Platform

Developed the official website for Naima Nepal, incorporating modern design principles, donation management, and robust content management capabilities for this prominent non-profit organization.

Web Development Non-Profit Donation Management
DanpheLink Technology Corporate Site

Created and maintained the corporate website for DanpheLink Technology, showcasing their services, portfolio, and technological expertise with a modern, professional design.

Corporate Website Technology UI/UX
DanpheLink Nepal Branch

Developed the Nepal branch website for DanpheLink, featuring localized content and services while maintaining brand consistency and user experience.

Web Development Localization Corporate
Garuda News Portal

Built and deployed the Garuda news portal, implementing advanced features like real-time updates, article management, and user engagement tools for seamless content delivery.

News Portal Content Management Real-time Updates
D Production Media Platform

Designed and developed the D Production website, incorporating multimedia content management, portfolio showcase, and video streaming features for the production company.

Media Portfolio Video Streaming

Education

Bachelor of Science in Computer Science & Information Technology (BSc CSIT)
Tribhuvan University — Nepal
2019 – 2023

Additional Information

Languages English (Professional), Nepali (Native)
Work Auth Nepal Citizen · Open to work visa sponsorship
Availability Immediate · Full-time · Remote Worldwide
Time Zone NPT (UTC+5:45) · Flexible overlap with US/EU teams
Methodologies Agile / Scrum, Git Flow, TDD, Code Review Culture
Interests Open Source, System Design, Cloud Architecture