# Niranjan Timilsina > Software Engineer | 15+ Years in Scalable Web Platforms | Tech Leader & Mentor Location: San Francisco, California, United States Profile: https://flows.cv/niranjantimilsina I’m a self‑motivated software engineer with 15+ years of experience building scalable web platforms and guiding teams through complex technical challenges. I bring a passion for programming, strong communication skills, and a drive to learn and apply innovative technologies. My current expertise includes Ruby, Rust, PostgreSQL, and Redis, with a proven track record in system migrations, API design, and infrastructure optimization. I also have hands‑on experience with React and AWS services such as S3, DynamoDB, SNS, and SQS. Earlier in my career I worked extensively with PHP, JavaScript frameworks, and enterprise stacks, giving me a broad foundation across multiple languages and platforms. Known for delivering cost‑saving initiatives, improving developer productivity, and shipping features that delight users, I combine technical depth with a collaborative spirit to drive impact. ## Work Experience ### Staff Software Engineer @ Fieldwire by Hilti Jan 2023 – Present • Led design and delivery of projects including S3 usage optimization, core system upgrades, and third‑party integrations. • Learned and used Rust language for file/photo storage optimization, improving performance and reducing costs. • Executed Rails and Postgres upgrades with no downtime. • Enhanced admin usability and streamlined unit testing, cutting CI pipeline run duration. ### Staff Software Engineer/Engineering Manager @ Fieldwire by Hilti Jan 2022 – Jan 2023 • Managed a multi‑level engineering team: 1:1s, career conversations, performance reviews, and promotions. • Mentored engineers and unblocked projects, delivering features such as form calculations, permissions and notifications. • Led redesign of live database tables and executed large‑scale data migration, streamlining storage and enabling reuse of existing user data. • Modernized legacy dependencies (AngularJS → Angular) and optimized DB schema for performance and de‑duplication. • Improved team processes to boost productivity and reduce burnout. • Built onboarding playbooks and pairing setups, expediting new‑hire ramp‑up time. ### Staff Software Engineer @ Fieldwire by Hilti Jan 2020 – Jan 2022 | San Francisco Bay Area • Architected and implemented features including authentication refactor, email verification, and API key delivery, rate limiter, backend performance improvements, split db reads and writes, research and design a CDC workflow prototype using Kafka • Led cross‑team platform projects to remove scalability bottlenecks and modernize critical components. • Established system‑wide architecture and security patterns such as centralized utilities to handle repetitive task. • Drove infrastructure cost‑optimization efforts, reducing spend without service degradation • Authored runbooks and on‑call playbooks to improve incident response and onboarding. ### Senior Software Engineer @ Trulia Jan 2016 – Jan 2019 • Designed and delivered features such as Rent Near Transit, Lead Forms, Hero Images, and Local Pages. • Owned the Post Lead Engine API (Slim + MySQL on AWS), powering lead delivery at scale. • Built and maintained React/Redux based npm packages for Rentals, improving developer productivity. • Enhanced AWS Lambda‑based lead pipeline architecture for enrichment, reliability and scalability. • Migrated trulia web app from legacy PHP/jQuery/YUI monolith to modern React/GraphQL/NextJS micro‑stacks. • Mentored new hires and interns, fostering a collaborative engineering culture. ### Software Engineer @ Trulia Jan 2013 – Jan 2015 • Contributed to Trulia’s proprietary PHP MVC framework and mobile web stack (Slim API + Node.js). • Designed and developed new modules using PHP, MySQL, Solr, HTML, JS, and Backbone. • Built scalable leads delivery pipeline interfacing with third‑party APIs; architected a recovery system to mitigate API failures. • Facilitated A/B testing across site sections to improve user engagement. • Supported migration to modern stacks and improved cross‑browser compatibility. • Helped onboard new hires and documented best practices. ### Web Software Developer @ QuinStreet Jan 2010 – Jan 2013 • Design and develop high traffic web applications/websites using PHP, MySQL, XHTML, JS, CSS etc. and PHP Frameworks such as Zend, CodeIgniter • Test and debug developed applications • Check and maintain cross web-browser compatibility in the newly developed as well as existing websites • Document the developed products/features in internal wiki • Design and implement A/B testing on different features/sections of sites. • Contribute to the common libraries - that serve hundreds of QuinStreet websites by adding/enhancing their features • Support/maintain legacy websites with code clean-up, bug-fixes, re-design, code rewrites and migration to the newer libraries and frameworks • Build out new features in the exisitng sites using XHTML, CSS, JS • Provide support to the business users in understanding the company proprietary softwares and applications • Help the stakeholders of the sites I work-on in prioritizing and grouping the tasks and also in decision making for new features/projects ### Software Engineer/Web Developer @ San Francisco State University Jan 2008 – Jan 2010 • Developed highly scalable web applications using PHP, MySQL, Javascript, XML, CSS and X/D/HTML • Tested and debugged the codes for the newly developed as well as existing products • Conducted usability test and addressed the issues discovered • Implemented multi-tiered data access authorization for users based on the company hierarchy - a top administrator could see and change any data while a front-desk user could only see only the tickets to resolve • Modified and enhanced the provided UI to suit the project requirements • Built backend and business logic required for the applications following the specified guidelines • Seamlessly adapted to the requirement changes as the applications evolved ### Web Developer/Team Lead @ EBPearls Pvt Ltd Jan 2005 – Jan 2007 • Built high traffic and secure web sites for various nature such as Ecommerce, CMS, Event Management, Auction, Automatic site builder, Project management suite, Web portal management suite • Worked using Server Side Scripting Languages such as PHP, ASP, ASP.NET • Used X/D/HTML, CSS for presentation module • Implemented Client Side Scripting languages such as javascript, vbscript as well as newer technologies such as AJAX • Developed data-driven applications based on different data sources such as CSV, EXCEL, XML, RDBMS • Used Relational Database Systems like MSAccess, MSSQL, MySQL and PostGRESQL • Managed the PHP Team, distributed and supervised tasks, channeled communications, helped and motivated team members to complete their projects on time ### Web Development Intern @ Mercantile Communications Pvt. Ltd Jan 2004 – Jan 2004 • Learned and used ASP Classic, VBScript and Javascript • Studied and implemented MSSQL and MS Access • Built school calendar management web application using the technologies learned ## Education ### MS in Computer Science/Software Engineering San Francisco State University ### BS in Computer Science/Information Technology Dr. A.P.J. Abdul Kalam Technical University ### Asssociate in Science Tribhuvan University ## Contact & Social - LinkedIn: https://linkedin.com/in/ntimilsina - Website: http://niranjantimilsina.com.np/ --- Source: https://flows.cv/niranjantimilsina JSON Resume: https://flows.cv/niranjantimilsina/resume.json Last updated: 2026-04-01