# Oana Theogarajan > Experienced software engineer | Tech Lead | Problem solver Location: Greater Boston, United States Profile: https://flows.cv/oana Particle physicist turned software engineer and loving it. Results-driven staff engineer with 11+ years of backend and full-stack experience, specializing in scalable systems, database optimization, and cross-functional leadership. Proven ability to mentor engineers, lead high-impact projects, and quickly adapt to new technologies (Ruby on Rails, Python/Django, .NET), consistently driving product improvements and delivering on critical deadlines. Dedicated to solving complex problems for both customers and development teams. ## Work Experience ### Staff Software Engineer @ Mindbody Jan 2021 – Present | Greater Boston - Led a high-priority cross-team initiative to achieve 98% 10DLC registration compliance ahead of the deadline, preventing $120K in penalties and service interruptions to our customers, and outperforming similar ISVs. - Quickly adapted an incomplete registration system to meet urgent compliance requirements and spearheaded a data model redesign that improved system stability, observability, and maintainability. - Onboarded and mentored engineers new to Ruby on Rails, elevating team code quality and reducing technical debt while meeting tight deadlines. - Without prior experience in Python/Django, led a team to optimize a high-traffic database query, achieving a six-fold speed improvement that reduced key endpoint latency by 25%. - Found low effort-high impact opportunities and made changes to reduce load, speed up local development and deployment, improve maintainability and extensibility in parts of the code - Integrated OpenAI’s API into an existing chatbot framework to automate FAQ handling, reducing human intervention by 20%. - Led the team’s first development of a service in C# (.NET), drawing on organizational knowledge and quickly upskilling in the framework. Created a reusable template for Kubernetes cron job scaffolding to streamline future projects. - Provided technical guidance on high-priority issues, such as coordinating data recovery efforts post-incident and creating strategies for cross-domain data synchronization in support of a major company-wide initiative. ### Senior Software Engineer @ Mindbody Jan 2019 – Jan 2021 | San Francisco Bay Area - Acted as technical lead and architect for the marketing suite department consisting of 15-20 engineers, advising and mentoring more junior engineers, and acting as technical point of contact with other technical departments within the company. - Architected and led the implementation of a CRM microservice, adapting it from a team-specific service to support use cases across the organization, as well as complex legacy data synchronization. - Independently took over and completed a critical business microservice, which supports API calls for 60+ microservices and Lambda functions, and is relied on by additional services through Kinesis event consumption. - Developed convenience gems to streamline event handling for consuming services, adopted by approximately 7 Ruby on Rails services supporting eventing. ### Senior Software Engineer @ Copper Inc. Jan 2017 – Jan 2019 | San Francisco Bay Area - Served as tech lead for a new site-wide developer API initiative, establishing standards and guiding adoption across a team of 40+ engineers. - Developed a provisioning API to streamline setup processes for end users. - Designed and implemented offline support for the company’s Android app - Full stack for ~ half a year (Ruby on Rails/Ember), then back-end after the team was organized into server and client devs ### Software Engineer @ Copper Inc. Jan 2016 – Jan 2017 | San Francisco Bay Area ### Senior Software Engineer @ Stitch Fix Jan 2015 – Jan 2016 | San Francisco Bay Area - Full stack development in Ruby on Rails/JavaScript - Developed end to end new features needed by the merchandising team, improved existing features ### Software Engineer @ AppFolio Inc. Jan 2013 – Jan 2015 - Full stack web developer working on back-end (Ruby on Rails, MySql) and front-end (Javascript, CSS, HTML) - Work in small interdisciplinary teams using Agile practices - Actively involved in all stages of the software development lifecycle - defining requirements, design, implementation, testing - Worked on the architecture team tackling the restructuring of a monolithic app towards a micro-service architecture ## Education ### Master of Science - MS in Computer Science UC Santa Barbara ### Doctor of Philosophy - PhD in Physics Yale University ## Contact & Social - LinkedIn: https://linkedin.com/in/oanatheogarajan --- Source: https://flows.cv/oana JSON Resume: https://flows.cv/oana/resume.json Last updated: 2026-03-31