Dona Jose is a high-performing Senior Software Engineer with close to a decade of experience driving scalability and product growth at top-tier companies, including Slack, Dropbox, Microsoft, and Visa. She excels in full-stack development using technologies like React, TypeScript, Hack, and Python , specializing in architecting highly scalable systems, such as owning the critical Activity tab at Slack which supports 3K–4K requests per second. A proven builder of impactful features, her work has led to significant business results, including a 712% increase in organized files at Dropbox and major conversion improvements in the purchase funnel. Dona brings extensive experience in building zero-to-one products, driving initiatives from initial concept through successful launch.
Beyond her technical expertise, Dona is a recognized leader in the global tech community. She serves as a Global Volunteer Leader with AnitaB.org, supporting over 40 communities worldwide, and is a Google Women Techmakers Ambassador. She is deeply committed to advancing diversity and inclusion in technology, and actively mentors students and early-career professionals. Recently, she launched Show Your Worth Circles, a 10-week leadership development program designed to help professionals build confidence, expand their influence, and lead with intention.
Experience
Aug 2024 - Nov 2025
Salesforce Inc (Slack)
Senior Software Engineer
Spearheaded development for critical, high-traffic components, including the Slack Activity tab, consistently handling 3,000–4,000 requests per second and serving millions of global users daily. Significantly expanded feature functionality to drive user engagement, integrating support for direct messages and user alerts. Supported the architectural evolution, including the upgrade to the Unified Grid System, to enhance platform scalability and performance. Led a key database migration that consolidated data sources into a single table for the Activity tab, resulting in a 30%+ reduction in query complexity and a boost in data accuracy and latency. Designed and implemented server-level bulk action features (archive, mark read/unread) to streamline user workflows and drastically reduce manual overhead.
Software Engineer
Developed APIs that help users organize folders using personalized rules based on keywords, dates, size, and file types, resulting in over 3.2 million files being organized each week. Redesigned the naming convention UI to support rule-based customization, which led to a 712% increase in organized files and a 300% improvement in rule application. Led the effort to add machine learning-based search for video content and helped build a new surface in Dropbox for managing video files, allowing users to perform actions like editing and sharing. Additionally, contributed to Dropbox Replay, a tool for providing feedback on rich media, and improved team processes by creating clear guidelines for on-call rotations and development workflows.
Nov 2021 - Aug 2024
Dropbox Inc
Jun 2019 - Nov 2021
Microsoft Corp
Software Engineer II
Played a key role in launching the Customer Metrics Dashboard for Office Online, growing it from a two-person incubation to a fully funded project. Built a React dashboard to display usage, reliability, and performance metrics, enabling 50% faster decision-making for leadership and CX teams. Engineered an optimized database schema, improving data retrieval by 25% and cutting storage by 50%. Developed scripts to extract and schedule metric processing from raw logs, and built a CX portal for customer visit notes. Integrated tools like Kensho, AAD, and Cognitive Services for logging, translation, and anomaly detection. Led GDPR compliance efforts, enhancing the PII leak detection tool to reduce false positives by 60%.
Jun 2017 - Jun 2019
Visa Inc
Senior Software Engineer
Re-architected the customer data storage system by migrating from Oracle to NoSQL (Cassandra) for improved scalability. Enhanced payment gateways with multi-level indexed field parsing to streamline transaction flows. Refactored key components, reducing build times by 50%. Led code coverage improvement efforts across the organization, achieving a 27% increase in 10 months using tools like JaCoCo and Cobertura. Boosted developer productivity by integrating Docker and JRebel, and actively monitored and resolved production issues.
Jun 2016 - Aug 2016
Sabre Airline Solutions
Software Developer Intern
Developed a log analyzer tool using ELK (Elastic Search, Kibana and Logstash) stack and shell script to analyze the log files generated by the Flight Schedule Manager. The log analyzer generated visual report from the extracted data and aided troubleshooting and performance analysis.
Aug 2014 - Jun 2015
Cognizant
Programmer Analyst
Implemented deposit, withdrawal of money from accounts, bank statement generation for a Bank Management System using Java, HTML and CSS. Handled database creation and management. Integrated other modules from team members and the user interface to complete the system.
Education
Masters in Computer Science from University of Texas at Arlington
2015 - 2017
Bachelors in Computer Science from Rajagiri School of Engineering, India
2010 - 2014
Skills
Dec 2024 - Present
ClickUp
Senior Software Engineer
Serving as a Senior Software Engineer within the ClickUp Chat Squad, responsible for the development and maintenance of core real-time communication features essential for millions of users worldwide. Focused on enhancing the performance, reliability, and user experience of the in-platform chat system. The role involves contributing to a high-scale environment to ensure a seamless and efficient communication backbone across the ClickUp productivity platform.
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