# Sunnia Y. > Senior Software Engineer at Kustomer | formerly: Akasa, Audible/Amazon | AWS Developer Associate Location: United States, United States Profile: https://flows.cv/sunnia Software Engineer with a passion for creating inclusive, delightful customer experiences. ## Work Experience ### Senior Software Engineer @ Kustomer Jan 2023 – Present Tech lead for Apps team. Previously: deterministic AI team, automations team. ### Senior Software Engineer @ AKASA Jan 2022 – Jan 2023 • Developed and maintained web automation and machine learning tools to support Revenue Cycle Management processes for hospital clients. Utilized Python, JavaScript, TypeScript, Node.js, Kubernetes, Docker, PostgreSQL, Puppeteer, and Playwright to streamline operations and improve accuracy. • Designed and managed APIs for hospital claim and prior authorization verification, helping ensure timely insurer reimbursements and reducing administrative burden. Built with Python and FastAPI. • Standardized monitoring metrics and alerting systems across the engineering org using Grafana, Kibana, InfluxDB, PostgreSQL, and YAML, improving observability and incident response. • Led a Women in Tech affinity group (10–15 members), organizing company-wide lunch tech talks across four U.S. time zones. Mentored junior engineers on technical growth, career development, and AWS certification preparation. ### Software Development Engineer II on Alexa @ Audible, Inc. Jan 2018 – Jan 2022 | Cambridge, Massachusetts, United States • Led end-to-end design and launch of Audible shopping notifications on Alexa, managing a cross-functional team of 4 engineers over 9 months. Delivered 5.2M notifications within the first 2 months, contributing to an 11% uplift in consumption revenue. • Designed and shipped Audible membership subscription features for Alexa across 7 global marketplaces. Led a 5-engineer team to deliver personalized user experiences based on customer segmentation, handling 70K+ daily requests (120K+ at peak). • Directed the audit and migration of AWS resources across accounts, leading 6 engineers and aligning with 3 stakeholder teams. Achieved cost savings on DynamoDB, added encryption to Kinesis streams, and maintained full metrics coverage. • Independently built and launched a high-visibility purchasing feature in one week as a side project. Resulted in 7K+ daily requests and a 240% increase in listening consumption over 6 months. • Worked primarily with Java, Git, Alexa SDK, and AWS, contributing to scalable, production-ready backend systems. • Participated in site reliability engineering (SRE) on-call rotation, resolving outages, security incidents, and customer-facing issues every 6 weeks. • Mentored a 2020 summer intern, providing daily milestone planning and technical guidance on a React & Spring web application. • Career mentor for Amazon Women in Engineering interns (2018, 2019, 2021), leading weekly 1:1s to coach interns on feedback, team dynamics, and AWS certification preparation. ### Software Development Engineer on Android and iOS @ Audible, Inc. Jan 2017 – Jan 2018 | Greater Boston Area • Launched an Audible promotional feature on the iOS Kindle app using Objective-C, and authored technical documentation to ensure feature parity across iOS, Android, and Web platforms. • Delivered multiple incremental releases of the Audible app on Amazon Fire devices, working extensively with the Android SDK in Java and Kotlin to ensure stability and performance. • Mentored a 2018 summer intern, providing weekly milestone planning and technical guidance on an Android project built in Java. ### Teaching Assistant: Fundamental Algorithms, Python for the Sciences @ Wellesley College Jan 2016 – Jan 2017 | Wellesley, MA • Held weekly drop-in hours where I helped algorithms students review key concepts and natural science students debug Matlab and Python code. • Graded algorithms students’ homework assignments and led algorithms review sessions before exams. ### Software Developer Engineer Intern @ Audible, Inc. Jan 2016 – Jan 2016 | Greater Boston Area • Built a feature for the Audible app on Amazon’s Fire Tablet and Fire TV. Wrote and tested Java code on FireOS (a modified Android OS). • Designed the UX and tech docs for the project. Worked with a 7-person local team and led communications with a remote team. • Won Honorable Mention (and favorite idea) in a company-wide intern hackathon/business pitch, judged by a group of Audible’s C-level executives. ### Research Assistant: Building Profiling and Debugging Tools for Multithreaded Programs @ Wellesley College Jan 2015 – Jan 2015 | Wellesley, MA Profiled multithreaded programs with Prof. Benjamin Wood in order to increase the performance of current multithreaded debugging tools. ### Research Assistant: Visualizing Education Data @ Wellesley College Jan 2014 – Jan 2015 | Wellesley, MA Created an interactive timeline with Prof. Eni Mustafaraj summarizing 46+ years of computing history at Wellesley College, for the CS Department's 32nd anniversary event, at https://cs.wellesley.edu/timeline ### Tech Coordinator: 2014 First Year Orientation @ Wellesley College Jan 2014 – Jan 2014 | Wellesley, MA Coordinated social media communications and managed digital forms for new student orientation. Served as a student leader by assisting with logistics, guiding students around campus, addressing parent questions, and supporting technical setup. ### Research Assistant: Grading the Privacy of Smartphone Apps @ Carnegie Mellon University Jan 2014 – Jan 2014 | Pittsburgh, PA Designed a recommendation algorithm with Prof. Jason Hong for PrivacyGrade.org, a website that evaluates the privacy settings of Android apps. ## Education ### Bachelor's degree in Computer Science Wellesley College Jan 2013 – Jan 2017 ### Study Abroad in Linguistics Aix-Marseille University Jan 2015 – Jan 2015 ### Study Abroad in Geopolitics Sciences Po Aix Jan 2015 – Jan 2015 ### Cross-registered in Computer Science Massachusetts Institute of Technology Jan 2015 – Jan 2015 ### Cross-registered in Engineering Franklin W. Olin College of Engineering Jan 2014 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/sunniaye --- Source: https://flows.cv/sunnia JSON Resume: https://flows.cv/sunnia/resume.json Last updated: 2026-03-22