# Joshua Ostroff > Software Developer Location: New York, New York, United States Profile: https://flows.cv/joshuaostroff Experienced software engineer. Skilled in Java, Spring, C#, .NET, JavaScript, TypeScript, Angular, HTML & CSS, and SQL. Enthusiastic engineering professional with a Bachelor of Science - BS focused in Mathematics and Computer Science from University of Rochester. Github: https://github.com/jostroff ## Work Experience ### Software Engineer @ The Depository Trust & Clearing Corporation (DTCC) Jan 2024 – Jan 2024 | New York, New York, United States ● Implemented and enhanced new dashboard interfaces and APIs based on treasury clearing data to better calculate daily liquidity needs for thousands of banks, funds, and other asset managers using Java’s Spring framework, Angular, and Kubernetes ● Created forms, database configurations, and navigation components to modernize clearing fund infrastructure for hundreds of new financial and investing attributes, using Spring and Angular ### Software Engineer @ Parallax Volatility Advisers, LP Jan 2023 – Jan 2023 | New York, New York, United States Improved performance of hedge fund’s high frequency trading algorithm by creating data scientific frameworks and analytical tools: ● Generated statistical reports on financial Greeks for firm’s hundreds of thousands of daily trades, leading to enhancing analysts’ ability to compare investments against different index funds, using Java’s Spring and Chronicle frameworks ● Incorporated reports into data loaders to help classify trades interactively in a browser, improving organizational capabilities among different transactions for the 20 billion dollars in assets under management spread across the overall fund ● Created tools for drilling down large segments of data in a browser to help traders identify trends in hundreds of earnings metrics and enable more granular views, using JavaFX ● Automated verification system to ensure daily trading performances are recorded, confirming through email and other alert systems triggered in Jenkins of any data discrepancies, thereby reducing overall time of verification by 90% ### Software Engineer @ JPMorgan Chase & Co. Jan 2021 – Jan 2023 | New York, New York, United States Built new self-directed investing tools to enhance digital banking infrastructures: ● Decoupled large monolithic digital investment API into microservices to better handle increase of load from 4 million users to 60 million, using Java’s Spring framework, Kubernetes ● Onboarded metrics and performance tracking technologies like BlazeMeter and Splunk logging onto new applications to better organize thousands of daily calls made to new API ● Generated class structures from swagger files in accordance with hundreds of API governance standards and banking rules, adhering to larger organizational policies ● Designed and implemented project and module structure for new APIs from scratch, saw through development life cycle, ensured UI and database compatibility, created unit and integration testing for hundreds of classes using SonarQube ● Documented business logic, functionalities, and technologies used for new microservices in Confluence pages and Jira tickets ### Software Developer @ NTT DATA Jan 2019 – Jan 2021 Used modern frameworks to bring simplicity to data and optimize paths to insights for Harvard Pilgrim Health Care: ● Developed and maintained a file distribution system categorizing 16,000+ insurance documents, improving search response time to business users seeking plans that meet their specified criteria, using Spring ● Modernized legacy data transformation display tool to simplify comparison of plans, accommodating aspects of new file types and over 450 new benefits, using Spring and Angular ● Modified transformations between raw data and product data to display benefits according to hundreds of past and incoming health insurance rules, reducing time of plan editing for over 200 insurance providers, using Spring and XSLTs ● Wrote web applications to transform JSON and CSV files with 5000+ entries into dynamic web pages for comparing different aspects of coverage among plans, using Angular ### Marketing Analyst @ Innovation BaseCamp Jan 2018 – Jan 2018 | Be’er Sheva Area, Israel - Analyzed university research projects to see business startup potential. - Helped build and develop BaseCamp website in Wix. - Collected information for other university locations, tech transfers, and research potential for opening BaseCamp elsewhere. ### Research Assistant @ University of Rochester Jan 2017 – Jan 2017 Research assistant for Mathematics Professor Alex Iosevich for the 2017 summer Research Experience for Undergraduates (REU) program. Project investigated The Box Problem in Two and Higher Dimensions. The subjects mainly involved were combinatorics, analysis, and algebra. This problem also proved useful for applications in other areas such as number theory and geometry. ### Teaching Assistant @ University of Rochester Jan 2016 – Jan 2016 | Rochester, New York Area Teaching assistant for MTH 171: Honors Calculus I at University of Rochester. Responsibilities included helping students in homework assignments, helping students understand the current material, and grading homework and exams. ### Online Tutor @ Varsity Tutors Jan 2016 – Jan 2016 Online tutor for Varsity Tutors from June to August of 2016. Responsibilities included teaching high school to college-aged students subjects ranging from high school Algebra 1 to Calculus II, all via online drawing board and video calls. ### Counselor @ ESF Summer Day Camps Jan 2015 – Jan 2015 Camp Counselor at ESF Summer Camps, located in Haverford, PA, from June to August of 2015. Responsibilities included preparing activities, teaching games, and more for campers aged 6 to 15. ## Education ### Bachelor of Science - BS in Mathematics and Computer Science University of Rochester Jan 2015 – Jan 2019 ## Contact & Social - LinkedIn: https://linkedin.com/in/joshua-ostroff-2844b2120 --- Source: https://flows.cv/joshuaostroff JSON Resume: https://flows.cv/joshuaostroff/resume.json Last updated: 2026-03-23