# Daniel Rosensweig > Senior Software Engineer at Dassault Systémes, and Tenor Vocalist Location: Boston, Massachusetts, United States Profile: https://flows.cv/danielrosensweig Full-stack software engineer, skilled in automation scripting, functional and object oriented programming, front and back-end web development. Proficient in design and implementation of data structures and databases. Architects, builds, tests, maintains, and supports software through the full product lifecycle. Collaborates effectively in cross-functional teams to achieve project goals and drive deliverables. ## Work Experience ### Senior Software Engineer @ Dassault Systèmes Jan 2022 – Present • Built system enabling customers to securely execute custom scripts on Dassault’s hardware, and addressed security concerns by running these scripts in Docker containers. • Built system and settings for running non-simulation jobs in Docker containers. • Expanded and improved sharing API, to manage external files that will be accessible to containerized jobs. • Built scripts to enable running simulations and auxiliary jobs without directly calling API, and modified API to receive such calls. • Increased security and maintainability for Gitlab, Artifactory, and Jenkins, by migrating, upgrading, and Dockerizing servers. Maintained these systems by promptly applying security updates. • Decreased new engineer onboarding time and frustration by correcting and improving outdated documentation. • Increased security and modularity of large Grails application by refactoring to remove/replace vulnerable components, separate different functionality layers, and enable major version upgrades. • Transitioned database from MySQL to MariaDB, to support infrastructure changes. ### Full-Stack Software Engineer @ American Well Jan 2019 – Jan 2022 | Boston, MA • Converted one-time customers (patients) to repeat visitors by building integration for doctors to order lab tests, receive results, and follow-up with patients through our telehealth platform.  • Led team in managing bi-weekly AWS deployments of several microservices, ensured stable releases, fixed late-term problems, assessed risk and proposed mitigating strategies for remaining bugs, and verified success once deployed.  • Saved ongoing labor through automated detection of production failures and streamlining monitoring process, by finding likely failure points, then creating dashboards and relevant alerts in AWS Cloudwatch and ArgoCD.  • Built full-stack applications and microservices with Javascript, Java, SQL, Angular, Dojo, HTTP, CSS. ### DevOps/Build Engineer @ Cognizant Jan 2018 – Jan 2019 | Lowell, MA • Increased speed and reliability of 60+ nightly builds running 11K+ test suites each through parallelization, new in-house tools for change-based regression testing, and differentiation of hard vs. flaky test failures.  • Maintained a large Jenkins cluster with 600+ nodes, CMS, and in-house web services for large financial corporation.  • Provided support for other developers on system-level problems.  • Practiced pair-programming in a scaled agile framework (SAFe) environment, with SQL, Perl, Bash, Groovy, Grails, Java, and Python. ### Senior Tutor in Web Development @ Trilogy Education Services Jan 2017 – Jan 2018 | Boston, MA • Tutored 40+ web development students.  • Achieved average student rating of 4.74 out of 5, across three metrics.  • Guided students in building their own unique capstone projects.  • Assessed diverse projects quickly, diagnosed and fixed logic and syntax, taught complex concepts and debugging processes using Object Oriented Programming, MySQL, MongoDB, Node, React, Git, Javascript. ### Musician and Music Educator @ Freelance Jan 2008 – Jan 2018 • Ran my own business for 16 years.  • Taught 5-15 voice students, 4-6 music composition classes.  • Broke down complex concepts into simple parts.  • Collaborated in groups, accompanied students and self at piano, sang for 5+ choirs, ranging from classical to jazz to Scandinavian folk music, and a doo-wop band.  • Toured Europe with professional singing groups.  • Full-time musical career ~2008-18 continues part-time on the side through today. ## Education ### Full Stack Web Development Thinkful Jan 2016 – Jan 2017 ### Computer Science University of Massachusetts Lowell Jan 2011 – Jan 2011 ### BA in Music Williams College Jan 2004 – Jan 2008 ### High School Diploma Andover High School Jan 2000 – Jan 2004 ## Contact & Social - LinkedIn: https://linkedin.com/in/rosensweig --- Source: https://flows.cv/danielrosensweig JSON Resume: https://flows.cv/danielrosensweig/resume.json Last updated: 2026-03-22