# Benjamin Cohen > Senior Software Engineer | Expertise in React, MUI, Next.js ​> Can AI solve frontend as a discipline? Location: Salt Lake City, Utah, United States Profile: https://flows.cv/benjamincohen As a Senior Software Engineer at SoFi, I bring over seven years of experience in software development, specializing in frontend technologies. My expertise includes TS, React, MUI, Next, Tanstack, and Optimizely, with a strong focus on creating efficient and reliable interfaces using React and its ecosystem. At SoFi, I contribute to building production-level systems while collaborating with designers and product managers to deliver pixel-perfect user experiences. I worked on the student loan refinance funnel and drove A/B testing leading to a $9 million increase in MRR. ## Work Experience ### Software Development Expert @ Mercor Jan 2026 – Present Creating rubrics and related metadata for arbitrary software development problems for a frontier AI lab. Essentially I'm the 'human feedback' in a RLHF loop with the goal of increasing the scope and complexity of what an AI can reasonably accomplish in a large codebase. ### Senior Software Engineer @ SoFi Jan 2023 – Jan 2025 | Salt Lake City, Utah, United States Co-led rollout of SoFi’s unified design system, building reusable React components adopted by 6+ product teams. Redesigned the Student Loan Refinancing funnel with said design system and partnered with backend teams to transition API layer from REST to GraphQL. Designed and implemented A/B experiments improving conversion by ~3% resulting in a $12M monthly revenue lift. ### Lead Software Instructor @ Code Platoon Jan 2022 – Jan 2023 | United States Taught modern full-stack development at a not-for-profit helping military veterans transition to software careers. Rewrote our assessments and built an automated GitHub Actions pipeline for instant feedback and CI/CD grading, reducing assessment turnaround from days to seconds. ### Senior Software Engineer @ DUOS Jan 2021 – Jan 2022 Owned all frontend surfaces (marketing, internal ops, and consumer mobile) for DUOS’s senior-care platform. Built robust automated testing (unit, integration, e2e) integrated with CI/CD to ensure rapid, stable releases. ### Frontend Developer III @ ServiceMaster Jan 2019 – Jan 2021 Delivered full redesign of flagship brand sites and checkout flow, modernizing UX for millions of annual users. Introduced automated test coverage (Jest, Cypress) that ensure feature parity and minimize regressions as we transitioned to the new site architecture. ### Software Instructor @ Fullstack Academy Jan 2016 – Jan 2019 | New York, New York, United States Early engineer/instructor at one of the first major coding bootcamps (successfully acquired in 2019). Delivered lectures on full-stack development and led curriculum migration from Angular 1.x to React. Mentored hundreds of engineers now at top tech companies ### Software Development Engineer @ Microsoft Jan 2014 – Jan 2016 | Redmond, Washington Developed internal UI tools enabling support engineers to train early AI models (Cortana) on Windows and Office troubleshooting flows. ### Teaching Assistant @ Johns Hopkins University Jan 2013 – Jan 2014 | Baltimore, Maryland ### Research Assistant @ Johns Hopkins University Jan 2013 – Jan 2013 | Baltimore, Maryland Contributed to the design of a statically-typed functional scripting language (“Big Bang”) with full type inference in Haskell. ### Research Assistant @ National Science Foundation Jan 2012 – Jan 2012 | Houston, Texas Built NLP classifier for hotel review fraud detection, improving model accuracy from 89% → 94% using NLTK and scikit-learn. ## Education ### Bachelor's Degree in Computer Science The Johns Hopkins University Jan 2010 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/aloofbuddha - Website: https://thealoofbuddha.dev - GitHub: https://github.com/aloofbuddha --- Source: https://flows.cv/benjamincohen JSON Resume: https://flows.cv/benjamincohen/resume.json Last updated: 2026-03-22