Etan Zapinsky Email & Phone Number

South San Francisco, California, Us

New York, New York, Us

• Teach intro web development skills (HTML, CSS, Javascript) to high school students in under-resourced schools as member of 4 person volunteer team.

New York, New York, Us

• First software engineer. Contributing member of original 3 person team. Partnered with the founder to scale team from 3 to 55 employees. Bootstrapped the core engineering, security, compliance, product, regulatory, and support processes. Assisted in seed round financing by analyzing go to market, creating sections of pitch deck, and presenting to VCs.• Core product engineer across the frontend and backend: – Coordinated with other early engineers to build consensus around initial company tooling and application architecture: Go, Protobuf, Typescript, React Native, Kubernetes, MySQL. – Prototyped beta product focusing on authentication, payments, and plan details. – Developed the first marketing website with external design agency and 2 frontend engineers. – Architected responsive document rendering engine to display documents on mobile, desktop web, and PDFs for paper printing and mailing.• Product manager that defined roadmap across member, employer, and dentist experiences: – Prioritized features and developed project plan to ship major member app update. – Onboarded 5,000 new members for general availability launch in January 2020. – Analyzed competitors and conducted user interviews to draft initial product specifications and user stories for the employer and dentist dashboards.• Security officer that developed policies, procedures, standards, and IT infrastructure with a team of lawyers and an infrastructure engineer. Successfully completed audits in 2019 and 2020 with no gaps (2019: SOC2 Type 1, HIPAA; 2020: SOC2 Type 2, HIPAA).• Primary internal point of contact that defined 50 state dental TPA licensing strategy and worked with team of lawyers and compliance specialists. Successfully received all licenses in 50 states by product launch.• Interim manager for 2 member support team. Helped define the roadmap, built out tools and processes, and conducted weekly 1:1s with team members to achieve their career goals.

• Freelanced for Cedar, a healthcare startup, enhancing the chat framework and member experience.• Prototyped several interactive multimedia art projects with a focus on analog representation of digital phenomenons (QR Code paintings, unicode encoding, silhouette boxes).

San Francisco, Ca, Us

• Expanded Square Feedback as primary engineer to support a more adaptable messaging framework which increased engagement between merchants and their buyers by 20%.• Coordinated technical integrations with the Square Directory platform to centralize merchants’ customers across all Square products.• Devised core infrastructure improvements to internal Go application framework.• Implemented stream processing to reduce computational workload over 100 million item dataset by 50%.• Consolidated customer activity data to leverage shared tooling, reduce system complexity and process 3 million daily events.• Mentored summer intern who successfully created and launched employee attributed customer notes.

Chicago, Illinois, Us

•Mentored two local eighth graders from underserved communities with a focus on interpersonal skills.•Collaborated with one student on wireframe for transit app and the other on a board game to encourage their unique talents.

• Held weekly recitation session and office hours.• Graded homework assignments and tests.

• Led student group of over 250 active members.• Collaborated with board to create exciting social, educational and charity programming.• Redesigned website to increase accessibility of information.

New York, Ny, Us

• Architected and built a meta-build system to increase productivity for over 80 developers.• Designed a domain specific language describing relevant project build information to abstract the input to the underlying toolchain generator. • Created a programmable API and command line interface for developers and end users.• Conducted an in-depth evaluation of gyp, Waf and CMake as the underlying toolchain generator.

Austin, Texas, Us

• Created API explorer bundled with updated documentation to help users quickly determine proper query for their task.• Added granular API key permissions to grant access at an endpoint level and not a site level.• Increased consistency between API endpoints to allow for a more intuitive API experience.• Built back-end of a chat bot that prompts employees for a status on their current project and displays the status on a shared web page.

New York, Ny, Us

• Developed an algorithm to alert users of trending daily deals to enhance the user experience.• Designed browser driven tests to evaluate site functionality.• Created a platform to A/B test email subject lines and maximize click through rate.• Conducted usability sessions to gather user feedback.