Zachary Johnson

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Senior Full Stack Developer

The Simple Vue

Feb 2025 - Jan 2026 (1 year)

• Championed a React with TypeScript component library and Storybook implementation that reduced frontend duplication by 47% across three products. • Orchestrated GraphQL schema design and resolver patterns with Apollo, enabling a 32% reduction in overfetching for client queries. • Piloted integration of Go microservices for platform orchestration, lowering cold-start latency by 28% for compute orchestration endpoints. • Spearheaded end-to-end features from planning to launch using TypeScript, React, and Python-based backend scripts, delivering three major releases in 12 months. • Architected CI/CD pipelines via GitHub Actions and Docker that shortened deployment lead time by 61% and increased release frequency to weekly. • Automated API co

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Senior Full Stack Software Engineer

The Simple Vue

Sep 2024 - Apr 2026 (1 year 8 months)

Full Stack Developer

Innovaccer

Aug 2023 - Nov 2024 (1 year 4 months)

• Developed React TypeScript UI modules and a centralized design system that improved cross-team reuse by 55% for healthcare data apps. • Implemented GraphQL endpoints and resolvers using Node.js and Apollo, enabling complex data joins across normalized healthcare datasets and cutting frontend load by 29%. • Constructed Python ETL utilities to normalize patient data and integrate with Postgres pipelines, processing 1.2M records per day with automated retries. • Built and maintained CI/CD workflows with CircleCI and Docker that reduced staging-to-production cycle time by 48% and enforced security scans. • Optimized Postgres indices and queries across analytic pipelines, improving daily report generation speed by 62% for care management dashb

Full Stack Developer

Ally Financial

May 2022 - Mar 2023 (11 months)

• Designed and delivered React with TypeScript components for customer-facing financial workflows, increasing feature throughput by 41% during sprint cycles. • Implemented backend services in Go for high-throughput account reconciliation endpoints, handling 2500 TPS while maintaining sub-120ms p99 latency. • Integrated GraphQL gateway layers to federate multiple microservices, reducing client-side orchestration complexity by 67%. • Introduced automated contract tests and end-to-end Cypress suites that reduced production bugs by 38% across two quarters. • Tuned MySQL and Postgres queries and added read replicas, improving reporting latency by 53% for internal analytics. • Collaborated with security and infra to adopt OAuth2 flows and hardene

Software Engineer

Ramp

Oct 2019 - Feb 2022 (2 years 5 months)

• Implemented full stack product features using React, TypeScript, and Node.js that increased customer feature adoption by 34% across finance workflows. • Built and maintained Python-based services for transaction processing and reconciliations, handling monthly volumes exceeding $120M in transaction value. • Engineered scalable backend endpoints in Go for batch processing, improving throughput by 3x and reducing job runtime by 71%. • Modeled and optimized Postgres schemas and migrations to support multi-tenant datasets, decreasing storage growth by 22% through normalization and partitioning. • Automated CI/CD with Jenkins and Docker images, enabling monthly major releases with zero rollbacks across core services. • Integrated GraphQL APIs

Frontend Web Developer

Workday

Oct 2018 - Jun 2019 (9 months)

• Delivered enterprise React components and UI patterns for HCM and analytics suites, increasing front-end consistency across modules by 72%. • Implemented responsive, accessible UI features using TypeScript and CSS modules that improved customer satisfaction scores by 14% in pilot accounts. • Collaborated with design and product teams to define UX flows and wireframes, accelerating feature sign-off time by 35%. • Developed unit and integration tests with Jest and React Testing Library, improving test coverage to 82% for key modules. • Participated in migration of legacy UI widgets to modern React architecture, reducing technical debt and lowering bundle size by 33%. • Configured build pipelines and artifact versioning, shortening release c

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