Jesse Contreras

Senior Software Engineer with 8 years of experience building production SaaS platforms, enterprise integrations, secure authentication workflows, reporting systems, and AI enabled developer tooling. Strong in TypeScript, React, Next.js, Node.js, NestJS, MongoDB, PostgreSQL, GraphQL, REST, Docker, Kubernetes, GitHub Actions, OAuth, SAML, SCIM, WorkOS, secure SDLC, SOC 2 and GDPR aligned controls, RAG, vector search, embeddings, MCP, and local LLM workflows.

Founding Software Engineer at Chezie (2022-09 – 2025-06)

• Built and scaled multi tenant ERG management workflows using NestJS, MongoDB, GraphQL, REST APIs, Nginx, Kubernetes, and DigitalOcean, supporting enterprise customer deployments and production reliability.
• Implemented enterprise identity and directory sync workflows across OAuth, SSO, SAML, SCIM, and WorkOS, enabling customer controlled onboarding, RBAC, and secure employee data synchronization.
• Designed budget cycle and hierarchical reporting systems with rollups across groups and chapters, improving admin visibility into engagement, spend, and organizational participation.
• Built and maintained GitHub Actions CI/CD and release controls with review gates, required checks, main branch deployment workflows, and production change management practices.
• Integrated Zoom, Google Calendar, Microsoft Calendar, Slack, and enterprise identity providers into ERG event, admin, onboarding, and customer implementation workflows.
• Implemented and documented SOC 2 and GDPR aligned security controls across access management, secure SDLC, audit evidence, incident response testing, customer security reviews, and control mapping.

Lead Full Stack Developer at Leaderful (2018-01 – 2022-08)

• Built and maintained multi tenant SaaS applications using Angular, Node.js, MongoDB, and REST APIs for learning, development, and DEI workflows.
• Led development of a Slack bot adopted by 25+ organizations, improving content distribution and engagement across customer workspaces.
• Partnered with stakeholders to translate business requirements into scalable app architecture, data models, APIs, and admin workflows.
• Improved maintainability and performance across legacy Angular and Node.js services through refactors and reusable feature patterns.

Systems Developer, Contract at Epson America (2022-02 – 2022-07)

• Resolved authentication and application support issues across finance and engineering teams while improving internal documentation and support workflows.
• Scripted recurring Okta remediation and authored runbooks for OAuth, Power BI, and internal tool troubleshooting.

Full Stack Developer, Contract at Jumpin' Events (2021-01 – 2021-09)

• Built an end to end inventory and operations platform with RBAC for products, users, employee permissions, and admin workflows.
• Automated invoicing, inventory tracking, and Stripe payment workflows, reducing labor costs by more than $3K per month.
• Delivered live dashboards using Angular, RxJS, Chart.js, and custom REST APIs.

Front End Developer, Contract at Vans (2017-05 – 2017-12)

• Modernized employee training pages in Cornerstone OnDemand with tailored front end code and stakeholder feedback cycles.
• Improved usability and launch readiness for internal training experiences across targeted employee groups.

Bachelor of Science in Computer Science – California State University, Long Beach (2013)