# Halil M.

> Frontend - leaning Full Stack Engineer | Reactjs, TypeScript, NextJS | Frontend Architecture, AI Tooling, Multi-Tenant SaaS | 15+ Years Building Scalable Systems

Location: San Francisco, California, United States
Profile: https://flows.cv/halil

I’m a Full Stack Engineer with over 15 years of experience building mission-critical internal tools, frontend platforms, and scalable backend services for multi-tenant cloud products (MCP). My expertise spans React.js, Next.js, TypeScript, Node.js, Go, and Python, with a strong focus on user experience, system observability, and developer velocity.

Recently, I've been developing real-time internal tools and secure interfaces that support AI systems.

## Work Experience
### Principal Full Stack Engineer (Contract) @ Bytes and Pixel
Jan 2024 – Present | California, United States
• Built dashboards and observability tools for internal teams working with evolving AI workflows and automation agents.
• Introduced AI-based internal tooling and workflow automation across the software development lifecycle (SDLC).
• Focused on building multi-tenant ready solutions designed for scale, configurability, and responsible AI use.

### Principal Frontend Engineer / Team Lead @ Cribl
Jan 2023 – Jan 2024 | San Francisco, California, United States
• Led the frontend engineering of Cribl Search, a real-time data search and visualization system across distributed sources.
• Designed and integrated advanced data visualizations (geomaps, choropleths, and interactive charts) using modern libraries, empowering users to analyze search results visually and driving broader adoption across teams.
• Designed and implemented a modular dashboarding framework; improved UI reliability and engagement by 30%.
• Played a key role in internal platform modularization.

### Senior Staff Software Engineer / Team Lead @ Rivian
Jan 2021 – Jan 2023 | Palo Alto, California, United States
• Delivered scalable full-stack systems for transaction and vehicle telemetry data, using ReactJS, Typescript, NodeJS, GraphQL, and Go.
• Created a real-time messaging and sync system using WebSockets, supporting event-driven workflows for internal teams.
• Adopted MaterialUI MUI Grid to be used across multiple teams.
• Supported the UI Accessibility Workgroup in advancing accessible design practices and ensuring compliance with A11Y standards across the organization.
• Worked on UI end-to-end testing frameworks like Cypress and Playwright.
• Explored and implemented multiple rendering strategies (virtualization, progressive loading, and memoization) to improve browser performance, optimize rendering, and uphold accessibility standards
• Championed architecture reviews and backend scalability efforts across core infrastructure.
• Created CI/CD Pipelines to improve build, test and deployment tasks.

### Senior Software Engineer / Tech Lead @ Splunk
Jan 2018 – Jan 2021 | San Francisco Bay Area
• Led frontend development for a multi-tenant cloud security platform using React and TypeScript.
• Designed a GraphQL API gateway and real-time streaming UI layer, improving performance and reducing API calls by 70%.
• Led the evaluation of data visualization libraries (ECharts, Recharts, and Highcharts) by prototyping complex charting use cases, comparing rendering performance, accessibility support, and integration with React/TypeScript. Partnered with product and design teams to recommend the best-fit solution, which improved visualization capabilities and reduced development overhead for new features.

### Senior Software Engineer / Feature Lead @ NuORDER
Jan 2017 – Jan 2018 | Greater Los Angeles Area
• Created customizable features for B2B SaaS clients, including payment and logistics integration tools.
• Contributed to multi-tenant extensibility for enterprise partners like Macy’s and Nordstrom.


## Education
### Master of Business Administration (MBA) in Marketing
San Francisco State University

### Bachelor of Applied Science (BASc) in Mechanical Engineering
Yıldız Teknik Üniversitesi


## Contact & Social
- LinkedIn: https://linkedin.com/in/halil-mersin

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Source: https://flows.cv/halil
JSON Resume: https://flows.cv/halil/resume.json
Last updated: 2026-03-29