Senior Software Engineer

Ryeker J. Herndon

Hansen, ID 208-***-**** ********@**********.*** linkedin.com/in/ryekerjherndon github.com/ryekerjh github.com/ryeker-herndon-lark

Summary

Senior Software Engineer with over 10 years of experience leading teams and architecting scalable mobile and web applications using React Native, TypeScript, and AWS. Proven expertise in driving technical standards, mentoring engineers, and delivering impactful features for 40K+ users. Skilled in cross-functional collaboration, code quality improvement, and shaping engineering roadmaps. Seeking a senior engineering or leadership role in a dynamic organization.

Technical Skills

● Frontend: React, React Native, TypeScript, Redux, Jotai, Context, Swift (native modules)

● Backend: Node.js, Nest.js, Java, Kotlin, GraphQL, REST

● Databases: MongoDB, Postgres, MySQL, Firestore

● DevOps: AWS, Docker, CircleCI, Fastlane, GitHub Actions, Git

● Authentication: JWT, OAuth/OAuth2, Firebase Authentication

● APIs: Google APIs (Calendar, Sheets, Maps), RapidAPI, MapBox Professional Experience

Lark Technologies, Mountain View, CA

Senior Software Engineer II March 2022 – April 2025

● Lead a team of 8 engineers to deliver new features to 40,000+ users, enhancing React Native mobile app functionality and user engagement.

● Reduced production bugs by spearheading the rehabilitation of poorly written code, resolving critical P0 issues and improving system reliability.

● Developed and enforced company-wide coding standards and best practices, mentoring engineers and leading React Native and code review training sessions.

● Collaborated with product, sales, and data science teams to establish feature development standards, accelerating delivery timelines ].

● Defined “Definition of Ready” and “Definition of Done” standards, driving adherence during sprint planning and reducing rework.

● Designed technical interview challenges and led candidate screens, contributing to the hiring of 5 high-caliber engineers.

● Served on a company-wide “strike team,” shaping the engineering roadmap and aligning technical priorities with business goals.

Brief Media, Tulsa, OK

Senior Front End Engineer & Team Lead June 2021 – March 2022

● Architected a globally distributed veterinary care app with React Native and AWS, serving 50K+ professionals with improved accessibility.

● Trained 6 junior/mid-level developers in React and RESTful API practices, cutting onboarding time by 25%.

● Implemented Firebase Authentication-as-a-Service, migrating legacy data to Firestore with role-based access for 10K+ users.

● Led CI/CD adoption with GitHub Actions and AWS, reducing deployment times by 40%. Redesign.co, Twin Falls, ID

Senior Software Developer / Web Development Team Lead March 2021 – June 2021

● Directed a team of 5 international developers, delivering 10+ client projects on time using React, Node.js, and WordPress.

● Built a custom SEO analytics app with Node.js and RapidAPI, improving client search rankings by an average of 15 positions.

● Established SOPs for deployment and code quality, boosting team efficiency by 30%. Shift3 Technologies, Fresno, CA

Senior Software Developer November 2016 – March 2021

● Led development of 15+ React/React Native projects worth $1M+ for clients like a global seed distributor and government entities.

● Built reusable Node.js/TypeScript boilerplates, adopted company-wide, cutting project setup time by 20%.

● Implemented CI/CD with AWS and Fastlane, optimizing assets and reducing load times by 35%. Earlier Roles

● Front End Developer, Bitwise Industries, Fresno, CA (2015–2016): Built Angular apps for municipal clients.

● HTML/CSS/JavaScript Instructor, Geekwise Academy, Fresno, CA (2016–2018): Taught web development to 50+ students.

Education

B.A., English Literature

California State University, Fresno January 2009 – May 2011

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