Full-Stack Java Engineer with Clearance

John Tyler Guess

Phone: 205-***-**** Email: **************@******.** Location: Chelsea, AL

Versatile software engineer with an active secret clearance, strong academic foundation, and hands-on experience building reliable, high-performance applications from mobile clients to scalable backend systems.

Education

Auburn University – Auburn, AL

Bachelor of Software Engineering (Aug 2016 – May 2020)

● GPA: In-major: 4.00 Overall: 3.98

● Summa cum laude, Dean’s List (9 Semesters), Spirit of Auburn Presidential Scholarship Chelsea High School – Chelsea, AL

● Valedictorian

Experience

Fullstack Software Engineer – Variphy (Sep 2021 – Nov 2024)

● Led end-to-end Webex Calling integration (OAuth2, CDR processing, schema design), delivering reliable real-time reporting for enterprise customers across multiple regions.

● Developed and maintained enterprise call analytics for Cisco (CUCM, UCCX, CUBE), Zoom, Webex Calling, and Microsoft Teams, improving reporting reliability and reducing support tickets.

● Fullstack development: Java, Java Spring, Javascript, React. Software Engineer – F35 Fusion (Secret clearance) – Lockheed Martin (Jun 2020 – Aug 2021)

● Test Generation Suite - Delivered full Test Generation Suite (Java) prototype to production in under 3 months, enabling automated generation of flight simulation tests and reducing manual test authoring effort for development teams.

● Sensor Schedule - Developed mission-critical tooling and onboard software (C++) for F-35 systems in a classified environment; supported sensor scheduling middleware used in live flight simulations and avionics operations.

iOS Developer (part time) – OCV, LLC (Nov 2018 – Dec 2019)

● Developed and maintained iOS and Android applications for enterprise clients.

● Built and launched our flagship Social Media feature implemented in 10+ apps.

● Managed 30+ iOS app manifests, ensuring smooth App Store submissions. Technical Projects

Social Radio Streaming Platform (SwiftUI + Go WebRTC SFU)

● Developing cross-platform live audio streaming app using SwiftUI front-end, Firebase backend services, and custom Go-based SFU using Pion for multi-participant real-time broadcasting. Libdspx

● Developing a mathematical audio processing toolkit using C, implementing sample-accurate PCM decoding (16/24/32-bit), circular audio buffers, FFT, convolution-based filtering. Technologies

● Primary: Java, C/C++, Go, Swift, Java Spring, Javascript, React

● Secondary: SQL, Python, MATLAB, Hibernate, Firebase

● Systems/Tools: Git, Linux, Xcode, IntelliJ, Nvim, Jira, Bitbucket

● Specialized: RTOS, WebRTC (Pion), DSP fundamentals, CDR telephony, Real-time communication systems, REST, Agile

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