John S. Alyn Jr.
Software Engineer
Professional Summary
Highly motivated Software Engineer graduate from Columbia University with a strong foundation in data structures, algorithms, and object-oriented programming. Proficient in Python, Java, and JavaScript, with experience developing web applications using React, Node.js, and Flask. Passionate about building scalable and efficient solutions to complex problems.
Skills
Programming Languages: Python (Proficient), Java (Proficient), JavaScript (Proficient), C++ (Intermediate), SQL (Intermediate), Rust (Familiar), Shell (Familiar), PHP (Familiar).
Frameworks/Libraries: Django (Proficient), ReactJS (Proficient), Spring (Intermediate), Aeron (Familiar), TensorFlow (Familiar), Rails (Familiar).
Databases: PostgreSQL (Proficient), MySQL (Intermediate), MongoDB (Intermediate).
Tools: Visual Studio Code (Proficient), GitHub (Intermediate), Git (Intermediate).
Cloud: AWS (Intermediate), Google Cloud (Intermediate), Azure (Familiar).
Languages: Spanish.
Certifications: CompTIA Security+ (Ongoing).
Education
Columbia University | May 2023
Degree: Bachelors, Computer Science.
Relevant Coursework: Data Structures, Discrete Mathematics, Advanced Programming, Computer Science Theory, Analysis of Algorithms 1, Introduction to Databases, Fundamentals of Computer Human-Centered Interface & Design.
Experience
Clayton County | Jonesboro, GA
Engineering Technician | May 2025 – Present
- Performs diagnostic troubleshooting and repairs on solid-state, electronic, electrical, digital, and microprocessor-based components within traffic signal systems.
- Assists Transportation Control Center (TCC) personnel in troubleshooting advanced traffic signal operation parameters and network communication devices.
- Maintains and operates computerized traffic control systems, including variable message signs and surveillance cameras.
- Performs intermediate-level programming of traffic signal controllers.
- Configures and maintains Ethernet network communication equipment.
- Interprets project plans and technical documentation for installation and operation.
- Participates in the Department's Emergency Response/Call-Back Program.
Charlotte's Web-Design LLC | Miami, FL (Remote)
Web & Software Developer Contractor | Dec 2023 – Present
- Developed and maintained SEO-optimized websites, resulting in a 20% increase in organic traffic.
- Leveraged HTML, CSS, JavaScript, and WordPress CMS to create responsive web designs.
- Managed digital marketing campaigns, increasing social media engagement by 15%.
- Enhanced brand visibility and generated leads, leading to a 10% increase in qualified leads.