About Me

Senior Software Developer

5+ years building software systems that matter. Transitioned from 11 years in IT support and systems administration into software engineering, now leading teams and technical initiatives.

Current Impact

Senior Software Developer at Aeries Software (2022 - Present)

• Built company’s first microservice using hexagonal architecture
• Engineered secure JWT authentication bridge between distributed applications
• Introduced automated unit testing to previously “untestable” legacy system
• Led UI modernization of universal components across 450+ pages for flagship education platform
• Mentored team of 18 members through complex technical transitions

Foundation

Database Administrator / Developer at Madera Unified School District (2021 - 2022)

• Built Megaphone notification system delivering automated parent alerts using Python, pandas, and Twilio
• Developed COVID cohort assignment algorithm and web tool enabling safe classroom return under distancing mandates
• Managed complex SQL stored procedures for ETL processes and system integrations

10 Years in IT Support & Systems Administration (2010-2021)

• Progressed from entry-level support to senior systems administrator
• Managed networks, servers, and infrastructure for K-12 school districts
• Developed problem-solving and debugging skills that translate directly to software engineering
• Final role included 7 months of MEAN stack development, sparking the transition to software engineering

Key Achievements

Technical Leadership

• Designed DynamoDB single-table models for high-performance queries
• Created reusable pagination solution within clean architecture constraints
• Established rollback strategies mitigating release failures

Team & Process

• Trained engineering team members (seniors, juniors, offshore) on unit testing
• Improved sprint completion rates through refined Scrum processes
• Built psychological safety culture enabling consistent high delivery

Systems Integration

• Developed COVID cohort assignment algorithm saving weeks of manual work
• Built automated notification system using Python, pandas, and Twilio
• Created self-service password reset portal (MEAN stack)

Technical Stack

Languages: C#, JavaScript, TypeScript, Python, PHP, VB.NET
Frameworks: .NET Core, Node.js, Express
Databases: MySQL, DynamoDB, SQL Server, MongoDB
Cloud: AWS (Certified Cloud Practitioner)
Architecture: Microservices, Hexagonal Design, Clean Architecture

Education & Certifications

• BS Computer Science - Cal State Monterey Bay
• AWS Certified Cloud Practitioner (2023-2026)
• MCSA SQL 2016 Database Development (2020)

What Drives Me

I bring visions to life through quality craftsmanship. Whether it’s architecting a microservice that scales, modernizing legacy systems that serve thousands, or mentoring teams through complex technical challenges - I’m driven by seeing something done well.

The proper approach can save hundreds of hours in maintenance. Clean architecture prevents future headaches. Thoughtful design creates systems that last. This is where technical excellence meets real impact.

Ready to discuss how I can bring your vision to life?

Connect & Collaborate

• 📧 Email: caleb.allen@gmail.com
• 💼 LinkedIn: https://www.linkedin.com/in/caleb-allen-066136133/
• 🐙 GitHub: https://github.com/caleblallen