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Benjamin Crelliin

@benjamincrelliin

Senior software engineer specializing in scalable full-stack systems.

United States
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What I'm looking for

I seek senior engineering roles where I can architect scalable systems, lead cross-functional teams, and apply AI/ML to deliver measurable product impact in a collaborative, fast-paced environment.

I am a Senior Software Engineer with over 10 years of experience building scalable, mission-critical systems in both startup and enterprise environments. I lead Agile teams, mentor engineers, and drive full-stack development from architecture through delivery.

At Amazon I led Zero-to-One product launches and scaled telehealth platforms, architecting microservices in Java and Go, building micro-frontends with React/Angular/TypeScript, and implementing event-driven systems using Kafka and AWS tooling to improve performance and reliability.

I blend engineering and AI expertise—delivering RAG/LLM-driven solutions, optimizing databases and infrastructure with Terraform and Kubernetes, and improving deployment velocity and monitoring to ensure HIPAA-compliant, production-ready systems.

Experience

Work history, roles, and key accomplishments

Amazon logoAM
Current

Senior Software Engineer

Aug 2020 - Present (5 years 2 months)

Led development and scaling of telehealth platforms including the Zero-to-One launch of Amazon Clinic integrated with One Medical, increasing user engagement 30% and active users 40% while achieving HIPAA-compliant, 24/7 virtual care.

Airbnb logoAI

Software Engineer

Oct 2014 - Jun 2020 (5 years 8 months)

Architected and optimized frontend and backend systems across Homes and Experiences, migrating to React/Next.js and scaling booking APIs to support a 3x surge in bookings while improving load times 40% for over 10M monthly users.

Education

Degrees, certifications, and relevant coursework

Auburn University logoAU

Auburn University

Bachelor of Computer Science, Computer Science

2010 - 2014

Completed a Bachelor of Computer Science focusing on software development, algorithms, and systems engineering.

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Benjamin Crelliin - Senior Software Engineer - Amazon | Himalayas