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Kyle BestKB
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Kyle Best

@kylebest1

Senior backend engineer building scalable, secure systems with Java, Python, and Node.js.

United States
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What I'm looking for

I seek backend or platform roles where I can architect scalable, secure systems, drive CI/CD and automation, mentor teams, and apply AI integrations to deliver measurable performance and reliability improvements.

I am a senior backend engineer with nine years of experience designing and delivering secure, reliable systems that scale to millions of daily users. I specialize in Java, Python, and Node.js, and I focus on building APIs, optimizing databases, and connecting services for high-traffic production environments.

I have led end-to-end project delivery, modernized legacy systems into microservices, and introduced CI/CD automation to shorten delivery timelines by 30%. My work includes architecting platforms, performance tuning for PostgreSQL/MySQL/Oracle/Redis, and integrating Kafka and other event-driven systems.

I have integrated AI capabilities into multiple enterprise SaaS products using Python and TensorFlow, increasing processing efficiency by 60% and improving moderation and recommendation outcomes. I drive secure integrations using OAuth2, OpenID Connect, SAML, REST, gRPC, and Kafka.

I value measurable improvements in reliability and latency, having reduced query latency by 40% and achieved 99.99% SLA compliance across extensive microservice environments. I seek to continue delivering scalable architectures, improving operational excellence, and mentoring teams through robust engineering practices.

Experience

Work history, roles, and key accomplishments

RA

Senior Software Engineer

Raygain

Jan 2022 - Jul 2025 (3 years 6 months)

Architected and scaled backend platforms using Java and Node.js to support high traffic, reducing delivery timelines by 30% and integrating AI features that improved processing efficiency by 60%.

ZT

Software Engineer

Zaibatsu Tech

Jan 2020 - Jan 2022 (2 years)

Led backend architecture and microservices adoption using Python, Flask, Django and Docker on AWS, driving a 50% improvement in response times and achieving 99.99% SLA across 75+ microservices.

Education

Degrees, certifications, and relevant coursework

Peking University logoPU

Peking University

Bachelor of Science, Computer Science

Completed a Bachelor's degree in Computer Science at Peking University, graduating in 2016.

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Kyle Best - Senior Software Engineer - Raygain | Himalayas