Kyle Best
@kylebest1
Senior backend engineer building scalable, secure systems with Java, Python, and Node.js.
What I'm looking for
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
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%.
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.
Backend Engineer
First Line Software
Jan 2018 - Jan 2020 (2 years)
Developed REST and GraphQL APIs and migrated a PHP monolith to modular Laravel, reducing deployment time by 50% and lowering integration bugs by 30% through event-driven design.
Backend Python Developer
JPLOFT Solutions
Jan 2017 - Jan 2018 (1 year)
Built Python services for data ingestion and APIs with Flask and SQLAlchemy, automated workflows and tests, and deployed containers to Kubernetes to stabilize operations.
Junior Backend Developer
GAM Tech
Jun 2016 - Jan 2017 (7 months)
Contributed to real-time dashboards and RESTful APIs using Node.js and MongoDB, improving API performance by 23% and supporting a platform handling 150,000+ weekly requests.
Education
Degrees, certifications, and relevant coursework
Peking University
Bachelor of Science, Computer Science
Completed a Bachelor's degree in Computer Science at Peking University, graduating in 2016.
Availability
Location
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Salary expectations
Social media
Job categories
Skills
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