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xzavier sparks

@xzaviersparks

Message

I build scalable backend systems, AI integrations, and data pipelines that improve reliability and model quality.

United States

Message

What I'm looking for

I'm looking to build reliable AI integrations, backend systems, and data-intensive products where I can improve model quality, scalability, and production outcomes.

I've led AI and backend engineering at Kunzig Consulting, building conversational AI features that increased engagement by 23% and evaluation frameworks that improved LLM response accuracy and consistency by 14%.

I also led a monolith-to-microservices migration that reduced downtime by 40%. Across Zest AI, Numenta, and CallMiner, I've built high-availability systems, real-time data pipelines, REST APIs, and analytics services at scale.

Experience

Work history, roles, and key accomplishments

Current

Team Lead & Senior Software Engineer

Current

Kunzig Consulting Inc

Mar 2021 - Present (5 years 7 months)

Developed AI features like conversational interfaces, boosting user engagement by 23% and streamlining operations. Established end-to-end evaluation and monitoring frameworks for LLM output, improving response accuracy and consistency by 14% and reducing hallucination-related defects in production.

Python NodeJS Django React PostgreSQL GraphQL AWS Kubernetes AI LLM Prompt Engineering Observability

Software Engineer

Zest AI

Jun 2018 - Sep 2020 (2 years 3 months)

Developed real-time data systems and pipelines, enhancing data-driven decisions. Optimized data architecture and processing workflows, achieving a 50% improvement in processing performance and reducing infrastructure costs.

Python Django fastAPI NodeJS Angular GCP MySQL Docker CI CD Data Pipelines

Software Engineer

Numenta

Feb 2017 - May 2018 (1 year 3 months)

Architected and deployed large-scale data pipelines processing 10TB daily, ensuring reliability and consistency across enterprise analytics workflows. Translated large-scale datasets into actionable insights using SQL and Tableau, directly informing business strategies that drove an 18% increase in revenue.

Python Flask Ruby on Rails Angular Azure MongoDB SQL Tableau REST APIs Data Pipelines

Full Stack Engineer

CallMiner

Jun 2016 - Dec 2016 (6 months)

Improved user engagement by 23% by developing responsive web applications and AI-enabled features across platforms. Partnered with cross-functional teams to diagnose and resolve production issues, improving overall system reliability and reducing incident recurrence.

Python Django TensorFlow NodeJS Angular AWS Web Development AI