Nicolas Alejandro Santa CTO at Tracestory LLC | Software Engineer | Ruby |

Sr. Software Engineer

Airops

Jan 2026 - Mar 2026 (3 months)

- Architected a high-scale analytics ingestion pipeline for tracking LLM training visits, AI agent crawling, and multi-source traffic attribution using Go, Redis, S3, Apache Airflow, Apache Iceberg, and ClickHouse, supporting up to 12 billion events per day. - Built an AI-powered prompt recommendation system leveraging o4-mini-deep-research, increasing prompt tracking coverage by 15%. - Re-architected the question import tool with automated tag processing and built the XFunnel data import tool using S3 and Sidekiq. - Integrated Claude Code into the daily development workflow to streamline technical specification, project planning, and the efficient execution of complex feature implementations across the software architecture.

Sr. Software Engineer

Door

Aug 2023 - Sep 2024 (1 year 2 months)

- Overhauled and revamped the notification system using Java and DynamoDB, reducing maintenance efforts by 5x. - Slashed page load speeds by 95% by migrating a Rails static site to a highly scalable S3 and CloudFront solution. - Co-architected microservice foundations using Java 21 and Spring Boot, which reduced engineering overhead by 30% by eliminating boilerplate code and streamlining the deployment pipeline.

Chief Technology Officer, Co-Founder

Tracestory

May 2019 - Current (7 years 4 months)

- Led and mentored a team of 6 engineers, maintaining a 0% attrition rate while improving operational excellence. - Directed the organization's core technical infrastructure, achieving 99.95% uptime and ensuring scalability, security, and reliability. - Reduced system restore time from 2 hours to a 30-minute window through improved processes and team leadership. - Engineered the primary system in Node.js and Vue.js, utilizing serverless and on-premise Koa, featuring a dynamic form builder based on JSON API spec notation. - Architected and implemented a full agent orchestration that helped customers plan production, reducing the planning time by 80%.

Sr. Software Engineer

CompanyCam

Mar 2019 - Feb 2023 (4 years)

- Drove 80% year-over-year sales growth by architecting and delivering a V2 reports system and a new "task lists" feature. - Directed a scalable, on-demand image processing pipeline, successfully handling peaks of 1.5 million images processed daily. - Boosted critical PostgreSQL query performance by 95% through advanced SQL optimization techniques. - Architected the company's foundational data engineering infrastructure using Fivetran, DBT, and AWS Step Functions to implement its first Reverse ETLs. - Championed the adoption of DDD and hexagonal architecture patterns to effectively isolate business logic by domain, helping the team reduce feature delivery time by 30%. - Built a universal Javascript library for tracking user behavior events

Software Engineer

CarLabsai

Dec 2017 - Aug 2018 (9 months)

Architected and implemented multiple projects for a conversational "bot" platform using Node.js and Dialogflow, leveraging graph databases for decision-tree logic.

Senior Software Engineer

Great Hires Inc

Jul 2014 - May 2017 (2 years 11 months)

- Reduced the server API codebase size by 40% by architecting and implementing it on Ruby on Rails with a hexagonal architecture pattern, improving developer onboarding time and decreasing the bug rate in legacy code by 50%. - Decreased the client-side application's code size by 70% by implementing a new version in Angular 1. - Enabled frictionless customer adoption by implementing key third-party integrations, including MS Exchange (via C), LDAP, and Google Calendar.

CTO and Co Founder

Yeti Games LLC

Jan 2010 - Jul 2014 (4 years 7 months)

Responsible for the architecture and implementation across all products (owned and 3rd party), IT Management, Resource Management, IT Research.

F

VP of Engineering

Finario Corp

Jun 2009 - Jan 2010 (8 months)

Product Architecture & Implementation as well as Team Leader. In charge of the entire refactoring process, reducing the code size by 66% and increasing the feature size by 20%. Technologies used: Ruby on Rails, MySQL, mongoDB, Redis, AWS EC2, AWS S3.

Senior Developer

Free All Media LLC

Dec 2008 - Jun 2009 (7 months)

Built the core app improving the performance of the database and search.

Senior Developer

Zendesk

Sep 2008 - Oct 2008 (2 months)

Refactoring, Performance, REST API and Backend development. Using Agile methods.

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Senior Developer and Team Leader

CrowdReady Applications Inc

Apr 2008 - Feb 2009 (11 months)

I managed the software engineering team, organizing the development process (iterations, tasks, assignments). Lead the architecture system.

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Ruby on Rails development

ELC Technologies

Sep 2007 - Jul 2008 (11 months)

Development of Social networks, CMS and internal tools. Projects: - Livenation: American events promoter and venue operator - TripHelp for the Chicago Tribune: a family travel portal. - Officearrow: A marketplace connects buyers and sellers through the power of customer recommendations.

Lead Developer & Slot Machine Support

CET SA

Mar 2006 - Mar 2008 (2 years 1 month)

Provide tech support for slot machines. Team Leader and Architect for their stock control and information application based on Ruby on Rails Framework. CET S.A. is the one of the most biggest company in Argentina. Over 20 Casinos around the country. www.cetsa.com.ar

PHP developer

freelance

Feb 2004 - Oct 2007 (3 years 9 months)

Provide web solutions to small companies in national an international area as a freelance. All my are based on Joomla!, Smarty and CakePHP.

Nicolas Alejandro Santa

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