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Senior AI / Data / API Backend & Full-Stack Engineer · Python · FastAPI · LangChain · MCP · RAG · LLMOps · AWS/GCP · Docker/K8s · 17 yrs
Senior software engineer (17 years) focused on getting AI systems into production for real, not demos. I design and operate LLM applications and the data pipelines around them in Python/FastAPI on AWS/GCP: RAG, agent orchestration over MCP, streaming and post-call analytics, with full observability (cost, latency, traceability), Docker/Kubernetes and CI/CD. Right now I run 4 LLM agents live in production. A few results I'm proud of: voice-LLM cost down to $0.06/min by routing to open-source models, latency -35% and compute -30% on critical flows, and Meta Ads ROAS from 4% to 9% with an MCP agent. I like getting my hands dirty in the code. I work AI-first and spec-driven (TDD, contract testing, an ADR per decision), and I care about software that's testable, scalable and cheap to operate. Strong API craft: versioned contracts, OpenAPI, webhooks, microservices. Background across API/backend and full-stack (Python, FastAPI, TypeScript, Next.js, React Native), data engineering (ETL/ELT, Spark, Flink, BigQuery) and cloud/devops (AWS, GCP, Docker, Kubernetes). I founded Migro and Impulsa.me and earlier led expansion at Uber in LATAM, but my focus now is a senior individual-contributor engineering role. Open to senior engineering work, contract or long-term, fully remote (any timezone) or on-site in Madrid/EU. Contact: agusvc@gmail.com · impulsa.me · github.com/avivancos
Universidad de Salamanca
Ingeniería tecnica en topografía
N/A – Present
Universidad de Salamanca
Ingeniería Informática
N/A – Present
impulsa.me
Founder & Principal Engineer · Impulsa.me
January 1, 2024 – Present
United States · Remote
Self-employed
Fractional CTO & Python API Specialist Contractor
January 1, 2023 – Present
Remote
Migro
Ceo
January 1, 2022 – Present
Uber
LATAM Expansion & Driver Acquisition Manager
February 1, 2015 – June 1, 2018
Lima, Peru · On-site
HoyRed
Fundador
June 1, 2014 – May 1, 2017
HoyRed
Founder
January 1, 2014 – December 1, 2020
BuyFresco
CTO
July 1, 2013 – January 1, 2015
BuyFresco
Founding CTO
January 1, 2013 – December 1, 2015
enterbio
CTO
December 1, 2011 – November 1, 2012
enterbio
CTO
January 1, 2011 – December 1, 2012
Impulsa Consultores
Founder en Impulsa Consultores
January 1, 2010 – June 1, 2013
Impulsa Consultores
Founder
January 1, 2010 – June 1, 2013
Software Engineer (Role Certification)
HackerRank
June 23, 2026 – Present
Cultural Fit Analysis
The candidate's background as a founder and contractor, with experience across various industries (e-commerce, legal-tech, tourism, mobility), indicates a high degree of adaptability, self-motivation, and a proactive approach. Their ability to operate independently and lead initiatives from conception to delivery suggests a strong cultural fit for roles requiring ownership and innovation. The breadth of technical and business skills also points to a versatile team player who can bridge gaps between technical and business objectives.
Soft Skills & Operational Fit
The candidate demonstrates strong entrepreneurial drive, strategic thinking, and the ability to manage complex projects and teams. Their experience in founding multiple companies and acting as a Fractional CTO suggests excellent problem-solving, decision-making, and communication skills. The focus on AI-first development and operational efficiency aligns well with modern tech environments.