Gabriel Costa
Senior AI Application Engineer
São Paulo, Brazil · America/Sao_Paulo (UTC-3) · 9 years of experience
Gabriel focuses on shipping dependable AI product experiences from typed APIs through production UX.
Request a shortlistWhy this profile fits
Product-quality AI UX
Builds responsive, accessible interfaces that make uncertainty, sources, progress, and recovery understandable.
Typed model contracts
Uses structured outputs, validation, regression tests, and fallbacks to keep model behavior inside the application contract.
Full-stack ownership
Ships the interface, service, data path, observability, and deployment as one operable product.
Relevant toolkit
TypeScript
React
Next.js
Python
FastAPIDelivery evidence
Selected work
Inventory-Aware Shopping Assistant
retailDesigned and delivered a customer-facing AI application focused on conversational commerce; increased assisted product-discovery conversion by 16% with inventory-aware recommendations. The release included accessible UX, typed model contracts, regression tests, observability, and cost-aware deployment.
Merchandising Evaluation Studio
retail operationsBuilt the supporting control and measurement layer for the primary system, covering review queues, regression checks, operational visibility, and a documented handoff to the owning team.
Relevant experience
Career timeline
Senior AI Application Engineer
2023–PresentDevlyn client assignments · Remote
- Led conversational commerce delivery for a retail team and increased assisted product-discovery conversion by 16% with inventory-aware recommendations.
AI Application Engineer
2017–2022retail product company (confidential) · São Paulo, Brazil
- Built production systems in retail, with increasing ownership of reliability, testing, and stakeholder delivery.
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Skill depth
Show experience in context.
Relevant experience by skill
See the complete skill index
Languages
Frameworks
Tools
Platforms
Storage
Paradigms
Credentials
Certifications
AWS Certified Generative AI Developer – Professional
Amazon Web Services · 2026 · Certified
NVIDIA-Certified Associate: Generative AI LLMs
NVIDIA · 2026 · Certified
Communication
Languages
English
Fluent
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