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    About

    Axel Cuevas.

    Backend and AI engineer in Santo Domingo. I'm an AI engineer at Leadsales, building the agents inside a WhatsApp CRM for Latin American businesses. I also run Axiomic, my own company.

    It started at sixteen, with a government-issued laptop I turned into a Linux web server so my projects had somewhere to live. The same year I finished Harvard's CS50 in two weeks. I still learn the same way: build the thing, put it online, see what breaks.

    Since then I've worked on software that real operations depend on. At Rivero I built a 3D pallet scanner that measures a load from a depth camera in under a second, the warehouse platform behind receiving and cycle counts, and Orchy, an agent that runs backend tasks from Slack, but only with permission. For IQ BIAI I built a payment API that puts Cybersource, CardNET and Azul behind one contract. My rule: backend first, AI where it earns its place.

    Axiomic is my own company. There I'm building DeUna, an AI salesperson that lives in WhatsApp and closes deals for small businesses across Latin America. Outside work it's music, anime, and courses I didn't need but took anyway.

    01/04
    // San Francisco · 2026
    NowAI Engineer · Leadsales
    BuildingDeUna · Axiomic
    BasedSanto Domingo, DR · remote
    StudyingComputer Science Engineering · PUCMM · GPA 4.0
    Summer 2026Y Combinator Startup School
    Experience

    Where the work happened.

    CV (PDF)
    • Cut the production Lead Agent's inference cost 19x in the first week by re-evaluating model selection and migrating the agent to a far cheaper model.
    • Rewrote the agent's conversational behavior to strip generic AI phrasing, so replies read like a human sales rep and sell more naturally in customer conversations.
    • Own the GenAI architecture behind the agents that acquire, qualify and serve Leadsales' customers: RAG over OpenSearch and Pinecone, LLM-based lead classification, multi-format knowledge bases (PDF, Excel, OCR) and human–agent handoff, with cost, latency and quality tracked in production.
    • Build the team's AI-native workflow: packaged skills, deterministic guardrails around agentic work (hooks, CI gates), documented architecture decisions and mentoring on LLM patterns.
    Remote · stack
    PythonTypeScriptclaudePineconeopensearchLangGraphMCP
    • Engineered a proprietary 3D pallet dimensioning system (hardware and software) using Orbbec ToF depth cameras, WebSockets and a custom Python 3D extraction algorithm, designed to bypass a competitor's US patent, saving $25k+ per station and drawing B2B licensing interest from the DR's largest supermarket chain.
    • Architected Orchy, a permission-gated AI orchestrator built on OpenClaw and Hermes primitives with strict security scopes across all MCP integrations, so the AI safely executes backend operations (such as Google Workspace provisioning) from Slack. Its self-learning loop resolves 40% of low-complexity engineering tickets while preventing unpermissioned LLM hallucinations.
    • Built Rivero's MCP server inside the NestJS API, with an OAuth 2.1 authorization server per the MCP 2026-07-28 spec, so anyone can connect Claude, ChatGPT or any MCP client to the WMS under their own permissions to query warehouse data, build and schedule reports and onboard users, with tools gated per user and every call audited.
    • Owned a mobile-first Warehouse Audit System end to end, replacing blind counts with a risk-based smart routing algorithm and BullMQ for asynchronous pallet re-scoring and audit logging; resolved database-level anomalies (multi-location ghost pallets), raising inventory traceability and accuracy by 80%.
    • Architected a semantic reporting engine on Cube.js over a PostgreSQL read replica with pre-aggregations, and an interactive AG Grid + ECharts front end with SKU-level drill-downs and actionable views for bulk liquidations and offers, increasing revenue by ~20% in under two months.
    Remote · Santo Domingo, DR / Miami, FL · stack
    TypeScriptPythonNestJSNext.jsReactPostgreSQLRedisBullMQClickHouseMCPDockerLinux
    • Architected a multi-tenant payment API in NestJS that unified 3 major Dominican gateways (Cybersource, CardNET, Azul) under a single interface, reducing client integration complexity by 70%.
    • Engineered a robust security architecture: an HMAC-based API Key system and an end-to-end tokenization flow with Cybersource Flex Microform, reducing PCI DSS compliance scope to SAQ A.
    • Designed a highly available webhook dispatch system on BullMQ with Redis, ensuring 100% delivery reliability with exponential backoff for critical payment and refund notifications.
    Remote · stack
    NestJSTypeScriptNode.jsPrismaRedisBullMQPostgreSQLDocker
    • Founded and architected DeUna, an autonomous conversational AI sales closer for LATAM SMEs, operating natively inside WhatsApp to automate DMs, scheduling, and high-ticket sales.
    • Engineered a low-latency voice pipeline using Whisper v3 Turbo and ElevenLabs to clone business owners' voices, processing heavy regional dialects for auditory authenticity.
    • Implemented a bounded-haggling algorithm inside the RAG engine, letting the AI negotiate dynamically with sales psychology while mathematically protecting the hidden price floor.
    Remote · stack
    PythonTypeScriptFastAPILangGraphPineconePostgreSQLRedisDockerAWS
    • Developed a real-time bidirectional audio layer using WebSockets and the Gemini Live API, reducing voice response latency by 60%.
    • Engineered robust data pipelines with Dagster, dbt and ClickHouse, applying A/B testing and transformation models.
    Remote · stack
    PythonFastAPIGeminiGoogle ADKMCPDagsterdbtClickHouseDocker
    Cases

    Four worth reading.

    All projects
    • 01RIV-Scan — Pallet DimensionerHardware · Computer vision2026
    • 02Orchy — Permission-Gated AI OrchestratorAgents · Orchestration2026
    • 03Rivero Track — Warehouse PlatformWarehouse · Platform2025 — 26
    • 04Multi-Tenant NestJS Payment APIBackend · Payments2025
    Education

    Where the learning happened.

    Pontificia Universidad Católica Madre y Maestra (PUCMM)

    B.Sc. in Computer Science Engineering · GPA 4.0 / 4.0

    Jan 2026 — present

    Y Combinator Startup School

    Summer 2026 cohort

    Jul — Aug 2026

    Instituto Técnico Salesiano (ITESA)

    Associate's degree in Software Development and Programming · GPA 3.9 / 4

    Aug 2023 — Oct 2025
    C2 English Certificate (Band 9.0) · Academia Europea · 2023Cybersecurity Fundamentals · LAC4 · 2024JavaScript: The Hard Parts · Frontend Masters · 2024Complete Intro to Containers · Frontend Masters · 2024
    Contact

    Have a system that needs building?

    axeljcuevast@gmail.com
    Santo Domingo · · open to select freelance
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