elixir
ai
Production RAG Assistant
Self-hosted knowledge base that puts expert know-how in front of users around the clock.
Read case studyMisael Paredes
Senior Backend Architect
Elixir/Phoenix, AI systems, and enterprise-scale backends. 15 years in high-transaction retail. Open to remote roles worldwide.
Open source activity
Public GitHub contribution graph.
Impact
- → Led backend modernization across retail and fintech platforms serving thousands of daily transactions.
- → Built production RAG assistants with Elixir, pgvector, and LLM providers — from prototype to deploy.
- → Mentored engineers and defined architecture standards that reduced incident rates and delivery risk.
Experience
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Selected projects
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java
retail
leadership
Ferretería EPA — Agil ERP (Compiere)
Maintenance, enhancements, and new modules on the national retail ERP powering EPA hardware stores.
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elixir
leadership
Event-Driven Elixir Services
Microservices built and extended with GraphQL APIs, messaging, and OpenAI-powered features.
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retail
leadership
Retail Pago Móvil Refunds
Platform to return money to retail customers via Venezuela's pago móvil when cash was scarce.
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leadership
Intelix Client DevOps Unification
Consolidated DevOps across every client Intelix supports — version control, workflows, and delivery pipelines.
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elixir
ecommerce
VM Prime Distribution Store
Premium pet food e-commerce with delivery included in Orlando & Kissimmee and WhatsApp checkout.
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elixir
ecommerce
VM Prime Corporate Site
Brand web presence for a Central Florida pet supply distributor.
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elixir
ai
BlackSession — Event Photo Gallery
Photography platform where event participants find their photos by bib number or face match.
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elixir
media
Boca Chica Post
Local news portal covering Boca Chica and the eastern Dominican Republic.
Read case studySkills
Languages & Runtimes
ElixirErlangJavaSQL
Frameworks
PhoenixLiveViewSpringBootBroadway
Data & AI
PostgreSQLpgvectorRedisKafkaLLMRAG
Platform
DockerCI/CDGrafanaOTPObservability
Free developer tools
JSON, regex, cron, ShortUUID, JWT — no signup required.
JSON Formatter
Format, minify, and validate JSON instantly.
Paste messy API payloads and get pretty-printed or minified JSON with clear syntax errors.
Open toolRegex Tester
Test regular expressions with live match highlights.
Experiment with patterns, flags, and sample text — see every match and capture group.
Open toolCrontab Explorer
Decode cron schedules and preview upcoming runs.
Stop guessing whether `0 9 * * 1-5` means what you think — see plain language and next run times.
Open toolUUID ↔ ShortUUID
Convert standard UUIDs to URL-safe ShortUUID strings and back.
Base57 encoding compatible with the shortuuid library — handy when APIs expect compact IDs.
Open toolJWT Decoder
Inspect JWT headers, payloads, and expiry at a glance.
Paste a bearer token to read claims and timestamps. Decodes locally — signature is not verified.
Open toolBase64 Encoder / Decoder
Convert plain text and Base64 in either direction.
Paste text or Base64 — the other field updates instantly. URL-safe and padding options included.
Open toolSmart Payload Decoder
Base64 → text, then expand ShortUUIDs and structured fields.
Paste an encoded payload. The tool peels Base64 layers, then reads key:value lines or JSON and turns ShortUUID values into full UUIDs.
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