Portfolio · screenshots 2023–2026
Jesús Rodríguez
Design engineer and full-stack developer. I design the interface and build the system behind it.
- Venezuela · remote
- ~7 years building product
- Self-taught
A note on this portfolio
Almost everything I build lives behind another company's login.
Most of my work sits inside custom platforms built for companies: ERPs, operations tools and systems that hold client data. They are internal, so I can't publish links, code or full walkthroughs.
What you'll find here are screenshots from demos, beta releases and final versions of those platforms, plus a few concepts and products of my own. It isn't a set of polished case studies. It's an honest sample of what I've built, with sensitive data kept out of frame.
If something catches your eye, I'm glad to walk you through the context, decisions and architecture behind it.
Project status
- Final release
- In use, or ready for production, inside the company.
- Beta
- Working and still being tested.
- Demo
- Built to show an idea to a client.
- Prototype
- Clickable or working, not shipped.
- Concept
- Design or product proposal.
Index
Projects
- Sierra Nexus · ERP for a textile plantFinal releaseCustom internal platform2026
- FrameFlow · AI-assisted video post-productionBetaPlatform for video teams2026
- Red Bull Batalla · Query agent for freestyle battle dataDemoClient demo2026
- Aetnis · Redesign of a textile traceability SaaSConceptSaaS redesign2026
- Quester · Personal, engineering and content workspaceBetaOwn product2026
- Personal finance · Multi-currency, built for VenezuelaBetaOwn product2026
- Wellness App · Wellness app for coaches and nutritionistsPrototypeMobile app · team design2026
- MCP Studio · Test bench for MCP serversBetaInternal tool2026
- Interactify · Site, design and email builderConceptOwn product2025
- Reminders · Scheduled messages to contactsPrototypeWeb app2025
- High-fidelity mockups · Standalone screens from several projectsConceptVarious2023–2026
Sierra Nexus
ERP for a textile plantCustom inventory and operations system for a knitting and dyeing plant. It covers roll-level quality control, yarn imports, warehouse movements, Kardex auditing, finished-goods transfers and dispatch instructions. Screenshots come from the development environment.
FrameFlow
AI-assisted video post-productionPlatform for post-production teams. It transcribes footage, suggests clips with viral potential using several language models (Grok, DeepSeek, Gemini) and organizes the work in four stages: planning, editing, review and approval, and assignment. It has internal comments and roles for owners, producers, editors and clients.
Red Bull Batalla
Query agent for freestyle battle dataAssistant that answers questions about battle history: each MC's stats, results and event brackets. An orchestrator classifies intent, runs atomic tools against the database and splits the answer into text and visual artifacts, such as a tournament bracket. Every answer exposes its process chain with the time spent on each step.
Aetnis
Redesign of a textile traceability SaaSRedesign proposal for a platform that traces textile production across tiers, from raw-material extraction to finished product. It includes the traceability center, the activity timeline with its documents, workflow templates, evidence export and the product landing page.
Quester
Personal, engineering and content workspaceOne workspace with three areas: personal (tasks and notes), engineering (docs, pull requests, initiatives, projects, issues and sprints) and content (a posting calendar per brand and social network).
Personal finance
Multi-currency, built for VenezuelaFinance app for the Venezuelan economy: bank, crypto and cash accounts; records in dollars with their bolívar equivalent; per-item breakdown of each purchase with VAT; recurring payments, goals, budgets and debts.
Wellness App
Wellness app for coaches and nutritionistsApp for fitness and nutrition professionals who sell plans and memberships. The design covers sign-up with validation, an onboarding that calculates calorie needs, the professional's profile with Pro content, subscriber chat, community channels and a meal-plan builder with macros.
MCP Studio
Test bench for MCP serversDesktop app to connect, inspect and test MCP (Model Context Protocol) servers. The screenshot shows an internal server with 18 tools that give a coding assistant the team's standards: it scaffolds pages, forms and backend entities, and audits components against those rules.
Interactify
Site, design and email builderConcept for the Interactify suite, a link-in-bio platform for content creators: site builder, design creator with own and Unsplash images, email designer and social calendar. The text, color, shape and image panels share one component system.
Reminders
Scheduled messages to contactsPrototype to schedule messages to one or more contacts, repeating weekly or yearly. Each reminder can carry several messages, such as a class notice with its Meet link and a payment note.
High-fidelity mockups
Standalone screens from several projectsPieces that don't add up to a full case study but show how I approach specific screens: analytics for Since, 75" displays for a textile plant's knitting floor, cost and production charts, and pages for a course platform.
Toolkit
What I work with
Design
- Figma
- Design systems and tokens
- Prototyping
- UX for operations
Frontend
- React
- TypeScript
- Next.js
- Tailwind CSS
Backend
- FastAPI
- SQLModel
- PostgreSQL + pgvector
- REST APIs
Applied AI
- Tool-using agents
- Intent classification
- Semantic caching
- MCP servers




