IoT Architecture & Telemetry
Design of architectures for devices, data flows and communication protocols in monitoring, automation and distributed control projects.
Miguel Ladines
IoT Solutions Architect & Embedded Hardware Engineer
Engineering, Development and Systems professional with experience in environments where hardware, software and data converge: IoT, embedded systems, cloud, applied AI and technical support. Interested in technical and engineering roles where I can connect devices, infrastructure and business in a practical, measurable way.
Availability & Focus
- Mode: Remote, hybrid or on-site.
- Work arrangement: Full-time, part-time or project-based.
- Areas: Engineering, Development, IoT, Embedded, Cloud, AI, Technical Support.
- Languages: Native Spanish, C2 English.
About me
Systems thinking, applied engineering and focus on measurable outcomes.
I have built my career across diverse technology environments, contributing to projects that combine engineering, data and systems architecture in different countries and sectors.
Each context has been an opportunity to understand how technology adapts to different operational, regulatory and cultural realities.
This international experience allowed me to develop an integrated view of systems — understanding that beyond hardware or software, what really matters is the communication between them and their alignment with business goals.
Throughout my career I have worked in environments where hardware, software and data converge, ensuring communication, stability and scalability through technical layers. That path shaped my ability to think systemically and focus on interoperability and efficiency.
Today I focus my work on solutions that turn information into decisions and technology into measurable results — ensuring that every implementation generates operational impact and sustainable value.
- Systems-level thinking: the ability to connect devices, data and infrastructure within coherent, maintainable and scalable ecosystems.
- Multi-domain experience: exposure to scientific, corporate and operational environments that demand reliability, precision and adaptability.
- Practical engineering mindset: from embedded design and data-flow modelling to infrastructure management and process optimization.
- Analytical and pragmatic approach: focused on traceability, efficiency and measurable operational results.
- Continuous evolution: strong willingness to keep learning and ability to quickly acquire new technologies and capabilities.
How I can add value
Open to roles in Engineering, Development and advanced Technical Support.
Embedded Hardware & PCB
Component selection, PCB design, prototyping and firmware for ESP32, Raspberry Pi and microcontrollers.
Cloud for IoT & AI
Lightweight cloud solutions for receiving telemetry, exposing APIs, integrating LLMs and enabling dashboards and business-oriented services.
Technical Documentation
FSR, SAD, ADR, architecture diagrams and technical packages prior to development to support engineering teams.
Full Stack HW/SW Development
Integration of hardware and software layers: from firmware and data acquisition to APIs, backend services, web dashboards and basic deployment automation.
Advanced Technical Support
Diagnosis of complex problems on-site or remotely, maintenance of critical systems, incident management and second-level support in demanding environments.
Featured projects
Representative projects in AI, IoT, embedded systems and automation.
End to End Insurance Analytics Data Pipeline
Industry: Insurance · Dataset Simulation · Data Engineering · BI/Looker Analytics
Summary: End-to-end Insurance Analytics platform that simulates a realistic multi-line insurance portfolio, from synthetic data generation to BI-ready datasets and executive dashboards. The project covers the full data lifecycle: configuration-driven simulation, RAW operational data, normalization into a star schema, database governance, and KPI validation through layered HealthChecks. Final outputs are optimized for Looker Studio consumption.
Keywords: Insurance Analytics · Data Engineering · Synthetic Data · Star Schema · Data Quality · HealthChecks · KPI Validation · Simulation ·
Tech Stack: Python · Bash · Linux · Pandas · NumPy · Supabase (PostgreSQL) · SQL · Looker Studio · VSCODE · GitHub
Multi-model AI Chatbot on Google Cloud
Industry: AI Engineering · Cloud Infrastructure · OPENAI API Integration
Summary: AI chatbot platform deployed on Google Cloud Compute Engine, integrating OpenWebUI with the OpenRouter API to work with multiple LLMs under a unified chat interface. Includes custom VPC, hardened Debian VM, Nginx as reverse proxy with TLS and a containerized stack with Docker.
Keywords: Multi-LLM · OpenRouter · OpenWebUI · Google Cloud · Nginx Reverse Proxy · TLS/HTTPS · DevOps · Log telemetry · Cost Optimization · Scalable infrastructure
Tech Stack: Google Cloud Compute Engine · Debian · Docker · Nginx · Certbot/Let’s Encrypt · OpenWebUI · OpenRouter API · Firewall hardening · Shell Scripts · WebSockets
SmartCrops Intelligent Hydroponics Platform
Industry: Agrotech · Intelligent Hydroponics · IoT · Edge Devices · Cloud Solutions
Summary: End-to-end IoT/Edge/Cloud architecture to automate Flood & Drain systems with ESP32 nodes, containerized backend, MQTT telemetry, time-series database and read-only web dashboard. Includes technical package with FSR, SAD, ADR catalog and C4 diagrams.
Keywords: IoT · Edge Computing · Hydroponics · MQTT · ESP32 · Real-time telemetry · Zero Trust · Agricultural automation · Scalable architecture · Technical documentation
Tech Stack: ESP32 · MQTT · Fastify (backend) · Next.js (dashboard) · PostgreSQL · Docker Compose · WebSockets · Linux · ADRs · C4 Diagrams
Thesis Project: Embedded HW/FW System Development
Industry: Agrotech · Automation · Embedded Systems
Summary: Development of an automated system for indoor crops with a custom PCB based on a PIC microcontroller, C firmware for irrigation, lighting, aeration and environment control, plus an Android application with real-time GUI and custom Bluetooth communication.
Keywords: Embedded Systems · PCB Design · PIC Microcontroller · Bluetooth Telemetry · Android App · Indoor Farming · Real-time control · Sensors · Actuators · C Firmware
Tech Stack: PIC Microcontroller · C · Custom PCB · Android · Bluetooth · Environmental sensors · Actuator control · Irrigation systems · Real-time control · Custom protocol
Tech stack
Technologies I work with most comfortably.
Languages
C, Python, JavaScript, HTML5, CSS3, Bash, PowerShell.
Embedded systems
ESP32, Raspberry Pi, Arduino, PIC microcontrollers, PlatformIO, EDA tools, PCB design.
Cloud & DevOps
AWS, Google Cloud, Oracle, Docker, Nginx, Git/GitHub, CI/CD, Debian Linux, WireGuard.
Data & Messaging
PostgreSQL, MySQL, MariaDB, SQLite, Redis, MongoDB, MQTT, Modbus, TCP/IP, LAN/WLAN, VPN.
AI & LLM
OpenRouter, OpenWebUI, model APIs, multi-LLM flows, basic RAG, HuggingFace.
Productivity
Jira, Trello, Notion, Figma, Canva, Adobe Illustrator, Postman, Cloudflare, Google Workspace, MS365.
Professional experience
Full history of roles in engineering, development and technical support.
IT Technical Support · Guayas Tech Solutions
I provide on-demand IT support and infrastructure services for small and medium-sized businesses, offices and individual clients. I handle hardware and software diagnostics, basic network configuration and optimization of computers and workstations. I also help implement lightweight, practical cloud solutions for real needs of small businesses. I maintain a direct relationship with users, explaining solutions clearly and aligned with day-to-day operations.
IoT Solutions Architect · Independent Consultant
I designed the architectural blueprint for an agriculture-focused IoT solution, defining system components, data flows and integration points for a future scalable implementation.
- High- and low-level architecture for sensor nodes (ESP32), backend API, data ingestion and visualization interfaces.
- Documentation of communication models, data structures and cloud–edge interaction patterns.
- Definition of scalability standards, modular design and repository structure for development phases.
- Delivery of technical documentation covering functional design, integration logic and implementation guidelines.
IoT Solutions Engineer · Soluciones Administrativas Cobremex, C.A.
I led the technical proposal and architectural design for an IoT-based vehicle access control system integrated with the existing tolling platform.
- Definition of IoT infrastructure, communication protocols and cloud integration strategy.
- Preparation of technical documentation and architectural blueprint for validation and future implementation.
- Scalability, remote monitoring and data interoperability recommendations for a new business vertical.
Embedded Hardware Engineer · Anyware Venezuela, C.A.
I developed and maintained embedded hardware systems for intelligent parking controllers, ensuring reliable communication and performance in the field.
- Design of custom HAT-type PCBs for Raspberry Pi–based controllers.
- Corrective maintenance and hardware/network diagnostics at customer sites.
- Collaboration with software teams to improve stability and hardware–software integration.
Embedded Hardware Engineer · Paytech Corporation C.A.
I led and coordinated technical support operations for the PagoDirecto parking control system, managing field activities, hardware redesign and engineering support.
- Organization and supervision of field technical support, ensuring operational continuity.
- Ownership of ESP32-based controller boards and their performance for national customers.
- Inventory management and acquisition of electronic components nationwide and internationally.
- Key participation in the redesign of controllers to SMD technology, improving production and reliability.
- Preliminary architecture design for LTE/GSM telemetry for new products.
Field Service Engineer · Thermo Fisher Scientific Venezuela
I provided preventive and corrective maintenance for electron microscopy systems (SEM/TEM) and auxiliary equipment for national and international clients.
- On-site and remote diagnostics, installation and maintenance of high-precision lab equipment.
- Design of installation layouts in AutoCAD and technical reports.
- Logistics and spare parts management for customers in different LATAM countries.
- Participation in installation projects and technical training for clients.
IT Technical Support · Independent Consultant
I provided preventive and corrective maintenance for computers and peripherals, designed LAN/WLAN networks for homes and small offices and optimized high-performance PCs for different use cases.
- Diagnosis and resolution of hardware and software failures.
- Configuration of wired and wireless networks.
- Assembly, upgrades and optimization of workstations.
- Preparation of technical reports for incidents and maintenance work.
Multimedia Services Engineer · Corporación Audvintech C.A.
I performed maintenance on videoconference multimedia rooms in regional offices and provided technical support for corporate audiovisual equipment.
- Technical inspections and calibration of audiovisual systems.
- Basic training for users and customer IT teams.
- Support to maintain audiovisual quality and connectivity standards.
Embedded Systems Engineer (Thesis Project) · Venezolana de Electrónica S.R.L.
I took part in the development of a prototype autonomous robot for light cargo transport, combining hardware prototyping and embedded programming concepts.
- Application of robotics principles, digital design and control systems.
- Teamwork in applied engineering environments.
- Hands-on experience in embedded systems design and testing.
Embedded Systems Engineer (Internship) · Hardware Development Company
Internship focused on technology research, component selection and development of embedded-system prototypes.
- Review of technical articles and selection of applicable technologies.
- Design and testing of electronic prototypes and firmware in C.
- Use of EDA tools for schematics and PCB design.
Process Documentation Assistant · Inversiones Resansil C.A.
I supported the preparation and organization of operating procedures and internal manuals for different departments, improving clarity in workflows.
- Collaboration with business areas to document processes.
- Support in structuring manuals and guides.
Courses & certifications
Relevant complementary training.
- C2 English Certificate – EF SET (April 2025)
- Introduction to Project Management Course – Colegio de Ingenieros de Venezuela
- 2D Design with AutoCAD Course – Abstract Training Center
- Practical Introduction to Python Course – Platzi Inc USA
- Professional English Certificate – Platzi USA
- Customer Service Certificate – CIAP Universidad Católica Andrés Bello
- A/V Systems Associate Certificate – Extron Electronics US
- Introduction to Networking CCNA Course – Muelles de Alejandría
- B2 English as a Foreign Language Certificate – Centro Venezolano Americano
Contact
Available for opportunities in Engineering, Development and high-impact technical roles.