Senior IoT Developer – Fluent English

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🕒 May 6

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TOPMIND

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 1994

🤖 Artificial Intelligence

🤝 B2B

🏢 Enterprise

Artificial Intelligence • B2B • Enterprise

TOPMIND is a technology services company with over 22 years of experience that helps organizations in Brazil, Latin America and the US accelerate digital transformation. It provides IT outsourcing and consultancy, data projects (BI, analytics, machine learning, big data), chatbot and AI solutions, RPA, telecom and asset management, and workspace automation, along with training, innovation labs and change journeys to build capabilities and drive innovation.

📋 Description

• Develop new integrations by analyzing data generated by IoT devices and connecting them to the company’s internal systems • Support technical teams in building technology integrations, proposing solutions aligned with organizational guidelines • Test and validate systems and integrations to ensure quality and alignment with business needs • Identify and resolve issues throughout all project stages • Collaborate with internal teams and vendors to ensure solution delivery • Document developed solutions to guarantee traceability and reliability • Conduct technical site visits to customers when necessary

🎯 Requirements

• End-to-end IoT architectures (Device → Gateway → Cloud → Application) • Edge, fog and cloud computing models • Architectural patterns such as publish/subscribe, event-driven and streaming • Experience with microcontrollers (ESP32, STM32, among others) and ARM and RISC-V architectures • Hardware interfaces (GPIO, UART, SPI, I²C, CAN) and integration with sensors and actuators • Programming in C/C++ (essential), as well as Rust or MicroPython • Experience with RTOS (FreeRTOS, Zephyr) • Communication protocols (MQTT, CoAP, HTTP/REST, WebSockets, AMQP) • Networks and connectivity (Wi-Fi, BLE, Cellular, LPWAN, TCP/IP, VPN) • IoT platforms (AWS, Azure, GCP or equivalents) • IoT security (PKI, TLS/mTLS, secure boot, encryption, credential management) • Backend development (Python, Java, Node.js or Go), APIs and microservices • Messaging (Kafka, RabbitMQ) and observability (logs, metrics, tracing) • IoT data modeling and processing (time series, data quality) • CI/CD, firmware versioning and production device monitoring • Knowledge of scalability, high availability and distributed systems • Familiarity with ISO standards and security/audit requirements • Plus: experience in industrial food environments

🏖️ Benefits

• Challenging work environment • High technical level • Opportunity to directly impact connected solutions