Hire the Best MQTT Specialists
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SAGAR P.

Anand, India

$35/hr
5.0
48 jobs

IoT Solutions Experts | Thingsboard Expert, LoRaWAN & Chirpstack | AI | MQTT | LLM I am an experienced IoT solutions developer with a strong focus on Thingsboard and Chirpstack platforms. With over 12+ years of experience in the IoT industry, I specialize in creating robust, scalable, and efficient IoT solutions that meet the diverse needs of businesses across various sectors. With a focus on crafting scalable IoT architectures and managing backends, I excel in ensuring projects surpass business objectives. My comprehensive background enables seamless integration between cloud development and physical devices, facilitating cohesive operations between firmware/hardware and cloud development teams. Core IoT Services Offered: ✅Design and Implementation of IoT Platforms (PaaS) ✅Tech Stack Evaluation and Selection for Optimized IoT Platforms ✅Strategic Consultancy in IoT for Business Enhancement ✅Development of Cloud-based IoT Solutions specializing in AWS & Azure IoT ✅Advanced Edge Computing, IoT Gateways, and Hybrid Solutions for Seamless Integration ✅End-to-End LoraWAN Solutions for Diverse IoT Applications ✅Data Analytics and Visualization for Effective IoT Data Interpretation ✅Expert Communication and Synchronization with Firmware/Hardware Teams for Efficient Device-Cloud Integrations ✅Audit and Consultancy for IoT Cybersecurity to Ensure Secure IoT Solutions ✅Professional Training on IoT for Skill Enhancement and Knowledge Sharing ✅Intelligent Infrastructure Monitoring ✅AI-based web applications ✅Smart-building Energy monitoring system ✅Full CRUD UI for Database management 🌐 IoT Solutions with LoRaWAN: As a LoRaWAN specialist and chirpstack contributor, I specialize in designing and implementing IoT solutions that leverage the LoRaWAN protocol for long-range communication. From sensor integration to network architecture design, I can help you build reliable and cost-effective IoT systems for various industries. Specialized IoT Platform Expertise: 🌟 Thingsboard – Your Ultimate IoT Solution: ✅Scalable Cloud Deployments: Mastery in deploying both Professional and Community Editions, with an eye for upgrades and scalability. ✅Integration Mastery: Seamless device management and data flow with MQTT, HTTP, LoRaWAN, and major cloud IoT cores. ✅Custom Visualization: Designing insightful, custom dashboards and widgets for comprehensive data analysis. ✅Automation & Efficiency: Crafting complex rule chains for smart, automated decision-making processes. 🌟AWS ✅AWS IoT Core, Device Management, Greengrass, Lambda, Kinesis, QuickSight, SageMaker, EC2, CloudFront, AWS RDS, AWS MSK 🌟Azure: ✅Azure IoT Hub, Device Provisioning Service (DPS), Event Hub, Azure Functions, CosmboDB, PostgreSQL 🌟 Datacake – Simplifying LoRaWAN Monitoring: ✅LoRaWAN Monitoring: Specializing in robust monitoring solutions tailored to your specific needs. 🌟 Home Assistant & Node-Red – Smart Automation & Integration: ✅Smart Home Automation: Leveraging MQTT, Zigbee2MQTT, Zwave for advanced home automation solutions. ✅Custom IoT Workflows: Designing custom integrations and flows in Node-Red for personalized IoT applications. 🌟LoRaWAN and Communication Protocols Expertise: ✅LoRaWAN Deployment & Integration: Expert deployment of LNS servers on the cloud, including Chirpstack and The Things Network, with ongoing support and maintenance. ✅Custom Solutions for Various Industries: Offering tailored decoder scripts and solutions for industries like smart cities, agriculture, and construction. ✅ MQTT (Mosquitto, EMQX, TBMQ, HiveMQ), AMQP ✅Zigbee ✅Zwave 🌟Databases: ✅InfluxDB, PostgreSQL, Cassandra 🌟Data Analytics & Scripting: ✅Powerful Analytics Tools: Utilizing Kafka, AWS Kinesis, Trendz Analytics and Power BI to derive meaningful insights from complex data sets. ✅Python Scripting & Microservices: Building scalable API solutions and microservices with a rich library of tools for IoT integration. 🏆 Why Choose Me? 1. Proven expertise in .NET Core development, LoRaWAN, and ThingsBoard. 2. Strong problem-solving skills and attention to detail. 3. Dedication to delivering high-quality solutions on time and within budget. 4. Excellent communication skills and a collaborative approach to project management. 5. Client satisfaction is my top priority - I'm committed to exceeding your expectations! 6. Custom Solutions: Tailored IoT solutions to meet specific business needs and objectives. 7. End-to-End Support: Comprehensive support from initial consultation through deployment and maintenance. 8. Innovation and Quality: Commitment to delivering high-quality, innovative solutions that drive business growth. I have been an official contributor to chirpstack for the last 10+ years and customize chirpstack for my clients Ready to take your IoT projects to the next level? Let's discuss how I can help you achieve your goals with cutting-edge IoT solutions. Feel free to reach out for a consultation or to view more detailed case studies of my work.

  • MQTT
  • C#
  • Redis
  • Microsoft SQL Server
  • JavaScript
  • AngularJS
  • Docker
  • Microsoft Azure
  • LoRa
  • .NET Core
  • Internet of Things
  • Industrial Internet of Things
  • Bluetooth
  • AWS IoT Core
  • NodeJS Framework
Ravi H.

Pune, India

$35/hr
4.8
55 jobs

I help companies design, build, and scale industrial-grade IoT platforms — from edge devices to cloud and real-time dashboards. With 10+ years of experience, 36+ projects, and 35,000+ connected devices, I specialize in delivering production-ready IoT systems that are scalable, secure, and reliable in real-world environments. 🔧 What I Do 🧠 IoT Architecture (End-to-End) • Edge → Gateway → Cloud → Dashboard design • Multi-tenant IoT platforms • High-throughput telemetry pipelines • Real-time monitoring & alerting systems ⚙️ Industrial & Edge Integration • Protocols: MQTT, OPC UA, Modbus (RTU/TCP), DNP3, IEC104, CAN/J1939 • PLC, SCADA, RTU integrations • Edge computing (Python, Docker, Linux-based gateways) • Offline-first and low-bandwidth architectures ☁️ Cloud IoT (AWS & Azure) • AWS IoT Core, Lambda, API Gateway, DynamoDB, Timestream • Azure IoT Hub, Event Hub, IoT Edge, Digital Twins • Secure device onboarding (X.509, JITP/JITR) • Scalable ingestion (Kafka/Kinesis-based pipelines) 📊 Dashboards, Data & Analytics • ThingsBoard (CE & PE) – custom dashboards, rule chains • Grafana, InfluxDB, Timeseries analytics • Real-time event processing & anomaly detection 🔄 Deployment & DevOps • Docker, Kubernetes, CI/CD pipelines • OTA updates & device lifecycle management • Production monitoring, logging, and scaling 💡 Key Strengths ✔️ Designed systems handling thousands of devices & high-frequency data ✔️ Strong in Edge + Cloud combined architecture (not just one side) ✔️ Experience with industrial environments (Oil & Gas, Energy, Fleet, Smart Infra) ✔️ Focus on performance, reliability, and long-term scalability ✔️ Able to translate business problems into technical IoT solutions 🤝 Let’s Build Something Scalable If you need someone who can own your IoT system end-to-end — from architecture to deployment — I can help. 👉 Message me with your use case, and I’ll propose a clear, scalable solution approach. Please note that my hourly rate is $65/hour for architecture work and $35/hour for development work.

  • MQTT
  • API Integration
  • Raspberry Pi
  • AWS IoT Device Management
  • AWS IoT Analytics
  • API Development
  • React
  • Socket.io
  • Internet of Things
  • Websockets
  • Django
  • AWS IoT Core
  • Git
  • JavaScript
  • TCP/IP
  • Python
  • Node.js
  • Linux
  • MongoDB
  • Flask
Vishnu C.

Belgaum, India

$5/hr
4.7
43 jobs

I am an electronics and firmware developer with experience in PCB design, firmware development, prototyping and SMD assembly. My journey started with hand crafting single sided PCBs — giving me a strong practical foundation from the ground up. PCB Design: 2 and 4 layer PCB design in KiCad 8,Kicad 9(Soon migrating to Kicad 10) & EasyEDA(Standard & Pro version) . Former EagleCAD user Schematic to manufacturing ready layout Custom footprint creation Gerber, drill, pick and place and BOM files Full submission support for JLCPCB(PCB & PCBA) and similar manufacturers Assembly & Prototyping: SMD soldering — 1206-0402 passives, QFN, TSSOP (except BGA) Through hole soldering Small batch prototype assembly Component procurement support Firmware & Connectivity: Microcontrollers — ESP32, ESP8266, Arduino, AVR, 8051 Cellular — Quectel EC25 & SIMCom SIM7672 with MQTT SSL/TLS Wireless — LoRa, WiFi, Bluetooth, GSM GPS — Ublox & Quectel module integration Displays — OLED, TFT, capacitive touch Protocols — I2C, SPI, UART, MQTT SSL/TLS, HTTP REST Motor drivers, WS2812 LED arrays, power circuits GPS- Quectel L89, Ublox M10S Special - WS2812 Led Projects include: GPS trackers, GSM security systems, water level controllers, , line followers, obstacle detection robots, WS2812 LED arrays and various ESP32 and Arduino IoT devices. I am a full time freelancer committed to clear communication and timely delivery — working with hobbyists, startups and commercial clients alike. Feel free to reach out!

  • MQTT
  • AVR Microcontroller
  • ESP32
  • Raspberry Pi
  • Microcontroller Programming
  • Arduino
  • Firmware
  • ESP8266
  • Eagle
  • PCB Design
  • Electronics
  • KiCad
  • Electronic Design
  • Digital Electronics
  • Circuit Design
  • Hardware Troubleshooting
  • Embedded C
  • EasyEDA
Pankaj K.

Delhi, India

$45/hr
4.9
117 jobs

I design, code and build production-ready SaaS, Full-Stack, VoIP, CPaaS, UCaaS, Contact Center, SIP/RTP/WebRTC, AI Voice and CRM platforms. 20+ years across software engineering, architecture and delivery, with 90+ successful Upwork projects. Need one technical partner who can own the solution from architecture to production? I work across frontend, backend, APIs, databases, real-time communications, AI integrations, cloud and DevOps. 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 • Multi-tenant SaaS, CRM/ERP, admin portals, customer portals and enterprise applications • CPaaS, UCaaS, CCaaS, hosted/multi-tenant PBX and telecom platforms • Predictive, progressive, power and automated dialers • IVR, call queues, routing, recording, transcription, call analytics and agent management • AI Voice Agents, AI receptionists, conversational AI and real-time voice systems • WebRTC softphones, browser calling, SIP clients and real-time communication • REST/GraphQL APIs, WebSockets, webhooks and third-party integrations • CRM, ERP, payment, telecom carrier, DID, SMS and enterprise system integrations • E-commerce, Magento/headless commerce, mobile commerce and PWAs • MVP, platform modernization, feature development and enterprise-scale systems 𝗧𝗘𝗟𝗘𝗖𝗢𝗠 & 𝗥𝗘𝗔𝗟-𝗧𝗜𝗠𝗘 FreeSWITCH, Asterisk, FusionPBX, FreePBX, VICIDIAL, SIP, RTP, WebRTC, SIP.js, ESL, AGI, AMI, ARI, IVR, DID, DNC, SIP trunking, carrier integration, SBC, telecom billing, call recording, queues, dialers and voice broadcasting. 𝗔𝗜 𝗩𝗢𝗜𝗖𝗘 & 𝗔𝗚𝗘𝗡𝗧𝗜𝗖 𝗔𝗜 OpenAI, Claude, Gemini, OpenAI Realtime API, Deepgram, ElevenLabs, LiveKit, LangChain, LangGraph, MCP, RAG, vector databases, AI agents, knowledge assistants, AI customer support, call automation and CRM-integrated AI workflows. 𝗙𝗨𝗟𝗟-𝗦𝗧𝗔𝗖𝗞 Frontend: React, Next.js, Vue.js, Angular, JavaScript, TypeScript, Tailwind CSS, Material UI, PWA Backend: Node.js, NestJS, Python, FastAPI, Django, Laravel, PHP, Go Mobile: React Native, Flutter, Ionic, Android, iOS APIs: REST, GraphQL, WebSockets, OpenAPI, Swagger, OAuth, JWT, Webhooks, MCP Data: PostgreSQL, MySQL, MongoDB, Redis 𝗖𝗟𝗢𝗨𝗗, 𝗗𝗘𝗩𝗢𝗣𝗦 & 𝗣𝗥𝗢𝗗𝗨𝗖𝗧𝗜𝗢𝗡 Linux, Docker, Kubernetes, Terraform, AWS, Azure, Google Cloud, Nginx, HAProxy, CI/CD, GitHub Actions, GitLab CI, monitoring, logging, Prometheus, Grafana, Loki, auto-scaling, high availability and production deployment. 𝗘-𝗖𝗢𝗠𝗠𝗘𝗥𝗖𝗘 & 𝗘𝗡𝗧𝗘𝗥𝗣𝗥𝗜𝗦𝗘 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗜𝗢𝗡 Magento 2, GraphQL, Headless Commerce, PWA Commerce, OMS, SAP, Navision, Unicommerce, Flute Commerce, Razorpay and custom enterprise integrations. Experience includes QSR, retail, insurance, banking, airline, real estate and environmental platforms. 𝗔𝗥𝗖𝗛𝗜𝗧𝗘𝗖𝗧𝗨𝗥𝗘 • Solution/software architecture and system design • Database, API and integration architecture • Microservices and event-driven architecture • Multi-tenant and white-label SaaS architecture • Real-time communication architecture • Cloud architecture and containerization • Security, scalability and performance optimization • High availability and disaster recovery 𝗧𝗥𝗢𝗨𝗕𝗟𝗘𝗦𝗛𝗢𝗢𝗧𝗜𝗡𝗚 & 𝗠𝗢𝗗𝗘𝗥𝗡𝗜𝗭𝗔𝗧𝗜𝗢𝗡 I can analyze existing systems, identify architectural bottlenecks, troubleshoot VoIP/SIP issues, optimize APIs and databases, modernize legacy applications, improve scalability, integrate new services and take existing products toward production readiness. 𝗦𝗘𝗟𝗘𝗖𝗧𝗘𝗗 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 Enterprise CCaaS | AI Voice Agents | UCaaS | CPaaS | Telecom ERP | Hosted PBX | Multi-Tenant PBX | FreeSWITCH/Asterisk | VICIDIAL | Predictive Dialers | WebRTC Calling | Telecom Billing | CRM | AI Knowledge Platforms | Magento Headless Commerce | OMS/SAP Integration | Workflow Automation | Call Analytics 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗛𝗜𝗥𝗘 𝗠𝗘 ✓ Architecture + hands-on development ✓ End-to-end ownership from discovery to production ✓ Full-Stack + SaaS + AI + VoIP + Cloud/DevOps ✓ Strong telecom and real-time communication experience ✓ Production-focused, scalable and maintainable engineering ✓ Able to work with an existing codebase or build from zero If your project combines SaaS, Full-Stack development, AI, APIs, CRM, VoIP, CPaaS, Contact Center, e-commerce or cloud infrastructure, I can architect, develop, integrate and deploy the complete production system. 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗖𝗔𝗡 𝗘𝗫𝗣𝗘𝗖𝗧 Clear architecture, practical technical decisions, clean APIs, maintainable code and production-ready deployment not just a prototype. I can join at any stage: idea/MVP, architecture, existing codebase, feature development, system integration, performance optimization or production troubleshooting. 𝗟𝗘𝗧’𝗦 𝗕𝗨𝗜𝗟𝗗 Have an existing system that needs improvement, or a product that needs to be built from scratch? Share your requirements, current architecture/codebase and goals. I can identify the right architect

  • FreeSWITCH
  • Solution Architecture
  • Asterisk
  • VICIDIAL
  • PBX
  • VoIP Software
  • Full-Stack Development
  • Call Center Software
  • VoIP Administration
  • HighLevel
  • CRM Development
  • CRM Automation
  • AI App Development
  • FreePBX
  • VoIP PBX
  • Docker
  • NestJS
  • Zoho CRM
  • OpenAI Codex
  • Claude
Sheeba D.

Calicut, India

$40/hr
5.0
178 jobs

IoT Consulting, IoT solution development, IoT Prototype development, IoT Minimum Viable Product ( MVP ) development since 2014. 100+ IoT projects completed Served clients from over 20 countries Over 30000 hours in IoT projects With over a decade of experience and a proven track record of delivering 100+ successful IoT projects, we're your partners in innovation. Our team of IoT enthusiasts, embedded engineers, and web/mobile app developers has successfully transformed complex ideas into tangible IoT solutions across diverse industries. We have helped clients optimize operations, reduce costs, and drive growth in a variety of industries. Sensorvision IoT Platform: Our customizable platform excels in device management and data visualization, providing actionable insights. We specialize in IoT Development with the following technologies - ESP32, LoRa, LoRaWAN, BLE, Particle, Mobile app development with React Native IoT use cases - IoT enabled product development, Energy monitoring and management, High value asset monitoring and tracking, Industrial condition monitoring, Smart farming, Hydroponics, Irrigation control, IoT building automation, Smart garments, Rule-based alert systems The IoT applications we have developed used: Hardware platforms used – Particle (Electron, Argon, Boron, Xenon) ESP(ESP8266, ESP32) STM 32 nRF 52 Arduino Raspberry Pi, ATmega and ARM Pycom Controllers Communication networks - Wi-Fi and Cellular (GSM/GPRS) Bluetooth and BLE LoRa, LoRaWAN and LPWAN Zigbee and Zigbee Mesh BACnet and Modbus Sigfox, NRF and MRF transceivers and Ethernet connections. Cloud services - Integration established using HTTP and MQTT protocols AWS cloud - EC2, S3, SNS, AWS IoT, AWS Greengrass, AWS Lambda, Cognito and RDS & Dynamo DB. Azure IoT Particle Device Cloud Google Cloud ThingsBoard IBM Bluemix Clients’ custom cloud platforms Web and Mobile App Development - LAMP, MEAN & MERN stacks Core Technologies – HTML, CSS and JavaScript JavaScript – Node.js, Angular.js, React.js, Vue.js, React Native .NET, Python and Node-RED Ionic and Native App Development Actuators - Solenoid Valves, Relays and LEDs. Hardware communication protocols - UART, SPI, I2C, USART, RS232, RS485, 1-Wire. Sensors Used – GPS based tracking solutions with additional sensor integration IMU sensors (Accelerometer, Gyrometer, Magnetometer) Environmental sensors (Thermocouple, Dht22, Lm35, DS18B20, BMP280, Rain sensors, Leaf wetness sensor, Soil moisture sensor, Water level, Water flow, Ambient light, LDR) Proximity sensors (Ultrasonic, IR, PIR) Detection sensors (Contact, Level, Hall effect sensor, Reed switch, Limit switches) Air quality sensors (OMRON, Sensiron, Co2 Sensors, Dust sensor, VOC, MQ135, CCS811) Vibration sensors, Vibration sensor switch, Tilt sensors Motion sensors (ADXL345, GY521)

  • Mobile App Development
  • Azure Cosmos DB
  • Internet of Things Solutions Design
  • Amazon S3
  • LoRa
  • Google Cloud Platform
  • Amazon EC2
  • Firmware Programming
  • AWS CloudFront
  • PCB Design
  • AWS CloudFormation
  • Progressive Web App
  • STM32
  • API Development
  • ESP32
Amit S.

Bangalore, India

$50/hr
4.9
229 jobs

** I am what I am because of what we all are. ** I am a self-motivated, hard-working, and open-source contributor. I am also an Android Enterprise Certified Professional. My GitHub handle is *amsurana* Mobile experience [since 2009] * Worked on Qualcomm, Mediatek, Amlogic, Rockchip based devices. * Qualcomm Secure Boot, Mediatek Secure Flash & Boot Support. * Porting and Writing Device Drivers * Customizing Android Kernel * Android Automotive OS Expert - Projects and Consulting. Ported Automotive OS to RPI. * Android Firmware development for all kind of Devices [PCBA, Phones, Tablet, TV, Accessories] * Android SDK/NDK * Android Wearable * Custom ROM - I have deep experience in customizing Android and modifying the entire OS experience as per the requirements. Some of the customizations I have done - changing boot animations, modifying shutdown screen, removing bloatware, developing system-level apps, making a tablet a Kiosk (without permissions), Bluetooth stack modification, Carrier config updates, and many more. * Secure OS - Make your Android ultra-secure. * OTA for A/B Seamless or Non-AB devices * Secure Android OS using AVB Tool * MDM, EMM, Mobile Device Management - If you plan to use MDM or develop your MDM, do reach out to me. I have experience in Airwatch, SOTI, ScaleFusion, Gears42, and FieldX. Special Skills: Z-wave, Zigbee, IoT, Amazon Alexa, Google Home Assistant, Smarthome, IFTTT Keywords - Android, Web, Social Media Integration, Java, J2EE, Bluetooth, BlueZ, DBus, AOSP, Custom ROM, Docker, Play Framework, Linux, AWS, EC2, MongoDB, Eclipse, Cyanogen mod, LineageOS Android TV, Android OS, Custom ROM, Tizen, LinegaeOS, RaspberryPi, OrangePi, Khadas VIM, HiKey, Amlogic, Rockchip, Airwatch, SOTI, MDM, EMM, Pentest, Penetration Testing, Qualcomm, Mediatek

  • Java
  • Kotlin
  • Android
  • Mobile App Development
  • Android App Development
  • Android NDK
  • Android SDK
  • Firmware Programming
  • Internet of Things
  • Firmware
  • Embedded System
  • Mobile Device Management
  • AOSP
  • Raspberry Pi

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