Senior Developer

Poya Shad
+46 73 980 61 11 · poya.shad@zero46.com
Innovative and versatile technology leader with a proven track record in IoT, cloud computing, and full-stack development. Combines strategic vision with hands-on technical expertise to drive cutting-edge solutions. My work is characterized by a focus on efficiency, security, and user experience, always aiming to empower intelligent decision-making through technology.
EXPERIENCE
Careium AB (Contract)
Senior Backend Developer
May 2024 - June 2025
Worked on mission-critical healthcare backend platform providing real-time alert systems for elderly care. Focused on building reliable, secure infrastructure to process medical device data and ensure timely response to health emergencies.
Technical Skills:
Amazon Web Services (AWS), Infrastructure as Code (IaC), Serverless Framework, Node.js, TypeScript, PostgreSQL, REST APIs, AWS Lambda, API Gateway, TCP/IP, IoT Protocols, Microservices
Develop and maintain backend systems for AWS platforms using TypeScript and Node.js
Design and implement microservices architecture to support scalable solutions
Optimize communication TCP protocol for IoT devices
Collaborate with manufacturers to drive project development and make key technical decisions
Designed and built alarm routing system integrating with multiple external response services
Designed and implemented RESTful APIs enabling third-party service integration with the platform
Ensure secure data transfer by implementing VPN and encrypted traffic solutions.
PRYM.IO (Driven By Data AB)
CTO & Full Stack Developer
June 2021 - April 2024
Architected and led development of IoT platform orchestrating real-time data integration between of physical devices and PRYM.io using AWS serverless architecture and external networking services.
Technical Skills:
Amazon Web Services (AWS Lambda, AWS IoT Greengrass, AWS AppSync, Amazon DynamoDB, Amazon Timestream, Amazon Cognito, Amazon S3, AWS Amplify)
Frontend Development (Vue.js, JavaScript, HTML, CSS)
Backend Development (Node.js, GraphQL, ETL, APIs)
IoT Development (Device Management, Real-time Data Processing)
Professional Experience:
Designed and implemented serverless cloud architecture on AWS supporting IoT operations
Developed secure device lifecycle management system for IoT device configuration, monitoring, and maintenance
Created data processing pipelines being able to handle millions of daily data points from industrial IoT devices
Implemented GraphQL infrastructure for IoT device management
Built Vue.js frontend applications featuring real-time data visualization dashboards
Established multi-tenant auth for the platform with AWS Cognito
SOFTWARE ENGINEER CONSULTANT. AXIANS IOT OPERATION, 2018 - 2021
Akelius - Smart Building (Assignment)
The task was to design, develop and implement processes and programs that collected data from district heating meters, electricity meters and cold water meters, and then visualize and present the data.
Industrial protocols as: Wireless Mbus, Mbus, OPC-UA & Modbus
Languages: Javascript & NodeJS (API, JSON schemas)
Device-to-cloud: Azure IoT Hub, Events Hubs, Functions Apps and Virtual Machines
Visualization using Grafana.
Omexom - Power grid transformer monitoring (Assignment)
The assignment consisted of designing, developing and implementing processes and programs that collected data from sensors in transformers and then visualized the data.
Data collection from sensors to storage and processing.
Device-to-cloud: Azure IoT Hub, Events Hubs, Functions Apps, Virtual Machines(InfluxDB & Grafana)
Visualization: Visualization using Grafana
CRAMO - Indoor Positioning System (Assignment)
The assignment consisted of designing and developing an Indoor Positioning system that tracked tools indoors and then presented the tool on a map.
Developed hardware and software for the Pilot Project
Languages: C++, Javascript & NodeJS
Device-to-cloud: Azure IoT Hub, Events Hubs, Functions Apps and Virtual Machines
Sandvik Materials Technology R&D (Assignment)
The assignment consisted of designing and developing an Indoor Positioning system that tracked tools indoors and then presented the tool on a map.
Developed hardware and software for the Pilot Project
Languages: C++, Javascript & NodeJS
Device-to-cloud: Azure IoT Hub, Events Hubs, Functions Apps and Virtual Machines