Konstantinos Xyderos

Working Experience

Freelance Software Engineer, Eunice Energy Group, August 2023 - Present

Responsibilities

• Implemented a gateway for remote control of inverters and meters,
  
  
• Implemented communication mechanisms for MQTT, Modbus and AWS.
  
  

Achievements

• Remote data as metrics from the devices to the cloud,
  
  
• Remote control of the devices from the cloud.
  
  

Technologies used

• C#, .NET, ModBus, MQTT, Redis, Compute Module 4, AWS IoT Core, Docker, git
  

Consulting Software Engineer at Knightec, Stockholm, January 2023 - Present

• Scania, Stockholm, January 2023 - Present

  Responsibilities

  • Developed the software testing platform and the HIL architecture,
    
    
  • Developed an HMI simulator based on CAN and LIN.
    
    

  Achievements

  Technologies used

  • C#, Python, C++, CANoe, CANalyzer, CAN, J1939, ECUs, OBD++, git
    

Consulting Software Engineer at Cubist, Stockholm, August 2021 - January 2023

• Innovation Zed, Stockholm, November 2022 - January 2023

  Responsibilities

  • Implemented web service for simulating injection schedules as a tool,
    
    
  • Maintained the data collection and Firmware Over the Air service.
    
    

  Achievements

  • A service that informs devices with scheduled notifications for injections,
    
    
  • A service for managing firmware updates as well as data collecting.
    
    

  Technologies used

  • Python, Django, Postgres, Swift, Objective C, Bluetooth Low Energy, git
    

• Cimon Medical, Stockholm, Sweden, May 2022 - November 2022

  Responsibilities

  • Implemented the Hospital Information System module,
    
    
  • Implemented the Monitor Streamlining System module.
    
    

  Achievements

  • Implemented a system module to interact with Hospital Information Systems, that is to send and retrieve patient data
    
    
  • Implemented a new system moduleto streamline data to medical monitors that utilize serial protocols.
    
    

  Technologies used

  • C#, .NET Framework, RS232, Redis, Docker, MQTT, Azure DevOps, git
    

• ImagineCare, Stockholm,August 2021 - May 2022

  Responsibilities

  • Developed and architected distributed and event driven microservices,
    
    
  • Implemented the MQTT internal library and the authentication service.
    
    

  Achievements

  • An effective cluster with microservices that enacted remote healthcare,
    
    
  • Integration with external identity providers.
    
    
  • Achieved almost 200% speedup in request processing throughout the whole cluster compared to the process driven architecture,
    
    

  Technologies used

  • C#, .NET Framework, Postgres, Prometheus, Kubernetes, Docker, MQTT, Azure DevOps, git
    

Research Software Engineer, Renesas, Athens, May 2021 - August 2021

Responsibilities

• Implemented Bluetooth LE profile for sensor interaction,
  
  
• Handled IO with thermometer and gyroscope via SPI.
  
  

Achievements

• The thesis was interrupted after a considerable amount of work had been done due to work scheduling conflicts.
  
  

Technologies used

• C language, Python, Bluetooth Low Energy, SPI, freeRTOS, Dialog DA14695/DA14685, git
  

Software Engineer, NordName, Stockholm, January 2020 - June 2020

Responsibilities

• Implemented the core API of the service according to the IANA standards,
  
  
• Implemented security measures against exploits like CSRF and time limiting.
  
  

Achievements

• Functionality of the DNS lookup service according to the IANA standards,
  
  
• Protection against malicious attacks, exploits and DDoS.
  
  

Technologies used

• Python, openAPI, Redis, Flask, git
  

Embedded Software Engineer Intern, Renesas, Athens, May 2019 - August 2019

Responsibilities

• Introduction to embedded systems, RTOS, and C
  
  
• Introduction to Bluetooth Low Energy (BLE) with a mini project.
  
  

Achievements

• Introducted and focused on real time operating systems,
  
  
• Extensive study on Bluetooth Low Energy on application and host layers.
  
  
• Joined a development team as an intern to learn the flow of embedded software development.
  
  

Technologies used

• C language, Python, Bluetooth Low Energy, freeRTOS, Dialog DA14695/DA14685, git
  

Software Engineer Intern, IT Service Nordic AB,Stockholm, January 2019 - April 2019

Responsibilities

• Developed a web scraping Java module for IT advertisements with periodic notifications,
  
  
• The application would receive projects and send them individually to consultants as ads.
  
  

Achievements

• Fully functioning application where the consultants would get advertisements as a mail.
  
  

Technologies used

• Java, Postgres, git