Upstaff Sign up
Michail Karatzidis, Software Developer
Michail Karatzidis
🇬🇷Greece (UTC+02:00)
Created AtUpstaffer since October, 2025

Michail Karatzidis — Software Developer

Expertise in Back-End Web (2.0 yr.), DevOps (4.0 yr.), Embedded Software (2.0 yr.).

Last verified on October, 2025

Core Skills

Expertise in C/C++
4 yr.
Go
Go
3 yr.
GitHub
GitHub
Linux
Linux
Bash
Bash
4 yr.

Bio Summary

A seasoned software engineer with extensive experience in developing, maintaining, and testing systems, particularly with the Open Source SONiC OS at Nokia. Proficient in a wide range of programming languages including Rust, C/C++, Python, TypeScript, Lua, and scripting with Bash. Demonstrated expertise in Linux kernel development, network protocols, containerization with Docker, and CI/CD pipelines using Gitlab. Contributed significant automation improvements through tools like Ansible, Prometheus, and Grafana. Additionally, has a background in service desk support with a focus on Azure and Active Directory, and demonstrates ongoing commitment to professional development as shown by their technical degree from Hive Helsinki, with a strong foundation in algorithms, network programming, and game development.

Technical Skills

Programming LanguagesGo, JavaScript, Python, x86 Assembly
.NET PlatformAzure
Mobile Frameworks and LibrariesLLDB
Data Analysis and Visualization Technologiesk-NN
SecurityWireshark
Cloud Platforms, Services & ComputingAzure
Deployment, CI/CD & AdministrationActive Directory, Ansible, CI/CD
Scripting and Command Line InterfacesBash, PowerShell
QA, Test Automation, SecurityDebugging, Wireshark
Virtualization, Containers and OrchestrationDocker
Methodologies, Paradigms and PatternsFDD, OOP
Third Party Tools / IDEs / SDK / ServicesGDB, Office 365
Version ControlGitHub
PlatformsLCDP
Operating SystemsLinux, Windows
Project Management & AdministrationProject Management
Mail / Network Protocols / Data transfertcpdump, TCP/IP
Other Technical SkillsContainers, eBPF, Unreal Engine

Work Experience

Software Developer, SONiC OS Development

Duration: January 2025 - ONGOING

Summary: Participation in the development and maintenance of an open source router/switch operating system, ensuring hardware-software integration, and creating automation and testing tools.

Responsibilities: Developing and debugging Linux Kernel modules, automating processes, managing traffic, and monitoring systems.

Technologies: Linux, Bash, Docker, Ansible, Gitlab CI/CD, Prometheus, Grafana, network protocols, Rust, C/C++, Python, Typescript, Lua

Service Desk Specialist, Azure System Integration

Duration: February 2020 - August 2023

Summary: Integration of a client's systems from the old exchange to new Azure systems, resolving AD issues, and improving administrative management through automated tools.

Responsibilities: Active Directory and Azure administrative management, solving critical issues and automating processes.

Technologies: Powershell, Azure, Python

Projects:

--FT_IRC

Summary: Development of an IRC server to facilitate real-time messaging, join group channels, and exchange direct messages.

Responsibilities: Programming and implementation of IRC server features.

Technologies: C++

--Minishell

Summary: Creation of a Unix shell resembling bash, focusing on learning shell operations and behaviors.

Responsibilities: Coding a functional Unix shell from scratch.

Technologies: C

--MiniRT

Summary: Building a simple ray tracer to simulate realistic light interactions with virtual objects.

Responsibilities: Developing a ray tracer to generate graphics images.

Technologies: C

--Hexpansion

Duration: January 2024 - Current

Summary: Designing a 3D strategy game as part of a 10-week startup accelerator initiative.

Responsibilities: Game development using advanced graphics and gaming engine.

Technologies: Unreal Engine 5.3

Education

  • Hive Helsinki
  • Technical Degree in coding with a curriculum covering Algorithms, Network Programming, Game Development, Unix Development, Frontend Development, Backend Development.
  • October 2022 - September 2024

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Arrow

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Sharing

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Michail Karatzidis, Software Developer
Ready to hire Michail Karatzidis
or someone with similar Skills?
Looking for Someone Else? Join Upstaff access to All profiles and Individual Match
Start Hiring