Hilmi Cihan Yıldırım

I'm

About

Senior Software Engineer with 5+ years of experience in backend development, specializing in .NET, cloud computing, and microservices. Expertise in Entity Framework, PostgreSQL, Azure, and ASP.NET Core. On the side, I share my knowledge as a Udemy instructor, impacting 40,000+ students globally and maintaining a 4.6/5 rating. Eager to apply my technical expertise and leadership skills in driving innovative solutions.

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Software Engineer & Web Developer.

Passionate about building scalable web applications and backend systems. Experienced in developing high-performance APIs, cloud solutions, and modern web technologies. Dedicated to continuous learning and sharing knowledge with the developer community.

  • Degree: Bachelor (Computer Science)
  • Email: se.hilmiyildirim@gmail.com
  • Freelance: Available

With a strong foundation in software engineering principles, I specialize in .NET, cloud computing, and microservices architecture. I enjoy solving complex technical challenges and collaborating with teams to deliver innovative solutions. Whether it's optimizing database performance, setting up CI/CD pipelines, or architecting distributed systems, I bring a problem-solving mindset and a passion for clean, maintainable code.

Years Of experience

Total Students on udemy courses

Skills

Proficient in modern software development technologies, frameworks, and best practices. Experienced in building scalable backend systems, cloud-based solutions, and microservices architectures. Skilled in automation, DevOps, and agile methodologies to deliver high-quality software efficiently.

  • Backend & Cloud Technologies: .NET Core, ASP.NET Core, Entity Framework, PostgreSQL, Azure, Microservices
  • Web Development: HTML, CSS, Razor Pages, MVC
  • DevOps & Automation: GitHub Actions, CI/CD, Docker, Kubernetes
  • Programming Languages: C#, Python, JavaScript
  • Mobile Development: Flutter
  • Messaging & Caching: Redis, RabbitMQ
  • Software Development Practices: Agile, REST APIs, Clean Architecture

Resume

Summary

Hilmi Cihan Yıldırım

Senior Software Engineer with 5+ years of experience in backend de- velopment, specializing in .NET, cloud computing, and microservices. Expertise i Entity Framework, PostgreSQL, Azure, and ASP.NET Core. On the side, I share my knowledge as a Udemy instructor, impacting 30,000+ students globally and maintaining a 4.6/5 rating. Eager to apply my technical expertise and leadership skills in driving innovative solutions.

Education

Bachelor of Science in Computer Engineering

2016 - 2021

Middle East Technical University, Ankara, Turkey

Graduated with honors, coursework included Data Structures, Artificial Intelligence, Algorithms, and Image Processing.


Udemy - Instructor (Side Project)

Jan 2023 - Present
  • Reached and impacted 30,000+ students globally, maintaining a 4.6/5 instructor rating.
  • Created 40+ hours of educational content on topics such as GitHub Actions, Design Patterns, and EF Core.
  • Effectively simplified complex programming concepts in C#, Python, and JavaScript, making them accessible to learners of all levels.

Professional Experience

Back End Developer

Jan 2024 - Present

ARC Europe, Belgium (Contract)

  • Enhanced system performance by optimizing EF Core queries and implementing caching strategies, resulting in 2-3x faster endpoint response times.
  • Automated previously manual tasks through the implementation of background jobs using Hangfire, streamlining operations and improving task execution efficiency.
  • Collaborated with Agile teams to deliver key features in 3-week sprints, contributing to seamless product launches.

Software Engineer

Aug 2022 - Jan 2024

SMG (Service Management Group), USA (Remote, Contractor)

  • Led the development of 10+ microservices using .NET Core 6+, processing 600M+ transactions daily and improving data processing speed by 40%.
  • Cut deployment times by 50% by automating CI/CD pipelines with GitHub Actions and Azure DevOps, streamlining release cycles.
  • Mentored and onboarded two mid-level engineers, fostering team growth and boosting overall productivity.

Full Stack Mobile Developer

Aug 2021 - Aug 2022

StartupHeroes (Gopuff), Istanbul, Turkey

  • Developed backend services using Node.js and mobile applications with Flutter, increasing user engagement by 25%.
  • Integrated push notifications and payment services, enhancing user experience and improving transaction success rates by 15%.
  • Recognized with a 110% salary increase within 10 months due to high-impact contributions to the project’s success.

Back End Developer

Nov 2020 - Aug 2021

Keepnet Labs, London, UK (Remote)

  • Developed high-performance backend systems using .NET Core 3.1, achieving a 35% improvement in API response times.
  • Integrated advanced security solutions (IBM X-Force, Fortinet), significantly enhancing system security and contributing to the acquisition of major banking clients.

Software Engineer Intern

Jul 2020 - Aug 2020

Havelsan, Internship

  • I worked on Lidar project. I implemented bounding box detection algorithms and i used pcl with C++.

Contact

Feel free to contact me or reach out for any inquiries, collaborations, or opportunities.