Christian Lehnert

Experienced programmer with a focus on backend development. Committed to continuous learning and staying updated on new IT trends and languages since 2014.

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About Christian Lehnert

Software Developer & CEO | Building Innovative Solutions for Tomorrow

Christian Lehnert is a entrepreneur and software developer based in Germany. With a passion for technology and a drive for innovation, he has established himself as a leading figure in the software industry. As both a skilled developer and visionary CEO, Christian is committed to creating groundbreaking solutions that shape the future of technology.

Get insights on the latest trends and techniques from industry expert Christian Lehnert.

Keep pace with the dynamic realm of backend development, CI/CD pipelines, and other technology trends by staying connected to Christian Lehnert’s insightful blogs and social media updates. Stay informed and stay ahead.

Most Recent Blog Posts

Medium

  • Let the @MappedSuperclass annotation be your guide through this complex jungle.Inheritance in data models often leads to confusion and duplication. But it doesn’t have to be […]
  • Within the domain of object-oriented programming, the Iterator pattern is a crucial design pattern that facilitates the traversal of collections. By effectively separating algorithms from […]

blog.christianlehnert.dev

Latest Social Media Updates and Posts

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Step-by-Step Guide to Installing Llama 3 on Your Local Machine

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Christian Lehnert’s Formula for Success

Unveiling the Metrics Driving Christian Lehnert’s Exceptional Projects and Achievements

Years of Experience

10+

Technical Certifications

30+

Blog Posts

30+

Technologies Mastered

10+

Latest Projects

E-commerce Chatbot

E-commerce Chatbot with Python, GPT, NLP to automate customer
support without humans.

Python, FastApi, Docker, Postgres

Room Booking System

This web application enables employees and participants to view
and book meeting rooms at the Lok-Center. The application in-
cludes features such as selecting a desired meeting room, booking
for a specific time period while considering room availability, dis-
playing existing bookings in a calendar, and managing current
reservations.

Java, Spring Boot, Angular, Microsoft Graph API

AZN – Arbeitszeitnachweis

A Spring Boot application for managing time records. The Time
Records Management app utilizes OAuth 2.0 with Microsoft Login
for authentication.

Java, Spring Boot, Docker, Postgres

Latest Certificates

Java Memory Management

LinkedIn – Apr 2024

Jenkins Essential Training

LinkedIn – Feb 2024

Jenkins Essential Training certificate

Understanding Cloud Fundamentals

LinkedIn – Feb 2024

Understanding cloud fundamentals certificate

Cloud Security Concepts: Services and Compliance

LinkedIn – Jan 2024

Cloud security Concepts: Services abd compliance certificate

Career Essentials in GitHub Professional Certificate

GitHub – Dec 2023

Rest API (Intermediate) Certificate

HackerRank – Nov 2023

Ready to work with Christian Lehnert?

Frequently Asked Questions

Find answers to common questions about Christian Lehnert

Who is Christian Lehnert?

Christian Lehnert is a Software developer and CEO. He was born on March 7, 2000.

What is Christian Lehnert’s background in software development?

Christian Lehnert has a strong background in software development, with expertise in Java, Spring Boot, Docker, and other backend-related tools.

What inspired Christian Lehnert to pursue a career in software development?

Christian Lehnert was inspired to pursue a career in software development at the age of 13 when he began programming. His initial exploration into languages like C and C++ fascinated him, igniting a passion for understanding how systems operate and function. This early experience laid the foundation for his journey into software development, driven by a curiosity to unravel the inner workings of technology.

Can you describe a challenging project Christian Lehnert has worked on and how he overcame obstacles?

One of the most challenging projects I’ve worked on involved building an OAuth 2.0 project with Microsoft Single Sign-On (SSO) for a project integrated with the Cassandra database. At the outset, I lacked prior knowledge of OAuth 2.0 and Apache Cassandra, particularly in conjunction with a custom driver for Spring JPA. This posed significant obstacles as existing open-source solutions didn’t fully address our requirements. Despite these challenges, I tackled the project head-on, diving deep into research and self-learning to grasp the intricacies of OAuth and Cassandra integration. Leveraging my expertise in Spring Boot and Spring Security, I meticulously designed and implemented the solution from scratch, ensuring seamless integration with Microsoft SSO while optimizing performance with Cassandra. Through perseverance, experimentation, and continuous iteration, I successfully overcame these hurdles, delivering a robust and tailored solution that met the project’s specific needs. This experience not only expanded my technical proficiency but also reinforced the importance of adaptability and innovation in overcoming complex challenges in software development.

How does Christian Lehnert stay updated with the latest developments and trends in the software industry?

Christian Lehnert remains abreast of the latest developments and trends in the software industry through a multifaceted approach to learning and staying informed. A key part of this strategy involves regularly delving into authoritative publications such as Manning Publications and O’Reilly Media, where he gains insights into cutting-edge technologies, best practices, and emerging trends. Additionally, he keeps a close eye on reputable online platforms like Entwickler.de, Heise, C’T Magazin, iX – Magazin, and Swiss IT Media, where he engages with articles, analyses, and discussions relevant to his areas of expertise. By leveraging a diverse range of resources spanning both print and digital mediums, Christian ensures he remains well-informed and equipped to adapt to the dynamic landscape of the software industry.

What do you do in your free time?

IIn my spare time, I am expanding my knowledge of Java, DevOps and AI. I also read books on history and philosophy, e.g. by Nietzsche. I also watch soccer from FC St. Gallen or basketball from the Los Angeles Lakers from time to time.

Get in Touch

Whether you have a project in mind or just want to grab a cup of coffee, don’t hesitate to get in touch with me.