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Hi, I'm Nick Lekkas, a passionate Computer Scientist specialized in Computer Vision and Computer Graphics. With proficiency in C, C++, Python, and several other programming languages, I enjoy creating AI-driven solutions and working with tools like Unreal Engine to push the boundaries of what's possible in graphics and vision. My strong academic background in Artificial Intelligence, Machine Learning, Data Mining, and Parallel Programming complements my hands-on experience. Throughout my career, I've enjoyed solving challenging problems, leading teams, and delivering impactful projects in VR/AR, medical software, and automation tools. I thrive in collaborative environments and love mentoring others while continuously learning and adapting to new technologies.…Hi, I'm Nick Lekkas, a passionate Computer Scientist specialized in Computer Vision and Computer Graphics. With proficiency in C, C++, Python, and several other programming languages, I enjoy creating AI-driven solutions and working with tools like Unreal Engine to push the boundaries of what's possible in graphics and vision. My strong academic background in Artificial Intelligence, Machine Learning, Data Mining, and Parallel Programming complements my hands-on experience. Throughout my career, I've enjoyed solving challenging problems, leading teams, and delivering impactful projects in VR/AR, medical software, and automation tools. I thrive in collaborative environments and love mentoring others while continuously learning and adapting to new technologies.

Nick Lekkas

Programmer, Developer, Game Developer, +2

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Hi, I'm Nick Lekkas, a passionate Computer Scientist specialized in Computer Vision and Computer Graphics. With proficiency in C, C++, Python, and several other programming languages, I enjoy creating AI-driven solutions and working with tools like Unreal Engine to push the boundaries of what's possible in graphics and vision. My strong academic background in Artificial Intelligence, Machine Learning, Data Mining, and Parallel Programming complements my hands-on experience. Throughout my career, I've enjoyed solving challenging problems, leading teams, and delivering impactful projects in VR/AR, medical software, and automation tools. I thrive in collaborative environments and love mentoring others while continuously learning and adapting to new technologies.…Hi, I'm Nick Lekkas, a passionate Computer Scientist specialized in Computer Vision and Computer Graphics. With proficiency in C, C++, Python, and several other programming languages, I enjoy creating AI-driven solutions and working with tools like Unreal Engine to push the boundaries of what's possible in graphics and vision. My strong academic background in Artificial Intelligence, Machine Learning, Data Mining, and Parallel Programming complements my hands-on experience. Throughout my career, I've enjoyed solving challenging problems, leading teams, and delivering impactful projects in VR/AR, medical software, and automation tools. I thrive in collaborative environments and love mentoring others while continuously learning and adapting to new technologies.

Available to hire

Hi, I’m Nick Lekkas, a passionate Computer Scientist specialized in Computer Vision and Computer Graphics. With proficiency in C, C++, Python, and several other programming languages, I enjoy creating AI-driven solutions and working with tools like Unreal Engine to push the boundaries of what’s possible in graphics and vision. My strong academic background in Artificial Intelligence, Machine Learning, Data Mining, and Parallel Programming complements my hands-on experience.

Throughout my career, I’ve enjoyed solving challenging problems, leading teams, and delivering impactful projects in VR/AR, medical software, and automation tools. I thrive in collaborative environments and love mentoring others while continuously learning and adapting to new technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Greek, Modern

Advanced

German

Intermediate

Work Experience

Senior Software Engineer at AI Medical

April 30, 2025 - July 23, 2025

Designed, developed, and tested advanced medical software for detecting and visualizing brain lesions and tracking patient history through MRI data. Created an intuitive UI with automated patient report generation. Enhanced diagnostic accuracy by leveraging AI to assist doctors. Built and managed a database of brain lesions for statistical analysis and research. Evaluated AI model performance using doctor-validated lesion data. Led and mentored a team of software engineers.

Senior 3D Software Engineer at Meta

August 31, 2024 - July 23, 2025

Developed automation tools for game engines in VR/AR environments using Meta Quest technology. Enabled users to instantiate and manipulate objects in reconstructed 3D environments. Automated passthrough pipeline and validation tests to ensure accuracy. Led automation efforts for Reality Labs QA with cross-platform processes. Collaborated with cross-functional teams to improve tool efficiency and ensure scalable VR/AR solutions.

3D Software Engineer at vrbn studios

February 28, 2024 - July 23, 2025

Designed and implemented computational geometry algorithms for procedural 3D building generation. Developed tools in Houdini, Python, and C++ to manipulate 3D geometries. Created procedural assets for large-scale 3D cities used in games and VFX. Built tools and scripts in Unreal Engine and Unity for automating artist workflows. Developed cross-platform Parallax Occlusion shaders and Nanite-ready city environments using modern Unreal Engine features.

Computer Vision Engineer at Seervision

September 30, 2022 - July 23, 2025

Integrated data from multiple AI models to improve tracking accuracy and real-time decision-making. Developed intuitive computer vision UI features. Enforced unit testing to ensure system reliability. Collaborated on CI/CD pipelines using GitLab. Worked in a collaborative perception team to solve complex tracking challenges and ensure ID consistency in difficult scenarios.

Computer Vision & Machine Learning Engineer at up2metric

October 31, 2021 - July 23, 2025

Led European projects focused on computer vision tasks including object detection, segmentation, and 3D reconstruction. Developed and fine-tuned custom ML models for real-time applications. Delivered solutions optimized for embedded devices such as Nvidia Jetson. Directed robotic ROS systems development for greenhouse automation and wind turbine monitoring. Used Docker and Kubernetes for scalable model deployment and managed continuous model monitoring and retraining.

Software Engineer Intern at Atypon

October 31, 2019 - July 23, 2025

Maintained and upgraded an external library for efficient PDF extraction. Automated development tasks using Bash scripting and unit tests. Developed PDF processing solutions focusing on text extraction, compression, and metadata integration.

Senior Software Engineer at AI Medical, Zurich

April 30, 2025 - July 23, 2025

Designed, developed, and tested advanced medical software for detecting and visualizing brain lesions, as well as tracking patient history through MRI data. Created an intuitive UI with automated patient report generation to streamline workflow for medical professionals. Enhanced diagnostic accuracy leveraging AI to assist doctors in identifying lesions and ensure critical details were not overlooked. Built and managed a brain lesion database for statistical analysis and research. Evaluated AI model performance using real-world, doctor-validated lesion data to improve detection accuracy. Led and mentored a diverse team of software engineers, ensuring high-quality development and innovation.

Senior 3D Software Engineer at Meta, Zurich

August 31, 2024 - July 23, 2025

Developed automation tools for game engines in VR/AR environments enabling raycasting of 2D and 3D objects into reconstructed 3D environments using Meta Quest technology. Automated pass-through pipeline triggering video-based processing to extract bounding boxes and validate accuracy. Led automation efforts for Reality Labs QA, designing and implementing cross-platform testing using ADB and custom tools. Collaborated closely with cross-functional teams to define test strategies, improve tool efficiency, and ensure scalable solutions for VR/AR.

3D Software Engineer at vrbn studios, Zurich

February 28, 2024 - July 23, 2025

Designed and implemented computational geometry algorithms for procedural 3D building generation. Developed tools in Houdini, Python, and C++ to manipulate 3D geometries with semantics for procedural assets used in games, movies, and VFX. Built cross-platform parallax occlusion shaders and infrastructure to port assets into Unreal Engine and Unity for real-time use. Created Nanite-ready city environments with PCG techniques for vast realistic landscapes such as forests to avoid repetitive patterns.

Computer Vision Engineer at Seervision, Zurich

September 30, 2022 - July 23, 2025

Integrated data from multiple AI models to improve tracking accuracy and real-time decisions involving object detection, pose estimation, face detection, segmentation, depth estimation, and location prediction. Developed intuitive camera automation UI features to streamline complex computer vision tasks. Ensured robust system reliability with extensive unit testing and CI/CD integration using GitLab. Collaborated with perception team on complex tracking challenges handling edge cases and maintaining ID consistency in challenging scenarios.

Computer Vision & Machine Learning Engineer at up2metric, Athens

October 31, 2021 - July 23, 2025

Led multiple EU projects in computer vision covering object detection, segmentation, depth estimation, 3D reconstruction, and tracking. Developed and fine-tuned custom ML models for real-time applications, deployed solutions on embedded systems like Nvidia Jetson. Directed robotic ROS system projects including greenhouse automation and wind turbine monitoring managing the entire lifecycle. Utilized Docker and Kubernetes for scalable deployment and implemented continuous monitoring and retraining.

Software Engineer Intern at Atypon, Athens

October 31, 2019 - July 23, 2025

Maintained and upgraded an external PDF extraction library to enhance functionality and compatibility. Automated routine development tasks such as testing and builds using Bash scripts and unit tests. Developed solutions focusing on text extraction, compression, and metadata integration to optimize PDF processing and document storage.