NMNicolas Markos
@nicolasmarkos
Versatile Lead Software Engineer with over 10 years of experience.
GreeceWhat I'm looking for
I am a versatile Lead Software Engineer with over 10 years of experience in creating efficient and scalable solutions that improve operational performance. My expertise lies in Python, Django, FastAPI, Kubernetes, and AWS, and I have a solid history of optimizing cloud infrastructures. I am self-taught in AI, LLM, RAG, and Agentic AI, and I strongly believe in clean code and SOLID principles.
At Doctorflix GmbH, I spearhead the company’s technology strategy and oversee the transition from a commercial Learning Management System to an open-source OpenEdx platform. I have developed Python APIs on AWS Gateway and Lambdas and integrated third-party services with an event-based architecture. My previous roles at Gencove and Kheiron Medical allowed me to manage AWS infrastructure, develop back-end APIs, and contribute to commercial products that utilize deep learning for medical assessments.
I am committed to continuous learning and embracing new technologies, and I promote teamwork to meet project goals. I am also interested in exploring Go, Rust, and blockchain technologies.
Experience
Work history, roles, and key accomplishments
DGLead Software Engineer
Doctorflix GmbH
Aug 2023 - Present (1 year 10 months)
Leading the technology strategy at Doctorflix, a health-tech and ed-tech startup. Responsible for platform migration to OpenEdx, API development on AWS, and managing AWS infrastructure. Promotes teamwork and continuous learning.
KMSenior Software Developer
Kheiron Medical
Mar 2018 - May 2022 (4 years 2 months)
Worked on scaling systems and deploying Kubernetes clusters. Developed full-stack applications and contributed to products analyzing DICOM files using deep learning.
TLSenior Software Developer
Transport for London
Jun 2015 - Nov 2017 (2 years 5 months)
Contributed to traffic systems development, working on legacy systems and modern web applications. Focused on enhancing system performance for traffic engineers.
AESenior DSP Engineer
Aeroflex/Cobham
May 2011 - Jun 2015 (4 years 1 month)
Implemented embedded C code for the Physical Layer on 4G LTE mobile testing equipment, focusing on performance and reliability.
ITDSP Engineer
Intracom Telecom
Apr 2005 - May 2011 (6 years 1 month)
Developed physical layer code for 4G WiMAX Base Stations, focusing on performance and integration with existing systems.
IDSupport Engineer
Intracom Defense
Aug 2006 - Aug 2006 (0 months)
Assisted in technical support, testing manuals, and learning new technologies as a junior freelancer.
Education
Degrees, certifications, and relevant coursework
UWUniversity of Westminster
MSc, DSP Systems
2000 - 2001
Pursued a Master's degree in DSP Systems, emphasizing digital signal processing techniques and their applications in various technologies.
USUniversity of Surrey
BEng, Electronic & Electrical Engineering
1995 - 2000
Studied Electronic and Electrical Engineering, focusing on the principles of electrical systems, circuit design, and electronic devices.
Tech stack
Software and tools used professionally
Availability
Location
GreeceAuthorized to work in
Social media
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