Nickolas Constantine
@nickolasconstantine
CTO at Teknik Dental bringing CRM and STM32 furnace-control development in-house.
TurkeyWhat I'm looking for
At Teknik Dental, I own the in-house CRM and the PCB and STM32 firmware for industrial furnace control systems. Bringing development in-house freed the company from external software and PCB providers, and enabled remote firmware updates across the device fleet.
At Bookblock, I owned engineering end to end, migrated the platform to AWS, and built a warehouse management system from scratch. I also expanded it into a dropshipping fulfillment hub, integrating third-party systems with order status feedback.
My work has spanned telecom, mobile, e-commerce, and industrial manufacturing, from building a Java SIP phone client at DBSystems to developing PPC software at PPCEntourage. I’ve managed and mentored engineering teams, made long-term technical decisions, and stayed hands-on. I’m seeking a full-time remote CTO role at a company around 20–400 people, building real solutions with a team that wants a hands-on technical leader.
Experience
Work history, roles, and key accomplishments
CTO
Teknik Dental
Jan 2023 - Present (3 years 9 months)
Owns the full technology function including in-house CRM/software systems and embedded PCB/firmware for furnace control systems. Freed the company from external software and PCB providers and enabled remote firmware updates across the device fleet.
CTO
PPCEntourage
Jan 2022 - Dec 2023 (1 year 11 months)
Helped develop the core software platform and led it through Amazon's security and privacy review to secure official partnership status. Built and maintained high-frequency real-time bidding engines running multimillion-dollar advertising budgets.
CTO
Bookblock
Jan 2018 - Dec 2022 (4 years 11 months)
Owned engineering end to end, often as the sole programmer, across a full-stack, multi-language, multi-database system. Migrated the entire platform to AWS and built the warehouse management system from scratch, integrating UK Post Office, ShipStation, and real-time quantity feedback.
CTO
Kasap Döner
Jan 2016 - Dec 2018 (2 years 11 months)
Set up point-of-sale systems, production tracking, purchasing, and distribution network infrastructure for a food and restaurant brand.
CTO
Cedon Belarus
Jan 2011 - Dec 2016 (5 years 11 months)
Led a mobile app development agency serving European and US clients, growing to ~400 employees. Worked rotationally across teams, mentoring engineers and monitoring delivery flow company-wide.
CTO
DBSystems
Jan 2009 - Dec 2011 (2 years 11 months)
Built custom communication software layered on top of Samsung business telecom systems. Developed an alert system integrated into the phone system, still in production at Sabiha Gökçen Airport, and built a Java SIP internet phone client.
Founder
Iris Interaktif
Founded a software services and hosting company, building e-commerce sites, interactive kiosks, and early 3D multiuser virtual-reality city models. Client work included SAP Turkey's recruitment site and an expat relocation site.
Senior Software Developer
Mediabistro.com
Worked closely with the CTO as de facto technical lead, owning architecture and development end to end. Built and optimized the job board, CV, and headhunting systems, plus online course infrastructure.
Education
Degrees, certifications, and relevant coursework
Istanbul Technical University
Bachelor of Science, Chemistry
Bachelor of Science in Chemistry from Istanbul Technical University.
Availability
Location
TurkeyAuthorized to work in
Salary expectations
Social media
Job categories
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