Constantin Chtanko Email & Phone Number

Tours, Fr

Tours, Centre-Val De Loire, France

As a Software Engineer at ApsideTOP, I have been assigned to MGEN, a supplementary health insurance mutual for civil servants, employees, students, and retirees, where I had previously completed my apprenticeship.Within the IT Department and their outbound communication service, I contribute to the enhancement of communication editing systems.- Development of Java back-end components using Spring Boot and microservices architecture,- Version management with GitLab, ensuring traceability and collaboration,- Unit testing with JUnit5 and Mockito, ensuring reliability and performance,- Quality control with SonarQube, for continuous monitoring and problem detection,- System modeling and documentation with UML, improving understanding and maintenance,- Agile methodology with sprints, refinement sessions, and daily meetings.

Paris

As the founder of Lysero, a company specializing in software development, I have led and completed several innovative projects in web development and blockchain applications.Lysero also had the opportunity to be incubated at CCI 37.In my role, I have contributed to the following initiatives:- Developed card game software, such as Realm Factions, with blockchain integration using Solidity, ViteJs, and Docker. The project is currently in Alpha version,- Created dynamic and high-performance landing pages using Next.js with Tailwind CSS for responsive design, including the company’s website,- Deployed all our solutions on AWS, ensuring a robust and scalable infrastructure,- Collaborated with teams using GitLab for version control.

Tours, Centre-Val De Loire, France

- Building a collaborative work platform using the WorkAdventure solution,- Designing proof of concepts (POCs) for IT department users,- Deploying solutions on internal servers or cloud platforms (AWS, EC2, ElasticBeanStalk),- Database design using Merise and UML methodologies (PostgreSQL, deployed on AWS with RDS),- Development in Java using the Spring Boot framework,- Creating a mobile event management app using the Flutter development kit,- Designing prototypes and UX/UI interfaces with the graphic manipulation tool Figma,- Deploying an administrative interface using React,- Automating Docker container deployment with the Jib plugin.

Tours

- Analyzing user requirements- Designing and developing Java applications using Spring Boot Framework- Helping with the code refactoring using Sonar

Orléans

- Install and configure software on personal computers- Perform regular updates to ensure systems remain safe- Design, build, and maintain a warehouse issue ticketing system in C# code- Code with ASP.NET framework

Paris

- Designing and developing algorithms for massive data extraction- Assess the effectiveness and accuracy of new data sources and data gathering techniques- Creating data architectures

London

- Investigate, classify and prioritise various forms of fraudulent users using tracking systems- Monitor and analyse online users attitudes- Translate game rules in Italian, French and English- Contact American players to investigate about suspicious activities

London

- Providing a luxury and personalised customer service.- Ensuring the customers' orders are processed and delivered correctly.- Making sure the customers has an outstanding and memorable experience.

London

- Cold calling prospective clients (200 calls per day).- Dealing with a customer, closing sales and attaining goals (15 sales per month)

Orléans

- Working as a part of the sales team to develop both new and existing markets.- Dealing with a broad range of private and public clients.- Presenting business strategies and common goals clearly to work colleagues.

Engineering Degree, Computer Science And Electronics, Graduated

Higher National Diploma, Computer Science, Obtenu

Diploma Of Higher Technology, Computer Science

Bachelor Of Commerce - Bcom, Accounting, Finance, Management, Marketing, Obtenu

Baccalauréat Of Sciences, Industrial Technologies - Applied Physics, Mathematics, Mechanics, Obtenu