Impactian EToDâ„¢ Developer (2%)
Extraordinary Talent on Demandâ„¢
Sergey
Royz
Full-Stack Developer
Software Developer in Prague, Czech Republic
Java
SQL
PostgresSQL
Jira
Python
Hibernate
JavaScript
Spring MVC
Spring
Git
Android
MongoDB
AngularJS
Spring Security
Oracle
HIRE
Full-Stack Developer
Impactian EToDâ„¢ Developer (2%)
Sergey Royz
Software Developer in Prague, Czech Republic
Java
SQL
PostgresSQL
Jira
Python
Hibernate
JavaScript
Spring MVC
Spring
Git
Android
MongoDB
AngularJS
Spring Security
Oracle
About
Sergey is a software engineer with leadership abilities and a scientific background. He has strong analytical and reasoning skills, and is also experienced in architecting and designing complex solutions as well as working in an international team. He is able to learn new technologies and use them effectively.
Skills
Languages
Java, Python, SQL, JavaScript, HTML5, Bash Script, CSS, Scala
Frameworks
AngularJS, Spring Secruity, Spring MVC, Hibernate , Spring, Play Framework, Django
Libraries/APIs
Node.js, jQuery
Platforms
Andoird, Oracle
Storage
PostgreSQL, MongoDB
Tools
Vim Text Editor, Subversion (SVN), YouTrack, Jira, ClearCase, Git
Experience
Java
9 years
SQL
9 years
Hibernate
5 years
Python
5 years
JavaScript
5 years
Spring MVC
4 years
Spring
4 years
AngularJS
1 year
Highlight Projects
Maneki
Multifaceted online platform for volunteers and organizations that makes volunteering experience fast and efficient
Maneki LT
  • http://maneki.lt/
  • Geo-base volunteer management app, e.i. issue tracker on the map.
  • Allow users to pick a task on the map and assign to self to complete.
  • Real-time integration with a call-center.
Coliver
A platform for searching flatmates to rent an apartment with. Worked on early prototype.
Coliver
  • https://coliver.ru/
  • Backend development (Spring Boot, VueJS, Kubernetes).
  • Chrome plugin development.
Work Experience
CTO, Solution Architect
Maneki LT
|
Mar 2020 - Present
  • Deign and implemented technical solution for web application
  • Developed both the front-end and back-end from scratch
  • Implemented mobile application
  • Integrated application with airtable.com
  • K8s cluster configuration on bare metal


Spring Boot
Kubernetes
Docker
ReactJS
Flutter
Firebase (auth, FCM)
PostgreSQL
Redis
Senior Software Engineer
Toptal
|
May 2019 - Present
  • Implemented RESTful microservices.
  • Designed various components.
  • Wrote technical documentation.
Spring Boot
AWS (IoT, S3, CloudWatch, Cloudformation, SQS)
Playframework
PHP
SSO
PostgreSQL
MySQL
Senior Software Engineer
Omio
|
Sep 2018 - Apr 2019
  • Implemented RESTful microservices.
  • Programmed and integrated applications with 3rd-party providers of tickets.
Spring Boot
SOAP
PostgreSQL
Senior Software Engineer
Cisco
|
Feb 2017 - Jul 2018
  • Redesigned architecture for migration to AWS.
  • Implemented microservices.
Spring Boot
Apache Storm
AWS
PostgreSQL
Software Designer
HewlettPackard
|
Aug 2016 - Dec 2016
  • De-bugged the Operations Analysis project.
  • Performed component dockerization.
  • Developed ChatOps bot.
Spring
Apache Kafka
CoffeeScript
Lead Software Engineer
Instabank
|
Sep 2012 - Aug 2016
  • Designed and developed back-end architecture for upupapp.com.

-      Implemented deposits supported in current product.

-      Implemented functionality for account statement request.

-      Redesigned card order process.

-      Integrated card-to-card payment provider (Arius).

-      Implemented core services on the back-end at the beginning stages of the project.

Java
Spring
PostgreSQL
MongoDB
Tomcat
Hibernate
Python
Django
Play Framework
Scala
Lead Software Engineer
iDaMobile
|
Mar 2011 - Sep 2012
  • Participated in technical negotiations with customers.
  • Designed back-end architecture of mobile banking apps.
  • Developed an Android app for various banks in Russia (Tinkoff Bank, InvestBank, European Union Bank).
  • Programmed the back-end for a mobile banking solution.
J2EE
Spring
Android
Postgres
Python
Lead Software Engineer
NetCracker
|
Feb 2010 - Mar 2011
  • Designed architecture for femtocell device management system.
  • Conducted business analysis and negotiations with a customer (Kuala-Lumpur, Malaysia).
  • Designed and implemented architecture of a Blackberry app for workforce management.


J2EE
J2ME
Oracle
JSP
SOAP WebServices
Software Engineer
Yandex
|
Oct 2009 - Feb 2010
  • Supported integration and deployment (MySQL, ETL).

-      Improved internal analytical tools (J2SE, Swing).

-      Integrated an internal data mining tool into the project (MatrixNet).

J2S2
Swing
MySQL
Software Engineer
NetCracker
|
Sep 2005 - Sep 2009
  • Developed integration with various systems (Web Services, FTP, LDAP).
  • Performed platform customization for customer's needs.
  • Implemented additional modules for OSS solution using the following technologies: J2EE, PL SQL, Web Services, EJB 2.0.
  • Developed Eclipse RCP plug-in for the graphical merge of business processes diagrams (GMF, EMF).
J2EE
Oracle
Web Services
PL/SQL
Education
Moscow Institute of Physics and Technology (State University)
Moscow, Russia
|
Jun 2006 - Jun 2009
Master's degree in Computer and Information Science
Moscow Institute of Physics and Technology (State University)
Moscow, Russia
|
2003 - 2006
Bachelor's Degree in Applied Mathematics and Physics
Certifications
Embedded Systems
2019 - Permanent
EdX
Functional Programming in Principles in Scala
2014 - Permanent
Coursera
Machine Learning, Octave
2011 - Permanent
Stanford University, Coursera
About
Sergey is a software engineer with leadership abilities and a scientific background. He has strong analytical and reasoning skills, and is also experienced in architecting and designing complex solutions as well as working in an international team. He is able to learn new technologies and use them effectively.
Skills
Languages
Java, Python, SQL, JavaScript, HTML5, Bash Script, CSS, Scala
Frameworks
AngularJS, Spring Secruity, Spring MVC, Hibernate , Spring, Play Framework, Django
Libraries/APIs
Node.js, jQuery
Platforms
Andoird, Oracle
Storage
PostgreSQL, MongoDB
Tools
Vim Text Editor, Subversion (SVN), YouTrack, Jira, ClearCase, Git
Experience
Java
9 years
SQL
9 years
Hibernate
5 years
Python
5 years
JavaScript
5 years
Spring MVC
4 years
Spring
4 years
AngularJS
1 year
Highlight Projects
Maneki
Multifaceted online platform for volunteers and organizations that makes volunteering experience fast and efficient
Maneki LT
  • http://maneki.lt/
  • Geo-base volunteer management app, e.i. issue tracker on the map.
  • Allow users to pick a task on the map and assign to self to complete.
  • Real-time integration with a call-center.
Coliver
A platform for searching flatmates to rent an apartment with. Worked on early prototype.
Coliver
  • https://coliver.ru/
  • Backend development (Spring Boot, VueJS, Kubernetes).
  • Chrome plugin development.
Work Experience
CTO, Solution Architect
Maneki LT | Mar 2020 - Present
  • Deign and implemented technical solution for web application
  • Developed both the front-end and back-end from scratch
  • Implemented mobile application
  • Integrated application with airtable.com
  • K8s cluster configuration on bare metal


Spring Boot
Kubernetes
Docker
ReactJS
Flutter
Firebase (auth, FCM)
PostgreSQL
Redis
Senior Software Engineer
Toptal | May 2019 - Present
  • Implemented RESTful microservices.
  • Designed various components.
  • Wrote technical documentation.
Spring Boot
AWS (IoT, S3, CloudWatch, Cloudformation, SQS)
Playframework
PHP
SSO
PostgreSQL
MySQL
Senior Software Engineer
Omio | Sep 2018 - Apr 2019
  • Implemented RESTful microservices.
  • Programmed and integrated applications with 3rd-party providers of tickets.
Spring Boot
SOAP
PostgreSQL
Senior Software Engineer
Cisco | Feb 2017 - Jul 2018
  • Redesigned architecture for migration to AWS.
  • Implemented microservices.
Spring Boot
Apache Storm
AWS
PostgreSQL
Software Designer
HewlettPackard | Aug 2016 - Dec 2016
  • De-bugged the Operations Analysis project.
  • Performed component dockerization.
  • Developed ChatOps bot.
Spring
Apache Kafka
CoffeeScript
Lead Software Engineer
Instabank | Sep 2012 - Aug 2016
  • Designed and developed back-end architecture for upupapp.com.

-      Implemented deposits supported in current product.

-      Implemented functionality for account statement request.

-      Redesigned card order process.

-      Integrated card-to-card payment provider (Arius).

-      Implemented core services on the back-end at the beginning stages of the project.

Java
Spring
PostgreSQL
MongoDB
Tomcat
Hibernate
Python
Django
Play Framework
Scala
Lead Software Engineer
iDaMobile | Mar 2011 - Sep 2012
  • Participated in technical negotiations with customers.
  • Designed back-end architecture of mobile banking apps.
  • Developed an Android app for various banks in Russia (Tinkoff Bank, InvestBank, European Union Bank).
  • Programmed the back-end for a mobile banking solution.
J2EE
Spring
Android
Postgres
Python
Lead Software Engineer
NetCracker | Feb 2010 - Mar 2011
  • Designed architecture for femtocell device management system.
  • Conducted business analysis and negotiations with a customer (Kuala-Lumpur, Malaysia).
  • Designed and implemented architecture of a Blackberry app for workforce management.


J2EE
J2ME
Oracle
JSP
SOAP WebServices
Software Engineer
Yandex | Oct 2009 - Feb 2010
  • Supported integration and deployment (MySQL, ETL).

-      Improved internal analytical tools (J2SE, Swing).

-      Integrated an internal data mining tool into the project (MatrixNet).

J2S2
Swing
MySQL
Software Engineer
NetCracker | Sep 2005 - Sep 2009
  • Developed integration with various systems (Web Services, FTP, LDAP).
  • Performed platform customization for customer's needs.
  • Implemented additional modules for OSS solution using the following technologies: J2EE, PL SQL, Web Services, EJB 2.0.
  • Developed Eclipse RCP plug-in for the graphical merge of business processes diagrams (GMF, EMF).
J2EE
Oracle
Web Services
PL/SQL
Education
Moscow Institute of Physics and Technology (State University)
Moscow, Russia | Jun 2006 - Jun 2009
Master's degree in Computer and Information Science
Moscow Institute of Physics and Technology (State University)
Moscow, Russia | 2003 - 2006
Bachelor's Degree in Applied Mathematics and Physics
Certifications
Embedded Systems
2019 - Permanent
EdX
Functional Programming in Principles in Scala
2014 - Permanent
Coursera
Machine Learning, Octave
2011 - Permanent
Stanford University, Coursera