Android Developer & Flutter Developer & Java Developer

Kandidát je zkušený vývojář, který se již více než 6 let věnuje vývoji backendu v programovacím jazyce Java v komerční praxi. Mezi jeho nejpoužívanější technologie patří Java EE, JMS, Firebase, Spring Boot, Spring Data, Spring Security. Navrhoval také architektury frontendů a backendů. Více než 3 roky programuje mobilní aplikace ve frameworku Flutter. Vedl také tým 4 vývojářů, kteří rovněž programovali v Javě a Flutteru. Při své práci aktivně využívá agilní metodiky, zejména Scrum a Kanban. Nemá problém komunikovat v angličtině a denně ji používá. Preferuje dlouhodobé projekty, které jsou delší než 1 rok. Pracoval především na projektech pro finanční sektor, kde se cítí nejlépe.

Cloud Back End Developer (May 2021 - Current)

• Developed microservices using Java, Vert.x, Docker, Kubernetes, AWS EC2, PostgreSQL, and GraphQL.
• Implemented the circuit breaker pattern and cached data to optimize performance.
• Resolved redundant auto-scaling for improved efficiency.

Technical Lead (Freelance, May 2019 - May 2021)

• Led a team of 4 Flutter/Java developers and a UI/UX designer.
• Designed highly testable and maintainable frontend and backend architectures.
• Implemented a quality gate to enforce code quality standards.
• Successfully delivered two projects.

Software Engineer (February 2019 - August 2019)

• Developed a data-feed software for an integration system.
• Wrote a comprehensive software delivery specification.
• Utilized Java EE, JMS, and Oracle SQL.

Fullstack Developer (Freelance, June 2018 - November 2018)

• Designed and implemented event-driven serverless architecture.
• Developed functionalities for both backend and frontend using Node.js, React Native & Redux, GCP, Firebase, OAuth2, and Elasticsearch.

Java Developer (September 2016 - December 2018)

• Contributed to the development of retail and corporate banking portals.
• Worked on backend services for identity management and open banking API.
• Utilized Java 8, Spring Core, Spring Data, SOAP, Oracle Database, Vaadin Framework, Liferay, Unix shell & Python scripting, Git, SVN, and Maven.

Software Engineer (February 2016 - August 2016)

• Queried and monitored databases with billions of entries.
• Analyzed issues, proposed solutions, and implemented them.
• Worked with Python, Bash, PostgreSQL, Elasticsearch, and MongoDB.

Software Engineer (October 2015 - January 2016)

• Designed and developed an application for automating ads on Facebook.
• Significantly increased company revenue.
• Utilized Python, Pandas, Facebook API, Google Drive API, and Google Maps API.

Co-Founder & Technical Lead (June 2015 - October 2015)

• Co-founded and led a start-up, responsible for various roles including core structuring, design, development, and operation of a web application.
• Managed sales, marketing, customer feedback, and support.
• Successfully acquired over 500 customers within the first three months.

Web Developer (September 2014 - March 2015)

• Maintained a web application and implemented multi-localization and asynchronous communication with the backend.
• Tested functionality and increased code coverage.
• Utilized Ruby on Rails, Python, PyQt, PostgreSQL, and JavaScript.