Java Developer

Senior softwarový inženýr s desetiletou praxí, z toho pět let se specializací na webové a podnikové aplikace v jazyce Java. V současné době pracuje na interním projektu. Má zkušenosti s celou řadou technologií a nástrojů, včetně Spring Boot , Jenkins, Artifactory, Nexus, Docker, Oracle/MSSQL RDBMS, Redis, Kotlin, Zookeeper, Kafka a RabbitMQ. Jeho zkušenosti zahrnují také přímou práci s klienty přímo na místě jako implementační a systémový inženýr. Má také zkušenosti s Maverem, Dockerem, AWS, cloudem, Kubernetes, CI/CD. Pracoval s unitárním testovacím frameworkem JUnit a Mockito. Má také zkušenosti s nástroji pro nasazení, jako je Ansible. Ve svém předchozím zaměstnání byl zodpovědný za prostředí založená na Linuxu. Pro skriptování používal Python ad Bash. Mentoroval a školil nové kolegy na různých projektech. Hovoří plynně anglicky a jeho mateřským jazykem je ruština.

Sep-2021 - Jan-2023 - Senior developer

Responsibilities:

• Developed and tested business requirements and integrated with external clients via HTTP/S and Amazon SQS queue.
• Introduced several best practices including automated tests, integration tests, CICD pipeline, code coverage, code convention, and code review practices.
• Conducted task decomposition, estimations, and distributed work among teammates while monitoring project timelines to ensure timely completion.
• Provided consultation on recommended development practices and tools usage.
• Mentored and trained newcomers to ensure their success.

Oct-2020 - Aug-2021 - Key developer

Responsibilities:

• Researched existing jobs and prepared scripts for migration from outdated Solaris env to modern Linux OS.
• Configured Autosys jobs and performed Java, SQL, bash scripts, Perl scripts troubleshooting.
• Troubleshot different services (Autosys, RDBMS, UNIX related).
• Implemented installation/migration/deployment scripts/packages.
• Mentored and shared knowledge with other team members.
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Jun-2020 - Sep-2020 - Software engineer

Responsibilities:

• Developed and adjusted features.
• Collaborated with QA members, code review, and troubleshooting and escalation of production issues.
• Utilized Oracle, zookeeper, Idea, maven, junit, mockito, Pl/Sql developer, Zookeeper cli, bashutils;, Kotlin, java, RDBMS, REST, message queues.

Sep-2017 - Jun-2020 - Deploy engineer, backend developer

Responsibilities:

• Developed and operated environment troubleshooting.
• Resolved issues, ownership, contacting other departments, and all kinds of automation.
• Developed integration layer through (RESTapi, databases) and business features.
• Onboarded and mentored newcomers and maintained/refactored legacy solutions.
• Utilized Oracle, redis, MSSQL, Idea IDE, Pl/SQL Studio, Excel, Python, Ansible, maven, gradle, Java 8-11, Websockets, spring core, spring boot, spring mvc, Docker, nodejs.

Aug-2016 - Sep-2017 - Software developer

Responsibilities:

• Developed and operated operations, automation, and CI environment creation.
• Onboarded and mentored junior colleagues and performed PL/SQL refactoring.
• Consulted other devs/QA.
• Utilized Oracle RDBMS, Oracle pl/sql developer, python, pycharm, ansible, RDBMS, infrastructure as code, cicd pipelines

Jul-2013 - Jun-2016 - Developer, engineer