Cloud Application Architect
2022 - PRESENTAmazon.com- Designed, supported, and developed native cloud applications.
- Migrated an application from on-premise to AWS Cloud, including hybrid use cases.
- Supported customers continuously in their journey to the cloud.
Technologies: Java, Python, Amazon Web Services (AWS)Software Architect
2021 - 2022Finicity- Built ETL pipelines used for processing huge amounts of data.
- Owned several machine learning (ML) based projects that were critical for the company while fixing the project's bugs.
- Mentored junior developers and helped them with their tasks.
Technologies: Python, ETL, Amazon Web Services (AWS), Kubernetes, DockerSenior Software Engineer
2021 - 2021Backblaze- Integrated the team responsible for the lowest level functionality of the cloud storage: file sharding and upload balancing.
- Identified and fixed multiple problems that increased the application's throughput output almost twice.
- Implemented a system to verify configurations across servers.
- Provided production support for the part of the system my team was in charge of.
Technologies: Java, Cassandra, Ansible, PythonLead Software Developer
2020 - 2020Nike- Helped the team with their ongoing tasks as part of my role.
- Designed and implemented several significant tasks.
- Provided production support and helped other developers succeed.
Technologies: Java, Terraform, Spring, Amazon Web Services (AWS)Senior Software Engineer
2019 - 2020JPMorgan Chase- Worked in the merchant services team that is responsible for all incoming transactions.
- Performed many complicated refactoring and migration tasks that successfully went to production.
- Troubleshot and fixed complex problems that affected customers' experience and blocked further development processes.
- Mentored new developers and read them a few lectures about the technologies.
- Organized and led the team in completing a complex project.
Technologies: Java, OSGi, Apache Karaf, Apache Camel, Apache Tomcat, WebLogic, Cryptography, Python, Shell, DevOps, Perl, Oracle, Amazon Web Services (AWS)Senior Software Engineer
2016 - 2018EPAM Systems USA- Worked as an independent consultant on Epam's customers' sites.
- Designed and developed distributed applications that operate under a high load.
- Mentored developers and helped them to learn the technologies we were using.
- Collaborated closely with the leadership team to plan future development activities.
Technologies: Java, Spring, Spring Boot, Oracle, Amazon Web Services (AWS), Google Cloud Platform (GCP), Docker, IBM MQ, RabbitMQ, Selenium, Selenium Grid, PythonSenior Software Engineer
2014 - 2016EPAM Systems UA- Worked as a technical lead on multiple eCommerce projects for a large corporation that was a customer of Epam Systems.
- Designed and helped to develop multiple AEM and Spring-based projects.
- Provided application support for the software we developed.
- Interviewed and mentored new team members starting on the projects I was in charge of.
Technologies: Java, AEM, OSGi, Apache Sling, Apache Jackrabbit, MySQL, Spring, Java 8, Hibernate, JPAStaff Software Engineer
2010 - 2014ISD UA- Led a team of four developers for the last two years working in the company.
- Designed, built, and provided support to software used in NA.
- Interviewed and mentored developers while helping them stay motivated and productive.
- Worked closely with the higher management and architects to plan the scope of the work.
Technologies: Java, JPA 2, Oracle, Hibernate, Java EE, WebLogic, JBoss, Apache Tomcat, Perl, Python, Shell, Documentation, CI/CD Pipelines, Mentorship, Maven, Ant, SQL
Ganna Skirko
Back-end Developer in Saint Petersburg, United States
Member since July 20, 2022
Ganna is a certified AWS solution architect and a seasoned software engineer with over 12 years of professional experience. With deep knowledge across multiple tech stacks and domains, she excels at reverse engineering and solving complex technical challenges. Ganna believes that most things are possible to implement, that it's just a question of time, and she works fast.
Ganna is now available for hire
Portfolio
- Amazon.comJava, Python, Amazon Web Services (AWS)
- FinicityPython, ETL, Amazon Web Services (AWS), Kubernetes, Docker
- BackblazeJava, Cassandra, Ansible, Python
Experience
- Java 12 years
- Spring 8 years
- Shell 7 years
- Python 5 years
- Google Cloud Platform (GCP) 4 years
- Kubernetes 2 years
- ETL 1 year
Availability
Full-time
Preferred Environment
IDEA IDE, PyCharm, WebStorm
The most amazing...
...thing I've realized about software development is its power to solve problems and make this world better.
Employment
Experience
- GCP Redis Web Consolehttps://github.com/skirkyn/redis_client
This project is a web console for Redis set up in the Google Cloud Platform (GCP). The app is serverless, just a Cloud Function with a Go web template. The request goes from the browser to the Cloud Function, which communicates with Redis through the VPC connector.
- HTTPS Proxy Serverhttps://github.com/skirkyn/gliphy-proxy
This project consists of an HTTPS proxy server written in Java. It has an IP address and black listing functionality.
Skills
Languages
Java, SQL, Java 8, Python, Go, PerlFrameworks
Hibernate, JPA, Spring Boot, OSGi, Spring, Selenium, Apache CamelPlatforms
Amazon Web Services (AWS), Oracle, Java EE, Google Cloud Platform (GCP), Docker, Kubernetes, JBossOther
AWS Certified Solution Architect, Enterprise Architecture, Programming, Mentorship, Mathematics, WebLogic, Documentation, CI/CD Pipelines, Ant, AEM, Cryptography, NetworksLibraries/APIs
JPA 2, Selenium Grid, Apache JackrabbitTools
Shell, IBM MQ, RabbitMQ, IDEA IDE, PyCharm, WebStorm, Apache Tomcat, Maven, Apache Sling, Apache Karaf, Terraform, AnsibleParadigms
ETL, DevOpsStorage
MySQL, Redis, Cassandra
Education
- Bachelor's Degree in Informatics and Applied Mathematics2008 - 2012Oles Honchar Dnipro National University - Dnipro, Ukraine
Certifications
- AWS Certified Solutions Architect AssociateSEPTEMBER 2022 - SEPTEMBER 2025AWS
- AWS Certified Cloud PractitionerAUGUST 2022 - AUGUST 2025Amazon Web Services
