Oracle

Leading team of engineers working on multiple Oracle Cloud Infrastructure (OCI) services:
● Test automation and feature development for Roving Edge Infrastructure solution
● Architecture, design, and implementation of the discovery service for Oracle Cloud Migrations solution
● Architecture, design, and implementation of new features following Organization best practices in Oracle Cloud VMware solutions

Principal Member of Technical Staff (OCI)

TeleSoftas

Core development and  architecture for royalties registrar and shares calculation platform.
● AWS cloud infrastructure architecture and automatisation
● Micro-services dockerization and deployment process re-architecture
● Performance bottlenecks isolation and troubleshooting
● Team guidance on core framework usage and best practices

Responsibilities: Core system support, AWS best practices for best cross-team development performance.
Tools and technologies: AWS (Fargate, StepFunctions, Athena), AWS CDK, AWS EMR, Java, Spring Boot, DynamoDB, REST JSON Web Services.
Continuous Integration: Maven, Docker,  AWS CDK, AWS CodeBuild & CodePipeline, AWS CloudFormation, GitHub.

Technical Lead - Architect

Baltic Amadeus

Digital channels solution development for cross-Baltic's financial institution as one of our customers.
● Green-field solution from tender to cloud deployment
● Micro-services dockerization
● Architecture governance and constant improvement

Responsibilities: Leading target architecture and development effort across multiple development teams.
Tools and technologies: Java, Spring Boot, MySQL, MS SQL Server, REST JSON Web Services.
Continuous Integration: Gradle, Docker, docker-compose, Bamboo, Jenkins, Jenkins pipelines, Bitbucket.

Shift4 Payments Lithuania

POS Systems development and integrations.
● Integration point for external vendors 
● Reports performance improvements
● Design and architecture for external systems integrations module
● Code review and performance/data consistency improvements for applications in Company
ecosystem

Responsibilities: Core system performance improvements, driving refactoring effort in multiple
applications development, design and implementation of new sub-systems.
Tools and technologies: Node JS, Java, MySQL, PostgreSQL, REST JSON Web Services.
Continuous Integration: Gradle, NPM, Github.

Big Data Architect

Devbridge Group

Developing of banking applications.
● New feature development
● New application development

Responsibilities: New feature and applications development based on provided documentation and UI design.
Tools and technologies: Java 8, Spring Boot, Angular JS, React JS, RESTfull WS, IBM WebSphere, Tomcat.
Continuous Integration: Maven, Gradle, Gulp, Webpack, Git.

Java Lead Developer - Architect

Kuoni Global Travel Services

Maintenance and performance improvement for travel planning system used for business-to-business (B2B) interactions. Backend development.
● Optimisation of Oracle queries
● Optimisation of Oracle data model
● Optimisation of logic and overall sub-systems interactions
● New feature development
● Support and troubleshooting

Tools and technologies: Java, Spring, GWT, Hibernate, Oracle DB, Tomcat
Continuous Integration: Maven, Git

Senior Application Developer

Nortal

● Choosing components and tools for successful project completion
● Analyzing and documenting project technical requirements
● Leading the team and making sure that project tasks are done within a given time-frame
● Digital documents (PDF) signing and validation
● Digital signature Long Term Validation (LTV)

Tools and technologies: Java, Spring, GWT, Tapestry 5, MyBatis 3 RDBMS, iText, PDF-LTV, Axis and Apache CXF Web Services (WS), PostgreSQL, Oracle SQL, JBoss application server versions 4.2, 7.1.
Continuous Integration: Maven, Mercurial (Hg), Bamboo

System Architect

Working on the stack of projects for Lithuanian Center of Registers.
● Choosing architecture, design ant tools best fitting project specialties and organizing work in a team
● Software development
● Prototyping
● Requirements analysis
● Creating architecture for IT systems
● Documenting IT systems 

Tools and technologies: Java, Spring, GWT, Tapestry 5, MyBatis, iText, PDF-LTV, Oracle DB, JBoss
Continuous Integration: Maven, Mercurial (Hg), Bamboo

Senior Information Systems Programmer - Architect

Auriga

Main customer is Kiva Systems providing Automated Material Handling Order Fulfillment Systems.

● Designed and implemented changes to applications layer according to new end-customer requirements.
● Designed and implemented Flex front-end application and integrated it with Java back-end.

Tools and technologies: Java, Swing, JDBC, XML, MXML, Action Script, JavaScript, MySQL, Adobe Flex, Adobe Air.

Lead Developer

Tieto

● Leading team of up to 7 developers.
● Responsible for key JEE solutions choice and implementation as lead developer.
● Introduced common Java usage standards in the Company as part of global Java practices team.
● Was responsible for creating distributed, high availability J2EE systems.
● Prepared design documentation and participated in analysis phase.
● Actively participated in tasks planning and monitoring.

Tools and technologies: Java 1.5, Java Enterprise Edition 5 (JEE) multi-layer architecture, Stateless Session Enterprise Java Beans (EJB), Hibernate, Java Server Faces 1.2 (JSF), Container Managed DB Transactions (CMT) with Oracle DB, Web Services (WS), HTML, CSS, AJAX, IBM DB2, BEA Weblogic application server.
Continous Integration: Maven, SVN, Hudson.

Worked on projects for Finnish and Estonian governments. Most interesting/biggest one was Estonian Schengen projects.

Tools and technologies: Java 1.4, J2EE multi-layer architecture, Stateless Session EJB, Struts, HTML, CSS, Hibernate, IBM DB2, BEA Weblogic.
Continous Integration: Maven, SVN, Continuum.

Software Developer

Netman (HP subsidiary)

Support and feature development for Open View Service Activator product and integrating Cramer for Norway Telecom.

Tools and technologies: Java 1.4, Oracle DB.

Programmer

All views are solely my own.

Three steps of successful project completion:
1. Challenge
2. Improve
3. Make it happen

Oracle Certified Master, Java EE 5 Enterprise Architect with vast lead developer experience in all phases of software development starting from architecture and design up to acceptance testing in the client premises.

Specialties: Software/System Architecture, Oracle Cloud, AWS Cloud (Beanstalk, Fargate, Codebuild, Dynamo DB, Elasticsearch, Athena), Microservices; Java, Node.JS, SQL, Spring,  Docker.

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