Intellias

The client was an international company with headquarters in Ratingen, Germany. Client is the provider of commercial toll solutions in Europe and also offers services for vehicles at around 33,000 stations and innovative digital solutions. The main goal of the project was to create a Platform on top of Azure and Kubernetes for the 15 engineering teams.


Responsibilities & achievements
Providing extensions with Java and customers support for Keycloak oAuth
Automatization with Python scripts for Azure DevOps pipelines
Automatization of infrastructure using Terraform
Providing new solutions for the Platform and support for engineers from other teams
Provided pipelines for creating and integration of KSQL clusters with Confluent Kafka platform
Maintaining and improvements for Kubernetes clusters


Technology stack used
Java 11, Python 3, Keycloak, Confluent Kafka, Azure, Azure Devops, Kubernetes, Helm, Terraform, PostgreSQL, Kadeck, Grafana Mimir, Keda, KSQL

Senior Platform Engineer

Eptura

Projects: Eptura unified worktech platform

Technologies: Java 11,Confluent Kafka, Azure, Github Actions, Terraform, Kubernetes, Flux, Helm, Argo Workflows, Codefresh, Datadog, PostgreSql

Participation:
Provided architectural solutions and documentation as a member of Engineering Enablement team
Reviewed and improved infrastructure for new platform
Support 3 teams as a DevOps
Built a microservice generator for a new platform on top of Spring Initializr
Clients support and incidents resolution after release of a platform

K&C (Krusche & Company)

Projects: 
Identity and access management, vehicle device command, tenant management systems for Robert Bosch GmbH Mobility Cloud platform (https://bit.ly/39wHI6W)

Java 11,  Python 3, Azure, Terraform, Kubernetes, Helm, Argo(cd, events, workflow), ELK, RabbitMQ, Redis, Netflix OSS, PostgreSql, Serenity, Cucumber

Participation:
Provided architectural solutions and documentation for Mobility Cloud platform services
Administration and managing of Kubertenes cluster and infrastructure services(DevOps role)
Integrated CI/CD and Infrastructure as a Code concepts
Developed GitOps solution for tenant management system
Covered 10+ services with integration tests(QA Automation role)

Senior Java Software Engineer

Softjourn, Inc

Projects:
chromeriver.com(expense reporting and invoice processing)

Technologies: Java 8, Spring Boot, Hibernate, MySQL, ELK, Docker, Hystrix.

Participation:
Discussing system requirement with business and supporting customer needs.
Development.

Senior Java Developer

EPAM Systems

Projects:
Onsite work for EPAM customer in Santa Monica, California, USA.

Technologies: Angular 5, Java 8, Spring Boot, Hibernate, PostgreSQL, Docker.

Participation:
Discussing system requirement with business and supporting customer needs.
Database architecturing and developing.
Development.

Java Developer

JSC UKRCARD

Projects:
1.	Backend for self-service terminals
2.	REST service for Ukrpost Mastercard payments and p2p transfers
Technologies: Angular 2, Spring 4, Java EE(JAX-WS, JMS), Hibernate, JDBC, JSF(Ice Faces), PL/SQL(Oracle),  Postgresql, Tomcat, Weblogic.

Participation: 
     Took part in system design both parts from existing parts and developing from scratch.
Made decisions in system architecture as main developer.
Discussed system requirement with business and supporting customers needs. Refactored legacy parts of the system.

Middle Java Developer

BMS Consulting

Java EE application for https://prozorro.gov.ua procurement system.
Technologies: JSF(PrimeFaces), EJB, JPA(EclipseLink), JasperReports, PostgreSQL(PL/pgSQL).

Junior Java Developer

Freelance

Android Developer

Miroktel

Junior Android Developer

Took part at all stages of software development(architecture, programming, infrastructure, QA). Certified Kubernetes specialist. Have experience with modern software development practices like 12-factor microservices concept, clouds, DevOps, CI/CD, GitOps, Infrastructure as a code, SaaS/PaaS. Experienced is system design, database development. Rich experience in close interaction with business and it's customers.

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