Mar 2021 – Apr 2022 · 1 yr 1 mo · Amsterdam, North Holland, Netherlands

• Technology stack: NodeJS, Typescript, React, GCP (Cloudrun, Cloudbuild, Storage, Secret manager), Terraform.
• Working on developing and architecting global rewards application.
• Close collaboration with PO, Designer and dev teams in order to architect and build the global solution.
• Designed and implemented microfrontends real-time javascript integration which currently is being used by multiple teams.
• Taking an active role in organising an internal technical community across the whole company.

Jul 2019 – Mar 2021 · 1 yr 8 mos · Amsterdam, North Holland, Netherlands

• Technology stack: NodeJS, Typescript, React, AWS, Terraform.
• As a Senior Software Developer in the payment team, I am responsible for developing and architecting 3rd party payments integrations.
• Develop Serverless and containerized applications, taking resilience, scalability and redundancy into account, make sure that system can handle heavy load and spikes.
• Close collaboration with PO, Architects, and other teams in order to design new projects.
• Development of the internal frontend project (React) for managing payments.
• Support of all the services from the beginning to the end: design, development, AWS infrastructure using Terraform, CICD pipelines in Drone, SLI/SLO, OnCall.
• Participate in hiring process: interviews.

Jun 2018 – Jul 2019 · 1 yr 1 mo · Amsterdam Area, Netherlands

• Development and maintenance of the self-service (.Net), used internally for managing different resources via API: user-provisioning in multiple systems, azure environments creation via api, DNS records, DHCP zones etc.
• Maintaining internal .Net applications (development, CI/CD pipelines, docker).
• Designed and implemented time-based monitoring system (Prometheus, Consul,
• telegraf) for our infrastructure services.
• Responsible for maintaining Elasticsearch cluster and all data pipelines.
• Redesigned the whole Log-based monitoring and created ECE (Elastic Cloud Enterprise)
• cluster in Azure Cloud using terraform, puppet and python.
• Maintaining internal .Net applications (development, CI/CD pipelines, docker).
• Evaluated and incorporated Application insights monitoring.
• I take active part in migrating existing servers and services from on-premise into Azure
• Cloud.
• Configuration management (puppet) and infrastructure as code (terraform) for Windows
• servers.

Jun 2017 – May 2018 · 11 mos

• As a team leader of the Continuous Delivery distributed team my responsibility is to grow the team members, ensure that team delivers high-quality services.
• Plan the future development of SDLC process together with Product Owners and Architects.
• Ensure that the whole SDLC process is aligned with all local and remote development squads.
• Share that vision with the team members, making sure that all applications can be delivered constantly and securely to customer.
• Giving workshops and knowledge transfer to developers.

Apr 2015 – Jun 2017 · 2 yrs 2 mos

• We've architected and implemented a whole CI/CD process for building and delivering java-based microservices from scratch using a set of cutting-edge technologies: Docker, Docker Swarm, Amazon Services, Ansible, Gocd Server.
• As a part of CI/CD process we setup Docker Cluster which was used by developers for executing tests. Also we created a python-based self service on top of docker swarm cluster, which brings transparency to developers.
• We created a Self Service framework for Developers, QA and others, which is provisioning around 200 ephemeral AWS environments with deployed java applications every day.
• We used Ansible extensively with roles to configure EC2 instances to be able to support multiple set of database/application servers stacks running on different platforms (Linux, Windows): Tomcat, Jboss, Websphere, Mysql, Oracle and others.
• Monitoring of all our services using fluentd, telegraf, influxdb, grafana.
• Maintenance of services: Stash, Artifactory, Checkmarx, Blackduck, Sonar.

Jan 2013 – Jan 2015 · 2 yrs · Kiev Region, Ukraine

• Maintaining web servers (online casino projects based on Liferay), supporting CI/CD process:
• Automation of managing software components, instances and services in Amazon Web Services and Internal Cloud System using puppet modules
• Designing and implementing RPM-based installation process in a growing environment
• Automating deployment process to effortlessly move code from workstations to test, staging and production environments – automated deployment
• Integrating our product with other integrations/services on daily basis
• Resolving all integration-related issues
• Building and maintaining HA web infrastructure
• Analysing data metrics, monitoring systems, performance
• maintained more than 200 application servers in production
• On-call support during non-office hours

Jan 2010 – Jan 2013 · 3 yrs · Donetsk Region, Ukraine

• Manager of software development department:
• System architecting
• Performance and search quality improvements
• Maintaining a production-grade, highly-available services on Amazon Web Services
• DevOps processes and communication improving
• Taking active role in defining the system architecture (migration to AWS and Rackspace)
• IT staff management

Jan 2009 – Jan 2010 · 1 yr · Donetsk Region, Ukraine

• In charge of maintaining the company's fleet of servers with strict high availability and security requirements.
• Managing the servers as well as coming up with new tools and solutions:
• HA Web servers
• DB servers
• VoIP
• Network infrastructure
• AWS
• Working closely with the developers to speed up the workflow from software development to its deployment in the production environment. Extended systems programming with Perl, Python.

Jan 2006 – Jan 2007 · 1 yr · Donetsk Region, Ukraine

• FreeBSD and Linux Servers support and maintenance;
• Network core infrastructure maintenance: Cisco routers and switches, ZYXEL switches, VPN configurations;
• FreeBSD and Linux installations;
• Mail, DNS and web servers configuration;
• Bash and Perl scripting;

Jan 2005 – Jan 2007 · 2 yrs · Donetsk Region, Ukraine

• Windows 2003 and Linux servers infrastructure management
• Windows 2003 and Active Directory configuration
• Network infrastructure, scanners, printers and other devices support
• First-level support troubleshooting