Experience

Bosshard & Partner Unternehmensberatung AG

• Switzerland
• IT Services and IT Consulting
• 1 - 100 Employee

• Cloud Engineer

  • Mar 2021 - Present

  Engineering heterogeneous cloud based systems. Engineering heterogeneous cloud based systems.



IBM

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• System/Software/Site Reliability Engineer

  • May 2018 - Mar 2021

  • Part of the PaaS Engineering team for full scope of client support.• Providing complete support and fixing customer application issues on private could platform (Cloud Foundry and Kubernetes).• Invented, designed, developed and implemented Continuous Testing Platform to proactively monitor and test Middleware (and other) infrastructure components as well as the available services in a continuous and resilient way.• Providing solution for keeping track of the availability and performance of the platforms and domain services provided by PaaS and proactively notify PaaS team (other teams as well) in case of some issues.• Implementing infrastructure as a code design pattern in many solutions andautomate disaster recovery.• Developing new features, testing and releasing to existing internal microservicesfor deployment and configuration framework based on Java (Cloud Foundryplatform) and Python (Kubernetes platform) used by Application teams to deploy the Business Applications.• Design and implement complete CI and CD pipelines for many application projects used by Continuous Testing Platform to gather domain metrics.• Creating and implementing Docker instances to perform metrics gathering for different IT domains.• Design and implement many Java applications to simulate real Business Application use cases for technologies like RabbitMQ, S3, MongoDB, Oracle DB, PostgreSQL, CICS CTG, Redis, DB2, JAX-WS (SOAP), JAX-RS (REST), etc.• Acting as IT Owner of the infrastructure and software used by Continuous Testing Platform.• Implementing security access control based on OAuth and Okta as well as for Azure AD. Show less

• STARNET OLTP Developer / Automation Engineer / DevOps

  • Sep 2013 - May 2018

  • Developing and improving Java test applications (client - server) used to perform regression tests on multidimensional platform(s) setting.• Developing, testing and maintaining custom Java common modules used by many Business Applications.• Providing support, developing and bug fixing HTTP Security as well as EJB connectivity helper service for Business Applications.• Providing complete support in fixing Java Business Applications issues on Private Cloud platforms (Cloud Foundry, Kubernetes, etc.).• Performing and extensively analyzing regression tests executed for days on the Private Cloud platforms (CF, K8S, etc.) to check and maintain platform stability after change or upgrade any of the component(s) in the landscape.• Acting as focal point of reporting and handling support tickets to the IBM vendor software.• Working as Automation Engineer for different teams (Unix, Windows, UC4, etc.) to design new automation procedures, test and implement them in the automation platform based on the Smart Cloud Orchestrator (IBM).• Providing support and testing new releases based on Terraform, Kubespray and Ansible for Private Cloud platform based on Kubernetes.• Providing knowledge transfer and trainings for less experienced colleagues and propagating team spirit. Show less

• Middleware Services (WebSphere) Senior IT Specialist

  • Jul 2011 - Sep 2013

  • Working as Middleware Services Specialist with large scale application infrastructure (3k+) on diverse environments and different application server technologies like WebSphere Application Server, WebSphere Process Server,WebSphere Compute Grid, JBoss, Apache, Tomcat.• Working with diverse systems environment e.g. RedHat, SUSE Linux Enterprise Server, Ubuntu, Solaris, Windows Server, IBM DataPower and IBM Mainframe.• Providing support to Application Teams for solving any IT related issues andWebSphere Application server configuration and administrating on shared, Linux based, platform.• Improving performance and reliability of Egrid platform (2k+ servers) to give more stability in financial long-term calculations highly needed by Business Users.• Installing, upgrading and maintaining WebSphere instances on Windows Servers for custom solution needed by special Business Application with heavy load and need for GPU calculations.• Continuously develop and deliver automation scripts of some repetitive tasks.• Using vast variety of Middleware and Linux server tools, as well as creating some custom tool, e.g. Impact Analyzer.• Providing knowledge transfer, trainings for less experienced colleagues and propagating team spirit. Show less



Media Regionalne Sp. z o.o. ( MECOM Group)

• Advertising Services
• 1 - 100 Employee

• Full Stack developer (PHP/Java), technical specialist

  • Sep 2010 - Jul 2011

  • Continuously developing (PHP/JavaScript/PostgreSQL), improving and reliably keeping running dynamic web portals http://regiodom.pl/ (real estate offers), http://regiomoto.pl/ (automotive offers), http://regiofirma.pl/ (companies' book) and http://regiobazar.pl/ (small advertisements). • Coordinating work and solving problems between subcontractor (coders), hosting company (servers / platform), storage (databases) and the business superiors. • Delivering on time new functionalities for business ideas. • Testing, bug fixing and validating the correctness of code programming standards. • Perform maintenances and applying all changes to production systems. • Integrating with external partners. • Continuously improving the performance of the web portals, administrative back end, Regio Java-Spiders and infrastructure. Show less



TSI Solutions Sp z o.o.

• Wrocław, Woj. Dolnośląskie, Polska

• PHP/CMS developer/designer/team leader

  • Aug 2009 - Sep 2010

  I worked as a web applications developer, tester, debugger and a team leader for one of the projects (4-5 persons). I was working on many smaller projects (travel web) and bigger web applications for searching, reserving and paying for holiday trips. I gained a lot of experience working with foreign colleagues from the Netherlands (not only). I worked as a web applications developer, tester, debugger and a team leader for one of the projects (4-5 persons). I was working on many smaller projects (travel web) and bigger web applications for searching, reserving and paying for holiday trips. I gained a lot of experience working with foreign colleagues from the Netherlands (not only).



Variomatic Media Sp. z o. o.

• Wrocław, Woj. Dolnośląskie, Polska

• PHP/CMS developer/designer

  • Oct 2007 - Aug 2009

  I worked as a web applications developer, tester and debugger on many web pages like http://www.nu.nl, based on the WordPress CMS. I was responsible for fixing minor or major problems and bugs with frontend and backend of the portal. I also created my own custom plugin for generating RSS feeds of the newest articles of every category. I worked as a web applications developer, tester and debugger on many web pages like http://www.nu.nl, based on the WordPress CMS. I was responsible for fixing minor or major problems and bugs with frontend and backend of the portal. I also created my own custom plugin for generating RSS feeds of the newest articles of every category.



Elite Media Sp. z o. o.

• Wrocław, Woj. Dolnośląskie, Polska

• Trainee/programmer/designer

  • Sep 2006 - May 2007

  Designing and coding with usage of PHP/JavaScript/HTML/CSS the Elite Mail system as a marketing tool to speed up and simplify sending email templates to large groups of receivers. Designing and coding with usage of PHP/JavaScript/HTML/CSS the Elite Mail system as a marketing tool to speed up and simplify sending email templates to large groups of receivers.