Oleksandr Tomin

Responsibilities: • Leading and mentoring high-performing engineering teams, including a fully remote team in Romania, driving significant improvements in performance, reliability, and operational efficiency. Growing leaders and providing ongoing coaching. • Managing mission-critical, high-scale services handling tens of billions of transactions daily, serving millions of Windows and Xbox users, ensuring high availability and optimal performance. Achievements: • Reduced operational costs significantly through process improvements, efficient resource allocation, and optimization of cloud infrastructure (Azure, AKS). • Improved live site stability and reduced incident load through investments in monitoring, health models, and Alert enrichment with a commitment to operational excellence. • Drove performance optimizations, achieving up to 7x latency reduction and increased rps for key services, resulting in substantial resource cost savings and enhanced customer experience. • Evangelizing inner sourcing initiatives, fostering collaboration and knowledge sharing across teams and organizations. • Successfully executing on complex business priorities, collaborating effectively with numerous partners and stakeholders, and delivering impactful solutions that aligned with strategic objectives. • Established and refined agile methodologies, improving team velocity and ensuring consistent delivery of high-quality software. Focused on team building and individual growth, creating a culture of continuous improvement and empowering engineers to take on greater responsibilities.

Description: An architect/consultant at Ciklum Interactive Technology helping internal teams and external clients to create an architecture, establish best engineering practices on their projects, choosing optimal technologies in order to achieve top-level quality and meet requirements. Responsibilities: • Estimation and Proposal review • Participation in workshops as technology expert • Quality and performance monitoring, • Establish engineering best practices and tools (continuous integration, quality monitor and delivery) • Solution Architecture Consulting (validate, create, implement Proof of Concept) • Technical supervision. • Project Audit and Consulting Achievements: - Standardized continuous integration and deployment across different projects in .Net outsourcing division - Hired and built a team for a new customer/project and led it - Setup methodology and internal processes - Created an architecture and skeleton for the project solution - Built and maintained a virtual infrastructure to support internal tools and several levels of environments - Established continuous integration and delivery, code quality controls, different levels of automated tests Technologies and tools: .NET 4.5, Asp.Net Web API, Entity Framework, Azure Mobile Services, PowerShell, Jenkins, TeamCity

Responsibilities - Active participation in technology/product vision, roadmap, strategy and scope development; - Software design and development for Cloud and desktop solutions; - Taking part in mitigation of inputs from existing customers (both internal and external) and factoring those inputs into technology/product roadmaps; - Responsible for management of developer team(s) involved into products / projects; - Taking parts in technical meetings with customers; - Taking parts in analytical activities: technical part of proposal, feasibility studies, etc. Achievements: • Designed a high-load Windows Azure application following fail-safe, scalability guidelines, calculating SLA and TPS Technologies and tools: .NET 4.5, Asp.Net MVC, Web API, Entity Framework, Windows Azure (Web and Worker roles, Service Bus, Table and Blob storage, SQL Azure, Redis Cache, SSO, OAuth, Active Directory)

Project: Avid Professional Services Period: from August 2011 Position: Solution Engineer, Product Owner Project Description: Adapting Media Archive Management system for customers (worldwide TV-channels, broadcasting and content provider companies), integrating with third-party systems and customer’s business processes. Responsibilities: 1. Business analysis - working onsite together with customer technical specialists (product consumers) to create solution design fitting business processes; create legal design documentation for customer and developers. Worked with big media broadcasting companies in Sweden, Germany, France, Poland. 2. (originally) Leading development team, consulting with architecture and technologies, establishing methodology and environment tools (task tracking, continuous integration). Creating “proof of concept”, performing complex tasks, doing code reviews, teaching team coding rules, approaches and best practices. Building methodology, changing internal processes company processes (outside of development). 2’. (now) Product owner role (accordingly to Scrum methodology) for an assigned development team. 3. Participating in final deployment; performing presentation of working product onsite to a customer on theirs infrastructure and equipment. Project transmission to support team with respective documentation. Simply speaking, driving projects from the very start (business analysis at pre-sales phase) until project handover to support. Technologies and tools: .NET 4.0, Asp.Net, Web services (wcf, asmx), windows services, Mstest, Gallio, Msbuild, Workflow foundation (for team builds), Silverlight, javascript, xslt, Nlog, VS 2010, TFS 2010, TFS API, Eclipse, Visio, Bizagi, Xpdl, BPMN. Media tools API: AmberFin, Clipster, Carbon Coder transcoders; Diva, FlashNet, StorNext HSM systems, Minnetonka audio tools, XDCam cart, MediaInfo, ExifTool

See position at Avid Technology (customer of GlobalLogic) Achievements: • Established Agile methodology (Scrum) in our organization unit • Set up tools and established everyday approaches to use them (source control, task tracking, electronic dashboard, working on documentation, planning tools, sharing investigation and everyday results, etc) • Created integration tests approach and established continuous integration • Took part in extending Agile approach beyond development, eliminating some detail design documents (created before development phase in waterfall manner) and communication with end customer (i.e. customer of our customer) like continuous design evolution, demonstrate intermediate results and receiving feedback, rather than creating design document disappear for a year and come to the customer with a solution they cannot use. • Tried to introduce best coding practices for developers and code review practice, templates for development documentation. • Introduced swapped plan, to better fit agile methodology to fixed price projects.

Project: Enviance Period: from September 2009 Position: .Net Architect Project Description: Startup project - big distributed application for a specific (environmental) company and its customers. Responsibilities: Participating in designing application architecture (in team of 4-5 architects), research and investigate solutions, technologies and approaches. Technical lead for a 2-3 senior developers. Main responsible areas in application – Security, Services and Communications, Localization; Creating Xaml tool to instantiate entity objects and/or save to DB for test automation. Technologies and tools: .NET 4.0, MVC 2.0, Silverlight 4, VS2010, MSSQL 2008, WCF (low-level, extension points), MS Enterprise Library, IoC/AOP (Unity, MEF), Entity Framework 4, T4, VSIX extensions Security: WS-Trust, WS-Federation, SAML 2.0 protocols, WIF, WCF Security, ADFS 2.0, Custom STS, Single Sign-On, Authentication, Authorization, Claims-Based model, cryptography, X509 certificates;

Creating Sharepoint Connector - component for EpiServer CMS, which allows user to see and manipulate with the sharepoint library from EpiServer CMS’ file explorer and vice versa. In fact there were two modules: addin for CMS, which works with SharePoint Web Services and a solution for sharepoint with EventReceivers (to keep information up to date) and WebParts. (Technologies: .NET, Sharepoint, WCF, Licensing, MS Build)

1. Creating mathematical model for risk management based on catastrophe (bifurcation) theory. 2. Developing distributed well extensible bio oriented modeling system with runtime model creation Develpment tools and technologies: .NET 3.5, WCF, Linq, MSSQL DB, Reflection, Regex, Dynamic compilation, MSBuild, Enterprise library, DevExpress, SyncFusion, TeeChart, MathML, GoDiagram

Migration of internal CRM from VB6 to .net (C#)