Oleksandr Lytvyn, Developer in Montreal, QC, Canada
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Oleksandr Lytvyn

Verified Expert  in Engineering

Software Developer

Location
Montreal, QC, Canada
Toptal Member Since
June 10, 2022

Oleksandr is a senior enterprise architect with over 20 years in IT. He is an expert in business capability roadmaps and solution architecture, delivering optimal alignment between diverse business requirements and innovative application solutions. He has 12+ years in architecture and leadership roles and is also an AWS Certified Solutions Architect and Microsoft Certified Professional. Oleksandr won the Pratt & Whitney Leadership Award in 2020 and is a mini-MBA student at McGill University.

Portfolio

Rio Tinto
Amazon Web Services (AWS), Azure, Mobile, SAP, Architecture, Data...
Pratt & Whitney Canada
.NET, Agile, Scrum, Amazon Web Services (AWS), Azure, Architecture, Data, C#...
Morgan Stanley
.NET, SQL, Architecture, Data, ASP.NET, SAP ERP, Software Architecture, jQuery...

Experience

Availability

Full-time

Preferred Environment

Enterprise Architecture, CTO, Solution Architecture

The most amazing...

...thing about me is I've worn almost every hat possible throughout my career. I enjoy architecture roles focused on making things happen and shipping software.

Work Experience

Principal Advisor: Enterprise Architecture (Americas and EMEA)

2022 - PRESENT
Rio Tinto
  • Performed risk assessment for a major platform acquisition.
  • Developed business capabilities roadmaps and Gartner time analysis.
  • Performed multiple solution architecture proposals.
Technologies: Amazon Web Services (AWS), Azure, Mobile, SAP, Architecture, Data, Microsoft Power Apps, SAP ERP, APIs, API Architecture, Data Privacy, Cloud Architecture, Integration, Technical Consulting, Software Implementation, Technical Leadership, SaaS, Artificial Intelligence (AI), Agile Project Management, Microsoft Dynamics 365, Estimations

Solutions Architect

2019 - 2021
Pratt & Whitney Canada
  • Received Pratt & Whitney Leadership Award in 2020.
  • Led multiple projects as Solution Architect and performed code reviews.
  • Introduced automated testing practice for the front end.
Technologies: .NET, Agile, Scrum, Amazon Web Services (AWS), Azure, Architecture, Data, C#, ASP.NET Core, SAP ERP, Software Architecture, CSS, APIs, Microservices, Microsoft SQL Server, Mobile, Object-oriented Programming (OOP), React Native, Docker, Apache Kafka, API Architecture, AWS Lambda, CI/CD Pipelines, API Integration, Full-stack Development, Cloud Platforms, CRM APIs, Private Clouds, Data Privacy, Cloud Architecture, Azure SQL, React, Technical Consulting, Kubernetes, Software Implementation, Technical Leadership, SaaS, Automation, Artificial Intelligence (AI), Agile Project Management, Microsoft Dynamics CRM, Software Design, Azure Active Directory, Technical Architecture, GraphQL, Amazon Cognito, Amazon S3 (AWS S3), Estimations

Senior Software Engineer, Enterprise Technology and Risk

2018 - 2019
Morgan Stanley
  • Designed and implemented monolith decomposition into three services.
  • Introduced automated testing for the back end and front end.
  • Improved response time by using performance profilers.
Technologies: .NET, SQL, Architecture, Data, ASP.NET, SAP ERP, Software Architecture, jQuery, CSS, Visual Studio 2017, ASP.NET MVC, APIs, Microservices, Microsoft SQL Server, Object-oriented Programming (OOP), Full-stack, HTTPS, Full-stack Development, Integration, Technical Consulting, Kubernetes, Software Implementation, Technical Leadership, Delivery Management, Agile Project Management, Dynamics CRM 365, Web Development, Software Design, Cross-platform, Estimations

DevOps Platform Manager, Solutions Architect, and Senior Developer

2011 - 2018
CN
  • Approved solution architecture for all .NET projects with up to 40 developers in the team.
  • Architected and built the first mobile application at CN using Backbone.js and jQuery mobile.
  • Designed and implemented the first big data ingestion pipeline at CN using Apache NiFi and Java.
Technologies: Azure, C#.NET, Angular, Message Queues, Hortonworks Data Platform (HDP), Hadoop, Web API, Java, DevOps, HTML, JavaScript, C#, ASP.NET, ASP.NET Web Forms, SAP ERP, Software Architecture, Bootstrap, jQuery, CSS, ASP.NET MVC, APIs, Microsoft SQL Server, Razor Pages, Mobile, Object-oriented Programming (OOP), Docker, Full-stack, Node.js, HTTPS, Python, VB.NET, CI/CD Pipelines, Event-driven Architecture, API Integration, Full-stack Development, Private Clouds, Data Privacy, Integration, Oracle DBA, MySQL, Kubernetes, Software Implementation, Technical Leadership, SaaS, Automation, Software Development Management, B2B, Engineering Management, People Management, Team Management, Agile Project Management, Microsoft Dynamics CRM, Dynamics CRM 365, R, Google Cloud Platform (GCP), Web Development, Mobile Development, Software Design, Cross-platform, Azure Active Directory, Technical Architecture, Estimations

.NET Developer

2004 - 2010
MedeAnalytics
  • Developed a set of tools for distributed automated application testing, UI-based.
  • Grew to a team lead role and led a team of three developers;
  • Created some developing automated tools that improved team productivity by more than 20% and introduced the development of unit and automated tests.
Technologies: C#.NET, Web Development, SQL Server DBA, SQL, HTML, JavaScript, C#, ASP.NET, ASP.NET Web Forms, Software Architecture, jQuery, CSS, ASP, ASP.NET MVC, eCommerce, APIs, Microsoft SQL Server, Object-oriented Programming (OOP), Full-stack, HTTPS, VB.NET, Full-stack Development, PHP, Software Implementation, Donations, Technical Leadership, SaaS, Automation, Engineering, Agile Project Management, Startups, Health, Technical Architecture, Web Scraping, Scraping, Estimations, HIPAA Compliance

Infrastructure Health Monitoring for Morgan Stanley

A .NET-based web application for infrastructure health monitoring and alerting. I was the back-end developer who defined the application's architecture and implementation. One of the key challenges is transitioning from a monolith codebase into a few decoupled services.

DevOps Platform for CN

An innovation and automation platform for the Software Factory department. As a manager, I established a team to architect and implement a continuous deployment platform. I coordinated the acquisition, integration, and configuration of multiple software tools on the platform.

Fuel Optimization Software for CN

A .NET-based web application automating critical business processes and allowing efficient decision-making around fuel management. As a senior developer, I designed and implemented data integration with Enterprise Service Bus (IBM MQ).

Modern UI Web Application for Pratt & Whitney Canada

A modern UI Web Application on top of legacy Data Sources with multiple integration points. As Solution Architect, I produced High-Level Solution Architecture. I also ensured coding standards corresponded to modern application architecture (DDD model) and introduced the continuous practice of Unit Testing for both the front and back end codebases. In addition, I performed an application code review.

Business Intelligence Solution with Modern UI/UX for Pratt & Whitney Canada

An enterprise business intelligence solution with modern UI/UX. As a solution architect, I defined complete solution architecture (diagrams, NFRs, etc.), identified IT risks and mitigation strategies, and defined application logging and exception handling guidelines. In addition, I performed an application code review (Angular, .NET Core).

Languages

C#.NET, SQL, HTML, JavaScript, C#, CSS, PHP, GraphQL, Java, Python, VB.NET, R

Frameworks

.NET, ASP.NET, ASP.NET Web Forms, ASP, ASP.NET MVC, Angular, ASP.NET Core, Razor Pages, Hadoop, Play Framework, .NET Core, Bootstrap, React Native, Ruby on Rails (RoR)

Tools

Visual Studio, Microsoft Dynamics CRM, Amazon Cognito, Jenkins, Jira, IBM MQ, Microsoft Power Apps

Paradigms

Application Architecture, Design Patterns, Unit Testing, Scrum, Agile, DevOps, Microservices, Object-oriented Programming (OOP), API Architecture, Automation, B2B, Agile Project Management, Event-driven Architecture, Mobile Development, Cross-platform, Web UX Design, HIPAA Compliance

Platforms

Visual Studio 2017, Azure, Amazon Web Services (AWS), Mobile, Docker, AWS Lambda, Kubernetes, Hortonworks Data Platform (HDP), Red Hat OpenShift, Apache Kafka, Google Cloud Platform (GCP)

Storage

Microsoft SQL Server, Azure SQL, Azure Active Directory, Amazon S3 (AWS S3), MySQL, Oracle DBA, SQL Server DBA, SQL Server 2016

Other

Software Development, Back-end Development, Solution Architecture, Web Development, Architecture, Data, Software Architecture, APIs, Full-stack, HTTPS, CI/CD Pipelines, API Integration, Full-stack Development, Cloud Platforms, CRM APIs, Private Clouds, Data Privacy, Cloud Architecture, Integration, Technical Consulting, Software Implementation, Technical Leadership, SaaS, Software Development Management, Engineering, Team Management, Dynamics CRM 365, Software Design, Technical Architecture, Estimations, Enterprise Architecture, Serverless, Cloud Infrastructure, SAP ERP, eCommerce, Delivery Management, Engineering Management, People Management, Microsoft Dynamics 365, Web Scraping, CTO, Scraping, Message Queues, Enterprise Service Bus (ESB), IIS, SAP, IT Systems Architecture, Technical Documentation, Donations, Artificial Intelligence (AI), Startups, Health, Business Strategy, Sales, Negotiation

Libraries/APIs

jQuery, Node.js, React, Web API, Vue

Industry Expertise

Accounting, Marketing

2023 - 2023

Mini-MBA, Cycle 1 - Executive Development Course (EDC) in Business Administration

McGill University - Montreal

1998 - 2004

Master's Degree in Informatics and Applied Mathematics

National Technical University | Kharkiv Polytechnic Institute - Kharkiv, Ukraine

JUNE 2020 - JUNE 2023

AWS Certified Solutions Architect Associate

AWS

NOVEMBER 2013 - NOVEMBER 2014

Certified Scrum Master

Scrum Alliance

DECEMBER 2011 - PRESENT

Web Design Concepts

Brainbench

JUNE 2011 - PRESENT

C# Fundamentals

Brainbench

NOVEMBER 2006 - PRESENT

Microsoft Certified Professional

Microsoft