Witold Muszyński Email & Phone Number

Bangkok Metropolitan Area

- Working on e-commerce solutions involving integrations with Shopify, 3PL systems, and payment gateways- Automating marketing services with an in-house built surveying platform and Facebook API- Proposing architecture and providing system designs- Leading small teamsStack: RoR 7, Hotwire, Vue, StimulusReflex, Rspec

Bangkok Metropolitan Area, Thailand

• Refining clients requirements
• Leading the delivery of key functionalities
• Facilitating software development process
• Maintaining and building new features for mobile operating system allowing to manage customers accounts from subscription, through onboarding, monthly payments to terminationStack: RoR 6.x, React, RSpec, JS, Semantic UI

Warsaw, Masovian District, Poland

• Developing new functionalities for system backend, including but not limited to contracting, invoicing, payments, access control, MS Exchange integration and food orders
• Analyzing new business requirements and transforming them into technical solutions
• Performing R&D work related to utilization of blockchain, AI, IoT, PWAs and other cutting-edge solutionsStack: RoR 5.1, RSpec, REST API, Docker

Warsaw, Masovian District, Poland

• Developing various web services with Rails stack (Rails 5/4.2, JS, jQuery, SCSS, HAML, Slim, PostgreSQL, Elasticsearch, Sidekiq, RSpec, Minitest)
• Extending service allowing to book train passes for Japanese rails with more sophisticated options both for clients and travel agents. Involved online payments, invoicing and state machine implementationStack: RoR, JS.
• Putting the finishing touches to online shop from automotive industry integrated with internal ERP and third-party servicesStack: RoR, Elasticsearch, Sidekiq, Bootstrap, Slim
• Working on enhancing portal, CMS, CRM and booking system for student travel agencyStack: RoR, Sidekiq, Redis, Elasticsearch
• Refactoring (DB, codebase) and developing new features for system assisting in sale representatives training for FMCG giantStack: RoR, CoffeeScript

Warsaw, Masovian District, Poland

• Acting as PM for AML and regulatory applications
• Supporting change management for critical project processes within CitiHandlowy
• Coordination of project office
• Creating reporting tools using VBA/SharePoint/Excel/Access
• Conducting project reviewsAdditionally as below for PMO Analyst occupation

Warszawa, woj. Mazowieckie, Polska

• Project quality assurance
• Developing PM tools, procedures and templates
• Monthly/weekly status reporting

Kraków, woj. Małopolskie, Polska

• Building development strategy for IT Delivery department
• Assisting in managing large ( over 300 IT Vendor staff ), multinational organization focused on delivering IT solutions for Investment Banking and Financial Industry

Kraków, woj. Małopolskie, Polska

• Defining functional requirements
• Project implementation using Android SDK and Google API

Cracow, Lesser Poland District, Poland

• Creating prototype of mobile app for loyalty programs using PhoneGap / jQueryMobile / Javascript / jQuery / SQL
• Proposing / evaluating technical solutions for business ideas

Warsaw, Masovian District, Poland

• Assisting in project scope management
• Enhancing communication tools to improve project management process
• Conducting post-project reviews
• Preparing training presentations according to PMI methodology

Exchange Programme

Summer Institute: Regional Economy And Business Course

Master'S Degree, Project Management

Bachelor'S Degree, Business/Managerial Economics

Engineer'S Degree, Computer Science