senssei
Rafał Warzycha
Lodz, Poland

Rafał is the Technology Evangelist and an experienced expert software architect and developer specialized in the design and implementation of large, cloud-based applications (frontend and backend) and IoT solutions

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190.7
CodersRank Rank
Top 4%
Based on:
Stackoverflow 21 events
Top 5
ASP.NET
ASP.NET
Developer
Poland
Highest experience points: 0 points,

0 activities in the last year

List your work history, including any contracts or internships
ABB
4 years 11 months
Remote
Technology Evangelist, Principal Software Engineer
Jul 2018 - Jun 2020 (1 year 11 months)
Technology Evangelist – Principal Software Engineer
within the team responsible for bringing Industry IoT solutions to live.

Responsibilities:
• Incorporating the latest technological solutions and best practices in multiple projects in the organization.
• Getting requirements from clients and preparing detailed use-cases.
• Sharing knowledge, experience and good practices in the domains such as:
o Architecture
o Design
o Security
o Scaling and Performance
• Preparing white papers, code samples, demos, proof of concepts and design reviews.
• Actively supporting clients projects (performance, toolset, estimates and tailored training).
• Taking an active part in defining and changing tools, processes and development methods.
• Incorporating modern architecture concepts, solutions, and approaches.
• Proposing and leading various changes in architecture in multiple projects in the organization.
• Taking an active part in prototyping and product definition processes.
• Giving and receiving regular feedback.
• Leading internal and local community of developers
cloud iot architecture azure azure active directory
Senior Software Developer
Jun 2014 - Feb 2015 (8 months)
• frontend development - angular.js, jQuery, HTML5, CSS3, JS
• UI and data presentation - bootstrap, morris.js, SVG
• testing - jasmine, karma, protractor
• cutting edge tech webdevel tools - node.js, bower, grunt, yeoman
• strong and various backend knowledge - .NET (webforms, mvc) - achitect level; Ruby (rails) - basics
c# asp.net javascript architecture
Architect, Senior Software Developer / Designer
Jul 2012 - May 2014 (1 year 10 months)
• Analysis of existing and designing new solutions in the field of scaling and efficiency, users experience (UX).
• Support the development team for refactoring existing code to improve the quality and ease of management of existing application code.
• Complete performance analysis of web-based applications - identifying and removing bottlenecks.
• Prepare scaling solutions and in deep analysis aspects of performance (bottleneck) in the following areas: the analysis of the application code, database queries, file I / O, rendering HTML (DOM) on the browser and requests JS.
• Presentation of information in the field of architecture for managerial staff.
• Design and implementation of solutions: integration of internal and external (including integration with SAP).
• Prepare and conduct classes for students in cooperation with universities (AGH Krakow).
• Prepare and conduct internal training in the field of Quality Assurance (QA).
• Develop a global federation of Web applications for internal ABB. Updating the application to. NET Framework 4.0, the modification and extension of existing functionality.
Cooperation in a large, geographically dispersed multinational team of developers and designers and customers (USA, Russia, etc.).
• Experience of working abroad (2013, 6 weeks - US, Missouri)
c# dotnet javascript
Junior Software Developer/Designer
Nov 2009 - May 2010 (6 months)
Developing business related solutions on Sharepoint platform (MOSS/WSS).

Solutions for quality control (nonconformities cards, scraping procedure, etc.) in factories in Łódź and Aleksandrów Łódzki.
dotnet c# javascript
Transition Technologies PSC Sp. z o.o.
Aug 2017 - Jun 2018 (10 months)
Lodz, Lodz District
Expert Software Engineer - Tech Lead
Organisation responsibilities:

• appointed as a Tech Lead for various projects, PoC and demos,
• preparing and coordinating demo-s, PoC for new clients in wide technology stack,
• designing, preparing, and coordinating internal/external training paths for employees,
• conducting guided self-learning and mentoring for new employees,
• conducting candidate competencies verification during recruitment process,
• conducting internal and external knowledge sharing sessions (brownbag meetings),

Projects responsibilities:

• frontend development in Angular - Angular 4.x, Typescript,
• frontend development in React - React, Redux, saga, immutable.js
• Validate, extend, develop and test existing application.
• Knowledge sharing (internal training),
• Prototyping, proof of concepts,
• Async agile (stand-up, code review)
• Setup build process and automation
cloud react react redux javascript
Fujitsu
Apr 2016 - Jul 2017 (1 year 3 months)
Lodz, Lodz District
Senior Software Developer
Fullstack JavaScript developer (node.js/frontend/electron.js) working on project automation in the IT sector for a client in Germany. The project base on JavaScript and Typescript, Node.js platform (backend) framework angular.js (grunt.js, karma, jasmine) and electron.js engine:

• backend development in TypeScript - node.js, async multiagent architecture
• desktop development in JavaScript - electron.js daskboard system
• frontend development in JavaScript framework - angular.js ~1.x (grunt, karma, jasmine, bower, protractor)
• Validate, extend, develop and test existing application.
• Knowledge sharing (internal training),
• Prototyping, proof of concepts,
• Async agile (stand-up, code review)
• Setup build process and automation
• Experience of working abroad (2016, 2 weeks - Germany)
openstack nodejs javascript react

This section lets you add any degrees or diplomas you have earned.
University of Lodz
Master, Information Technology
Oct 2005 - Nov 2011
Microsoft
Microsoft Certified: Azure Solutions Architect Expert
Feb 2020

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