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Hi there!

I am Janusz Mordarski

Hire ME

I'm a software consultant, architect and developer living in Cracow, Poland.

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MY PROFESSIONAL EXPERIENCE

I build applications for business with Ruby on Rails, React JS/Javascript, Python and Go.

I'm an internet applications architect and software craftsman with more than 10 years of professional experience. I have the proven track record in building high quality, maintainable products from prototyping to go-live. I worked with German and American partners before throwing hat in the ring. I'm a certified Scrum Master and Product Owner, a driven person always focused on maximising the business value of the client's product.


VISIT MY PROFILE ON LINKEDIN

Ruby

I have over a decade of experience in building internet applications for business. I specialize in Ruby on Rails but I also launched several PHP or Python projects. I use Ember.js or React.js for front-end.

REST APIs and MICRO-SERVICES

I'm experienced in building server-side, event-driven business processes. Whether it's a data collecting, reporting and analysis platform or a REST API consumed by a front-end or mobile apps.

DevOps

I have a strong background in UNIX systems administration. Ten years of experience in high performance cluster administration, building cloud solutions and systems orchestration.

IT Consulting

I have experience in leading lean, agile teams focusing on the essence of the product. I assist my clients on each step of the product development, from the idea to Go-Live!

NEED A DEVELOPMENT TEAM?

Hire a TEAM

I cooperate with UX designer, front-end and back-end developer - I can quickly organize a professional development team with the desired skill set.

We build apps that are robust and manageable. We stay on top of current tech industry trends, choose best-in class solutions. Our work is feedback driven and allows you to take pivotal turns rapidly when the market needs change.


Portfolio

Xing

CLIENT:

Largest business network in German-speaking countries

ROLE IN THE PROJECT:

Senior software engineer

PROJECT TECHNOLOGY STACK:

Ruby on Rails, AMQP, StatsD

RESPONSIBILITIES:

Developing push notification systems (APNS/WNS/GCM) and APIs for mobile infrastructure that serves millions of active users. Solving large-scale problems, improving legacy code.

Livestock management

CLIENT:

Livestock management US-based client

ROLE IN THE PROJECT:

Technical Lead / Developer / Scrum Master

PROJECT TECHNOLOGY STACK:

Ruby on Rails, React.js

RESPONSIBILITIES:

Rapid prototyping and building the application from the ground up (full-stack + devops). Organizing the project process, team, and defining the technology stack.

lady with laser

CLIENT:

Beauty and Personal Care Industry US based client

ROLE IN THE PROJECT:

Ruby on Rails developer

PROJECT TECHNOLOGY STACK:

Ruby on Rails

RESPONSIBILITIES:

Developing the code, analyzing data and client's requrements.

sheetpile

CLIENT:

Steel Industry US based client

ROLE IN THE PROJECT:

Lead Ruby on Rails developer / Team Lead

PROJECT TECHNOLOGY STACK:

Ruby on Rails

RESPONSIBILITIES:

Leading a team of developers, consult the client about the technology solution, developing functionalities of client's internal system.

real estate

CLIENT:

Real Estate US based client

ROLE IN THE PROJECT:

Ruby on Rails developer / IT consultant

PROJECT TECHNOLOGY STACK:

Ruby on Rails / Python / Go / Javascript

RESPONSIBILITIES:

Back-end development, advising the client on technology and business logic solutions. Detailed monitoring and reporting ("To measure is to know").

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