JAKUB LEŚNIAK

Software Engineer

Profile

About me
JAKUB LEŚNIAK
Developer with 10 years of experience in creating software in various technologies. Focused on picking the right tools & solutions to solve business problems efficiently and in an elegant way. Currently focusing on JavaScript stack with React, Angular & Node.js.

Public profiles

LinkedIn
StackOverflow
Github

Experience

2018 - present Senior Frontend Developer
Prodataconsult/SaxoBank
SaxoBank produces trading platform which through an easy integration process enables other financial institutions to offer it to their clients, creating a win-win situation for both sides. Since technology is very important working at SaxoBank is fast paced and full of challenges. The application is built using React.js, Webpack, Node.js, C#, Flow, Redux.

2017 - 2018 Senior Frontend Developer
KLM Royal Dutch Airline
KLM Royal Dutch Airline is the oldest airline in the world, but working there means being commited to new technologies. Always. We were building an application for passenger self-checkin for KLM airport kiosks. The application was being built using Angular 4 and later 5 with Webpack, Node.js, TypeScript, Karma, Hot-Module-Reload.

2016 - 2017 Senior Full stack Developer
SoftwareONE AG
At SoftwareONE we focused on delivering high quality software that aided people to manage their cloud spend (AWS, Azure). As a software developer I worked with latest Angular and TypeScript (2+), Karma, Bootstrap as well as C#, Microsoft ASP.NET Core and MongoDb. The solution was hosted on Ms Azure.

2013 - 2015 Senior Consultant
Infusion
As Consultant and later Senior Consultant at Infusion I was serving as Tech & Team Lead for the projects that I was working on. My responsibilities included preparing the architecture and stack for the project, working with the team (2-12 people) to ensure smooth delivery and also working with the client to be able to deliver the the real value for them. Among my clients: JP Morgan Chase, ADP, Service Corporation International (largest funeral services company in US) I used to work with Angular 1, Durandal, TypeScript, JavaScript (ES6), Bootrstrap, MongoDb, Node.js, C#, ASP.NET MVC, MsSQL Server, Entity Framework and more.

2007 - 2012 Software Engineer / Web Developer
SoftwareMind, OpylTo, Thalion Technologies, Academic Computer Centre CYFRONET AGH and more
I used to work on multiple projects – mainly web sites during the jQuery era for a number of clients including T-Mobile, Bank Pocztowy (Polish bank), Cracow City (krakow.pl website). Technologies used: HTML, CSS, jQuery, PHP, MySQL, XML, XSLT, ASP.NET MVC

Education

Bachelor of Science
AGH University of Science and Technology
I completed a full masters course of Applied Computer Science (2005-2011). Formally earned B.S. in 2014.

Skills and Expertise

JavaScript (ES6)
React.js
Angular 5
HTML CSS
Node.js