Blaze Tustanowski

Rising Codementor

US$25.00

For every 15 mins

First 15 mins free for your first session

ABOUT ME

Senior Software Engineer at Marks and Spencer

A senior web engineer with a passion for architecture and Agile methodologies. Fast thinker and learner with deep understanding of both front- and back-end of web based systems. Strong sense of design and UX, follower of industry standard practices for API development. Certified ISTQB software tester, currently in the process of acquiring the PMI-ACP certificate in Agile project management.

Polish, English

Warsaw (+01:00)

Joined August 2015

EXPERTISE

JavaScript

10 years experience

HTML/CSS

8 years experience

HTML/CSS CSS3 Responsive DesignMedia queriesMixins Semantic Markup

Node.js

8 years experience

jQuery

5 years experience

AJAX jQuery UI jQuery Mobile

AJAX jQuery UI jQuery Mobile Promises

Git

3 years experience

Conflict StashBranching and merging

Angular

6 years experience

RESTful API Form API

RESTful API Form APIServiceModels Directives PromisesNg animate

SEO

6 years experience

Testing Meta tags Keywords

Testing Meta tags Keywords SEO Analysis Semantic Markup Pagerank

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EMPLOYMENTS

Freelance

Self Employed

2015-10-01-Present

ELEMENTS – Codebase conversion from AngularJS to Angular.io, cross-platform desktop app development with Electro...

ELEMENTS – Codebase conversion from AngularJS to Angular.io, cross-platform desktop app development with Electron, graphing library integration, UI/UX, WCAG compliance implementation.

AngularJS, Angular.io, Python, Electron, MariaDB

Crisis: Earth – Multithreaded Instagram scraping, emissions calculation using ML in JS and Python. UI design and implementation, Multivariate testing framework & behaviour tracking.

Typescript, Python, NestJS, MongoDB, Firebase

Dicom – Business and consumer UI for freight management. Payment processing, image processing, rich reporting, CI/CD. Frontend codebase moved from Coffeescript to Javascript to Typescript.

React, GraphQL, AWS, Redis, Memcache

Redwood Logistics – Dock management software using central APIs to sync data from handhelds to third party data stores. Visualisation and processing of product expiry, route estimation and GPS tracking.

Apollo, Typescript, REST, Azure, ExpressJS GraphQL

Johnson & Johnson – Real-time data visualisation, error reporting. Granular access control & chem plant production process configuration UI. Strict code hygiene at 99% test coverage.

React, Mocha, jQuery, AWS Cognito, Docker

DKMS – Architecture and implementation of HIPAA-compliant donor application frontend and backend w/mobile app support, data visualisation, processing, client API integration.

Typescript, PostgreSQL, NodeJS, REST, Jest

WhoYouGot – API and backend development, Graphql development and documentation, performance monitoring, sports event and score tracking, API integrations.

AWS, Rancher, GraphQL, NodeJS

HTML/CSS

Python

SQL

HTML/CSS

Python

SQL

Node.js

PostgreSQL

Redis

TypeScript

React

JavaScript

Jest

GraphQL

Apollo

Next.js

Apollo Client

Express.js

AWS

Lead Software Engineer

Marks & Spencers

2014-12-01-2015-10-01

Continuous development in an Agile environment – prioritisation, backlog management, story estimation.
Business partner r...

Continuous development in an Agile environment – prioritisation, backlog management, story estimation.
Business partner risk evaluation and management, integration coordination with close cooperation with offshore teams and third parties.
Product Owner assistance, stakeholder management, product showcasing.
Leading front-end development of the new International Flagship M&S website.
Code reviews, performance analysis, test reporting, junior developer mentorship.
Requirement and business case analysis prior to integration. Start-to-finish systems integration.
User testing management, A/B Testing, MVT.

HTML/CSS

Node.js

JavaScript

HTML/CSS

Node.js

JavaScript

Test Automation

Agile

AWS

Multivariate Analysis

Senior Web Engineer

First Beat Media

2011-10-01-2014-11-01

Lead development and ownership of the new, mobile website for the company's large scale dating platform.
Test-Driven...

Lead development and ownership of the new, mobile website for the company's large scale dating platform.
Test-Driven PHP Development with focus on high performance through optimised code and distributed MySQL queries.
Template conversion to support content localisation throughout the project.
Markup and code refactoring during codebase migration.
Javascript dependency updates, conflict resolution, continuous refactoring.

HTML/CSS

PHP

SQL

HTML/CSS

PHP

SQL

WebDriver

JavaScript