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Blaze Tustanowski

Blaze Tustanowski

Mentor
Rising Codementor
US$25.00
For every 15 mins
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First 15 mins free for your first session
ABOUT ME
Senior Software Engineer at Marks and Spencer
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 (+02:00)
Joined August 2015
EXPERTISE
JavaScript
10 years experience
Node.js
8 years experience
Git
3 years experience
ConflictStashBranching and merging
ConflictStashBranching and merging
Angular
6 years experience
RESTful APIFormAPI
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RESTful APIFormAPIServiceModelsDirectivesPromisesNg animate
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REVIEWS FROM CLIENTS

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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
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HTML/CSS
Python
SQL
Node.js
PostgreSQL
Redis
TypeScript
React
JavaScript
Jest
GraphQL
Apollo
Next.js
Apollo Client
Express.js
AWS (Amazon Web Services)
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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
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HTML/CSS
Node.js
JavaScript
Test Automation
Agile
AWS (Amazon Web Services)
Multivariate Analysis
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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
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HTML/CSS
PHP
SQL
WebDriver
JavaScript
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