Dom Sipowicz

Solutions Architect

2022

React Developer / Front-end Architect

2013

Senior Frontend Developer / Frontend Architect

2018 - 2020

Worked in an Agile environment building the new version of the company's Ecommerce platform. Focused on the frontend development, using React and Redux with server-side rendering using Next.js and consuming RESTful APIs. Application hosted as AWS Lambda functions. Ensured good code quality and test coverage using Jest for unit tests and TestCafe for integration and mocking scenarios running on BrowserStack. CI environment setup with Jenkins. * Created MVP and 18 months later switchover from IBM WebSphere to new serverless platform with React Single Page Application * Introduced “Zero knowledge setup” which allowed new joiners to deliver first work to production on their first day (new Jira ticket -> simple bug/feature -> pair programming -> testing -> release to production) * Designed and later maintained CI/CD pipeline for one click Continuous Deployment across 4 environments (Dev, QA, Preprod, prod) using Jenkins pipeline with 14 stages. * Collaboration with multiple feature teams within London and overseas (Bulgaria and Portugal) Tech Stack: React/Redux, SSR, Flow/TypeScript, Node.js, Docker, AWS, serverless

Front-end Software Developer

2016 - 2017

Frontend Engineer

2016 - 2016

Contract Javascript Developer

2015 - 2016

Developed using Agile approach greenfield case management system for advisers in Citizens Advice Bureus. Frontend build in javascript using AngularJS, Twitter Bootstrap, Node.js. Backend RESTful API using PHP, Laravel, MySQL and ElasticSearch.

Senior Full stack developer Javascript (contract)

2014 - 2015

I was working on enforcement site of new version MOT for garages in UK for DVLA (gov.uk). Our team was constructed mainly with full stack web developers, PHP Developers, javascript developers and technical architect. Infrastructure: Linux, vagrant, grunt, git, git-flow, gitlab, jira, confluence Backend: PHP 5.5, Zend Framework 2, MySQL 5.6, MariaDB, Doctrine 2, ElasticSearch API: REST, TDD: PHPUnit, BDD: Selenium, Fitnesse Frontend: backbone, AJAX, JSON, HTML5

Javascript developer / Full stack developer (contract)

2013 - 2013

SilverDoor is Europe's leading independent serviced apartment agency representing serviced apartments globally. With 13 years' experience, they continuously provide over 100,000 serviced apartments in more than 366 business centres in over 65 countries Techstack and environment: • Linux, PHP 5.5, MySQL 5.1, MariaDB 5.5, SugarCRM CE 6.5 • DevOps: Caching strategy, MySQL Performance, PHP Performance, • Agile, JIRA, Bitbucket, GIT, TDD, PHPUnit, Wiki

Software Developer / Full stack developer (perm)

2012 - 2013

Senior Javascript developer

2006 - 2012