Download a PDF

Bartosz Stańkowski

Senior Frontend Developer

Seasoned frontend developer with over a decade-long history of effective collaboration with remote, cross‑functional teams. Using transparent communication, diligence in development and testing, and proactive problem solving to deliver robust, user-centered solutions for the web and mobile platforms.

Experience ranging from pixel-perfect, accessible and responsive design implementations with semantic HTML and clean CSS, through data-rich React and TypeScript apps, to taking over full-stack, managerial, and customer support duties.

Professional Experience

Senior Frontend Developer

Medical device company building a robotic surgery system.

Nov 2021 - Dec 2022
  • Developed and documented new features, bug fixes, and a shared components library for two progressive web apps used by surgical teams.
  • Implemented a complete redesign and a set of performance optimizations in one of the apps.
  • Performed code reviews, participated in testing, planning, and design decisions.
  • Assisted users and colleagues in debugging and solving problems.
  • Researched and proposed solutions, presented accomplished work to other teams and stakeholders.

Tech stack

  • React
  • TypeScript
  • CSS (modules, SCSS, Styled Components, Tailwind)
  • HTML5
  • GraphQL and REST APIs
  • Jest, React Testing Library
  • Redux (RTK)
  • Node.js
  • Webpack
  • Rollup
  • GitLab CI/CD
  • Sumo Logic

Full-Stack Developer

Real-time collaboration tool for online planning sessions and meetings.

Dec 2020 - Jun 2021
Warsaw, Poland

Side-project launched for fun and learning. I was responsible for the entire tech stack and most of planning, design decisions, and testing.

Tech stack

  • React, React DnD
  • TypeScript
  • MobX
  • HTML5
  • SCSS
  • Firebase (Auth, Realtime Database, Firestore, Cloud Functions)
  • Node.js
  • Jest

Lead Developer

Grazer LearningStartup dedicated to developing tools to help tutors and students.

Nov 2016 - Sep 2020
Remote & London, UK
  • Implemented a React Native app for iOS and web browsers, managed distribution on multiple platforms.
  • Collaborated closely with the CEO, actively participated in design and planning.
  • Assessed technical feasibility of business needs and documented them for development.
  • Built demos and prototypes in fast iterations based on feedback from users and peers.
  • Coordinated the work of the team, led weekly scrum meetings.

Tech stack

  • React Native
  • Redux, Redux-Saga
  • JavaScript
  • Flow types
  • XCode
  • Objective-C
  • Crashlytics
  • AWS (EC2, S3, Lambda)
  • Serverless
  • Heroku
  • Docker
  • Ruby on Rails
  • WebSockets

Developer, PM, DevOps, QA, Support

BitbeStartup building a Bitcoin exchange and an online payment system.

May 2015 - Jun 2016
Warsaw, Poland
  • Implemented the entire frontend of customer facing application and web sites, as well as admin and back office systems.
  • Worked closely with a tech lead, backend developer, designers, business and operations teams.
  • Configured and maintained server architecture on AWS, including automated provisioning, monitoring, deployment, logs search and visualisation.
  • Documented the entire technical architecture and implementation details.

Tech stack

  • JavaScript
  • jQuery
  • Require.js
  • HTML5
  • SCSS
  • PHP
  • AWS (EC2, S3, RDS, ELB, SNS)
  • Jenkins
  • SaltStack
  • Elastic Stack
  • Redis
  • Blockchain
  • Mocha
  • Cypress

Lead Frontend Developer

JeemTVFormerly the Al Jazeera Children's Channel.

Oct 2012 - Feb 2014
Remote & London, UK
  • As a member of an agile, multidisciplinary team, I took charge of the entire frontend layer of three mobile-first, responsive systems: dual-language (English and Arabic) audience-facing website, CMS, and Audience Management System, as well as custom-made styleguides for internal use.
  • Created frontend coding standards and documentation for further in-house development.
  • Conducted training sessions with the client’s dev team.

Tech stack

  • SCSS
  • JavaScript, jQuery, Backbone.js
  • Microformats
  • PHP
  • Jenkins

Frontend Developer

Oct 2010 - Dec 2011
Kraków, Poland

Worked on-site and remotely with an international team delivering pixel-perfect, responsive and accessible implementation of designs using semantic XHTML, CSS, and JavaScript. Built a wide range of projects for some of the key clients, and for internal use.

Tech stack

  • JavaScript
  • jQuery
  • Microformats


Bachelor of IT

Katowice Institute of Information Technologies

2006 – 2010
Katowice, Poland

Dissertation: "Project and Implementation of a Rich Internet Application in Adobe AIR"