Alex Rohleder's profile picture


Hey! I'm a Brazilian who is passionate about building high-impact, well-performing user experiences.

I believe that work is a big portion of my day, so I try to make the best out of it for me and my colleagues.

To achieve that I focus on empathy during conversations and try to deliver something I'm happy with.


6 years as full-time and 1 year as intern.

Sportradar - Software Engineer (Senior)

03/2018 - Ongoing · 4 yrs 7 mos
Trondheim, Norway

Sportradar is the world's leading sports data company, have clients like NHL, NBA, FIFA and NASCAR.

  1. Improved DX for micro-frontend teams. One of the achieved results was a reduction of avg. 70% in build times;
  2. Reduced by 87% the number of software vulnerabilities over two teams, either by triage or by development advising;
  3. Resolves performance issues on applications with high level of data updates or high amount of data;
  4. Supports hiring, onboarding and mentoring new employees;

Meta - Software Engineer (Mid-level)

03/2016 - 01/2018 · 1 yrs 10 mos
Recanto Maestro, Brazil

Meta is an international IT outsourcing enterprise, have clients like Sascar, Unimed and O Boticário.

  1. Responsible for deployments of critical applications that would lead to severe impact to business in case of downtimes;
  2. Worked with different development methodologies, such as Scrum and variations, accordingly with clients choice;
  3. Nominated as the technical reference for PHP outsourcing, helped on architecting and kick-starting multiple projects;
  4. Represented the company in conversations with clients, understanding their problems and taking technical decisions to solve them;

There is three working experiences that are not listed.

What sets me apart?

  • I demonstrate strong performance so colleagues can rely upon me.
  • I'm self-motivated with a passion for learning and using front-end technology.
  • I'm a systems thinker who can reason through systems and understand technical tradeoffs.


How confortable I'm with each technology

JavaScript (5+ years)
TypeScript (3+ years)
React (4 years + courses)

Non-exhaustive list of languages, technologies and tools



Click here for a full list trainings and certifications


Based on CEFR language proficiency levels



Micro-Frontend platform

07/2021 - Ongoing · 1 yrs 3 mos
  1. Single page frontend built with TypeScript, React, Import-Maps and Webpack;
  2. Able to load different apps into a single interface and bridge their communication;
  3. There is a huge side of CLI tooling and webpack configuration;
  4. Developer experience is critical, this is the platform to build apps for;

Formula 1 Trading Application

02/2020 - Ongoing · 2 yrs 8 mos
  1. Real-time frontend built with Typescript, React, Redux and Styled-Components;
  2. Handle a lot of live data. The data can receive 5 to 8 updates per second;
  3. There is render throttling for different portions of the screen, performance is important;
  4. Tested using end to end tests, unit tests and static tests;

Cryptocurrency Order Book (Open Source)

  1. Highly performant react app targeted to run on slow devices;
  2. Receives 10+ updates per second, uses throttling based on device performance;
  3. Efficiently uses DOM and CSS to avoid unecessary computations;
  4. Built critical components using test driven development (TDD), used Jest;

Booking Calendar

03/2018 - 02/2020 · 1 yrs 11 mos
  1. Single page frontend built with React, Redux and SCSS;
  2. Handled a lot of data, performance was important;
  3. There is a set of complex filtering with filter composing heuristics;
  4. Fully tested on critical paths with end to end, integration and unit tests;

Airbnb Mobile Authentication Clone (Open Source)

  1. Showcase authentication app in VueJS, TypeScript and Firebase;
  2. Have a extensive documentation with technical detailing;
  3. Implement url access control and handle redirects;
  4. Allows use of social login with Facebook and Google;

Healthcare Insurance Application

03/2016 - 01/2018 · 1 yrs 10 mos
Meta consulting for Unimed
  1. Multi-page app built with Laravel, VueJS and SCSS;
  2. Developers had direct access to stakeholders, the domain was well known by both;
  3. Load performance was critical, many techniques were applied to maintain it;
  4. Search functionalities were highly optimized and allowed rich queries;

Hiring Platform

01/2017 - 07/2017 · 6 mos
Meta consulting for Calçados Beira Rio

A specialized hiring platform built with Laravel, VueJS and SCSS.

Automated Phone Menu System

07/2017 - 01/2018 · 6 mos
Meta consulting for Sascar

Improving the existing automated phone menu system with PHP and Java.

Invoice System Integration to Government Webservices

07/2017 - 01/2018 · 6 mos
Meta consulting for Grupo Greencard

Integrated their invoice system to Brazilian webservices with PHP and SOAP.

Brazilian Government Website

07/2016 - 01/2018 · 1 yrs 6 mos
Meta consulting for Brazilian Government

Responsible for supporting the website and the CRM, used PHP and jQuery.