![Rafael – Angular, JavaScript, Typescript, experts in Lemon.io](https://storage.googleapis.com/crm-lemon-io-bucket-storage/profilePhotos/IMG-20231001-WA0017-33886c5e-fce1-4f82-b9d6-a522f948f8d8.jpg)
Rafael
From Poland (GMT+2)
12 years of commercial experience
Lemon.io stats
1
projects done96
hours workedOpen
to new offersRafael – Angular, JavaScript, Typescript
Rafael is a Senior Front-End Developer with over 10 years of production experience and especially deep expertise in JavaScript. A web enthusiast, he's focused on implementing web apps using the best practices, empowering his skills in performance and testing techniques.
Main technologies
Additional skills
Ready to start
To be verifiedDirect hire
Potentially possibleExperience Highlights
Senior Front-End Developer
One of the top trading platforms for CSGO. The platform offers popular games, such as ROLL, UNBOXING, CASE OPENING, and many more.
- Implemented new features on battles, different battle modes, etc
- Migrated Angular v16 to Angular v17
- Implemented complete features both in front-end and back-end
- Wrote unit tests (isolated, shallow, and integration)
- Took part in the code review process, on this project tech discussions were frequent to keep the best practices and technologies up to date
- Took part in performance tasks to keep up project with high optimization
Senior Front-End Developer
This is a platform that connects fans with their idols through exclusive fan experiences and merchandise sales.
- Implemented features using AI, suggestion, and content creation
- Created frontend architecture from scratch
- Implemented complex UI, using Canvas to process images and apply filters like the Instagram ones
- Implemented modern designs, focusing on mobile first
- Was responsible for the UI, decision-making, and code review of team members.
Senior Front-End Developer
One of the largest US investment companies, managing close to 3 trillion in assets. The goal of the project was to show analysts which providers are eligible for investments.
- Acted as a team leader for the FE, leading teams of 3-4 people
- Mentored back-end developers with front-end technologies
- Was responsible for unit/integration tests
- Took part in the deployment and release processes
- Implemented core functionality that was reused across applications
- Switched between projects to review the quality of the code
Front-End Developer
One of the largest banks in Europe, the goal of this project was to create one web app that allows analysts to see their data around the world in simple charts. This was the project with high-performance demand due to a high amount of data.
- Implemented unit and integration tests on the project
- Configured CI and CD to existing projects
- Conducted tech talks to help developers with frontend technologies
Front-End Developer
This is one of the largest medical laboratories in Brazil.
- Implemented the project from scratch together with the team
- Provided high code quality with 80%+ of unit tests on javascript
- Was responsible for the implementation of the doctors' portal
- Was responsible for the front-end development