main.dart

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01 class SaulRamirez extends Developer {

02 final String name = 'Saul Ramirez Islas';

03 final String role = 'Full-Stack Developer Dart / JS';

04 final int experienceYears = 14;

05 final int startedCoding = 17;

06

07 final List<String> specializations = [

08 'Cross-platform mobile applications',

09 'Web applications',

10 'Flutter development',

11 'React Native',

12 ];

13

14 final List<String> experience = [

15 'RER Energy',

16 'Headspace Health',

17 'Slot Player Life',

18 ];

19

20 final List<String> strengths = [

21 'Agile environments',

22 'CI/CD',

23 'Team mentoring',

24 'Scalable solutions',

25 ];

26

27 @override

28 Widget build(BuildContext context) {

29 return Column(

30 children: [

31 Text(name,

32 style: Theme.of(context).textTheme.headline1,

33 ),

34 Text(

35 'Full-Stack Developer with $experienceYears years of experience—'

36 'started coding at age $startedCoding',

37 style: Theme.of(context).textTheme.subtitle1,

38 ),

39 ],

40 );

41 }

42 }

Latest projects View my work

Saul Ramirez Islas

Full-Stack Developer with nearly 14 years of experience—starting at age 17—specializing in cross-platform mobile and web applications using Flutter and React Native. With extensive full-time experience as well as strategic consulting and contractor roles, I have led projects at RER Energy, Headspace Health, Babumga, and others. I excel in agile environments, continuous integration/delivery, and mentoring teams to build scalable, high-quality solutions.

Main Stack:

Skills:

Contact me View projects

Languages

Swift

Dart

Javascript

Typescript

Solidity

Frameworks & Platforms

Flutter

React

Angular

Nestjs

Databases & Tools

Mongodb

Mysql

Postgresql

Supabase

Github

Redux

Work Experience

I've had the opportunity to work with amazing companies and teams, contributing to innovative projects and solutions.

May 2020 – Present Masaryk

Senior Mobile Engineer at RER Energy

Primarily utilized Flutter and React Native to deploy applications across Android, iOS, Linux and soon-to-be web platforms.
Developed backend services with NestJS in TypeScript, integrated MongoDB databases, and maintained a custom data manager (in JavaScript) to manage Modbus protocol connections.
Implemented an instance of "Aspiral" using React Native on Android devices for data management, with tests underway to expand to web deployment.
Employed agile methodologies using Slack, Jira, Asana, and Confluence to ensure efficient project delivery.
Reduced project deployment time from 4-5 months to under 1 month.
Transitioned state management from BLoC to Riverpod for improved maintainability.
Integrated OpenAI API for automated report generation and enhanced decision-making.

Oct 2022 – Feb 2024 Santa Monica, USA

Senior Mobile Developer at Headspace Health

Developed and implemented an In-App Scheduler that increased user appointments by approximately 50% by enabling scheduling and sending SMS/email reminders.
Assisted in integrating native modules into the Headspace app to boost performance and enrich user experience.
Worked extensively with Flutter, React, and React Native; implemented REST API integrations using Django.
Utilized Amplitude for analytics and Sentry for error management.

Nov 2024 – Mar 2025 Remote

Consultant at Slot Player Life

Provided strategic consulting for a startup developing an application for slot game enthusiasts.
Guided product development, technology selection, and foundational architecture to ensure scalability for the development team.

Feb 2017 – Oct 2022 Remote

Software Developer at Babumga

Delivered various web and mobile solutions on a project basis while concurrently holding a full-time role with Grupo CONAMAT.
Utilized MERN/MEAN stacks to build custom applications tailored to diverse business needs.