SR Frontend Typescript/React Developer

VAGAS; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Meal/Food Allowance

Health Plan – Unimed

Dental Plan – Uniodonto

Wellhub

Zenklub

Job summary

Zallpy is seeking a senior frontend/backend engineer to join our API Studio team. You will develop and evolve features using TypeScript and React, contribute to a Web IDE built on VS Code, and work with Franca IDL and Franca++ to model APIs and automotive interfaces.

This is a fully remote role in the United States, operating in a modern monorepo with Yarn 2+. You will write tests with Jest/Vitest and Playwright, review code, and help shape architecture, performance, and tooling.

Qualifications

• Proven experience with Franca IDL and web-based development.
• Strong skills in TypeScript and JavaScript at senior level.
• Experience with React and complex web applications.
• Knowledge of monorepo architecture and Yarn 2+.
• Experience with automated testing (Jest, Vitest) and Playwright.
• Git and CI/CD practices, API integration, and English proficiency.

Responsibilities

• Develop and evolve features for the API Studio platform using TypeScript and React.
• Contribute to the Web IDE based on VS Code and related tooling.
• Work with Franca IDL/Franca++ to model and navigate APIs and interfaces.
• Develop and maintain packages, extensions, and visualization components.
• Operate in a monorepo with Yarn 2+ for builds and dependencies.
• Build features for API exploration, querying, and visualization.
• Contribute to modeling, languages, code generation, and developer tooling.
• Create automated tests with Jest or Vitest and Playwright.
• Collaborate on integration between components, backend services, and tools.
• Participate in technical decisions, code reviews, and continuous improvement.

Skills

Franca IDL

TypeScript

React

Monorepo architecture

Yarn 2+

Node.js

Automated testing

Git

APIs

English proficiency

Tools

VS Code

Jest

Vitest

Playwright

Docker

Linux

Job description

At Zallpy, technology is created by curious, collaborative people who care about doing things well. If you enjoy environments where there is room to ask questions, test ideas, learn, and grow together, this opportunity is for you!

At Zallpy, a diverse environment and an inclusive culture are part of who we are. We build a safe and respectful space where different perspectives are welcomed and everyone has the opportunity to grow, contribute, and belong.

We support your development at every stage of your journey.
Come grow with us.

We are looking for someone to join a team that thinks big, works with attention to detail, values partnership in everyday work, and shares responsibility. We believe in autonomy, the exchange of different experiences, and building solutions together.

Here, growing means sharing knowledge, respecting different ways of thinking, and building relationships based on trust while delivering high-quality technology.

If this way of working resonates with you, come join us.

What you will do:

• Develop and evolve features for the API Studio platform using TypeScript and React.
• Contribute to the evolution and customization of a web-based development environment (Web IDE) built on VS Code.
• Work with Franca IDL and Franca++, contributing to features related to the definition, querying, navigation, and visualization of APIs and automotive communication interfaces.
• Develop and maintain packages, extensions, and visualization components integrated into the Web IDE.
• Work within a monorepo architecture, using Yarn 2+ for dependency management and builds.
• Develop features for browsing, querying, exploring, and visualizing APIs and automotive communication interfaces.
• Contribute to solutions involving modeling, programming languages, code generation, and developer tooling.
• Build and maintain automated tests using Jest or Vitest and Playwright.
• Collaborate on the integration between different platform components, backend services, and development tools.
• Participate in technical decisions, code reviews, and continuous improvements related to architecture, performance, and solution quality.

What we are looking for:

• Hands-on experience with Franca IDL.
• Solid experience in software development with TypeScript and JavaScript, at a senior level.
• Hands-on experience with React and complex web application development.
• Knowledge of web application architecture, componentization, and integration between different modules and services.
• Experience with Node.js and its development ecosystem.
• Experience managing dependencies and projects in a monorepo architecture, using Yarn 2+.
• Experience with automated testing, using Jest or Vitest and Playwright.
• Knowledge of Git and software development best practices, including code reviews and continuous integration.
• Experience integrating applications and services through APIs.
• Advanced English, for conversation and interaction with an international client.

Nice to have:

• Experience developing and customizing VS Code extensions, including Extension Host, Webviews, and Monaco Editor.
• Experience developing or maintaining integrated development environments (IDEs), especially web-based solutions.
• Knowledge of Language Server Protocol (LSP) and integration of language services with development environments.
• Experience developing developer tools, code editors, or data visualization platforms.
• Knowledge of GitHub Actions and CI/CD pipelines.
• Experience with visual regression testing and UI test automation.
• Familiarity with Docker and Linux environments.
• Knowledge of automotive communication technologies and protocols, such as AUTOSAR, Franca IDL, SOME/IP, PDU, and ECU.

Where you will work:

• This is a 100% remote position.

Hiring models:

• CLT.
• Cooperative.

Benefits of being a Zallper:

Meal/Food Allowance
Caju multi-benefit card (credit format), offering flexibility for everyday needs. (CLT only) *

Health Plan – Unimed
No waiting period or copayment for the holder. Possibility to include dependents (children, spouse, or stepchildren) with copayment. (CLT only) *

Dental Plan – Uniodonto
Affordable options to include dependents. (CLT only) *

Wellhub
Access to gyms, physical activities, and wellness programs.

Zenklub
For CLT: Two free sessions per month and special rates for additional sessions.
For Cooperative/Contractor: Special rates for sessions.

Life Insurance
More security for you and your family. (CLT only) *

Childcare Allowance
Financial support for Zallpers with children from 4 months to 6 years old, according to internal policy. (CLT only) *

Baby Zallpy
A special gift to celebrate the arrival of new Zallpy babies.

Business Partner Support
Close and human-centered support from our People & Culture team throughout your journey at Zallpy.

Volunteer Internal Communities
Diversity, Sports & Movement, and Technology.

Educational Partnerships
Discounts on undergraduate and graduate programs, professional courses, and language schools.

Experiences & Development
Participation in events, workshops, trips, and team-building activities.

Referral Program
Refer talents to Zallpy and receive bonuses from R$2,500 to R$5,000.

* Contractor / PJ: For these hiring models, the benefits above apply except for those marked with an asterisk (*), which are exclusive to CLT. In addition, we offer dedicated platforms to manage contractors, ensuring organization, transparency, and a structured experience throughout the entire journey.

Job ID: 41540f