Clara1mo ago

Frontend Engineer [Senior] Onboarding (Engenheiro/a Frontend Sênior) - São Paulo (Hybrid)

Brasilsenior

OtherFrontend EngineeringFrontend EngineerFrontend Engineer Onboarding

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Quick Summary

Key Responsibilities

Building high-quality user interfaces using React , JavaScript ,

Technical Tools

OtherFrontend EngineeringFrontend EngineerFrontend Engineer Onboarding

Clara is the fastest-growing company in Latin America. We've built the leading solution for companies to make and manage all their payments. We already help over 20,000 large and growing businesses operate with agility and financial clarity through locally issued corporate cards, bill pay, financing, and a powerful B2B platform built for scale.

Clara is backed by some of the most successful investors in the world, including top regional VCs like monashees, Kaszek, and Canary, and leading global funds like Notable Capital, Coatue, DST Global Partners, ICONIQ Growth, General Catalyst, Citi Ventures, SV Angel, Citius, Endeavor Catalyst, and Goldman Sachs - in addition to dozens of angel investors and local family offices.

We’re building the financial infrastructure that powers high-performing organizations across the region. We invite you to join us if you want to be part of a fast-paced environment that will accelerate your career and support you to do some of the best work of your life alongside a passionate and committed team distributed across the Americas.

Responsibilities

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We’re building a talent pipeline for top-tier Senior Frontend Engineers who are eager to shape the future of user-facing experiences at Clara. If you're passionate about frontend architecture, modern React development, and seamless user interactions—and would like to be considered for future openings—this is the place to start.

As a Senior Frontend Engineer, you’ll design and implement scalable web applications that are fast, secure, and visually consistent. You'll collaborate closely with product managers, designers, and backend engineers to build features that balance technical excellence with business impact.

Your responsibilities will include:

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Building high-quality user interfaces using React, JavaScript, and TypeScript
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Designing reusable frontend components with a strong focus on performance and scalability
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Integrating with RESTful APIs and ensuring seamless backend communication
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Maintaining visual and functional consistency across multiple applications
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Writing tests with tools like Jest, React Testing Library, or Cypress
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Contributing to deployment and automation flows using Rspack, GitHub Actions, and CI/CD pipelines
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Participating in design reviews, code reviews, and mentoring teammates

We’re looking for someone who meets the minimum requirements to be considered for the role. The preferred qualifications are a bonus, not a requirement.

Requirements

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5+ years of experience in frontend development, with a focus on React
Strong proficiency in JavaScript, TypeScript, and component-based architecture
Hands-on experience consuming RESTful APIs and working with testing frameworks
Familiarity with Git, Agile methodologies (Scrum, Kanban), and modern development workflows
Experience ensuring accessibility, responsiveness, and consistent styling across web applications
Ability to mentor junior engineers and support team development
Working proficiency in English
Self-driven, impact-focused, and adaptable to change

Nice to Have

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Experience with Node.js to enhance frontend-backend collaboration
Familiarity with AWS services like Amplify, S3, and CloudFront
Knowledge of Material UI or similar design systems
Understanding of OAuth, OpenAPI, and Swagger
Background in secure or financial web application development
Interest in using AI tools to accelerate UI development and testing

What We Offer

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At Clara, you’ll have the autonomy, speed, and support to make meaningful impact — not just on your team, but on how organizations are run across Latin America.

We’re the leading B2B fintech for spend management in Latin America.
Certified as one of the world's fastest-growing companies, a Great Place to Work, and a LinkedIn Top Startup.
Passionate about making Latin America more prosperous and competitive.
Constantly innovating to build financial infrastructure that enables each of our customers to thrive.
Product-led, high-talent-density culture — designed for builders who raise the bar.
Proud of our open, inclusive, and values-driven environment.

#Clarity. We say things clearly, directly, and proactively.
#Simplicity. We reduce noise to focus on what really matters.
#Ownership. We take responsibility and never wait to be told.
#Pride. We build products and experiences we’re proud of.
#Always Be Changing (ABC). We grow through feedback, risk-taking, and action.
#Inclusivity. Every voice counts. Everyone contributes to our mission.

What We Offer

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✓Competitive salary and stock options (ESOP) from day one

✓Multicultural team with daily exposure to Portuguese, Spanish, and English (our corporate language)

✓Annual learning budget and internal accelerated development paths

✓High-ownership environment: we move fast, learn fast, and raise the bar — together

✓Smart, ambitious teammates — low ego, high impact

✓Flexible vacation and hybrid work model focused on results

Claridians in a hybrid mode split their time between working from the office, talking to or visiting customers, or working from home. This hits a balance between bringing people together for in-person collaboration and learning from each other, while supporting flexibility about how to do this in a way that makes sense for each individual and team.

We don't enforce a minimum number of days for most roles, but you're expected to spend time at the office organically, and be at the office most days during your ramp-up or when required by your leader.