Senior Frontend Developer

Amaris Consulting; Campinas; On-site; BRL 120,000 - 180,000; Full time

Job summary

A global consulting firm in Brazil is seeking a skilled Senior Frontend Engineer to lead the development of impactful features. This role involves building complex React applications, mentoring junior engineers, and establishing coding standards. The ideal candidate should have a strong background in scaling frontend solutions, excellent English communication skills, and experience in technical leadership. Join us to drive excellence in our sales analytics products.

Qualifications

• Proven track record of delivering scalable, high-performance frontend solutions.
• Strong English skills for technical presentations and documentation.
• Demonstrated leadership in mentoring and driving technical excellence.

Responsibilities

• Architect, build, and optimize complex React applications and reusable component libraries.
• Lead technical design reviews and establish frontend coding standards.
• Collaborate with product, UX, and backend engineers for technical solutions.
• Mentor junior and mid-level engineers through pair programming and code reviews.
• Own release planning, CI/CD pipelines, and maintain test coverage.

Skills

React

English

Technical leadership

Tools

Next.js

GraphQL

AWS Amplify

Job description

Overview

We are looking for an experienced Senior Frontend Engineer to join our team. In this role, you will own the end-to-end development of high-impact features, mentor junior engineers, and drive best practices that ensure our sales analytics products scale with the business.

Responsibilities

• Architect, build, and optimize complex React applications and reusable component libraries
• Lead technical design reviews and establish frontend coding standards across the team
• Collaborate with product, UX, and backend engineers to translate business requirements into robust technical solutions
• Mentor junior and mid-level engineers through pair programming, code reviews, and knowledge-sharing sessions
• Own release planning, CI/CD pipelines, and automated testing strategies to maintain >90 % test coverage

Need to Haves

• Proven track record of delivering scalable, high-performance frontend solutions
• Strong English skills – comfortable presenting technical decisions to stakeholders and writing detailed RFCs
• Demonstrated leadership in driving technical excellence and mentoring teams

Nice to Haves

• Deep domain expertise in sales or revenue analytics (CRM integrations, forecasting dashboards)
• Experience building and governing enterprise-grade design systems or HEX component libraries
• Proficiency with Next.js, GraphQL, and cloud-native deployment (AWS Amplify, Vercel, or similar)