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Desenvolvedor Front End jobs in Brazil
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Senior Frontend Developer
Titan Clarity
Taboão da Serra
On-site
BRL 120,000 - 160,000
Today
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Senior Frontend Developer
Titan Clarity
Jaboatão dos Guararapes
On-site
BRL 120,000 - 160,000
Today
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Discover more opportunities than anywhere else. Find more jobs nowFrontend Developer Para Rio Grande Do Norte
Natoora
Brazil
On-site
BRL 120,000 - 160,000
2 days ago
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Senior Frontend Developer
Titan Clarity
Macapá
On-site
BRL 120,000 - 160,000
2 days ago
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Brazil - Remote: Front-end Developer
Halliburton
Belém
Remote
BRL 120,000 - 160,000
2 days ago
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Connect with headhunters to apply for similar jobsSenior Frontend Developer
Titan Clarity
Maceió
On-site
BRL 120,000 - 160,000
2 days ago
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Senior Full-Stack Developer (Front-End oriented)
Miratech
Nova Petrópolis
Remote
BRL 80,000 - 120,000
3 days ago
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Brazil - Remote: Front-end Developer
Halliburton
Brazil
Remote
BRL 60,000 - 90,000
3 days ago
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Brazil - Remote: Front-end Developer
Halliburton
Manaus
Remote
BRL 120,000 - 160,000
3 days ago
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Senior Frontend Developer
Titan Clarity
Manaus
On-site
BRL 120,000 - 160,000
3 days ago
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Senior Frontend Developer
Titan Clarity
Porto Alegre
On-site
BRL 120,000 - 160,000
3 days ago
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Brazil - Remote: Front-end Developer
Halliburton
Porto Alegre
Remote
BRL 157,000 - 262,000
3 days ago
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Senior Frontend Developer
Titan Clarity
Betim
On-site
BRL 120,000 - 160,000
4 days ago
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Brazil - Remote: Front-end Developer
Halliburton
Ananindeua
Remote
BRL 120,000 - 160,000
4 days ago
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Senior Frontend Developer
Titan Clarity
Belém
On-site
BRL 120,000 - 160,000
4 days ago
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Senior Frontend Developer
Titan Clarity
Natal
Hybrid
BRL 120,000 - 160,000
Full time
Today
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Job summary
A leading tech company in Brazil seeks an experienced frontend engineer with over 8 years of experience in scalable systems. The candidate should be deeply familiar with React, modern state management, and REST APIs. Fluency in English is required, along with excellent skills in HTML5 and CSS3. Experience with agentic AI systems is a plus. This role will work closely with backend teams to build efficient applications.
Qualifications
- 8+ years of frontend engineering experience on high-availability, scalable systems.
- Proven ability to work within existing Redux / Redux-Saga setups.
- Hands-on experience using agentic AI coding systems for multi-step engineering tasks.
Skills
Fluent English communication
Deep React experience
Excellent HTML5 / CSS3 skills
Strong testing discipline
Performance profiling and optimization
Consuming REST APIs
Familiarity with Git
Experience with AI coding systems
Education
BSc / MSc in Computer Science or equivalent practical experience
Tools
Redux Toolkit
Jest
React Testing Library
Cypress
SASS
Git
Next.js
Job description
Requirements
- Fluent English communication, written and spoken.
- BSc / MSc in Computer Science or equivalent practical experience.
- 8+ years of frontend engineering experience on high-availability, scalable systems.
- Deep React experience using modern state / data patterns (Redux Toolkit, React Query / SWR, Zustand, Context), with the ability to work within existing Redux / Redux-Saga setups.
- Excellent HTML5 / CSS3 skills (Flexbox, Grid), responsive / mobile-first design, and CSS preprocessors (SASS / LESS).
- Strong testing discipline with Jest, React Testing Library, and Playwright or Cypress; understands TDD principles.
- Proven experience with performance profiling and optimization (bundle size, rendering, Web Vitals, memory leaks).
- Strong experience consuming REST APIs and collaborating with backend teams.
- Comfortable with Git and modern delivery workflows (PRs, code reviews, CI / CD).
- Hands-on experience using agentic AI coding systems for multi-step engineering tasks.
- Strong grasp of core agentic AI foundations, including : AI coding tools (e.g. Claude Code, Copilot, Gemini CLI, ChatGPT Codex), Context & memory management, Commands, sub-agents, and MCP servers, Structured outputs (JSON schemas), Function / tool-calling best practices (e.g. CLI tool usage).
Nice to have
- Experience with monorepos (Nx, Turborepo).
- Frontend observability (Sentry, Datadog RUM, OpenTelemetry).
- Knowledge of Next.js, UI frameworks (Chakra UI).
- Familiarity with GraphQL and large-scale data systems (RDBMS / NoSQL).
- Experience with real-time technologies (WebSockets, WebRTC).
- Service Workers, streaming technologies, and advanced caching.
- Advanced agentic AI patterns, such as hooks, RAG, cost optimization, self-checking / critique loops, tool mocking for tests, and A / B testing prompts or agents.
* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.