Senior Frontend Engineer, React

Job not on LinkedIn

🔥 2 minutes ago

🇧🇷 Brazil – Remote

💵 $3.8k - $5k / month

⏳ Contract/Temporary

🟠 Senior

💻 Frontend Engineer / Web Developer

👻 Ghost score 2%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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CodiLime

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2011

🤝 B2B

📡 Telecommunications

🔧 Hardware

B2B • Telecommunications • Hardware

CodiLime is a software and network engineering services company that partners with networking hardware vendors, software providers, and telecommunications firms to create proofs-of-concept, develop new products, and support production environments. Founded in 2011 and grown to 300+ employees, the company specializes in network automation, low-level systems programming, observability, DevOps, and cybersecurity, serving clients worldwide (US, Japan, Israel, Europe). CodiLime primarily operates as a B2B service provider to tech startups and large industry players.

📋 Description

• Build real-time monitoring and telemetry dashboards for the platform's observability products • Design and develop React and TypeScript interfaces for network discovery, network assurance and agent fleet management • Turn large, frequently changing network and telemetry data into clear and usable visualizations • Define and consume frontend-backend contracts (OpenAPI) together with backend engineers • Manage client state and server data efficiently using Zustand, TanStack Query and Context API • Write unit tests with Jest and React Testing Library and E2E tests with Playwright running in CI via GitHub Actions • Ensure the product is accessible to all users • Use Claude Code day to day, setting constraints, reviewing output and remaining accountable for correctness, security and tests • Write clean, maintainable, well-tested code and participate in code reviews

🎯 Requirements

• 7+ years of professional frontend development experience • Strong experience with React, TypeScript and JavaScript • Experience with Vite • Experience with Zustand (or another state management library) and the Context API • Experience with TanStack Query • Experience with TailwindCSS • Good understanding of frontend-backend contracts, ideally defined with OpenAPI • Experience with unit testing (Jest, React Testing Library) • Experience with E2E testing, ideally with Playwright • Experience with npm • CI/CD experience, ideally GitHub Actions • Experience with PostgreSQL • Experience with Docker and Docker Compose (local and test environments) • Understanding of accessibility, ideally hands-on experience • Hands-on, everyday use of AI coding tools, ideally Claude Code • Experience building SaaS and infrastructure products • Networking knowledge gained from working on observability or monitoring products • Working hours overlapping with the US East Coast • Good knowledge of English (minimum C1 level) • Experience with data visualization libraries such as Recharts or D3 • Experience with observability tools such as Grafana • Experience with OAuth2 / OIDC (e.g. Auth0) • Experience with RBAC (role-based access control)

🏖️ Benefits

• Flexible working hours and approach to work: fully remotely, in the office or hybrid • Professional growth supported by internal training sessions and a training budget • Solid onboarding with a hands-on approach to give you an easy start • A great atmosphere among professionals who are passionate about their work • The ability to change the project you work on

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