Kraken

Crypto

SoftwareEngineerII-Frontend

Brazil FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid candidates.

The Brief

“Software Engineer II - Frontend at Kraken. Skills: React, TypeScript, WebSockets, Performance. Leverage LLM's to accelerate development. Leverage LLM's to build agentic flows”

What You'll Achieve.

Accelerate global adoption of crypto; Achieve financial freedom; Achieve financial inclusion; Unlock potential of crypto; Unlock potential of blockchain; Develop premium crypto products; Serve multiple product surfaces; Remain responsive under load; Remain stable under load; Ship features; Defend performance; Defend stability; Keep application observable; Improve productivity

Industry & Context.

Crypto
Problems you'll solve

Performance optimization; Debugging

What They're Looking For.

Must Have

4+ years of experience in software development, Deep understanding of JavaScript/TypeScript, Proficiency with the modern React ecosystem, Experience building real-time UIs with WebSockets, Experience building real-time UIs with Web Workers, React performance skills, JavaScript performance skills, Experience working with LLM coding tools, Hands-on experience with React Query or similar, Practical experience with production user monitoring, Practical experience with observability, Experience with frontend testing at multiple levels, Comfortable with feature flagging, Comfortable with progressive rollouts, Familiarity with modern frontend build pipelines, Familiarity with modern tooling, Understanding of UI/UX best practices, Understanding of design-system driven development, Experience within a large technology organization, Experience within a fast-growing startup, Written communication skills in English, Verbal communication skills in English

Nice to Have

Kubernetes a plus

What You'll Do.

Leverage LLM's to accelerate development

Leverage LLM's to build agentic flows

Design features in React web application

Develop features in React web application

Maintain features in React web application

Own performance end to end

Profile real-time UI updates

Measure real-time UI updates

Optimise real-time UI updates

Build WebSocket layer

Evolve WebSocket layer

Build Web Worker layer

Evolve Web Worker layer

Set standard for high-quality code

Contribute to technical strategy

Safeguard performance improvements

Own observability for features

Write integration tests

Write component tests

Drive process improvements

How You'll Work.

Team & Collaboration

Mentorship; Constructive feedback to engineers; Work with product team

Communication Scope

Written communication; Verbal communication

Full Job Description

BUILDING THE FUTURE OF CRYPTO  Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world. Before you apply, please read the Kraken Culture https://www.kraken.com/culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here https://support.kraken.com/hc/en-us/articles/226090548-How-to-create-an-account-on-Kraken. As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security https://blog.kraken.com/crypto-education/security-at-kraken, crypto education https://blog.kraken.com/category/crypto-education, and world-class client support https://blog.kraken.com/crypto-education/support-at-kraken through our products like Kraken Pro https://pro.kraken.com/, Desktop https://www.kraken.com/desktop, Wallet https://www.kraken.com/wallet, and Kraken Futures https://www.kraken.com/features/futures. Become a Krakenite and build the future of crypto! PROOF OF WORK   THE TEAM The Pro team owns Kraken's flagship trading web application - a high-performance, real-time React app that serves multiple product surfaces from a single web codebase: Spot trading, Margin, Futures, Equities, Earn, and many more. The application receives a heavy stream of live updates (order books, tickers, bal

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