Staff Software Engineer, Frontend

🔥 14 hours ago

🇵🇹 Portugal – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.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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Block Labs

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2022

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Block Labs is a Web3-focused builder, investor, and marketing partner for blockchain projects. The company provides end-to-end blockchain development (smart contracts, decentralized wallets, NFT exchanges, payment gateways), web3-native marketing (social management, influencer/KOL campaigns, paid media, PR, partnerships), and investment support from seed to Series A. Block Labs works with founders to accelerate growth through technical development, go-to-market strategies, and strategic capital, operating from Sofia, Bulgaria.

📋 Description

• Own the frontend end to end, including architecture, conventions, quality standards and production behavior of a multi-brand platform • Make adding a brand a configuration change through theming, brand-aware routing and content, and boundaries between shared and brand-specific code • Build and own the design system and component library used by engineers, designers and AI-assisted prototyping • Turn product prototypes into production features quickly • Build workflow and tooling to make prototype-to-production delivery repeatable • Use AI coding agents daily with quality checks that maintain standards at agent speed • Establish best practices for how others use AI coding agents • Ship consumer-facing UI with attention to detail, performance and accessibility • Raise UX and product concerns with product owners using alternatives and working examples • Work as an individual contributor with end-to-end product ownership and accountability for production behavior

🎯 Requirements

• 8+ years building production consumer-facing web applications, several of them at Staff or equivalent ownership • Experience taking a frontend from a rough brief to production and owning it after launch • Extensive use of AI coding agents as a primary development method, with an established setup and quality controls • Deep expertise in React, Next.js and modern TypeScript • Clear opinions on rendering strategies and when each is inappropriate • Hands-on experience building or re-architecting multi-brand, multi-tenant or white-label frontends • Experience building or owning a design system and component library • Strong UI and UX sensibility • Experience working with non-engineers who build with AI tools • Demonstrable Core Web Vitals work in production • Ability to work autonomously with light process and write clearly • Strong command of written and verbal English • Nice to have: real-time, high-interaction consumer interface experience • Nice to have: fintech, crypto, real-time gaming, entertainment or other high-traffic consumer product background • Nice to have: tooling, skills or integrations improving agent performance in a codebase or design system • Nice to have: working knowledge of CI/CD and cloud environments