Senior Fullstack (React/Node.js)

TL;DR

Senior Fullstack (React/Node.js): Architect, develop, and maintain high-performance services for a large-scale content discovery platform used across 330M devices worldwide with an accent on frontend components and backend systems. Focus on designing major features, building reusable UI components from design systems, and innovating with cutting-edge technologies for millions of users.

Location: Hybrid in Warsaw, Poland

Company

hirify.global brings startups and disruptive tech companies to the local market, offering engineers opportunities to work on innovative products like Unity Aura while handling employment and HR support.

What you will do

• Work in a full-stack agile team delivering high-velocity, high-quality features daily.
• Architect, develop, and maintain services using React.js and Node.js.
• Collaborate with UX team to build reusable, accessible components from the design system.
• Design and implement major features and new services from scratch.
• Partner with product, architects, DevOps, and automation teams.

Requirements

• Upper-Intermediate English
• +5 years experience with React web development.
• +5 years experience with Node.js backend development.
• Practical experience in design and architecture of large-scale front-end/back-end systems.
• React.js with state management (Mobx/Redux, context, hooks), SASS, webpack.
• Databases: MySQL, MemSQL, Redis.
• Awareness of microservice architectures, cloud solutions (AWS preferred), Node.js (express.js, streams, ORMs, unit testing, logs).
• Design tools (Figma/Zeplin/etc.), proficient in AI tools (GitHub Copilot, Claude, etc.).

Nice to have

• GitHub Actions
• Docker/Kubernetes
• Distributed event stores like Kafka
• Automation tools like Playwright
• Monitoring tools like Grafana, OpenTelemetry

Culture & Benefits

• Highly professional, informal, and friendly team atmosphere.
• Paid vacation (20 business days), 100% sick leave, 5 sick days, 3 additional Friday off days.
• Equipment provided, partially compensated education (courses, certifications, events).
• Legal and accounting support in Poland, medical insurance after probation.
• English and Polish classes online 2x/week, comfortable downtown Warsaw office.
• Bright corporate life: parties, gifts on significant dates.