On The Spot Development

Senior Full Stack Developer

On The Spot Development

full-time

Posted on:

Location Type: Hybrid

Location: Warsaw • 🇵🇱 Poland

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Job Level

Senior

Tech Stack

AWSCloudJavaScriptMobXMySQLNode.jsReactRedisReduxSCSSWebpack

About the role

  • Work as part of a full-stack agile team, working at high velocity, and delivering great quality on a daily basis
  • Architect, develop, and maintain high-performance services with React.js and Node.js
  • Work with the UX team to translate a design into reusable and accessible components using our existing design system
  • Design, implement, and innovate features using cutting-edge technologies
  • Be responsible for developing and designing major features as well as building new services from scratch
  • Work closely with the product, architects, DevOps, and automation teams
  • Develop & implement tests to ensure the quality, performance & scalability of our products

Requirements

  • +5 years of experience with web development in React
  • +5 years of experience with backend development in Node.js
  • Upper-Intermediate English level
  • Practical experience in the design and architecture of large-scale systems (front-end/back-end)
  • Experience with React.js and State Management (Mobx or Redux, context, hooks, SASS, webpack)
  • Working with design tools (Figma/Zeplin/etc.)
  • Working knowledge of databases (MySQL, MemSQL, Redis)
  • Awareness of microservice architectures
  • Experience with cloud solutions (AWS preferred)
  • Experience with Node.js (express.js, streams, ORMs, Unit testing, logs)
  • Proficient in using AI tools (GitHub Copilot, Claude, etc.) and have a deeper experience with common features like MCP servers, instructions with MD files, etc.
Benefits
  • Work in a highly professional team. Informal and friendly atmosphere in the team
  • Paid vacation — 20 business days per year, 100% sick leave payment
  • Equipment provision
  • Partially compensated educational costs (for courses, certifications, professional events, etc.)
  • Legal and Accounting support in Poland
  • Ability to work from our comfortable downtown office in Warsaw
  • 5 sick days per year
  • ‍Medical insurance (after the end of the probationary period)
  • English and Polish classes 2 times a week (online)
  • Bright and memorable corporate life: corporate parties, gifts to employees on significant dates.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
React.jsNode.jsState ManagementMobxReduxSASSwebpackMySQLMemSQLRedis
Soft skills
communicationcollaborationproblem-solvinginnovationadaptability