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Senior Full Stack Developer
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About On The Spot
About the team
Unity Aura is a large-scale content discovery platform used across 330M devices worldwide. Our mission is to help users find and access their favorite content in a simple and easy way.
About the role
You'll be part of a team that impacts many aspects of the product and works with customer-facing services.
Partnered alongside the best engineers in the industry and working on the coolest projects, the code and systems you’ll work on will be in production and used by millions of users all around the world.
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Responsibilities
- 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
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.
Advantages (Experince with)
- GitHub Actions
- Docker/Kubernetes
- Distributed event stores such as Kafka
- Tools for automation such as Playwright
- Monitoring tools such as Grafana, OpenTelemetry
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 supportin Poland
- Ability to work from our comfortable downtown office in Warsaw
- 5 sick days per year
- 3 additional Friday-days off (U days) during the year
- Medical insurance
- English classes 2 times a week (online)
- Bright and memorable corporate life: corporate parties, gifts to employees on significant dates
Join us
To be considered for this position, you must have Polish citizenship, a D-type work visa, or a residence permit. Thank you!
Contribute to our growth
Know someone perfect for this role? Let us know about them. We have a referral program to recognize your support.
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