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Engineering Team Lead (Full Stack)
About On The Spot
About the team
Aura from Unity, a large-scale revolutionary mobile platform used across 330M devices worldwide, is looking for a top-notch full-stack developer to join our team and be part of something meaningful that impacts millions!
You'll be part of a team that impacts many aspects of the product and works with customer-facing services.
About the role
Join the team and build yourself as an awesome generalist who can write code, work on complex infra, and be a great lead for engineers. 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
Management:
- Lead and grow a great engineering team, fostering a culture of ownership, continuous improvement, and technical excellence
- Coach and develop engineers through regular feedback, mentorship, and career growth opportunities, with a focus on creating an inclusive and collaborative environment
- Define and drive the long-term vision and strategy for the teams, ensuring alignment with company goals and product direction
- Identify and prioritize high-impact opportunities in collaboration with Product, Development Teams, and Design, ensuring teams are focused on the most valuable initiatives
- Own execution and delivery, ensuring technical quality, reliability, and timely outcomes
- Champion engineering best practices, from code quality to scalable processes and tech stack evolution
Development:
- Collaborate cross-functionally with stakeholders across the business to amplify impact and ensure alignment on priorities and outcomes
- Architect, develop, and maintain high-performance services with ReactJS and NodeJS
- 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
- Provide technical leadership: guide system design and architectural decisions, help navigate trade-offs, and remove technical blockers
- Work closely with the product, architects, DevOps, and automation teams
Requirements
Management:
- Leading a team of 4+ developers
- Understanding and experience with building PDP for developers on a long-term basis
- Proven experience in setting measurable team OKRs and aligning them with company objectives
- Ability to analyze and track engineering performance using delivery and quality metrics (cycle time, PR review time, incident rate, velocity, etc.)
- Experience in hiring, onboarding, and scaling technical teams while maintaining culture and high engagement
- Experienced in giving constructive, timely, and actionable feedback to developers, focusing on both technical and behavioral growth
- Skilled in conducting 1:1 meetings, performance reviews, and continuous feedback loops to promote transparency and motivation
Development:
- 5+ years of experience with web development in React
- 5+ years of experience with backend development in NodeJS
- Excellent English level
- Practical experience in the design and architecture of large-scale systems (front-end/back-end)
- Experience with ReactJS and State Management (Mobx or Redux, context, hooks, SASS, webpack)
- Working with design tools (Figma/Zeplin/etc.)
- Working knowledge of databases (MySQL, MemSQL, Redis)
- Proven experience with microservice architectures
- Experience with cloud solutions (AWS preferred)
- Experience with NodeJS (expressJS, 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.
Advantage (experience 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 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
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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