Engineering Team Lead (Full Stack)
On The Spot Development is hiring for an Engineering Team Lead. We bring startups and disruptive tech companies to the local market, offering engineers the opportunity to work on innovative, high-impact products. Join us and become a member of their R&D team while we take care of employment, HR support, a benefits package, and an enjoyable work environment.
About the product:
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. You'll be part of a team that impacts many aspects of the product and works with customer-facing services.
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
Comfortable office in Warsaw at Prosta 51
3 additional Friday-days off (U days) during the year
5 sick days per year
Medical insurance
Flexible working hours – we care about you (!) and your output
English classes 2 times a week (online)
Bright and memorable corporate life: corporate parties, gifts to employees on significant dates
Published on: 4/20/2026

On The Spot Development
We are a boutique software development company that helps global tech startups build and scale their teams.
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