3 days ago
Warsaw, PolandSenior
Responsibilities
- Design, develop, and maintain scalable backend systems and data flows for accounts, apps, users, and onboarding flows.
- Help decouple legacy data stores, build resilient domain models, and adopt patterns such as GraphQL Federation.
- Write tested, production-grade code and own features from design through deployment and operation.
- Participate in architecture discussions, design reviews, and code reviews.
- Collaborate with product managers, team leads, and engineers to define and deliver the team roadmap.
- Help ensure high availability, security, and operational excellence for core SaaS systems.
- Troubleshoot and resolve production issues and participate in on-call rotations as needed.
- Contribute to engineering culture, continuous improvement, and adoption of modern tools and SDLC practices.
Requirements
- 5+ years of software development experience with strong backend engineering skills.
- Experience building and operating production-grade distributed systems.
- Strong understanding of software design, system architecture, and development best practices.
- Experience with high-scale, cloud-based architectures.
- Ability to own complex problems from design through production.
- Strong collaboration, communication, and cross-functional stakeholder skills.
- Proficiency in written and verbal English.
- B.Sc. in Computer Science or equivalent practical experience.
- Preferred experience with Domain-Driven Design, SaaS platform systems, identity and access management, billing, multi-tenancy, API gateways, core entity systems, onboarding flows, Node.js, GraphQL, Neo4j, platform or infrastructure teams, or hyper-scale ad-tech systems.
Benefits
- Global company operating from 25 offices across 19 countries.
- Equal-opportunity workplace that promotes diversity, curiosity, and innovation.
Tech Stack
Categories
About AppsFlyer
AppsFlyer builds a marketing measurement and analytics platform for mobile-first brands and developers, spanning attribution, deep linking, privacy-centric data collaboration, and fraud protection. It sells enterprise SaaS and usage-based tools that help marketers connect spend to outcomes across mobile and connected experiences. Founded in 2011 and privately held, the company is headquartered in San Francisco and processes over 150 billion mobile app events daily for customers worldwide.