Senior Backend & Full-Stack Engineer for AI-Driven SaaS

Qumra Capital; Warszawa; On-site; PLN 180,000 - 300,000; Full time

Job summary

AppsFlyer is seeking an experienced full-stack developer to join the Management team. You will own end-to-end development of products from front-end to back-end and collaborate with cross-functional teams to deliver high-impact features.

You will work in a fast-moving AI environment, designing scalable systems and maintaining code quality with modern practices and tooling. English proficiency and a CS degree are essential for success.

Qualifications

• 5+ years of software development experience with strong backend engineering skills.

Responsibilities

• End-to-end development of AppsFlyer products and features, from front-end to back-end.
• Collaborate with Product Designers, Product Managers and Software Engineers to deliver amazing products.
• Build & ship features at high pace in a fast-moving AI development environment.
• Design, develop, and maintain scalable backend and frontend systems.
• Develop complex applications using modern Full Stack technologies.
• Work with microservices, event-driven architectures, and distributed systems.
• Continuously learn and evaluate new technologies to improve our products.
• Contribute to a strong engineering culture of ownership, collaboration, quality, and continuous improvement

Skills

React

TypeScript

Frontend engineering

Backend engineering

System design

CI/CD

Observability

Mentoring

AI tooling

English proficiency

Education

B.Sc. in Computer Science

Tools

Node.js

GraphQL

Neo4j

PostgreSQL

Redis

AWS

GCP

Kafka

Job description

AppsFlyer is seeking an experienced full-stack developer to join the Management team. You will own end-to-end development of products from front-end to back-end and collaborate with cross-functional teams to deliver high-impact features.

You will work in a fast-moving AI environment, designing scalable systems and maintaining code quality with modern practices and tooling. English proficiency and a CS degree are essential for success.