Backend Engineer for Fitbit Premium & AI Features

Software Careers; Warszawa; On-site; PLN 206,000 - 212,000; Full time

Job summary

Google in Warsaw, Poland is seeking a Software Engineer II to design and maintain backend services for Fitbit subscriptions. You will own API development, integrate with mobile apps, and contribute across the SDLC to deliver scalable features.

You should have strong experience with Python, C/C++, Java, and JavaScript, plus data structures and algorithms. Regional work requires on-site collaboration in Warsaw.

Qualifications

• Bachelor’s degree or equivalent practical experience.
• 1 year of software development experience in one or more programming languages (e.g., Python, C, C++, Java, JavaScript).
• 1 year of experience with data structures and algorithms.
• Master’s degree in Computer Science or related technical field is a plus; experience with scalable, database-backed distributed systems is preferred.

Responsibilities

• Architect, build, and maintain scalable backend services and APIs.
• Take end-to-end responsibility for the software development lifecycle.
• Collaborate with Product Managers and Mobile Engineers to define requirements and API specs.
• Contribute to technical discussions and design reviews; surface value of premium features.

Skills

Python

C

C++

Java

JavaScript

Data Structures

Algorithms

Backend Development

API Development

Scalable Systems

Distributed Systems

Software Development Lifecycle

Technical Design

Implementation

Testing

Deployment

Operational Maintenance

AI-powered Experiences

Education

Bachelor’s degree or equivalent practical experience

Job description

Google in Warsaw, Poland is seeking a Software Engineer II to design and maintain backend services for Fitbit subscriptions. You will own API development, integrate with mobile apps, and contribute across the SDLC to deliver scalable features.

You should have strong experience with Python, C/C++, Java, and JavaScript, plus data structures and algorithms. Regional work requires on-site collaboration in Warsaw.