Braze's Onsights team is looking for a Senior Full-Stack Engineer to design, build, and scale the core systems for our AI-powered location-intelligence solution. In this remote role, you’ll work closely with backend, frontend, and data science teams on high-performance data collection and analytics platforms.
What You'll Do
- Design, build, and scale core systems and high-performance data collection and analytics platforms.
- Develop backend APIs in Kotlin using the Spring Framework.
- Build scalable services for data ingestion and processing.
- Work with SQL/NoSQL databases, focusing on performance and reliability.
- Handle integrations with internal and external systems.
- Ensure security, stability, and scalability of platforms.
- Conduct code reviews and mentor junior engineers.
What We're Looking For
- A Bachelor’s in Engineering or related field plus 6+ years full-stack experience, or a Master’s plus 5+ years.
- Expertise in media streaming technologies, services, protocols, and formats.
- Experience with Spring, .NET, and frontend development with React.
- Proficiency in Java/Kotlin, Typescript, SQL, Python.
- Hands-on experience with AWS (EC2, S3, SQS, EventBridge).
- English proficiency at a B2 level.
Technical Stack
- Kotlin, Spring, Java
- SQL/NoSQL databases
- React, Typescript
- Python
- AWS (EC2, S3, SQS, EventBridge)
Team & Environment
You'll join a culturally and geographically diverse team of approximately 25 members spanning five US states and three countries. You'll work in a collaborative setting where individual strengths are valued, alongside creative and motivated teammates on innovative projects at the intersection of AI, data, and retail.
Benefits & Compensation
- Competitive salary
- Comprehensive benefits package
- 401k with a 5% company match
- Equity
- Paid Holidays and Unlimited PTO
- 4 months paid parental leave
- Remote work environment
- Flexible work schedule
- Patent Bonus Program
- Employee Referral Bonus Program
- Learning and Development Program
Work Mode
This is a full-time, remote position open to candidates located in Poland.

