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Salary: USD 104,400 - 176,040 / annual
Braze is seeking a Software Engineer II to join the User Targeting team, which owns segmentation and targeting capabilities that process billions of users daily across the platform. Every message sent through Braze flows through these pipelines, making this a core, high-impact area of the product.
In this role, you will build and own features in a complex, high-scale segmentation system. You'll design and implement features across a Ruby on Rails backend and React frontend, from design review through production rollout. Your responsibilities include:
• Design & Build: Implement features across the full stack, managing the complete lifecycle from design through production deployment
• Own Features: Take ownership of medium-sized projects, break down work into deliverables, and meet committed timelines
• Work with Data at Scale: Write and optimize queries against MongoDB and ClickHouse, understanding how segmentation performance and cost scale with data volume
• Collaborate Cross-Functionally: Partner with product managers, designers, and other engineering teams to clarify requirements and deliver customer-focused solutions
• Maintain & Evolve: Write comprehensive automated tests, conduct code reviews, and participate in on-call rotation to ensure system stability and quality
The team extensively integrates AI into daily workflows, using agentic tools to navigate the large Ruby monolith, create proof of concepts, and rapidly transition from requirements to working solutions. AI is leveraged across all stages of product delivery to enhance the team's ability to ship high-quality results efficiently.
Braze is a leading customer engagement platform recognized as a Leader in marketing technology by industry analysts. The company was named a 2025 Best Companies To Work For by U.S. News and World Report, a 2025 Fortune Best Workplace in Technology by Great Place To Work, and holds Great Place to Work certification in the U.S., UK, Australia, and Singapore. Braze is headquartered in New York with offices globally including Chicago, Austin, Berlin, London, San Francisco, Singapore, and others.
REQUIREMENTS:
• 2+ years of professional experience building and shipping web applications in full-stack development or back-end services
• Solid understanding of software design, data structures, and algorithms
• Experience with SQL and at least one production database
• Ability to take ambiguous feature requests, ask clarifying questions, and deliver working, tested code with limited oversight
• Strong communication and organizational skills with a track record of thriving in team environments
BONUS QUALIFICATIONS:
• Familiarity with Ruby, Ruby on Rails, TypeScript, React, Sidekiq, and SQL/NoSQL databases
• Previous experience with MongoDB, ClickHouse, Snowflake, or other data lake solutions
• Experience working on high-scale, high-throughput systems
• Passion for customer experience
