Software Engineer II, User Targeting

Join the User Targeting team, which is responsible for how customers segment and target their users. Every message Braze sends goes through the team's pipelines, which process billions of users per day. The role involves building and owning features in a complex, high-scale segmentation system that underpins the entire product offering. The team extensively integrates AI into its daily workflow, leveraging agentic tools to navigate a large Ruby monolith, create proof of concepts, and transition quickly and safely from an ask to a working solution.

Responsibilities

Design & Build: design and implement features across our Ruby on Rails backend and React frontend, from design review through production rollout; Own Features: take ownership of medium-sized projects, break down the work, set delivery dates, and hit them; Work with Data at Scale: write and tune queries against MongoDB and ClickHouse, and learn how segmentation performance and cost change with data volume; Collaborate Cross-Functionally: work closely with product managers, designers, and other engineering teams to clarify requirements and deliver features that meet customer needs; Maintain & Evolve: write thorough automated tests, review teammates' code, and take part in the on-call rotation to keep systems stable and high-quality

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 an ambiguous feature request, ask the right questions, and turn it into working, tested code with limited oversight; Great communication and organizational skills, with a history of thriving in team environments

Nice to have

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 a high-scale, high-throughput system; Passionate about customer experience

Benefits

Competitive compensation that may include equity; Retirement and Employee Stock Purchase Plans; Flexible paid time off; Comprehensive benefit plans covering medical, dental, vision, life, and disability; Family services that include fertility benefits and equal paid parental leave; Professional development supported by formal career pathing, learning platforms, and a yearly learning stipend; A curated in-office employee experience, designed to foster community, team connections, and innovation; Opportunities to give back to your community, including an annual company-wide Volunteer Week and donation matching; Employee Resource Groups that provide supportive communities within Braze; Collaborative, transparent, and fun culture recognized as a Great Place to Work