Software Engineer II, User Targeting

Responsibilities

You will design and implement features across the Ruby on Rails backend and React frontend while taking ownership of medium-sized projects. Additionally, you will work with data at scale, tune database queries, and collaborate cross-functionally to deliver high-quality, stable features.

Requirements

Candidates must have 2+ years of professional experience in full-stack or back-end web application development. Strong fundamentals in software design, data structures, algorithms, and experience with SQL and production databases are required.

Skills

• Ruby on Rails
• React
• Software design
• Data structures
• Algorithms
• SQL
• MongoDB
• ClickHouse
• TypeScript
• Sidekiq
• NoSQL
• Full-stack development
• Backend services
• Automated testing
• Data systems
• Cross-functional collaboration

Benefits

• Competitive compensation
• Equity grants
• Retirement plans
• Employee stock purchase plans
• Flexible paid time off
• Medical insurance
• Dental insurance
• Vision insurance
• Life insurance
• Disability insurance
• Fertility benefits
• Paid parental leave
• Professional development
• Learning stipend
• Donation matching

About this role

At Braze, we have found our people. We’re a genuinely approachable, exceptionally kind, and intensely passionate crew.
We seek to ignite that passion by setting high standards, championing teamwork, and creating work-life harmony as we collectively navigate rapid growth on a global scale while striving for greater equity and opportunity – inside and outside our organization.
To flourish here, you must be prepared to set a high bar for yourself and those around you. There is always a way to contribute: Acting with autonomy, having accountability and being open to new perspectives are essential to our continued success.
Our deep curiosity to learn and our eagerness to share diverse passions with others gives us balance and injects a one-of-a-kind vibrancy into our culture.
If you are driven to solve exhilarating challenges and have a bias toward action in the face of change, you will be empowered to make a real impact here, with a sharp and passionate team at your back. If Braze sounds like a place where you can thrive, we can’t wait to meet you.
WHAT YOU’LL DO
We’re looking for a Software Engineer II to join the User Targeting team. The team is responsible for how our customers segment and target their users. Every message Braze sends goes through our pipelines, which process billions of users per day. We are a fast-paced team working close to customers in a core and high-impact area of our product.
You will build and own features in a complex, high-scale segmentation system that underpins our entire product offering. You’ll work on new segmentation features, help improve performance and cost, and grow your expertise in large-scale data systems. Your responsibilities will include:
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 our systems stable and high-quality
The team extensively integrates AI into its daily workflow, leveraging agentic tools to navigate our large Ruby monolith, create proof of concepts, and transition quickly and safely from an ask to a working solution. AI has been used across all stages of product delivery, fundamentally enhancing the team’s ability to deliver high-quality results more efficiently.
WHO YOU ARE
Software Engineering Experience: 2+ years of professional experience building and shipping web applications, in full-stack development or back-end services
Strong Fundamentals: Solid understanding of software design, data structures, and algorithms
Databases: Experience with SQL and at least one production database
Ownership: Able to take an ambiguous feature request, ask the right questions, and turn it into working, tested code with limited oversight
Self-Starter: Great communication and organizational skills, with a history of thriving in team environments
Bonus:
Languages/Frameworks: familiarity with Ruby, Ruby on Rails, TypeScript, React, Sidekiq, and SQL/NoSQL databases
Database Experience: previous experience with MongoDB, ClickHouse, Snowflake, or other data lake solutions
Scale: Experience working on a high-scale, high-throughput system
Passionate about customer experience
For candidates based in the United States, the pay range for this position at the start of employment is expected to be between $104,400 and $176,040 annually with an expected On Target Earnings (OTE) between $116,000 - $195,600/year (including bonus or commission). Your exact offer may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. In addition to cash compensation, Braze offers full- and part- time employees a comprehensive Total Rewards package that includes equity grants of restricted stock (RSUs) so that all Braze employees own a piece of our company.
#LI-Hybrid
WHAT WE OFFER
Braze benefits vary by location, and we encourage you to review our specific benefits offerings for each country at here. More details on benefits plans will be provided if you receive an offer of employment.
From offering comprehensive benefits to fostering hybrid ways of working, we've got you covered so you can prioritize work-life harmony. Braze offers benefits such as:
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®
ABOUT BRAZE
Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging™ Braze helps brands deliver great customer experiences that drive value both for consumers and for their businesses. Built on a foundation of composable intelligence, BrazeAI™ allows marketers to combine and activate AI agents, models, and features at every touchpoint throughout the Braze Customer Engagement Platform for smarter, faster, and more meaningful cus...

About Braze

Software Development · 1,001-5,000 employees · headquartered in New York, New York · founded 2011