Senior Software Engineer I, Frontend Infrastructure & Experience

Senior Software Engineer I, Frontend Infrastructure & ExperienceAt 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 DoBraze's product is the control center for thousands of the world's most sophisticated marketing teams. The Frontend Infrastructure & Experience (FIX) team builds the platform foundations that every product engineer relies on and owns key parts of the end-user experience.The team makes it easy for engineers across Braze to build polished, accessible, and consistent UIs. FIX owns our design system and component library, internationalization stack, code generation and scaffolding tooling, and the navigation and routing layer of the product. The team also owns key customer-facing experiences including our data tables and our rich text, drag-and-drop, and code editors.As a Senior Engineer on FIX, you will build high-impact frontend infrastructure and product experiences used across Braze. You will lead important projects from design through rollout, raise the quality bar through technical judgment and code review, and help other engineers move faster by making the product easier to build, test, and maintain.In this role you will:Design and build foundational frontend systems, components, tools, and patterns used by engineers across BrazeLead large projects end-to-end, including technical design, implementation, testing, rollout, and operational follow-throughImprove the developer experience of working in a large TypeScript and React codebase through better abstractions, tooling, documentation, and examplesBuild customer-facing product experiences that are polished, accessible, performant, and consistent with Braze's product standardsPartner with product engineers, designers, and infrastructure teams to solve cross-cutting frontend problemsMentor other engineers through code review, pairing, technical guidance, and clear communicationRecent and ongoing work on the team includes:Developing the framework used to build our marketing message editorsMigrating the navigation and routing layer to a fully React-based systemExtending the design system with semantic tokens and supporting a product rebrandBuilding type-safe scaffolding and API tooling for frontend developmentImproving frontend testing infrastructure with Cypress, Jest, and related toolingAdvancing accessibility, localization, and consistency across product experiencesParts of our stack with which you will work:TypeScript, ReactCypress, Jest, RSpecFrontend build, packaging, and code generation toolingRuby on RailsWho You AreHave 5+ years of software engineering experience with a strong track record of technical impactAre highly skilled in modern frontend development, especially TypeScript and ReactHave experience building reusable frontend systems, components, tools, or infrastructureCare deeply about user experience, accessibility, performance, and maintainabilityAre comfortable working in a large frontend codebase with many stakeholdersCommunicate clearly, collaborate well across teams, and help raise the technical bar for those around youBonus experience:Experience building design systems or component librariesExperience with frontend testing frameworks such as Cypress or JestExperience with code generation, linting, codemods, or other developer toolingExperience with internationalization, localization, or accessibilityExperience with Ruby on RailsWhat We OfferBraze benefits vary by location, and we encourage you to review our specific benefits offerings for each country 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 equityRetirement and Employee Stock Purchase PlansFlexible paid time offComprehensive benefit plans covering medical, dental, vision, life, and disabilityFamily services that include fertility benefits and equal paid parental leaveProfessional development supported by formal career pathing, learning platforms, and a yearly learning stipendA curated in-office employee experience, designed to foster community, team connections, and innovationOpportunities to give back to your community, including an annual company-wide Volunteer Week and donation matchingEmployee Resource Groups that provide supportive communities within BrazeCollaborative, transparent, and fun culture recognized as a Great Place to Work®About BrazeBraze 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 customer engagement. From cross-channel messaging and journey orchestration to Al-powered decisioning and optimization, Braze enables companies to turn action into interaction through autonomous, 1:1 personalized experiences.The company has been consistently recognized as a Leader in marketing technology by industry analysts, and was named a G2 "Best of Marketing and Digital Advertising Software Product" in 2026. Braze was also named a 2026 Best Places to Work by Built In, a 2025 America's Greenest Companies by Newsweek, and a 2025 Fortune Best Workplace in Technology™ by Great Place To Work®. Braze is also proudly certified as a Great Place to Work® in the U.S., the UK, Australia, and Singapore.The company is headquartered in New York with offices in Austin, Berlin, Bucharest, Chicago, Dubai, Jakarta, London, Paris, San Francisco, São Paulo, Singapore, Seoul, Sydney and Tokyo.Braze is an equal opportunity employer. At Braze, we strive to create equitable growth and opportunities inside and outside the organization.Building meaningful connections is at the heart of everything we do, and that includes our recruiting practices. We're committed to offering all candidates a fair, accessible, and inclusive experience – regardless of age, color, disability, gender identity, marital status, maternity, national origin, pregnancy, race, religion, sex, sexual orientation, or status as a protected veteran. When applying and interviewing with Braze, we want you to feel comfortable showcasing what makes you you.We know that sometimes different circumstances can lead talented people to hesitate to apply for a role unless they meet 100% of the criteria. If this sounds familiar, we encourage you to apply, as we'd love to meet you.Our AI-powered Braze recruitment process includes using AI to analyze the experience, skills and qualifications in your application materials to help with screening and prioritizing candidates. Such screening may amount to a form of solely automated decision-making. We also use AI for administrative support, like scheduling and recording interviews and summarizing interview notes. Our recruiting teams remain responsible for all hiring decisions and are involved throughout the process.Depending on where you are located, you may have the right