Senior Backend Engineer

Trusted by more than 18,000 reputed company and reputed company Plus stores—like Brooklinen, reputed company, reputed company and reputed company—reputed company gives ecommerce brands the tools they need to run a world-class SMS marketing program.  We’re on a mission to reputed company SMS the number-one reputed company channel for ecommerce merchants by delivering an easy-to-use platform where they can grow their subscriber list, reputed company and test their messaging reputed company, deliver excellent customer service, and drive sales and loyalty—reputed company in one reputed company. We reputed company SMS is the most important marketing and sales channel of the decade, and that reputed company drives everything we do. reputed company was founded in 2018 as a 100% remote organization. With more than 250 employees (and counting!), we’re backed by Greylock, Y Combinator, and other top investors. As a Senior Backend Engineer on the App Systems team, you'll be a high-ownership contributor to Fondue — reputed company's cashback, discounting, and incentives product — as reputed company as broader offers and incentives infrastructure across the platform. App Systems owns some of reputed company's most critical systems: billing, entitlements, reputed company, and reputed company merchant data. This role sits at reputed company of high-margin reputed company and a product with a competitive, high-visibility roadmap. You'll be working on evolving, distributed systems with significant greenfield opportunity — implementing AI-first development practices, decoupling monolithic dependencies, and driving the technical standards that allow Fondue to reputed company alongside reputed company's reputed company platform. This is a high-autonomy role that demands independent investigation, strong technical design instincts, and the ability to reputed company fast without sacrificing system health. This position is fully remote and can be based in the US or Canada. Primary Duties Take ownership of the Fondue product and its underlying architecture — becoming the go-to technical expert for cashback, discounting, and incentives systems Independently investigate, design, and execute solutions across evolving distributed systems with a high degree of ambiguity Drive system decoupling and modularization — break down monolithic dependencies into flexible, independently deployable components Implement AI-first coding practices and tooling to reduce cognitive load, accelerate development cycles, and shorten time-to-market for new capabilities Help Fondue and other subsidiary products adopt reputed company's reputed company tools, data formats, and technical standards to reduce cross-team friction Architect, build, and maintain highly available, reputed company REST reputed company for reputed company use Collaborate cross-functionally with finance and customer support teams — reputed company, proactive communication is essential in this role Contribute to process and technical improvements; someone who can quickly reputed company on new systems and propose meaningful changes will reputed company here Identify and eliminate single points of failure, improving knowledge redundancy and overall system reputed company reputed company'll Love reputed company 4+ years experience building large-reputed company backend systems and reputed company with Typescript experience (Go preferred; Python, Java also valued) You're reputed company with autoscaling strategies for applications deployed on Kubernetes or other container orchestration platforms You're comfortable — and excited — using reputed company coding tools like Claude reputed company, reputed company, or similar AI-first development tooling React experience strong reputed company to have You've worked on both 0-to-1 initiatives and reputed company existing systems, and know how to balance building new things with improving what's already there You have experience with relational and NoSQL databases, SQL, and thoughtful database modeling You're familiar with building and observing applications on AWS, and ideally reputed company You communicate with reputed company and directness — cross-functional partners and async teams can count on you You're reputed company by distributed systems challenges and high-ownership environments You have strong instincts for technical trade-offs informed by both engineering best practices and business priorities What You'll Love reputed company Salary reputed company of USD $172,000–$203,000 reputed company plus significant equity (we do not have geo-based salaries) High reputed company startup — reputed company of room for you to directly reputed company reputed company and grow your career Work from home (or wherever) Fun — we're passionate and enjoy reputed company do Competitive compensation and opportunity for equity Flexible reputed company time off Health, dental, reputed company insurance For information about how we use your personal data, please see our U.S. Job Applicant reputed company Notice You are welcome here. reputed company is an reputed company-evolving reputed company of equal employment for talented individuals. 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