[Remote] Senior Software Engineer, Fullstack (Consumer Engineering)

Note: The job is a remote job and is open to candidates in USA. Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Senior Software Engineer, Fullstack role involves owning and delivering quarterly goals, collaborating with product management and design, and fostering a culture of quality and ownership within the engineering team.ResponsibilitiesYou will be responsible for owning and delivering quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout deliveryYou will support peers and stakeholders in the product development lifecycle by collaborating with product management, design, and analytics, participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offsYou will proactively identify project, process, technology, or business issues, advocate for them, and lead in solving themYou will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting 'keep the lights on' and on-call effortsYou will foster a culture of quality and ownership by setting or improving code review and design standards for your team, and advocating for them beyond your team through writing and tech talksYou will help develop talent on your team by providing feedback and guidance, and leading by exampleSkillsYou have experience leading significant mobile initiatives (React Native or native), including defining architecture, coordinating cross-functional launches, and maintaining high reliability in production environmentsYou have experience working across the React Native and native boundaries (Swift/Kotlin), debugging platform-specific issues and improving developer tooling, CI/CD, and release processes for mobile appsYou have experience implementing experimentation, feature flagging, and analytics instrumentation in mobile applications, ensuring safe rollouts and measurable impactYou have experience shipping web apps using declarative UI frameworks like React or VueYou are proficient in working with JavaScript/TypeScriptYou have a total of 4+ years of experience as a software engineerYou are experienced in designing, developing, and launching backend systems at scale using technologies like Python, Kotlin, AWS, MySQL, and KubernetesYou have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple, and extensible design, and you write high-quality code that is easily understood and used by othersYou are proficient at making significant changes in a large codebase and have developed a suite of tools and practices that enable you and your team to do so safelyYour experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholdersYou have strong verbal and written communication skills that support effective collaboration with a global engineering teamThis position requires either equivalent practical experience or a Bachelor's degree in a related fieldBenefitsEquity rewardsMonthly stipends for health, wellness and tech spendingBenefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.)Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependentsFlexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expensesTime off - competitive vacation and holiday schedules allowing you to take time off to rest and rechargeESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discountCompany OverviewAffirm is a financial technology services company that offers installment loans to consumers at the point of sale. It was founded in 2012, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.affirm.com.Company H1B SponsorshipAffirm has a track record of offering H1B sponsorships, with 11 in 2026, 104 in 2025, 96 in 2024, 133 in 2023, 179 in 2022, 132 in 2021, 57 in 2020. Please note that this does not guarantee sponsorship for this specific role.