Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees or compounding interest.

Affirm, a company revolutionizing the credit industry with honest and friendly payment solutions, is seeking a Senior Software Engineer to join their Infrastructure Platform Engineering team. This role focuses on ensuring the reliability, availability, and operational efficiency of Affirm's distributed systems in a highly scalable, cloud-native environment.

As part of the Platform, Reliability and Infrastructure Operations group, you'll be instrumental in proactive failure mitigation, operational tooling, service scaling strategies, and on-call effectiveness. The role involves working with critical systems across Affirm's compute, storage, CI/CD, and observability stacks to maintain low-latency, highly available services.

The position offers an exciting opportunity to work with a rapidly scaling fintech company operating across multiple regions. You'll be responsible for leading engineers, delivering quarterly goals, and ensuring platform resilience. The role requires expertise in technologies like Python, Kotlin, AWS, and MySQL, along with strong experience in Kubernetes and cloud infrastructure.

Key aspects of the role include partnering with various teams to maintain high operational standards, automating critical processes, and ensuring system reliability. The position offers competitive compensation (€85,000 - €115,000), comprehensive benefits including fully subsidized medical coverage, and various lifestyle benefits. This remote position is based in Spain, with visa sponsorship available for qualified candidates.

The ideal candidate will bring 5+ years of software engineering experience, strong technical expertise, and excellent communication skills. You'll be joining a company that values innovation, technical excellence, and a people-first culture, making it an excellent opportunity for experienced engineers looking to make a significant impact in the fintech space.

Senior Backend Software Engineer role at Affirm focusing on platform reliability and infrastructure, offering remote work in Spain with competitive compensation and comprehensive benefits.

Senior Software Engineer, Backend (Platform Reliability)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees.

Affirm is seeking a Staff Software Engineer to join their Ledger Engineering team, which maintains the company's critical financial infrastructure. This role is central to Affirm's mission of reinventing credit to be more honest and friendly for consumers. The Ledger team is responsible for maintaining core systems that serve as Affirm's financial backbone, handling everything from loan tracking to daily processing pipelines with strict SLAs.

As a Staff Software Engineer, you'll be working with technologies like Python, Kotlin, AWS, and Kubernetes to build and maintain highly available distributed systems. The role requires deep technical expertise combined with strong financial acumen, as you'll be handling critical accounting data and financial transactions that demand high precision and reliability.

The position offers an opportunity to work on challenging technical problems while having significant business impact. You'll be responsible for setting technical strategy, collaborating across teams, and acting as a force-multiplier for your team. The role requires both technical leadership and people leadership skills, as you'll be fostering a culture of quality and helping develop talent on your team.

Affirm offers a comprehensive benefits package including fully subsidized medical coverage for employees and dependents, dental and vision insurance, flexible spending wallets, and equity through an employee stock purchase plan. The company embraces a remote-first culture, offering flexibility in work location while maintaining high standards of collaboration and team interaction.

This is an excellent opportunity for an experienced engineer who wants to work at the intersection of technology and finance, building systems that directly impact millions of consumers while working with a talented team in a supportive environment. The role offers competitive compensation with a base salary range of $200,000 - $275,000 depending on location, plus equity and comprehensive benefits.

Staff Software Engineer position at Affirm focusing on backend development for the Ledger team, maintaining critical financial infrastructure and accounting systems.

Staff Software Engineer, Backend (Ledger)

Affirm, a company revolutionizing the credit industry with honest and friendly buy-now-pay-later solutions, is seeking a Senior Software Engineer to join their Fraud Engineering organization. This remote position, based in Poland, focuses on building critical fraud prevention systems that protect Affirm, its buyers, and merchants. The role involves working with Python and Kotlin in a microservice architecture, designing scalable backend services, and collaborating with teams across North America.

The position offers an exciting opportunity to work on complex fraud prevention systems while partnering with diverse stakeholders in Product, Compliance, Machine Learning, and Fraud Operations. You'll be responsible for leading technical initiatives, mentoring team members, and maintaining high-quality standards in a distributed team environment. The role requires strong expertise in backend development, distributed systems, and database technologies, with the ability to navigate complex technical challenges in a fintech context.

This is an excellent opportunity for experienced engineers who want to make a significant impact in the fintech space while working with modern technologies and practices. The position offers comprehensive benefits, including fully covered medical insurance, flexible spending wallets, and various lifestyle benefits. The compensation is competitive, with a base salary range of 301,000 - 401,000 PLN per year, plus equity opportunities.

Working at Affirm means joining a remote-first culture that values technical excellence, collaborative problem-solving, and maintaining high engineering standards. You'll be part of a team that's building the future of financial technology while ensuring security and fraud prevention at scale.

Senior Backend Software Engineer position at Affirm, focusing on fraud prevention systems, using Python/Kotlin in a remote setting based in Poland.

Senior Software Engineer, Back-end (Fraud)

Affirm, a pioneering fintech company, is revolutionizing the credit industry by offering honest and friendly buy-now-pay-later solutions without hidden fees or compounding interest. We're seeking a Senior Software Engineer to join our Loans Platform team, which is at the heart of our core loan products. As we experience exponential growth, this role presents an exciting opportunity to scale our products 100x and beyond while making financial services more accessible to consumers.

The position combines technical leadership with hands-on development, requiring expertise in backend technologies like Python, Kotlin, and distributed systems. You'll be working with cutting-edge tools including AWS, MySQL, and Kubernetes to build highly available systems that process financial transactions at scale. The role offers a unique blend of technical challenges and business impact, as you'll be instrumental in launching new products and features that directly affect how millions of consumers access credit.

This is an ideal opportunity for an experienced engineer who wants to make a meaningful impact in fintech while working with modern technologies. You'll lead technical initiatives, mentor team members, and collaborate across functions to drive innovation in financial services. The position offers competitive compensation ($169,000-$240,000 depending on location) and comprehensive benefits, including fully subsidized medical coverage for employees and dependents, flexible spending wallets, and equity opportunities.

Working at Affirm means joining a mission-driven company that's transforming financial services while maintaining a strong focus on engineering excellence and technical innovation. If you're passionate about solving complex technical challenges while making a positive impact on consumers' financial lives, this role offers the perfect combination of technical depth and meaningful purpose.

Senior Backend Engineer role at Affirm focusing on scaling loan platforms and developing new financial products using Python, Kotlin, and distributed systems.

Senior Software Engineer, Backend (Loans Platform)

Affirm, a pioneering fintech company, is revolutionizing the credit industry by offering honest and friendly buy-now-pay-later solutions without hidden fees or compounding interest. They are seeking a Senior Software Engineer for their Loans Platform team, which is at the heart of their core loans products. 

The role presents an exciting opportunity to join during a period of exponential growth, where you'll be instrumental in scaling the product 100x and beyond. You'll be responsible for enhancing their loan products to make them more compelling and accessible to consumers. Working with a global engineering team, you'll lead technical initiatives, collaborate cross-functionally with product management and design teams, and help shape the future of financial services.

As a Senior Engineer, you'll be tasked with owning and delivering quarterly goals, leading engineers through complex problem-solving, and ensuring high-quality delivery. The position requires strong technical expertise in backend systems, with experience in languages like Python or Kotlin, and distributed systems using AWS, MySQL, and Kubernetes. You'll be responsible for creating and monitoring metrics, supporting on-call efforts, and fostering a culture of quality and ownership.

The company offers an impressive benefits package, including fully subsidized medical coverage for employees and dependents, flexible spending wallets for various needs, wellness days, and learning opportunities. Working in a remote-first environment, you'll be part of building a lasting financial services brand founded on honesty and trust. This role offers both technical challenges and leadership opportunities, making it ideal for engineers who want to make a significant impact in the fintech space.

Senior Backend Engineer role at Affirm, building and scaling loan platforms with Python/Kotlin, offering $111K-148K salary and comprehensive benefits.

Affirm, a pioneering fintech company, is revolutionizing the credit industry by providing honest and transparent buy-now-pay-later solutions without hidden fees or compounding interest. They are seeking a Senior Partner Engineer to join their remote team in the United States.

This role sits at the crucial intersection of technical expertise and partner relationship management. The ideal candidate will serve as a technical bridge between Affirm and its external partners, providing day-to-day support while driving larger strategic initiatives. You'll be responsible for leading the development of project plans, creating integration documentation, and serving as a subject matter expert for both internal and external stakeholders.

The position requires a unique blend of technical prowess and communication skills. You'll need to understand multiple programming languages, have experience with e-commerce technologies, and be well-versed in modern web technologies including REST APIs, webhooks, and frontend-backend integration patterns. Your 4+ years of experience in a customer-facing technical role will be essential in managing partner relationships and driving successful project outcomes.

Affirm offers an attractive compensation package with a base salary range of $142,000 - $210,000 (varying by location), plus comprehensive benefits including fully covered healthcare for employees and dependents, flexible spending wallets, and equity through their Employee Stock Purchase Plan. The company embraces a remote-first culture, providing flexibility while maintaining strong team collaboration.

This is an excellent opportunity for a technically skilled professional who enjoys working with partners and wants to make an impact in the fintech space. You'll be part of a mission-driven company that's transforming consumer banking while working with cutting-edge technologies and influential partners in the e-commerce space.

Senior Partner Engineer role at Affirm focused on supporting technical integration with external partners and driving solution design.

Senior Partner Engineer

Affirm is reinventing credit to make it more honest and friendly, offering buy now, pay later services without hidden fees. As part of the Consumer Payments team, you'll work on Affirm's Payment Processing Network, handling billions in annual payments. The role focuses on building high-throughput, highly available systems that scale with business growth.

You'll collaborate with teams across the US and Europe, developing features and improving key metrics to ensure users can pay conveniently while maintaining financial health. The position involves leading quarterly goals, guiding engineers through complex problems, and ensuring team support throughout delivery.

Key responsibilities include collaborating with product management and design teams, identifying and solving technical challenges, maintaining system availability, fostering quality standards, and developing team talent. You'll work with modern technologies like Python, Kotlin, AWS, MySQL, and Kubernetes to build robust distributed systems.

The role offers competitive compensation ($190,000 - $240,000 in CA, WA, NY, NJ, CT; $169,000 - $219,000 in other US states) plus equity and comprehensive benefits. Affirm provides a remote-first environment with excellent work-life balance, including generous time off and flexible spending wallets for various needs.

This is an excellent opportunity for experienced backend engineers passionate about building scalable financial systems while contributing to a mission of making credit more accessible and transparent for consumers.

Senior Backend Engineer role at Affirm focusing on consumer payments systems, building high-throughput payment processing networks handling billions in transactions.

Senior Software Engineer, Backend (Consumer Payments)

Fintech company reinventing credit to make it more honest and friendly, offering buy now pay later without hidden fees.

Affirm, a pioneering fintech company, is revolutionizing the credit industry by providing transparent, consumer-friendly payment solutions without hidden fees or compounding interest. As a Senior Software Engineer in the Developer Productivity team, you'll be at the forefront of enhancing the development experience for over 900 engineers in a hypergrowth environment.

The role sits within the Developer Productivity team, whose mission is to simplify and accelerate software development across Affirm. This team manages the entire development pipeline from local environments to production, including CI/CD pipelines, test automation frameworks, and dependency management. It's a high-leverage position with significant impact on engineering efficiency company-wide.

You'll need 4+ years of experience with backend systems, proficiency in Python or Kotlin, and extensive knowledge of AWS, Kubernetes, and distributed systems. The position requires strong technical leadership skills as you'll be responsible for delivering quarterly goals, leading engineers through complex problems, and ensuring high-quality deliverables.

The compensation is competitive, ranging from $169,000 to $240,000 depending on location, plus equity and comprehensive benefits. These include fully covered healthcare premiums for employees and dependents, flexible spending wallets for various needs, and an employee stock purchase plan.

Working at Affirm means joining a remote-first culture that values technical excellence and innovation. You'll be part of a team that supports critical infrastructure enabling hundreds of engineers to ship code quickly and safely. The role offers a unique blend of technical challenges, leadership opportunities, and the chance to impact a rapidly growing fintech company that's changing how people access credit.

This is an excellent opportunity for a senior engineer who enjoys working on developer tools and infrastructure, values technical excellence, and wants to make a significant impact on engineering productivity at scale. The role combines hands-on technical work with leadership responsibilities, making it ideal for someone looking to grow both their technical and leadership skills.

Senior Backend Engineer position focused on CI/CD and developer productivity at Affirm, working on tools and platforms that enable 900+ engineers to ship code efficiently.

Senior Software Engineer, Backend (CI/CD)

Affirm is revolutionizing the credit industry by providing honest and friendly buy-now-pay-later solutions without hidden fees or compounding interest. The Loan Originations & Reporting (LOR) team is at the heart of Affirm's operations, managing critical systems for loan booking, capital funding, and reporting globally.

As a Software Engineer II on the LOR team, you'll work on mission-critical processes where reliability and financial accuracy are paramount. The role offers a unique blend of technical and operational challenges, working with systems that handle loan origination, allocation, and reporting across Affirm's global operations.

The team culture emphasizes openness and collaboration, where engineers actively participate in architectural discussions, provide peer support, and engage in continuous improvement through direct feedback and retrospectives. You'll have the opportunity to own large-scale systems while receiving strong mentorship.

Working at Affirm comes with excellent benefits, including fully covered healthcare premiums for you and dependents, flexible spending wallets for technology and lifestyle needs, competitive vacation policies, and an Employee Stock Purchase Plan. The company maintains a remote-first culture, offering flexibility while occasionally requiring office presence for certain roles.

This role offers competitive compensation with base pay ranging from $160,000 to $210,000 in select states (CA, WA, NY, NJ, CT) and $142,000 to $192,000 in other US states. You'll be part of a team that values accountability, curiosity, and continuous learning, while working on systems that directly impact Affirm's core business operations.

Backend Software Engineer II position at Affirm focusing on loan originations and reporting systems, offering competitive pay and benefits with remote work options.

Software Engineer II, Backend (Loan Originations & Reporting)

Affirm, a pioneering fintech company, is seeking a Software Engineer II for their Furnishing Platform team. This role focuses on building scalable systems and data pipelines for consumer credit reporting, working at the intersection of financial technology and data engineering. The position offers a competitive salary range of €71,000 - €101,000 and includes comprehensive benefits. As a remote position based in Spain, you'll be part of a team that's vital to Affirm's mission of providing honest financial products. The role requires strong Python and SQL skills, experience with data pipelines, and 3+ years of software engineering experience. You'll work with modern technologies like Apache Spark and Airflow, collaborating across teams to build robust reporting systems. Affirm offers an inclusive work environment, comprehensive benefits including fully covered medical insurance, flexible spending wallets, and equity opportunities. This is an excellent opportunity for a mid-level engineer looking to make an impact in the fintech space while working remotely from Spain.

Software Engineer II position at Affirm, focusing on data pipeline development for consumer credit reporting, offering remote work in Spain with comprehensive benefits.

Software Engineer II (Furnishing Platform)

Affirm is seeking a Software Engineer II for their Consumer Authentication Engineering team, focusing on backend development. This role is crucial in providing a secure and seamless account creation and access experience for Affirm customers. The team's mission is to protect customer assets through security and fraud prevention measures while maintaining a frictionless user experience. The position involves working with Kotlin/Java, building distributed systems, and implementing security features to prevent account takeovers. The role offers competitive compensation ($142,000-$210,000) and comprehensive benefits including full healthcare coverage and equity opportunities. As a remote position, it provides flexibility while being part of a team that directly impacts customer security and satisfaction. The ideal candidate will have 2+ years of backend experience, strong technical skills in JVM languages, and a collaborative mindset. This is an excellent opportunity to work on critical authentication systems at a growing fintech company that's revolutionizing the credit industry with honest, customer-friendly solutions.

Backend Software Engineer II position at Affirm focusing on consumer authentication, security, and fraud prevention, offering competitive pay and benefits with remote work flexibility.

Software Engineer II, Backend (Consumer Authentication)

Affirm, a pioneering fintech company, is seeking a Staff Machine Learning Engineer to join their Portfolio ML team within the Decisions Foundations organization. This role presents an exciting opportunity to work at the intersection of machine learning and financial technology, helping to revolutionize the credit industry through honest and consumer-friendly solutions.

The Portfolio ML team plays a crucial role in managing and optimizing loan opportunities across Affirm's properties. They develop sophisticated models and tools for portfolio management that balance unit economics, product growth, and user experience. The team's work encompasses ROA-based decisioning, real-time conversion rate prediction, counterfactual portfolio simulation, and loan valuation.

As a Staff Machine Learning Engineer, you'll be responsible for setting technical strategy and leading critical, business-impacting projects. The role requires expertise in machine learning techniques such as Generalized Linear Models, Gradient Boosting, Deep Learning, and Probabilistic Calibration. Domain knowledge in credit risk and portfolio management is valued, though not required.

The position offers a competitive compensation package, including a base salary range of $200,000 - $275,000 (depending on location), equity rewards, and comprehensive benefits including fully covered medical insurance for employees and dependents. Affirm embraces a remote-first culture, offering flexibility and work-life balance while maintaining high standards of collaboration and technical excellence.

This role is ideal for an experienced engineer who excels in both technical leadership and cross-functional collaboration. You'll have the opportunity to shape the future of financial technology while working with cutting-edge machine learning applications in a mission-driven environment. The position requires strong communication skills and the ability to mentor team members while driving technical excellence and operational efficiency.

Staff Machine Learning Engineer role at Affirm focusing on portfolio management and ML model development for credit decisioning systems.

Staff Machine Learning Engineer (ML Portfolio)

Affirm, a innovative fintech company revolutionizing the credit industry, is seeking a Senior Software Engineer for their Comms Platform team. This role is crucial in managing essential services that handle transactional communications via email, SMS, and push notifications to customers. The position offers an exciting opportunity to work on high-priority initiatives including platform modernization, high availability, and internationalization efforts.

The ideal candidate will join a team focused on delivering critical communication services while maintaining high quality and reliability. You'll be responsible for leading engineers, owning quarterly goals, and ensuring seamless operations of communication systems. The role involves significant technical leadership, including system design, code review standards, and mentoring team members.

Working remotely from Spain, you'll be part of a global engineering team using modern technologies like Python, Kotlin, AWS, and Kubernetes. The compensation package is competitive, ranging from €85,000 to €115,000, plus equity and comprehensive benefits including fully subsidized medical coverage for employees and dependents.

This is an excellent opportunity for experienced engineers who want to make a significant impact in a growing fintech company while working with cutting-edge technologies and leading technical initiatives. The role combines technical expertise with leadership responsibilities, making it perfect for senior engineers looking to grow their careers while working on meaningful projects that directly affect millions of customers.

Senior Software Engineer position at Affirm, leading the Comms Platform team in developing and maintaining critical customer communication services, working remotely from Spain.

Affirm Engineering Jobs

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees or compounding interest.