What is the salary for this role?

Affirm has not stated compensation in the listing. Check the original posting or ask during the application process.

Is the Senior Software Engineer, Backend (lakehouse Infra) position remote, hybrid or onsite?

The listing marks this role as remote, with Remote Canada as the location.

What is the application deadline?

Affirm has not listed a fixed deadline, so apply early in case the opening is filled.

How do I apply for the Senior Software Engineer, Backend (lakehouse Infra) role?

Use the Apply button on this page. It opens the original listing on job-boards.greenhouse.io, where you submit your application with the company.

Greenhouse · Posted 13 Oct 2026

full-time

Senior Software Engineer, Backend (lakehouse Infra)

Affirm · Remote Canada

Affirm is a financial technology company that provides transparent payment solutions for consumers. The Lakehouse Infra team is tasked with building and maintaining the data infrastructure that supports the company's batch and analytics ecosystems, including critical loan movement and financial engineering workloads. As a Senior Software Engineer, you will lead technical initiatives to scale data storage and processing frameworks, ensuring high availability and reliability. Your day-to-day responsibilities will include designing and implementing distributed systems, mentoring junior engineers, and collaborating with product and analytics teams to define technical roadmaps. You will also be expected to manage the operational health of data artifacts, participate in on-call rotations, and drive improvements in code quality and system architecture. This role is well-suited for an experienced backend engineer with a strong background in distributed systems, cloud infrastructure, and big data technologies. Candidates should have a proven track record of scaling complex systems and a proactive approach to solving technical ambiguity. This is a fully remote position available to residents of specific Canadian provinces.

backend engineeringdata infrastructuredistributed systemslakehouse architecturecloud computingdata engineeringsenior software engineerfintech

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Data and Storage Services team is responsible for Affirm's data infrastructure across OLTP and OLAP systems, spanning critical online checkout databases, batch orchestration, streaming infrastructure, event-driven frameworks, BI, analytics tooling, large-scale data platforms, and agentic data tools such as semantic layers and internal platform data applications. Our mission is to provide trustworthy, intuitive, and cost-efficient solutions for Affirmers to secure, store, analyze, and transform data at exceptional scale. The vision for the Lakehouse Infra team is to provide reliable, scalable, self-serve and Affirm-optimized offline data access to enable ML, Product, and Financial Engineering success. Our team is responsible for hosting the data infrastructure that serves as a backbone for processing various business critical money and loan movement workloads at Affirm across our batch and analytics ecosystems. Affirm is growing rapidly and so is the need for reliable and high availability frameworks. If solving data lake challenges at scale excites you, come join us! What you’ll do You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. You 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” & on-call efforts. You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks. You will help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For: You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin. You have a track record of developing highly available distributed systems using technologies like AWS, MySQL, and Kubernetes. Experience scaling relevant technologies such as Iceberg, Flink, Airflow, Spark, Kafka, Snowflake, and Terraform. You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by others. You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely. Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders. You have strong verbal and written communication skills that support effective collaboration with our global engineering team. This position requires either equivalent practical experience or a Bachelor’s degree in a related field. This remote role is open only to candidates residing in Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, or Saskatchewan. Pay Grade - N Equity Grade - 6 Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills. Base pay is part of a total compensation package that may include equity rewards, monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.) CAN base pay range per year: $ 153,000 - $ 213,000 CAD. This posting is for an existing vacancy. #LI-Remote Remote-first with flexibility built in Affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience. Benefits designed for you Our benefits reflect our commitment to care, transparency, and flexibility. Here are a few highlights: Health coverage at no cost: We cover 100% of premiums for employees and their dependents. Spending

Role	Senior Software Engineer, Backend (lakehouse Infra)
Company	Affirm
Location	Remote Canada
Type	full-time
Compensation	Not disclosed
Posted	2026-10-13
Deadline	Rolling

Typical process for this type of role

A general guide — the exact steps for this specific listing may vary; check the original posting for details.

1ApplicationSubmit your resume through the apply link.
2ScreeningRecruiter reviews your background against the role.
3AssessmentA technical test, assignment, or coding round, depending on the role.
4Interview(s)One or more rounds with the hiring team.
5OfferOffer letter with compensation and start date.

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