Senior Software Engineer, Backend (ML Training and Serving)

Affirm, Inc.; Newfoundland and Labrador; Híbrido; CAD 218 000 - 304 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health coverage for dependents

Monthly tech stipend

Generous time off

ESPP

Resumo da oferta

Affirm, Inc. is seeking a Senior Software Engineer to lead backend systems for ML training and serving, working on scalable distributed infrastructure in a remote Canada setting. The role emphasizes ownership, collaboration with product and analytics, and delivering high-quality code.

Ideal candidates have 4+ years in backend design and deployment, with experience in AWS, MySQL, and Kubernetes, and a track record of building reliable platforms that empower teams across the company to move faster.

Qualificações

• 4+ years of experience designing, developing and launching backend systems at scale.
• Experience building highly available distributed systems with AWS, MySQL, and Kubernetes.
• Ability to create and execute a technical plan for delivering significant features with clean, extensible design.
• Proven capability to make large, safe changes in a big codebase with tooling to support it.
• Demonstrated ownership of growth through seeking feedback from team and stakeholders.
• Strong verbal and written communication for collaboration with a global engineering team.

Responsabilidades

• Own and deliver quarterly goals for the team and guide engineers through ambiguity to deliver results.
• Collaborate with product, design, and analytics to ideate, constrain technical scope, and trade off risks.
• Identify and drive resolution of project, process, or technology issues.
• Maintain operations and availability of team artifacts by monitoring metrics and supporting on-call efforts.
• Promote quality and ownership by setting code review and design standards across the team.
• Mentor teammates and lead by example to develop talent on the team.

Conhecimentos

Python/Kotlin

Distributed systems

AWS

MySQL

Kubernetes

Ownership

Communication

Descrição da oferta de emprego

Senior Software Engineer, Backend (ML Training and Serving)

Remote Canada

At Affi, 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.

About the team

Machine Learning is central to how affirm delivers on its mission, powering decisions across underwriting, fraud, servicing, and personalization. We are seeking a Senior Software Engineer to join our ML Training & Serving engineering team, the team that builds and operates the critical infrastructure that enables models to be trained and served across affirm.

This role sits at the intersection of distributed systems, ML infrastructure, and platform engineering. We value engineers who listen closely, invite feedback, and work effectively across organizational boundaries, while maintaining a high bar for ownership, technical judgment, and execution. Strong candidates care about building reliable shared platforms, improving developer velocity, and creating durable systems that enable teams across the company to move faster with confidence.

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.
• 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.
• Experience training and deploying models for production is a nice to have.

Base 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 monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by affirm Holdings, Inc. (parent company).

CAN base pay range per year: $153,000 - $213,000

Location - Remote Canada

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.

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

• Health coverage at no cost: We cover 100% of premiums for employees and their dependents.
• Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you.
• Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to.
• Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy affirm stock at a discount.

We’re committed to providing an inclusive interview process, including accommodations for candidates with disabilities. If you need support, we’re happy to help.

For positions based in San Francisco or Los Angeles: affirm considers qualified applicants with arrest and conviction records, as required by law.