Staff Software Engineer, Backend (Online Storage)

Posted 2 Hours Ago
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Hiring Remotely in Canada
Remote
181K-241K Annually
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
We create honest financial products that improve lives. Ready to make a difference?
The Role
Lead technical strategy and roadmap for Affirm's Online Storage platform. Design and build scalable, multi-region datastore solutions, automation control planes, and operational tooling for hundreds of databases. Drive cross-team collaboration, reliability, monitoring, and mentor engineers while delivering high-impact backend and database features.
Summary Generated by Built In

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 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 Online Storage team provides a set of managed databases as a platform, used to persist data for all Affirm services. Our platform enables self-service access to OLTP storage systems, including Relational DB(MySQL), DynamoDB, Distributed SQL, Cache(Redis). As a team, we are responsible for various data and access patterns, including but not limited to mission-critical financial transactional data, data science models, and any new persistence use case. These responsibilities require us to learn and gain deep expertise in various database systems. 

We are looking for a highly skilled and detail-oriented Staff Software Engineer who can drive the technical roadmap for our Databases (Relational and KeyValue) identifying opportunities to improve how we build, productize, operate and improve this mission-critical infrastructure to unlock substantial value within our business. You’ll have the opportunity to directly influence your team’s roadmap in close collaboration with your peers, share your knowledge and expertise with others and learn from some of the best on our shared mission to deliver honest financial products that improve lives.
What You'll Do

As an integral member of the Online Storage team, 

  • You will be responsible for setting technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projects.

  • You will work closely with and contribute to other teams - including product, infrastructure, and site reliability engineering (SRE).

  • You will design and build components of a scalable datastore platform, contributing to the overall Affirm's goals, and leveraging experience in creating multi-region, horizontally scalable, globally available, and high-performance datastore solutions. 

  • You will develop control planes for management, self service of hundreds of databases at scale automating schema/data migrations, disaster recovery, sharding and performance tuning.

  • You will collaborate across teams in the product development lifecycle, focusing on database solutions, by collaborating with product management, design & analytics to ensure technical sustainability, risks and trade-offs are well understood and managed.

  • You will act as a force-multiplier for your team through your definition and advocacy of technical solutions and operational processes.

  • You take ownership of your team’s operations and availability by ensuring you have the right monitoring, triage rotations, playbooks, policies, testing and alerting in place to support “keep the lights on” & on-call efforts.

  • You will foster a culture of quality and ownership on your team by setting 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 8+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.

  • You have an extensive track record of developing highly available distributed systems using technologies like AWS, MySQL, Spark and Kubernetes.

  • You have 5+ years of hands-on Database Expertise, leveraging your deep knowledge of Relational and/or Distributed SQL such as MySQL, PostgreSQL, TiDB/Vitess  to optimize database performance, ensuring data integrity, and implementing efficient data access patterns. Should possess deep understanding of Database fundamentals including schema design, query optimization, scaling, partitioning, sharding and performance tuning in multiple functional environments. Strong background and expertise in building and operating databases in cloud environments. Expertise in database benchmarking, load testing, and capacity planning. Familiarity with connection poolers and proxies such as ProxySQL, RDS Proxy, Pg Bouncer, etc.

  • You have experience delivering major features, system components or deprecating existing functionality in a system through the definition of a technical and execution plan. You write high quality code that is easily understood and used by others.

  • You thrive in ambiguity, and are comfortable moving from low level language idioms all the way to the architecture of large systems to understand how they work.

  • Your growth and impact trajectory demonstrates that you have mastered gathering and iterating on feedback from your engineering and cross-functional peers.

  • 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.

Pay Grade - P
Equity Grade - 7
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: $181,000 - 241,000 CAD
This posting is for an existing vacancy.

#LI Remote 

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.

Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.

We’re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include: 

  • Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents 
  • Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
  • Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
  • ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount

We believe It’s On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.

[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, Affirm will consider for employment qualified applicants with arrest and conviction records.

By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.

Skills Required

  • 8+ years designing, developing, and launching backend systems at scale using languages like Python or Kotlin.
  • Extensive experience building highly available distributed systems using AWS, MySQL, Spark, and Kubernetes.
  • 5+ years hands-on database expertise with Relational and/or Distributed SQL (MySQL, PostgreSQL, TiDB, Vitess).
  • Deep understanding of database fundamentals: schema design, query optimization, scaling, partitioning, sharding, and performance tuning.
  • Experience building and operating databases in cloud environments.
  • Expertise in database benchmarking, load testing, and capacity planning.
  • Familiarity with connection poolers and proxies such as ProxySQL, RDS Proxy, Pg Bouncer.
  • Proven experience delivering major features or deprecating functionality through technical and execution plans.
  • Strong verbal and written communication skills for collaboration across global engineering teams.
  • Bachelor's degree in a related field or equivalent practical experience.

What the Team is Saying

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Jerry
Adam
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Affirm Compensation & Benefits Highlights

  • Healthcare Strength Healthcare coverage is described as comprehensive with medical, dental, vision, robust mental health support, and $0‑premium plan options in some cases. Inclusive offerings such as abortion travel and transgender healthcare further reinforce breadth of care.
  • Parental & Family Support Paid parental leave of 18 weeks for both birth and non‑birth parents, plus a four‑week return‑to‑work transition, is prominently featured. Family‑forming support includes fertility and adoption assistance alongside a $20,000 wallet for surrogacy, adoption, fertility treatments, and egg freezing.
  • Leave & Time Off Breadth Time off is presented as generous, with flexible PTO, Health Days, and “Life Happens Leave,” plus company‑wide Away Days. Paid holidays were expanded substantially to ensure regular three‑day weekends and collective recharge periods.

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The Company
HQ: San Francisco , CA
2,200 Employees
Year Founded: 2012

What We Do

At Affirm, we help people say yes to the things that matter with flexible, transparent ways to pay over time. No hidden fees, no compound interest, and no fine print—just a smarter way to spend.

Why Work With Us

Who is an Affirmer? /noun/ Someone who believes finance shouldn’t be complicated. We come from a diverse set of backgrounds and we’re driven by the desire to improve lives through honest financial products. We define success by challenging one another to bring our best ideas to every single project—and we have fun while doing it.

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Affirm Offices

Remote Workspace

Employees work remotely.

Affirm is a remote-first company! Our employees can work anywhere in the U.S. but if an office is more your style, we have office locations in San Francisco, Chicago, New York City, and Pittsburgh.

Typical time on-site:
HQSan Francisco, CA
Spain
United Kingdom
Chicago, IL
New York, NY
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Warsaw, PL
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