Senior Staff Backend Engineer — AI-Driven FinTech, Remote

Affirm, Inc.; Las Vegas (NV); Remote; USD 236,000 - 325,000; Full time

Benefits offered by this job

Health coverage and benefits

Stipends for tech setup and wellness

Flexible time off

Employee stock purchase plan

Job summary

Affir is seeking a Senior Staff Software Engineer to define the technical direction for our Cards platform and lead cross-functional teams to deliver scalable, reliable solutions. You will drive AI-enabled initiatives, mentor engineers, and collaborate with stakeholders to align technical strategy with business outcomes.

You will partner with engineering leaders to shape architecture across full-stack teams, champion best practices, and push for high-quality delivery while maintaining a

Qualifications

• 10+ years of experience across the stack, driving architectural improvements in the backend.
• Experience driving change across large engineering organizations.
• Track record of leading critical projects across engineering teams.
• Extensive experience developing and implementing technical strategy that improved reliability and responsiveness.
• Ownership mindset and ability to influence culture.
• Collaborative partnership across engineering teams and stakeholders.
• Experience mentoring engineers up to Staff level.
• Strong written and verbal communication skills for stakeholders.

Responsibilities

• Define the technical direction, long-term roadmap, and strategic initiatives in Cards.
• Lead from the front using AI to build fast and improve processes.
• Stay close to FinTech industry trends to inform the team.
• Collaborate with all teams to drive technical excellence and business results.
• Create ownership culture with accountability and scale-focused investments.
• Architect and decide on platforms, tools, and technologies for reliability.
• Mentor and grow engineers through best practices.

Skills

JavaScript

Kotlin

React Native

Leadership

Cross-functional collaboration

Education

Bachelor's degree or equivalent practical experience

Job description

Affir is seeking a Senior Staff Software Engineer to define the technical direction for our Cards platform and lead cross-functional teams to deliver scalable, reliable solutions. You will drive AI-enabled initiatives, mentor engineers, and collaborate with stakeholders to align technical strategy with business outcomes.

You will partner with engineering leaders to shape architecture across full-stack teams, champion best practices, and push for high-quality delivery while maintaining a