Software Engineer, Payments

Aiwyn

Software Engineer handling the payments platform for Aiwyn, a fast-growing SaaS startup. Building reliable money transfer systems and collaborating with industry experts.

Posted 7/2/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in software engineering with a focus on fintech and payments, showcasing the ability to build reliable systems and APIs while bridging technical and non-technical domains.

Highest-signal resume keywords

5+ Years Software Engineering ExperienceFintech ExperiencePayments ExperienceAPI DevelopmentAI-Native Fluency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringAPI DevelopmentFull Stack DevelopmentTechnical DepthSystem Reliability

Soft Skills

CollaborationDomain Bridging

Industry Keywords

FintechPaymentsCorrectnessDomain Expertise

About the role

Key responsibilities & impact

Build the systems that move money reliably
Work in the trenches with the domain experts
Build and extend the APIs that Aiwyn, firms, and partners build on top of
Take projects from spec to ship to scale

Requirements

What you’ll need

5+ years of professional software engineering experience
Hands-on technical depth in domains where correctness matters
Experience with fintech and payments
Demonstrated ability to bridge engineering and a non-engineering domain
AI-native fluency
Comfortable across the stack
Bonus: deeper fintech and/or payments experience

Benefits

Comp & perks

Competitive compensation and meaningful equity
Stock options
401(k) matching
Adventure Travel Stipend on each anniversary of your employment with Aiwyn