Software Engineer II, Backend

Role overview Help build backend services for a unified payment processing platform used across multiple payment channels and methods. The work spans feature design and implementation, quality checks, customer rollouts, and coordination with product, design, and engineering partners. East Coast working hours are required.

Responsibilities - Design and deliver backend features for payment products. - Build automated tests to maintain the quality of released code. - Roll out features to customers and monitor how they perform. - Collaborate with product and user experience partners to define and refine features. - Coordinate with other teams and participate in design and code reviews with experienced engineers.

Requirements - At least two years of experience designing and implementing robust backend services with Kotlin. - Ability to build scalable, secure APIs that integrate with internal and external systems. - Knowledge of API lifecycle practices, including versioning, documentation, and deprecation. - Familiarity with Kotlin frameworks and libraries for backend development. - Experience with microservices and containerization. - Availability to work East Coast hours.

Nice to have - Experience with DynamoDB. - Java experience and willingness to work in Kotlin. - Familiarity with AI-supported software development tools and workflows.

Benefits and work setup The role uses a hybrid work model, with in-person expectations varying by region. Compensation includes a geographic base salary range: Zone A $133,000–$213,000; Zone B $115,000–$184,000; Zone C $104,000–$166,000. Additional compensation may include overtime, bonus or commissions when eligible, equity, and benefits.