Senior Software Engineer, Payments

Responsibilities

• Prototype and implement scalable, performant software solutions for cross-border payment transactions.
• Design and deliver complex features within large-scale, regulated systems.
• Build and operate cloud-native, highly available distributed backend systems.
• Define clear, reusable API service contracts and integrations.
• Navigate and reduce technical debt while managing feature-level migration efforts.
• Own technical delivery for complex features and influence local and cross-team engineering decisions.
• Provide technical guidance, mentorship, and knowledge sharing to engineers.
• Encourage engineering standards and collaborate with product, legal, and business development teams.

Requirements

• At least 5 years of software engineering experience with a deep focus on backend systems.
• Deep hands-on experience building and operating modern, cloud-native, highly available distributed systems.
• Proven experience designing and delivering complex features in large-scale, complex, regulated environments.
• Strong understanding of distributed systems architectures, trade-offs, and payment transaction challenges.
• Excellent understanding of Java and its ecosystem, including threading and concurrency.
• Strong API design and integration skills, including REST and/or gRPC.
• Experience with cloud platforms, preferably AWS, and container orchestration technologies such as Kubernetes and ECS.
• Demonstrated technical ownership and ability to influence cross-team decisions.
• Preferred experience with Java and Spring Boot.
• Candidates with Go, Kotlin, C#, Python, or Rust experience may be considered if they can learn JVM technologies quickly.
• Preferred experience with event-driven architecture and Kafka, SNS, or SQS.

Benefits

• Professional development budget and learning opportunities.
• Flexible in-office collaboration, with managers and teams deciding which 10+ days per month employees come in.
• Competitive benefits covering physical and mental healthcare, retirement, family forming, and family support.
• Employee giving match and mobile phone stipend.
• R&R days, generous vacation, wellness reimbursement, and onsite and virtual wellness programming.
• Industry-leading parental leave and family planning benefits.
• Catered lunches, fully stocked kitchens, team offsites, team bonding activities, happy hours, and other events.
• Benefits listed apply to full-time employees.