Senior Software Engineer - Money Movement

About the role

The Senior Software Engineer on the Money Movement - Innovation team will build the systems behind NMI's bank-to-bank payments: public APIs, internal tools, and third-party integrations, using Scala, TypeScript, and C#, with TDD and containerized microservices on AWS (Docker, Lambda, ECS).

Responsibilities

• Design and develop applications in Scala, TypeScript, and C#.
• Use AI-first tools like Claude Code to research approaches, generate code, and strengthen review and testing.
• Owning code quality and production issues: reviews, bug reports, and troubleshooting.
• Translate business needs into technical solutions with stakeholders and your team.
• Participate in agile ceremonies (refinement, planning, standups, retros) and help improve how the team works.
• Apply system design expertise across messaging (RabbitMQ), data at scale (SQL, S3), database/caching (RDS, Redis, DynamoDB), and CI/CD (Git, Jenkins, CloudFormation, Terraform).

Qualifications

• Strong grasp of programming languages, techniques, security, and architecture.
• Experience with AI-first coding tools (e.g., Claude Code, Codex, Copilot).
• Experience mentoring and participating in code reviews.
• 4+ years developing applications with object-oriented or functional languages.
• Bachelor's degree in Computer Science (or related field), or 4+ years of additional equivalent experience.

Preferred Qualifications

• Working knowledge of distributed system design: event-driven microservices, containerized apps, service discovery.
• Experience with Agile practices.
• Experience with TDD and Continuous Integration.
• Experience with paired programming or mobbing.
• Experience with Scala, cats, or other functional programming tools and libraries.
• Experience building and sharing AI skills or similar.
• Exposure to ACH, payments, or other reliable/secure systems.

Benefits

• Competitive salary + bonus.
• A remote first culture!
• Flex PTO.
• Health, Dental and Vision Insurance.
• 13 Paid Holidays.
• Company volunteer days.