Senior Fullstack Engineer

At Koalafi, we believe in a world where no one has to put an important purchase on hold. We're seeking a talented Engineer to join Koalafi and lead our newly formed Customer Servicing SWAT team.

Requirements

• 4+ years of professional experience in systems development with experience modernizing or migrating legacy systems in production environments.
• Proficiency in Golang: Strong experience developing backend services, APIs, and financial systems using Golang in production environments.
• Legacy System Experience: Ability to read, understand, and analyze C#/.NET codebases to extract business logic and identify service boundaries in complex monoliths.
• React/TypeScript Experience: Experience building frontend applications and customer-facing interfaces using React and TypeScript.
• Cloud Experience: Strong familiarity with AWS services and cloud-native architectures, with experience in containerization and modern deployment practices.
• Strong Testing Practices: Experience with automated testing strategies for both legacy system integration and new service development, including contract testing and data validation.
• Migration Expertise: Experience with gradual system migrations, feature flags, and strategies for maintaining system availability during modernization efforts.
• AI Development Enthusiasm: Interest in leveraging AI tools to accelerate legacy code analysis, service extraction, and development productivity.
• Excellent Communication: Strong ability to collaborate with stakeholders while managing the complexity of legacy system modernization and business continuity requirements.
• Problem-Solving Skills: Ability to troubleshoot complex financial systems issues and design resilient architectures that handle high-value transaction processing

Benefits

• Comprehensive medical, dental, and vision coverage
• 20 PTO days + 11 paid holidays
• 401(k) retirement with company matching
• Student Loan & Tuition Reimbursement
• Commuter assistance
• Parental leave (maternal + paternal)
• Inclusion and Associate Engagement Programs