GrepJob
Kunai

Senior Software Engineer

Kunai
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about 4 hours ago
Remote, United StatesSenior
H1B Sponsor

Responsibilities

  • Design and execute enterprise-grade performance testing strategies for payment processing services.
  • Identify performance bottlenecks and drive measurable improvements.
  • Instrument and validate services running on Java, Oracle, Tomcat, and WebSphere.
  • Build and maintain full-stack backend services supporting card network integration.
  • Contribute to application modernization efforts by migrating services to cloud-native environments.
  • Participate in code reviews and architectural discussions.
  • Work with event-driven services to support data lifecycle and compliance requirements.

Requirements

  • 5+ years of professional software engineering experience, primarily in Java.
  • Strong working knowledge of relational databases, specifically Oracle and PostgreSQL.
  • Experience deploying services in containerized environments like OpenShift or Kubernetes.
  • Familiarity with legacy enterprise application servers such as Tomcat and WebSphere.
  • Experience with enterprise-level performance testing engagements.
  • Background in digital payments or financial services technology is preferred.
  • Strong written and verbal communication skills.

Benefits

  • Competitive compensation.
  • Professional development opportunities.
  • Flexible work arrangements.