Senior Software Engineer
Sardine
full-remoteseniorpermanentbackendfullstack United States 48 days ago via LinkedIn
170,000 - 170,000 USD/annual
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Go (Golang)Backend EngineeringAPI DevelopmentAWSGCPCypressJUnitMockitoFraud DetectionAML Compliance
About the role
Role Overview
Senior Software Engineer working in a remote-first environment to build and maintain high-performance backend services for compliance-focused fraud prevention products.
Responsibilities
- Design, implement, and maintain robust, high-performance backend services in Go (Golang).
- Deploy and operate services across Google Cloud Platform (GCP) and AWS, focusing on reliability and long-term maintainability.
- Collaborate with business stakeholders to develop compliance-focused products for banks and fintechs (e.g., financial risk, reconciliation, fraud detection).
- Build and implement APIs for banking and payment systems.
- Partner with cross-functional product and engineering teams to coordinate delivery.
- Create and maintain user-facing technical documentation.
- Own the full product lifecycle: design, implementation, and end-to-end testing using Cypress, JUnit, or Mockito.
Requirements
- Master’s degree in Computer Science (or related field).
- 1+ year of experience with:
- Integrating/building APIs for banking or payment systems
- Products focused on financial risk, reconciliation, or fraud detection
- Backend web development
- Building production applications using Go (Golang)
- End-to-end test automation using Cypress, JUnit, or Mockito
Nice-to-Haves / Additional Context
- Ability to coordinate cross-functional development efforts.
- Strong ownership mindset and preference for performance-based culture.
About Sardine
Sardine is a fraud prevention and AML compliance company providing a platform that stops identity, payment, and account-takeover fraud. Its technology uses device intelligence, behavior biometrics, machine learning, and AI, and is used by banks, retailers, and fintechs worldwide.
Scraped 6/16/2026