# Senior Software Engineer
**Company:** [Sardine](https://hotfix.jobs/companies/sardine)
**Location:** Remote
**Salary:** $170K-$170K
**Experience:** 5+ years
**Skills:** Go, AWS, GCP, API Development, Backend Development, Cypress, Junit, Mockito
**Posted:** 2026-06-15
> Design and maintain high-performance Golang backend services on GCP and AWS for fraud prevention and AML compliance products used by banks and fintechs. Requires a Master's degree plus experience with banking APIs, fraud detection, and end-to-end testing.
## Job Description
## Responsibilities
- Design, implement, and maintain high-performance backend services built in Golang and deployed across Google Cloud Platform (GCP) and AWS, ensuring systems are robust and optimized for reliability and long-term maintainability
- Collaborate with business stakeholders for development of compliance-focused products used by banks, fintechs, and other financial institutions, including products focused on financial risk, reconciliation, and fraud detection
- Build and implement APIs for banking or payment systems
- Partner with cross-functional engineering and product teams to coordinate development efforts
- Develop, refine, and maintain user-facing technical documentation, ensuring clarity, accuracy, and accessibility to support users
- Own the full product lifecycle, including design, implementation, and end-to-end testing, using Cypress, Junit, or Mockito, ensuring reliable delivery, continuous improvement, and adherence to high quality standards throughout each development phase

## Requirements
- Master’s degree in Computer Science or related field
- 1 year of experience integrating/building APIs for banking or payment systems
- 1 year of experience building products focused on financial risk, reconciliation, or fraud detection
- 1 year of experience in web backend development
- 1 year of experience developing production applications using Go (Golang)
- 1 year of experience implementing end-to-end test automation using Cypress, Junit, or Mockito
- 1 year of experience with AWS Cloud
- 1 year of experience with core banking integrations

## Nice-to-Haves / Benefits
- Generous compensation in cash and equity
- Early exercise for all options, including pre-vested
- Work from anywhere: Remote-first Culture
- Flexible paid time off and Year-end break
- Health insurance, dental, and vision coverage for employees and dependents - US and Canada specific
- 4% matching in 401k / RRSP - US and Canada specific
- MacBook Pro delivered to your door
- One-time stipend to set up a home office — desk, chair, screen, etc.
- Monthly meal stipend
- Monthly social meet-up stipend
- Annual health and wellness stipend
- Annual Learning stipend
**Apply:** https://hotfix.jobs/jobs/senior-software-engineer-at-sardine-cf848983-906b-4810-ad79-0061dd62596a
**Canonical:** https://hotfix.jobs/jobs/senior-software-engineer-at-sardine-cf848983-906b-4810-ad79-0061dd62596a