Remote Senior Support Engineer — FinTech APIs

Sardine; Polska; Remote; PLN 389,000 - 544,000; Full time

Benefits offered by this job

Remote-first culture

Health, dental & vision coverage

MacBook Pro delivered

Home office stipend

Meal stipend

Learning stipend

401k/retirement matching (US/Canada)

Job summary

Sardine is a leading agentic risk platform helping organizations combat financial crime with a scalable API-driven solution. We are seeking an experienced Support Engineer to own the customer support experience end-to-end, interfacing with customers, providers, and engineering teams.

You’ll troubleshoot complex technical issues, document solutions, and collaborate to improve tools and documentation, while thriving in a remote-first, fast-paced environment with global time zones.

Qualifications

• Experience in technical support or solutions engineering roles in a SaaS environment.
• Strong problem-solving and documentation skills.

Responsibilities

• Be the first point of contact with customers via multiple channels and gather requirements.
• Own, triage, and troubleshoot complex technical issues independently.
• Develop knowledge of Sardine APIs, SDKs, and underlying tech to support customers effectively.
• Create and maintain helpful tools and documentation to improve team efficiency.
• Escalate issues to engineering with clear reproduction steps and context.
• Collaborate with customers to tailor solutions and ensure success.

Skills

English fluency

5+ years experience

Web technologies

APIs

Cloud infrastructure

SQL proficiency

REST API know‑how

B2B SaaS experience

Fintech/compliance insight

Independent work

Tools

Postman

Job description

Sardine is a leading agentic risk platform helping organizations combat financial crime with a scalable API-driven solution. We are seeking an experienced Support Engineer to own the customer support experience end-to-end, interfacing with customers, providers, and engineering teams.

You’ll troubleshoot complex technical issues, document solutions, and collaborate to improve tools and documentation, while thriving in a remote-first, fast-paced environment with global time zones.