Senior Backend Engineer

Who we are:

Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real\time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one of the fastest-growing fraud consortiums in the market, spanning more than\6\billion profiled devices, 800 million consumers, and 3 million businesses worldwide. Leading companies including FIS, GoDaddy, Intuit, Edward\ Jones, ZoomInfo, and Checkout.com rely on Sardine to secure and grow trust in their products.

Our culture:

• We have hubs in the Bay Area, NYC, Austin, Toronto, and São Paulo. However, we maintain a remote-first work culture. #WorkFromAnywhere
• We hire talented, self-motivated individuals with extreme ownership and high growth orientation.
• We value performance and not hours worked. We believe you shouldn't have to miss your family dinner, your kid's school play, friends get-together, or doctor's appointments for the sake of adhering to an arbitrary work schedule.

Location: Remote - Brazil

To be considered for this position, you must reside in one of the following cities:

• São Paulo: São Paulo, Campinas, São José dos Campos
• Rio de Janeiro: Rio de Janeiro
• Minas Gerais: Belo Horizonte
• Paraná: Curitiba
• Santa Catarina: Florianópolis

About the Role:

As a backend-focused Senior Software Engineer, you will play a pivotal role in designing, constructing, and maintaining APIs, services, and systems across our engineering team. This multifaceted position involves developing new features on a large scale, refining internal tooling and processes, contributing to product and technical roadmaps, and assuming diverse responsibilities within the organization. The ideal candidate for the backend role will have a proven track record in building highly available APIs, with additional proficiency in data pipelines and the relevant domain.

What you'll be doing:

• Design, create, and maintain robust, efficient, and reliable backend services to meet our platform's evolving needs.
• Collaborate closely with business stakeholders to architect and implement new services from inception to delivery.
• Contribute to developing new features and capabilities that deliver substantial value to our customers.
• Work with various engineering and product teams to synchronize efforts and deliver cutting-edge solutions.
• Craft and maintain user‑facing technical documentation, enhancing user understanding and facilitating seamless adoption of our services.
• Play a pivotal role in shaping our company's engineering culture, ensuring the maintenance of high engineering standards across the organization.

What you’ll need:

• 7+ years of proven experience as a Software Engineer specializing in web backend development.
• Proficiency in Golang is a significant advantage.
• Additional experience in data engineering is highly desirable.
• A track record of successfully delivering high-quality production services and systems.
• Customer‑centric approach with a strong emphasis on empathy towards users.
• Relevant industry experience, particularly in banking or fintech, and domain knowledge in fraud prevention or compliance.
• Proficient in English – from casual chats to formal reports.

Technologies we use:

• TypeScript (React + node)
• Golang
• Ruby
• Bigtable
• Postgres / PostgreSQL
• GCP dataflow (apache beam)
• BigQuery
• Python
• Java
• Terraform

Benefits we offer:

• 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

Join a fast‑growing company with world‑class professionals from around the world. If you are seeking a meaningful career, you found the right place, and we would love to hear from you.

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