Kotlin Jobs in Web3

THE WORK

At Ripple, the Customer Onboarding Platform is where every customer’s journey begins, and it’s about to get a full-scale rebuild.

We recently became a horizontal platform team serving all Ripple products. Our next chapter:

• Unwinding years of Salesforce-bound logic into modern, engineering-owned backend services.
• Integrating best-in-class vendors like Persona for KYC/KYB, while building the surrounding orchestration, data flows, and service layer.
• Designing the systems and data model that will make onboarding scalable, observable, and reliable across products.

If you’re a Senior engineer who thrives on modernizing fragile systems, building robust services around vendor integrations, and driving architecture at company-wide scale, this is your opportunity.

Why this role matters:

Onboarding is where customers form their first impression of Ripple, and where trust is earned. As the technical anchor for a small, high-impact team, you will:

• Build for impact – Everything you create will serve multiple Ripple products, from Payments to Custody to Stablecoin.
• Start from zero – Design and build new backend services from the ground up to power onboarding across products.
• Tackle the hard stuff – Unwind years of technical debt while designing systems built to last.
• Shape Ripple’s architecture – Partner with Product, Compliance, and Engineering to influence company-wide technical direction.
• Scale the right way – Mentor engineers and grow a high-performing team, with direct executive backing.

This isn’t just about writing code, it’s about designing how Ripple’s onboarding platform will work for years to come.

WHAT YOU'LL DO

• Lead the design and development of distributed, cloud-native backend services that power onboarding across Ripple’s product suite.
• Partner with Product, Compliance, and other engineering teams to design scalable orchestration and data pipelines.
• Migrate core onboarding logic out of Salesforce into resilient, observable services and a dedicated persistence layer.
• Build platform capabilities that enable faster onboarding with fewer customer touchpoints, while preserving trust and compliance.
• Contribute to foundational data modeling work that will feed into Ripple’s future identity platform (while ownership of Identity will move to a dedicated team).
• Champion engineering excellence in code quality, testing, and operational practices.
• Mentor engineers and help grow a lean, high-impact team.

WHAT YOU'LL BRING

• Deep full stack engineering experience in modern, cloud-native, distributed systems.
• Proven track record designing and delivering large-scale systems in complex environments.
• Strong API design and integration skills (REST and/or gRPC).
• Exposure to frontend frameworks (React, Vue, etc.) for full-stack capability.
• Experience with cloud platforms (AWS preferred) and container orchestration (Kubernetes, ECS).
• Comfort navigating and reducing technical debt while delivering business value.
• Leadership skills: can set technical direction, mentor others, and influence cross-team decisions.

Preferred (But Not Required)

• Experience with our current stack: Java + Spring Boot.
• We welcome candidates from other backend stacks (Go, Kotlin, C#, Python, Rust, etc.) who can quickly learn JVM technologies.
• Event-driven architecture (Kafka, SNS/SQS, etc.).
• Domain knowledge in fintech, regtech, KYC/KYB, identity verification, or compliance-heavy systems.

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