Kotlin Developer - Remote (UTC+8)

About the role

Salmon is a fintech company building a banking and lending platform across Southeast Asia, starting in the Philippines. As a remote Kotlin developer (UTC+8, core collaboration hours 13:00-19:00 Manila time), you will design, build and scale the core banking and partner platforms, including the APIs, integrations and shared components used by other engineering teams.

Key responsibilities

• Work on high-load, mission-critical systems affecting live banking and lending products.
• Build on a modern JVM stack (Kotlin, Ktor, jOOQ, coroutines, Arrow) running in Docker and Kubernetes on AWS.
• Influence architectural decisions on shared platform components used across the company.
• Design and evolve banking APIs for mobile apps and internal and external services.
• Build scalable backend services in Kotlin and modern JVM technologies.
• Develop public APIs, internal SDKs and shared platform components.
• Implement high-performance integrations with partners and third-party systems.

Required profile

• 5+ years in the JVM ecosystem, with strong expertise in Kotlin or Java.
• Deep understanding of concurrency and asynchronous programming.
• Experience designing systems with clean architectures such as DDD and event-driven approaches.
• Solid knowledge of distributed systems and their trade-offs.
• Hands-on experience with Docker and Kubernetes, preferably in an AWS environment.
• Readiness to work primarily in Kotlin.

What we offer

• Stock option plan with four-year vesting and a 25% cliff after the first year.
• Fully remote work with core collaboration hours 13:00-19:00 Manila time.
• Company-provided tools and equipment.
• Medical insurance support for you and your family, and access to an internal mental health support specialist.
• 22 vacation days, Philippine public holidays and 15 sick days.
• Internal expert meetups, conferences, speaking opportunities and company-sponsored trips to Manila; high-performing teams can earn a dedicated beach house week in Southeast Asia.