Senior Software Engineer - Backend - Growth Platform

Kraken is a mission-focused company rooted in crypto values, aiming to accelerate the global adoption of crypto. The Senior Software Engineer within the Growth Platform team will design and maintain internal tooling, services, and developer platforms to empower teams and enhance their efficiency.

Responsibilities:

• Architect, build, and maintain SDKs, CLIs, APIs, and shared services that enable rapid experimentation and delivery across Growth engineering teams
• Develop internal tools and frameworks that improve engineering workflows, automation, and deployment efficiency
• Design and evolve scalable backend systems and databases, ensuring performance, security, and resilience
• Write clear, maintainable technical documentation and onboarding materials for engineers using platform tools
• Partner with other engineers to understand pain points and translate them into intuitive, reliable internal systems
• Own reliability, observability, and performance improvements across core services
• Collaborate with infrastructure and platform teams across the company to align on standards, tooling, and best practices
• Mentor engineers and advocate for engineering excellence, automation, and maintainability

Requirements:

• 5+ years of software engineering experience, including building and maintaining backend systems or developer-facing tools
• Proficiency in building scalable applications and developer tooling using one of the following: TypeScript, Rust, Go, Python, or Ruby
• Experience designing and maintaining APIs, SDKs, or internal services consumed by other engineering teams
• Understanding of distributed systems, scalability, reliability, and secure software design
• Experience with infrastructure and tooling such as Docker, Kubernetes, Terraform, MySQL/MariaDB, Redis, or GitLab CI/CD
• Strong communication and documentation skills — you can make complex systems approachable to other developers
• Ability to operate autonomously in a globally distributed, remote-first environment
• Familiarity with React or React Native, especially when building front-end SDKs or shared components
• Experience building internal developer platforms or frameworks used across multiple teams
• Background in observability, reliability engineering, or service instrumentation
• Experience driving technical design across large codebases or multi-team environments