Senior Software Engineer - Backend - Growth Platform

Kraken

The team

The Growth Engineering team builds the experiences that connect people to our ecosystem for the first time and keeps them coming back. We design and ship the systems behind our marketing funnels, signup and KYC flows, and the key engagement features that help new users fund their accounts and explore our products. It s a team with direct influence on company growth, global reach, and user engagement at scale. Our products serve millions of users globally.

How We Work

• We give engineers ownership and trust them to ship high-impact work with craftsmanship and accountability.

• We move quickly, experiment often, and learn fast from data and feedback.

• We work asynchronously across time zones, supporting each other with open communication and shared goals.

Why This Role Matters

You ll help define the foundation on which Growth Engineering and the company build. Your tools and systems will accelerate development across multiple teams, ensuring reliability and scalability for products that serve millions globally. If you re passionate about creating elegant, powerful developer experiences and using engineering craft to drive real business impact, you ll thrive here.

The opportunity

As a Senior Software Engineer within the Growth Platform team, you ll design and maintain the internal tooling, services, and developer platforms that empower teams across Growth and beyond to move faster and ship more reliably. You ll build SDKs, CLIs, APIs, and backend systems that make it easy for engineers to integrate growth features and infrastructure safely, consistently, and at scale. This role is for engineers who see developer experience, reliability, and scalability as multipliers for business impact.

• 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.

Skills you should HODL

• 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.

• Nice to have: familiarity with React or React Native, especially when building front-end SDKs or shared components.

• Ability to operate autonomously in a globally distributed, remote-first environment.

Nice to haves

• 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.