Staff Software Developer (IAM)

Role overview Join the platform team behind a unified, AI-native suite of developer tools, owning services that form the identity, authentication, and authorization backbone for multiple products. You will operate across the full software lifecycle in Kotlin (and some Go), shaping how organisations, memberships, groups, and workspaces are modelled and governed across a multi-tenant SaaS environment.

Responsibilities - Take end-to-end ownership of services, including codebase, architecture, and production operations - Maintain and evolve services written primarily in Kotlin, with some Go, ensuring reliability and performance at scale - Design and implement features across identity, organisation, membership, group, and workspace domains - Review and integrate pull requests contributed by other platform teams - Manage integrations with related platform components and connected applications

Requirements - 7+ years of JVM development experience, ideally with Kotlin - Strong grasp of performance tuning on the JVM and PostgreSQL - Proven experience building and operating SaaS production services in distributed, multi-tenant environments - Confidence navigating a modern DevOps stack including Kubernetes, OpenTelemetry, and Grafana - Demonstrated success taking over and improving existing production services

Nice to have - Familiarity with identity protocols such as OAuth 2.0, OIDC, SAML 2.0, or SCIM 2.0 - Experience designing and evolving domain models for organisational or identity systems - Cybersecurity exposure: risk estimation, common vulnerability anti-patterns, and SSDLC best practices - Hands-on experience with Go

Benefits and work setup - Competitive base salary reflecting skills and experience - Flexible work location, with the option to work from home or the office - Up to 30 days per year working remotely from abroad - Extra time off for rest and personal pursuits - Medical insurance allowance - Learning and development budget, plus access to conferences, courses, and language classes - Lunch provided or a meal allowance on workdays - Mental health support services - Sports benefit, including on-site gym or stipend - Company-wide and team events - Relocation support depending on location