Open to opportunities

kostis stefanou

@kostisstefanou

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I build modular iOS apps, developer tools, and AI-powered workflows.

Greece

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What I'm looking for

I'm looking to research and develop disruptive, innovative technologies, build practical products and developer tools, and collaborate with teams that value hard work, learning, and ideas that improve users' lives.

I've built modular iOS applications and developer workflows at AnyRoad, including a monolith-to-modules architecture, SwiftUI and Swift concurrency guidelines, and CI/CD pipelines with Xcode Cloud.

I design custom AI agents and workflows with Claude for automated code review, documentation generation, and test-case optimization. I also championed OpenAPI adoption across backend and iOS teams to prevent API contract integration failures.

At Workable, I delivered SwiftUI features, improved debug feature-flag configuration, and participated in candidate interviews. I gained deep experience with RxSwift, reactive programming, unit testing, snapshot testing, end-to-end testing, trunk-based development, and feature flags.

I've also led full-stack development at The Blitz, founded Wallhab, and contributed nested query-parameter support to Apple's Swift OpenAPI libraries. I enjoy researching disruptive technologies, building practical tools, and collaborating with people across the globe.

Experience

Work history, roles, and key accomplishments

Senior iOS Software Engineer

AnyRoad

Jun 2023 - Aug 2026 (3 years 2 months)

Proposed and implemented a modular architecture by decomposing a monolithic application into separate modules. Established new development guidelines utilizing SwiftUI, Swift concurrency, and the MVVM design pattern.