Mobile Software Engineer

On behalf of our client, we are looking for a Mobile Software Engineer.

Responsibilities:

- Collaborate with engineers to design, implement, and ship new mobile wallet features

- Implement wallet functionality on top of a deterministic SDK

- Work across Swift ↔ Rust FFI boundaries

- Improve mobile SDKs and contribute to the underlying Rust SDK when needed

- Ensure correctness and security across the mobile stack

- Improve CI processes and development workflows

- Work with AI-assisted development tools and critically evaluate generated code

Requirements:

- 5+ years of experience as an iOS / Swift Engineer

- Strong experience building production iOS applications

- Experience working with internal SDKs, core layers, or application architecture

- Experience with native integrations (Rust / C++ / FFI / bridging)

- Understanding of deterministic systems and security-sensitive applications

- Ability to work across language boundaries (Swift ↔ Rust FFI)

- Strong debugging skills across stack layers (mobile ↔ SDK ↔ networking)

- Strong Linux or macOS command-line skills

- Experience working with Git and modern collaborative workflows

- Upper - Intermediate or higher level of English

Nice to Have:

- Working knowledge of Rust

- Experience with Rust FFI or other foreign-function interfaces

- Android development experience

- Understanding of blockchain models (UTXO vs account-based)

- Familiarity with client-side transaction verification (SPV)

- Background in distributed systems or cryptographic systems

- Experience reviewing and correcting AI-generated code in security-sensitive environments

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews