Web3 Rust Jobs

We are looking for a MobileSoftware Engineer to help build and evolve a decentralized mobile wallet powered by a deterministic Rust SDK. This role focuses primarily on Swift development while requiring strong systems thinking and comfort working across Swift ↔ Rust FFI boundaries. The tech stack that you will interact with will be Swift, Rust, Kotlin, Rust FFI, and Objective C, mostly in that order. You will be working with engineers and developers on the mobile team within our org, Dash Core Group. This is an opportunity to work remotely in a team that uses modern coding practices and operates without a centralized backend, prioritizing client-side verification and security.

Responsibilities

• Collaborate with engineers to design, implement, and ship new wallet features.
• Implement wallet features on top of a deterministic SDK, ensuring correctness and security across the full stack.
• Improve our mobile SDKs. This may involve improvements to the foundational Rust SDK.
• We use AI-assisted development tools. Engineers are expected to critically evaluate and validate all generated code.
• Improve our continuous integration.

Requirements

• Either: 
• 3+ years professional software engineering experience, with significant experience in Swift (production iOS apps). 
• Exceptional recent graduates with demonstrable systems, distributed systems, compiler, or cryptography experience.
• Strong understanding of deterministic state machines and ability to reason about correctness in financial or security-sensitive systems.
• Comfortable working across language boundaries (Swift ↔ Rust FFI), including understanding of memory ownership, threading, and error propagation.
• Conceptual understanding of cryptographic primitives (hashes, signatures, key derivation, Merkle trees).
• Experience building mobile applications that rely on complex local business logic or SDKs.
• Strong debugging skills across stack boundaries (mobile ↔ SDK ↔ networking).
• Proficient with Git and modern collaborative workflows.
• Strong Linux/macOS command-line skills.
• Ability to work remotely in a self-directed environment.
• Strong written and spoken English.
• This is not a typical UI-focused mobile role. Candidates should be comfortable reasoning about state, correctness, and security in adversarial environments.

Nice to Have

• Working knowledge of Rust.
• Experience working with Rust FFI or other foreign-function interfaces.
• Experience with Android development.
• Understanding of UTXO vs account-based blockchain models.
• Familiarity with SPV or client-side transaction verification.
• Experience with cryptographic or privacy-preserving systems.
• Background in distributed systems.
• Comfort verifying and correcting AI-generated code in security-sensitive environments.

Perks

• Contribute to technology at the forefront of cryptocurrency.
• Work on a fully remote team.
• Work alongside passionate people.
• This is an opportunity where you can have oversized impacts and drive innovation.
• Work in an open-source environment.

Location / compensation

• This is a fully remote position.
• Compensation will be between 75k and 100k USD per annum, depending on matching of skillset.

About Dash

At Dash, our Goal is to increase financial freedom and opportunities for everyone. We develop products that enable payments on the blockchain and make cryptocurrency accessible for consumers, merchants, businesses, and developers. We’ve designed a payments platform that puts user experience first, obscures the technical complexity underneath, and reinvents how cryptocurrency works in the future.

Dash is a cryptocurrency originally based on the Bitcoin blockchain, augmented with additional features focused on payments, and is one of the most recognized and accepted cryptocurrencies.

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