Rust Engineer (With Some Mobile)
On site
London, United Kingdom
Freelance
30-03-2025
Job Specifications
Rust Engineer (With some mobile experience) - 3 Month LTD Contract (Outside IR35)
Location: London (Onsite - Strong onsite presence required in the initial months)
Contract: 3-Month B2B - High Extension Potential
IR35: Outside
Start Date: Flexible April/May
An exciting opportunity for a Senior Rust Engineer to join a high-impact project focused on developing a Payment SDK in Rust. This role is 90% Rust-focused, working closely with mobile engineers (iOS/Android) and a third-party agency specializing in the Crux framework.
You'll be part of a collaborative, onsite-first environment, building foundational SDKs that will streamline payments across the business. The initial contract is 3 months, but strong potential exists for extensions or a permanent conversion.
Key Responsibilities:
Develop a Payment SDK in Rust, forming the foundation for future SDKs (Accounts, Calendar, etc.).
Ensure clean, maintainable, and scalable SDKs for mobile integration.
Work closely with Crux framework specialists and mobile engineers.
Maintain pure business logic, avoiding unnecessary dependencies.
Participate in a high-paced, problem-solving environment, iterating on architecture and design.
Requirements:
Senior-level Rust experience (SDK/library development).
Familiarity with iOS or Android development (doesn't need to be extensive).
Open to working with Crux framework despite its mixed reception.
Strong problem-solving skills, collaborative mindset, and curiosity.
Able to work onsite in London (4 days per week initially).
Preferred Experience:
Prior experience building payments SDKs or working on payment systems.
Experience in unifying disparate systems into a single SDK or library.
Ideal profile
90% Rust role with some mobile experience or an understanding of Android and iOS ecosystems.
About the Company
Since 2004, The Montash Group have worked to scale leading tech teams across the globe. Offering four unique service areas, the Montash Group are your specialists in niche tech requirements. We operate industry agnostic while supporting organizations of all sizes. Montash's core offering is local sourcing and placing freelance and/or permanent specialists for your tech teams. Operating on a remote-first approach, Remobi augments existing or new tech teams nearshore and our in- house solution teams provide consultation and E2... Know more
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