Engineering Lead; Rust

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Since our beginnings in 2017, we've grown to be a leading change‑maker in the digital asset space, renowned for our partnerships and innovation. Today we rock with over 180 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels and Singapore, and host regular online and offline hangouts to keep the crew tight.

We are trading on more than 80 exchanges, and working with a wide array of asset issuers. As a well‑established market maker, our distinctive expertise led us to expand rapidly. Our services span market making, options trading, high‑frequency trading, OTC, and DeFi trading desks.

But we’re more than a service provider. We’re pioneers in adopting the Rust development language for our algorithmic trading, and champions of its use in the industry. We support the growth of Web3 startups through our Accelerator Program, upgrade ecosystems by injecting liquidity into promising DeFi, RWA, and NFT protocols, and push the industry's progress with research and governance initiatives.

At Keyrock, we’re not just envisioning the future of digital assets. We’re actively building it.

The Tech Lead plays a pivotal role in bridging business objectives with technical execution
. This role is not purely managerial nor solely individual contributor, but a hybrid position that combines hands‑on engineering
, architectural leadership
, and team enablement
. A Tech Lead ensures delivery excellence by actively contributing to the codebase, guiding the team technically, and aligning execution with long‑term strategic goals.

At Keyrock, the Tech Lead is a senior technical contributor who drives the implementation and delivery of engineering initiatives within a Business Unit. The Tech Lead is accountable for technical execution and delivery quality
, ensuring that systems are built to high standards of reliability, performance, and maintainability.

While the Head of Engineering (HoE) focuses on strategic alignment, the Tech Lead operates as the executional deputy, translating strategic objectives into code, architecture, and delivery outcomes.

• Act as technical point of accountability for the Service Market Making Business Unit.
• Balance strategic thinking with pragmatic delivery, ensuring systems are built to last while meeting immediate needs.
• Champion collaboration across teams, ensuring alignment between product, design, QA, and engineering.
• Inspire and develop engineers through mentorship, coaching, and technical guidance, fostering growth and autonomy within the team.

• Drive delivery and alignment: partner with the Head of Engineering to own delivery of entire work‑streams, ensuring architecture and engineering decisions align with both immediate requirements and business strategy.
• Balance code and leadership: contribute directly through coding while also focusing on architecture design, peer reviews, and cross‑functional communication.
• Mentor and elevate engineers: provide structured feedback through design and code reviews, support skill development, and empower junior and mid‑level engineers to take ownership.
• Technical leadership: guide system design, ensure scalability and resilience, and optimise performance across applications and infrastructure.
• Maintain standards: uphold engineering best practices, enforce coding guidelines, and partner with QA to embed automation and validation in the delivery pipeline.
• Codebase health: manage technical debt, lead refactoring initiatives, and ensure long‑term maintainability and operational excellence.
• Cross‑functional collaboration: work closely with product managers, designers, and QA engineers to define scope, refine requirements, and plan delivery in a transparent and predictable manner.
• Risk management:
  
  anticipate technical risks, dependencies, and trade‑offs early, and propose mitigations to safeguard delivery timelines.

• Bachelor’s or Master’s degree in Computer Science,…