Technical Lead (Rust)

Keyrock; A distancia; EUR 70.000 - 90.000; Jornada completa

Descripción de la vacante

A leading digital asset firm in Madrid seeks a Tech Lead to bridge business objectives with technical execution in the Service Market Making unit. This role emphasizes hands-on engineering, team mentorship, and architectural leadership, requiring strong expertise in Rust and experience in high-concurrency systems. Ideal candidates have a profound understanding of trading systems and excellent communication skills. Flexible remote work options are available, fostering a culture of collaboration and innovation.

Servicios

Competitive salary package

Flexible working hours

Remote work options

Autonomy in time management

Formación

• 5+ years in a Technical Leadership position guiding teams and projects.
• Expertise in architecting low-latency trading systems.
• Advanced proficiency in Rust and knowledge of Python and Node.js.

Responsabilidades

• Drive delivery by partnering with the Head of Engineering.
• Contribute directly to coding and architecture design.
• Mentor engineers and provide structured feedback.

Conocimientos

Technical leadership

Rust programming

Collaboration

Mentorship

Analytical mindset

Educación

Bachelor’s or Master’s degree in Computer Science or related field

Herramientas

AWS

Kubernetes

Docker

GitOps

Node.js

Descripción del empleo

About Keyrock

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. We are pioneers in adopting the Rust development language for our algorithmic trading, champions of its use in the industry, and support the growth of Web3 startups through our Accelerator Program, injecting liquidity into promising DeFi, RWA, and NFT protocols, while pushing the industry’s progress with our research and governance initiatives. At Keyrock, we’re not just envisioning the future of digital assets; we’re actively building it.

Mission Statement

Tech Lead plays a pivotal role in bridging business objectives with technical execution. This role 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. The Tech Lead is a senior technical contributor who drives the implementation and delivery of engineering initiatives within their Business Unit. They are accountable for technical execution and delivery quality, ensuring that systems are built to high standards of reliability, performance, and maintainability.

Job Description

Act as the 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.

Key Responsibilities

• 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 optimize 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.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering or a related discipline, or equivalent practical experience.
• 5+ years in a Technical Leadership position guiding teams, shaping architecture, and driving delivery of complex projects.
• Demonstrated expertise in architecting and maintaining high‑concurrency, low‑latency trading systems at scale.
• Advanced proficiency in Rust; working knowledge of Node.js (JavaScript / TypeScript) and Python is an advantage.
• Deep experience with data‑intensive architectures and real‑time data pipelines.
• Proven track record deploying, optimising and operating AWS environments for ultra‑low‑latency workloads.
• Hands‑on experience containerising applications and managing Kubernetes clusters in production.
• Familiarity with GitOps workflows to automate infrastructure provisioning, configuration and deployments.
• Solid command of software engineering best practices, including Agile methodologies, DevOps principles and end‑to‑end CI / CD pipelines.
• Knowledge of DevSecFinOps principles to embed security, compliance and cost‑governance throughout the delivery lifecycle.
• Demonstrated leadership of engineering teams, with a commitment to fostering collaboration, mentorship and continuous professional growth.
• Excellent communication and stakeholder‑management skills, able to partner effectively with Product, Architecture, Quantitative Research and Operations.
• Strong analytical and problem‑solving mindset, with a passion for building scalable, reliable and secure systems.
• Deep domain knowledge of finance and trading, particularly within the cryptocurrency sector.
• Experience in fast‑paced, dynamic financial or fintech environments is highly desirable.

Soft Skills & Competencies

• Ownership & reliability – take full responsibility for your work, deliver high‑quality service, meet deadlines and follow through on commitments.
• Initiative & problem‑solving – approach challenges with an entrepreneurial mindset, make sound, independent judgments and drive solutions.
• Operational diligence – respond strategically to technical and operational challenges, ensuring robust and reliable trading infrastructure.
• Curiosity & growth mindset – continuously improve your technical skills, stay ahead of industry trends and explore new technologies.
• Excellent communication skills – collaborate within a fully remote global.

Our Offer

• A competitive salary package, with various benefits depending on the method of engagement (employee or freelancer).
• Autonomy in your time management thanks to flexible working hours and the opportunity to work remotely.
• The freedom to create your own entrepreneurial experience by being part of a team that searches for excellence.
• We would like the successful candidate to be based in the UK or Europe. Remote and flexible work options are available.

As an employer, we are committed to building an inclusive, diverse and non‑discriminating work environment. We welcome employees of all backgrounds, ethnicities, genders, creed and sexual orientation. We hire, reward and promote entirely based on merit and performance.

Due to the nature of our business and external requirements, we perform background checks on all potential employees; passing which is a prerequisite to join Keyrock.

For more information, visit https : / / keyrock.com / careers /