C++ Engineer Strategic Market Making — Exchange Connectivity (Trading) at Keyrock

Antwerp, Antwerp, Belgium -

Full Time

Start Date

Immediate

Expiry Date

28 Dec, 25

Salary

0.0

Posted On

29 Sep, 25

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

C++, Rust, Exchange Connectivity, Market Data Handling, Systems Engineering, Concurrency, Memory Management, Networking, Performance Tuning, Cloud-native Deployment, Problem-solving, Communication, Collaboration, Code Quality, Observability, Incident Response

Industry

Financial Services

Description

C++/Rust Engineer Strategic Market Making— Exchange Connectivity 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 200 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, Singapore and Paris, 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. Today, our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks. Keyrock is looking to expand and establish itself as a full-service financial institution through both organic innovation and inorganic growth. But we’re more than a service provider. We’re an initiator. 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. We upgrade ecosystems by injecting liquidity into promising DeFi, RWA, and NFT protocols. And we push 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 Keyrock’s Strategic Market Making (StratMM) team is hiring a Rust Engineer to build and evolve our hybrid CEX/DEX exchange connectivity layer. You will own and manage our team's integration path for exchange venues, handling abstractions for execution logic and market data ingestion, while also exploring a low-lift integration model to enable rapid, cost-effective initial support for new trading venues with the flexibility to upgrade to more robust, permanent implementations later. This role collaborates closely with the trading desk, requiring a product-oriented mindset. Job description Design, build, and maintain high-performance exchange connectivity for orders and market data across multiple venues Work on connectivity to novel liquidity access platforms, such as intent-based venues Deliver robust, observable services with clear SLAs and graceful failure modes Optimize for latency, throughput, and stability in production environments Collaborate regularly with traders, quants, and product teams to translate strategy needs into reliable systems Establish strong testing, simulation, and replay workflows for fast and safe iteration Champion code quality, observability, incident response, and performance profiling, embedding security at every stage. Help shape technical standards and mentor teammates in a high-caliber engineering group Background and experience 3+ years of hands-on experience in Rust and/or C++ in production Experience in modern C++ is a plus, especially for systems-level or low-latency work Proven track record in building exchange connectivity: Order entry APIs and lifecycle management Market data handling, parsing, normalization, and distribution Strong systems engineering fundamentals: Concurrency, memory management, networking, serialization, and observability Solid understanding of performance tuning and profiling in real-world systems Experience with cloud-native deployment and operations in major clouds, e.g., AWS Pragmatic approach to reliability and operability in live trading environments Proactive mindset with strong problem-solving ability Excellent communication and a collaborative mindset when working with trading, product, and engineering teams Nice to have Good working knowledge of Python and how it is used by quants Exposure to hybrid or DeFi on-chain DEX connectivity, RPC providers, and MEV-aware workflows Familiarity with intent-based frameworks and matching paradigms in crypto markets Experience with FIX, WebSocket, gRPC, REST, custom binary protocols, or feed handlers Knowledge of CI/CD for high-availability systems and a DevSecFinOps approach in the cloud Experience with time-series data, event sourcing, and deterministic replays A genuine passion for and deep interest in digital assets and crypto trading How we work Impact-driven: small, experienced team with high ownership and short feedback loops Production-first: rigorous testing, staged rollouts, and observability baked in Partnership with trading: rapid iteration with tight alignment to strategy needs Quality mindset: code reviews, benchmarks, and a post-incident learning culture Location and setup Full-time role within Keyrock’s StratMM BU Remote-first, hybrid-friendly, with close collaboration across engineering and trading Europe Time Zone is preferred Our recruitment philosophy We value self-awareness and powerful communication skills in our recruitment process. We seek fiercely passionate people who understand themselves and their career goals. We're after those with the right skills and a conscious choice to join our field. The perfect fit? A crypto enthusiast who’s driven, collaborative, acts with ownership and delivers solid, scalable outcomes. Our offer A competitive salary package 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 of people in search of excellence As an employer we are committed to building a positive and collaborative work environment. We welcome employees of all backgrounds, and 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. https://keyrock.com/careers/

Responsibilities

Design, build, and maintain high-performance exchange connectivity for orders and market data across multiple venues. Collaborate closely with traders, quants, and product teams to translate strategy needs into reliable systems.