(Sr.) Quant Developer - Core Trading Systems

About BTSE

BTSE Group is a global leader in fintech and blockchain technology, anchored by three core business pillars: Exchange, Payments, and Infrastructure Development. Serving over 100 corporate clients worldwide, we provide white-label exchange and payment solutions. Our offerings encompass everything from exchange infrastructure hosting and development to custody, wallets, payments, blockchain integration, trading, and

more. We are looking for talented professionals in marketing, operations, customer support,

and other departments. The roles offered may be on-site, remote, or hybrid, in collaboration with our local partner.

About The Opportunity

• Build a modern, high-performance crypto trading platform from the ground up
• Work on latency-critical systems with real-world impact
• Direct influence on trading performance and PnL
• High ownership and accelerated responsibility compared to traditional finance environments
• Collaborative and fast-moving team culture

Responsibilities

• Design and build low latency, event-driven trading systems
• Develop real-time market data pipelines and exchange connectivity
• Build order execution systems and internal messaging infrastructure
• Design and integrate trading strategies into production, contributing directly to PnL
• Optimize performance across the full stack (application → OS → network)

Requirements

Low Latency Systems Experience

• Proven experience building or operating low latency systems in production
• Strong understanding of:

○ concurrency and threading models

○ memory management and cache efficiency

○ networking fundamentals (TCP/UDP, latency trade-offs)

• Experience with high-performance messaging frameworks such as Aeron, Chronicle Queue, or similar or experience building custom event-driven systems with comparable performance characteristics

Systems & Performance Engineering

• Strong Java (preferred) or C++ in performance-critical environments
• Experience optimizing systems for latency and throughput under real-time constraints
• Familiarity with Linux performance tuning and observability

Trading Systems Experience

• Hands-on experience working on production trading or exchange systems, such as:

○ market data handling

○ execution systems

○ OMS / risk systems

• Exposure to Central Risk Book (CRB) concepts is a strong plus
• Understanding of Sequencer architecture is a strong plus

Nice to have

• Experience with binary protocols (e.g. Simple Binary Encoding)
• Experience in crypto markets, HFT, or market making environments
• Exposure to cross-exchange trading or arbitrage systems

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.