Senior Rust/Go Software Engineer

We’re looking for a Senior Rust/Go Software Engineer to help unify UL Link, T-Bricks, and CQG into a single platform, developing the distributed cache/memory model responsible for ultra-low-latency distribution of market and reference data. This position plays a key part in the larger canonical data model initiative, providing normalized, low-latency versions of transaction, market, and reference data.

Responsibilities

• Design and build a distributed caching layer for high-throughput, low-latency market data distribution.
• Leverage QuestDB to support fast data access across the platform.
• Collaborate with technical leads on architecture and integration decisions.
• Support consolidation of feed handlers and connectivity layers across UL Link, T-Bricks, and CQG.
• Define data models and schemas to support normalized market and reference data.
• Optimize memory management and concurrency patterns for ultra-low-latency workloads.
• Participate in code reviews and mentor team members on distributed systems best practices.

Requirements

• 3+ years of experience with Rust or Go, including work with distributed systems.
• Experience building low-latency, high-throughput systems.
• Knowledge of time-series databases such as QuestDB, KDB, or InfluxDB.
• Understanding of capital markets and market data, including equities, derivatives, futures, and options.
• Proficiency in system design for scalable, fault-tolerant architectures.
• Familiarity with Linux performance tuning and profiling tools.
• English proficiency at a B2+ level.

Nice to have

• Experience with streaming/messaging systems such as Kafka.
• Familiarity with the FIX protocol.

We offer

• Hybrid-by-design work mode and the opportunity to work remotely within Poland.
• Opportunity to work abroad for up to 60 days annually.
• Business-driven relocation opportunities.
• Career development programs.
• Thought leadership, mentoring, soft-skills, and well-being programs.
• Certifications in Anthropic, Gemini, GCP, Azure, and AWS.
• English classes.
• Stable pay.
• Participation in the Employee Stock Purchase Plan with a 15% discount.
• Benefits package, including health insurance, multisport, and shopping vouchers.
• Referral bonuses up to $2,000.
• Offices with entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more.
• Corporate, social, and well-being events.

Benefits listed above are available to employees only. Contractor arrangements are also available; B2B cooperation terms are agreed individually. Only selected candidates will be contacted.