Develop and optimize ultra-low-latency, high-performance trading infrastructure in modern C++. Implement and tune order execution, market data connectivity, multi-threaded systems, and risk modules. Profile and benchmark real-time systems, collaborate with quants and traders, and maintain robust, fault-tolerant continuous trading operations.
Core C++ Developer – Crypto High-Frequency Trading
About Selini:
Selini is a global trading firm focused on systematic trading and venture investing.
OverviewWe are seeking an exceptional Core C++ Developer to contribute to the development and optimization of our high-performance trading systems. This role focuses on building ultra-low-latency infrastructure, optimizing execution speed, and ensuring robust system reliability. The ideal candidate will have deep expertise in modern C/C++, systems programming, and high-performance computing.
Key Responsibilities- Design, develop, and optimize low-latency, high-performance trading infrastructure in modern C/C++ (latest standards).
- Implement efficient and scalable trading algorithms, order execution, and risk management systems.
- Deep understanding of exchange connectivity standards for market data and order entry
- Optimize CPU performance, memory management, and multi-threaded applications.
- Collaborate with quant researchers, traders, and infrastructure engineers to improve system performance.
- Profile, benchmark, and debug real-time systems to minimize latency and maximize throughput.
- Maintain robust and fault-tolerant system components for continuous trading operations.
- Expert-level proficiency in C++, with a strong grasp of modern C++ features (C++17/20/23/26).
- Extensive experience in low-latency, high-performance systems programming.
- Deep understanding of networking (TCP/UDP), concurrency, and multi-threading.
- Strong experience in Linux-based development and performance tuning.
- Experience with real-time, high-throughput systems where performance is critical.
- Background in crypto or traditional finance trading systems
- Candidates with exceptional academic or industry backgrounds.
- Strong analytical skills and ability to work in high-pressure, real-time environments.
- Collaborative team player who enjoys solving complex engineering problems.
We’re a close-knit team that values:
- High ownership and initiative
- Curiosity, intellectual honesty, and rapid learning
- Clear, direct communication
- Working together toward shared goals — no ego, no politics
- Very competitive compensation, with strong upside based on contribution and performance
- Competitive holiday allowance
- Free daily Deliveroo lunch
- High-spec office and technology
- Team socials
- Global company offsites and development opportunities
Similar Jobs
.png){kind=logo}
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
Lead design and implement major gameplay systems from concept through prototype to polish using Unreal Engine 5 and Blueprint. Prototype, optimize, and scale systemic/open-world mechanics, collaborate with engineering/art/UX, drive iteration with playtests and telemetry, mentor designers, document technical specifications, and mitigate production/technical risks.
Top Skills:
Ai BehaviorsBehavior TreesBlueprintC#Editor Tools/Editor UtilitiesLuaMultiplayer/Network-Aware SystemsNavigationPerformance ProfilingPythonState TreesTelemetryUnreal Engine 5
Cloud • Information Technology • Security • Software • Cybersecurity
As a Senior Solutions Engineer, you'll engage with enterprise customers, addressing technical sales, creating presentations, conducting demos, and leading proof of concepts for Cloudflare solutions.
Top Skills:
AWSAzureCdnCloudflareGCPNetworkingSaaSSecuritySIEMSoftware Distribution
Artificial Intelligence • Productivity • Software • Automation
Lead Zapier's Enterprise engineering organization responsible for identity, access, audit, admin tooling, and AI/agent governance. Define strategy and technical roadmap, ensure reliability of Tier-1 services, partner with Product, Sales, and Customer Success, shape AI-native engineering practices, build and develop managers and ICs, and oversee cross-org initiatives and incident leadership.
Top Skills:
Ai Coding AgentsAudit TrailsChatgptClaudeClaude CodeCodexCursorGeminiIamIdentity And Access ManagementPolicy Controls
What you need to know about the Austin Tech Scene
Austin has a diverse and thriving tech ecosystem thanks to home-grown companies like Dell and major campuses for IBM, AMD and Apple. The state’s flagship university, the University of Texas at Austin, is known for its engineering school, and the city is known for its annual South by Southwest tech and media conference. Austin’s tech scene spans many verticals, but it’s particularly known for hardware, including semiconductors, as well as AI, biotechnology and cloud computing. And its food and music scene, low taxes and favorable climate has made the city a destination for tech workers from across the country.
Key Facts About Austin Tech
- Number of Tech Workers: 180,500; 13.7% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Dell, IBM, AMD, Apple, Alphabet
- Key Industries: Artificial intelligence, hardware, cloud computing, software, healthtech
- Funding Landscape: $4.5 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Live Oak Ventures, Austin Ventures, Hinge Capital, Gigafund, KdT Ventures, Next Coast Ventures, Silverton Partners
- Research Centers and Universities: University of Texas, Southwestern University, Texas State University, Center for Complex Quantum Systems, Oden Institute for Computational Engineering and Sciences, Texas Advanced Computing Center
