Reference: 26030Location: Chicago, IL, United StatesIndustry: Crypto/Web3Posted: 2026-05-18Contact: Ethan HudsonEmail: ehudson@oprecruiting.comPhone: 13176505687Job TitleSenior Software EngineerAbout the OpportunityOur client is launching a next-generation, on-chain trading platform engineered to deliver institutional-grade speed, execution quality, and market visibility directly to active traders. As an early engineering team member, you will drive a true 0-to-1 product effort, translating complex distributed systems and blockchain market mechanics into seamless, high-performance workflows. If you want to build the foundational product layer on top of high-throughput transactional infrastructure, this role offers direct, unconstrained impact.ResponsibilitiesArchitect and implement core components for a greenfield decentralized trading application from the ground up.Construct low-latency, highly resilient backend services that interface directly with high-throughput blockchain transaction streams.Take complete ownership of critical infrastructure paths, including smart order routing, trade execution engines, real-time market data feeds, and portfolio position tracking.Enforce rigorous security standards across all layers, including secure transaction signing protocols, infrastructure deployment, and data protection.Partner with cross-functional product and infrastructure units to rapidly deploy features and iterate based on live user data.Drive foundational architectural choices, establishing engineering standards for a growing technical team.Requirements5+ years of professional software engineering experience, with a heavy emphasis on distributed systems architecture.Advanced systems programming capabilities, preferably using Rust, though deep expertise in C/C++ or Go is highly acceptable.Demonstrated track record of deploying and maintaining high-availability, low-latency production applications.Security-centric development approach with an intuitive understanding of system vulnerability surfaces, cryptographic key management, and complex failure recovery modes.Ability to execute independently and make sound technical decisions within fast-paced, fluid startup environments.Preferred QualificationsPrior exposure to blockchain runtime environments, transaction lifecycles, or decentralized trading infrastructure.Background in exchange engineering, order matching systems, or traditional high-frequency trading (HFT) platforms.Experience developing core fintech backend architectures, including payment rails, institutional custody, or execution venues.#LI-ML1
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