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Senior Systems Software Engineer at Unto Labs. Remote Location: San Francisco. About Unto Labs. Unto Labs is a team of low-level engineers pushing distributed systems to the physical limits of modern hardware. We’re reimagining blockchains, from core consensus primitives to performance-tuned networking stacks, in the service of global scale applications.. About the role. We're seeking a Senior Systems Software Engineer to take on the toughest challenges in distributed, high-performance computing. You'll be responsible for designing and building key parts of a base-layer blockchain, focused on juicing every last ounce of performance from commodity hardware. As a member of our fast-paced team, you'll work across the entire modern blockchain stack, including cryptography, consensus, distributed systems, and core kernels.. Responsibilities. Design and implement system-level components for blockchain infrastructure using C, C++, and Rust. . Maintain strong emphasis on computer systems analysis and implementation. . Gather requirements for high-throughput, low-latency (≤ 200 ms p95) services; design distributed systems that meet 99.9 % availability SLAs. . Perform benchmarking and performance profiling to enhance execution efficiency. . Specify, version, and maintain public and internal APIs plus JSON-RPC/gRPC endpoints. . Document interfaces and generate strongly typed client libraries. . Collaborate on the development of secure, low-latency networking protocols and cryptographic primitives. Build fault-tolerant ETL pipelines that transform on-chain events into query optimized relational & NoSQL stores. . Tune indexes for millisecond reads. . Provision and scale commodity server fleets (on-prem & cloud). . Automate with Terraform/Kubernetes, monitor health, capacity, and SLOs. Migrate legacy computing pipelines to modern CI/CD frameworks. . Support the design of fault-tolerant systems with advanced debugging, logging, and error recovery functionality. . Model token- economic incentives, auction fee markets, and validator/operator behaviors; prototype algorithms and run agent-based simulations. . Leverage generative-AI coding agents, static analyzers, and self-healing runbooks to accelerate delivery and cut MTTR. . Review performance metrics to refine software components for memory and process or efficiency. . Profile CPU, I/O, and network paths; execute load-tests; instrument metrics/tracing/logs; drive post-mortems and capacity plans. . Maintain and manage a performant suite of APIs, SDKs, and developer tools for consumption by external developers.. Integrate cryptographic primitives, secure key management, vulnerability scanning, and incident response playbooks. . Write RFCs, lead design reviews, mentor junior engineers, and coordinate cross-functional delivery with product, infra, and legal teams. . 100% telecommuting/working from home permitted from various and unanticipated locations throughout the U.S.. Qualifications. This position requires a Master’s degree, or foreign equivalent, in Economics, Business Economics, Computer Science, or a related field. . 10 years of experience as a Systems Engineer, Software Engineer, Software Developer, Information Technology Officer, or a related occupation. Additionally, the applicant must have employment experience with: . Systems programming in C, C++, and Rust; . Low-level performance optimization and hardware interfacing; . Distributed systems and threading runtimes; . CI/CD pipeline design using GitHub Actions and on-prem infrastructure; . Work with multiple systems, including web development platforms, high-performance computing systems, core operating system kernels, developer tools, and systems related to economic applications; . Develop distributed ledger technologies or crypto economic distributed systems.. Why join us?. Be at the forefront of blockchain technology, working on next-generation performance optimization, on a small, fast-moving, tight-knit team . Work with a team of experts with deep expertise in high-frequency trading and scaling developer ecosystems. Shape the architecture of a system designed to process millions of transactions per second. Access to cutting-edge hardware and development tools. Compensation and Benefits. Competitive salary ($213,512 - $220,000 USD). Significant equity and upside potential. Flexible work environment. Unlimited vacation policy. Health insurance. Hardware and development tool allowance. Conference and learning budget. Requisition ID: 245