Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento: Provides a pay-as-you-go financial market data platform.
5+ YOE5+ years software engineering experience; strong C/C++ or Rust skills; systems programming, multithreading, network I/O, and performance optimization experience; familiarity with lldb/gdb and CI/CD; good communication for remote work.
OP Labs: Develops open-source scaling infrastructure for the Optimism ecosystem.
Production Rust systems experience, deep knowledge of Ethereum/EVM and distributed systems, strong communication, ability to ship production software and write robust tests.
Rust, Go, Solidity, EVM, JSON-RPC, op-node, kona, Reth, OP Stack
Longbridge Group: AI-powered online brokerage and global investment platform.
7+ YOE7+ years in brokerage/securities/wealth operations or financial services with 3+ years managerial experience; bachelor's in finance/business/accounting; strong post-trade operations knowledge; product/operations system implementation experience; strong analytical and communication skills.
Rune Technologies: Develops AI-powered logistics and sustainment software for military operations.
4+ YOE4–6 years software engineering with routing experience; proficiency in C++ or Rust; experience building or extending a routing engine; ownership mindset.
Fireblocks: Provides secure infrastructure for moving and storing digital assets.
4+ YOESenior Software Engineer with 4+ years in C++/Rust; distributed systems experience; Python a plus; blockchain/cryptography background a plus; strong teamwork.
Anza: Develops and maintains core infrastructure for the Solana blockchain.
3+ YOEBachelor's degree or equivalent,3+ years with core infrastructure software and distributed systems,proficiency in Rust/C/C++,security and performance optimization experience.
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
Expertise with Bazel and one or more languages (Go, Python, Java, Rust, TypeScript). Experience with large codebases, CI pipelines, and building developer-facing tools.
Rilla: AI conversation intelligence software for offline sales teams.
5+ YOEProven coding in JavaScript/C++/Python/Rust, startup engineering experience, familiarity with storage/data processing and cloud infrastructure, strong written and verbal communication.
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
5+ YOE5+ years of production software experience; strong fundamentals; experience with AI-assisted development; Rust and C#/.NET; distributed systems; AWS; excellent communication.
Rust, C#, NET Core, AWS, REST, gRPC, Kafka, RabbitMQ, SQS/SNS, Claude Code, Codex
United Kingdom or London or United States or New York City
RemoteFull Time
Geordie AI: AI governance and security platform for enterprise agentic systems.
Proficiency in at least one of Java, Python, TypeScript, Rust, or Golang; strong coding ability; collaborative and customer-focused; understanding of secure software practices and automated testing.
Anthropic: Developing safe and reliable artificial intelligence systems.
Significant software engineering experience with distributed systems; deep Kubernetes expertise; proficiency in Go, Python, Rust, or C++; strong debugging and reliability focus; excellent communication.
CloudflareNYSE: NET: Provides security and performance services for internet properties.
Experience building large-scale distributed systems, solid CS fundamentals, proficiency in a modern systems language (Rust or Go), and collaboration and research skills for realtime systems.
Two Sigma: Systematic investment management and quantitative trading firm.
1+ YOEMinimum 1 year of experience; 5-10+ years preferred in software engineering and quantitative analysis; BS in a technical/quantitative field; strong Rust/C++/Python skills.
Aptos Labs: Develops a Layer 1 blockchain and decentralized application tools.
5+ YOE5+ years building scalable backend systems; strong in Rust, Go, C++, Java, or Python; deep systems and distributed-systems knowledge; API and indexing experience preferred.
San Francisco or Denver or New York City or United States or Canada
$211k-$254k/yrHybridFull Time
FastlyNYSE: FSLY: Provides edge cloud platform for content delivery and cybersecurity.
7+ YOE7+ years domain-relevant engineering experience preferred; production experience with C, C++, and/or Rust; Linux and network programming; distributed infrastructure; strong communication and mentoring skills.
BNYNYSE: BK: Global institution managing and servicing financial assets worldwide.
12+ YOE12+ years in high-volume, low-latency systems; secure software development and cryptography; C/C++, Go, or Rust; hardware security (SGX, HSM); blockchain knowledge.