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
Principal Software Engineer (RUST, AWS, Docker, Kubernetes)
Jersey City or Merrimack or Westlake
$107k-$216k/yrOnsiteFull Time
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
8+ YOEBachelor's degree in computer science or related field and 8+ years of software engineering experience. Requires Rust, databases, SQL, testing, CI pipelines, and strong analytical and communication skills.
OP Labs - Senior Software Engineer, Protocol (Rust)
London or New York City
RemoteFull Time
YieldNest: Liquid restaking protocol for risk-adjusted DeFi yields.
Production software experience, maintainable Rust systems, deep Ethereum and distributed systems knowledge, and strong design communication. Go, Solidity, op-node, kona, or Reth experience is preferred or a bonus.
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.
San Francisco or Toronto or New York City or Montreal
$165k-$330k/yrHybridFull Time
Baseten: Scalable infrastructure platform for deploying and serving AI models.
Deep observability experience, scalable telemetry pipeline knowledge, Prometheus, Grafana, ClickHouse, or OpenTelemetry experience, and proficiency in Python, Rust, or Go.
Prometheus, Grafana, ClickHouse, OpenTelemetry, Python, Rust, Go
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.
Quantitative Research Internship - 6 Months, Central Execution Research
London or New York City
HybridInternship, Temporary
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
Current PhD student in a quantitative discipline with strong mathematics, statistics, optimization, machine learning, data analysis, and Python, C++, or Rust programming skills.
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.
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.
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
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.
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.