Build and scale mission-critical order and execution management infrastructure in Rust.
Design systems balancing low-latency execution, fault tolerance, and correctness across distributed trading workflows.
Translate evolving regulatory and market structure requirements into reliable, testable platform capabilities.
Clear Street is a diversified financial services firm modernizing the brokerage ecosystem with a cloud-native clearing and custody system. Founded in 2018, the company is a small, growing team with a meritocratic culture that champions collaboration.
Design and build mission-critical trading systems using Rust and AWS.
Take ownership of high-impact trading infrastructure and set technical direction.
Drive continuous improvement in system performance, reliability, and operability.
Keyrock is a highly-profitable firm specializing in capital markets and trading systems. They operate with a global, fully-remote team and emphasize a fast-paced, collaborative culture.
Contribute to the design, development, and optimization of onboard data aggregation and telemetry systems for the Node.
Work with networking and security engineers to ensure reliable communication and secure onboard systems.
Build and maintain network-facing software layers, design egress telemetry pipelines, and improve testing and CI/CD pipelines.
Panthalassa is a renewable energy and ocean technology company focused on capturing ultra-low-cost energy from the ocean. It is a public benefit corporation headquartered in Portland, Oregon, backed by venture capitalists and operates as an idea meritocracy.
Take ownership of the RustRover debugger, driving development across its C++ backend and Java/Kotlin client.
Implement new IDE run/debug configurations and enhance Rust expression evaluation capabilities.
Investigate and fix OS-specific SIGSEGV errors while designing clean, maintainable code.
JetBrains creates intelligent software development tools for developers and teams. Over 300,000 companies and 88 of the Fortune Global Top 100 rely on their products, and they foster an open and inclusive workplace.
Design, build, and maintain MCP servers and tools in Rust to shape how AI agents interact with federated graphs.
Ship customer-driven improvements weekly and engage directly with users to influence the roadmap.
Own projects end-to-end while contributing to codebase health, bug fixes, and operational reliability.
Apollo builds tools for GraphQL platforms used by companies like Netflix. The team is collaborative and focused on growth, aiming to change how software is built.
Develop and maintain high-performance backend services and platform components using Rust.
Design and implement scalable APIs and asynchronous microservices for distributed systems.
Collaborate with Product, DevOps, and Security teams to integrate cybersecurity features and ensure robust, secure solutions.
Exein builds the security layer for a world where physical and digital threats converge, from kernel-level runtime protection on embedded devices to cloud-native platforms. They are a growing company with a culture of technical excellence, continuous learning, and inclusive collaboration.
Build the core AI platform that powers a copilot inside a new, AI-native trading experience.
Develop a high-performance backend in Rust supporting streaming responses, low-latency tool execution, caching, and reliable orchestration of model plus tools.
Design robust APIs and runtime components for AI capabilities including authentication, rate limits, auditing, tracing, retries, and fallbacks.
Clear Street is a diversified financial services firm replacing legacy infrastructure used across capital markets. Founded in 2018, the company has built a cloud-native clearing and custody system and supports billions in trading volume per day, with a culture focused on collaboration and diversity.
Define and lead the long-term technical architecture of a football super app using Rust-based systems.
Oversee backend architecture, real-time systems, and AI-powered infrastructure for social feeds, messaging, and video.
Partner with leadership on product strategy and establish engineering culture, hiring standards, and execution processes.
Travoom is currently focused on building OleOle, a football-focused social network and super app, while oleolesport.com operates as a curated football travel marketplace. The company is a privately held startup with a distributed international team working remotely.
Work on core Radar products using TypeScript, Rust, Python, and Scala.
Build highly available systems with 99.99%+ monthly uptime.
Own the internal development platform and integrate safe AI-enabled development practices.
Radar is the global leader in geolocation, providing geofencing SDKs, maps APIs, and AI-enabled solutions for marketing, fraud, and operations teams. They have raised $85.5M from top investors, process over 1 billion API calls per day, and have a high-performance culture with ambitious teammates.
Design and implement robust, testable, high-performance systems and tools in Rust.
Optimize existing software architectures to enhance speed and efficiency.
Actively participate in all phases of the development lifecycle, including debugging and optimization.
Dragos defends industrial organizations that provide necessities like running water and electricity. As a remote-first market leader in ICS/OT Cybersecurity, the company has operations in North America, Europe, the Middle East, and APAC, and values authenticity, transparency, and trust.
Design and build the next-generation bare metal deployment pipeline to achieve sub-60-second provisioning times.
Develop and maintain automation and management toolkits for bare metal servers.
Implement firmware update workflows and integrate VPC networking for bare metal instances.
Vultr provides high-performance cloud infrastructure solutions globally. With 33 data centers and a recent $3.5 billion valuation, it is the world's largest privately-held cloud infrastructure company.
Design, develop, integrate, and maintain CPU firmware, BIOS, boot loader software, and low-level system components.
Bring up and validate new CPU boards, working closely with hardware engineers and technology vendors.
Provide technical leadership across engineering projects and mentor junior engineers to support knowledge sharing.
This position is listed on behalf of a partner company that develops advanced networking systems. They foster a collaborative and inclusive engineering culture that values diverse perspectives and innovation.
Build and expand a large-scale healthcare data platform and member management solution.
Design, develop, and maintain high-performance backend services and APIs.
Mentor junior and mid-level engineers through technical guidance and code reviews.
Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development teams. They connect Brazil’s top 5% talent with innovative U.S. companies through staff augmentation and employer-of-record services.
Influence the technical direction for critical systems and see code live in production within minutes.
Write and review high-quality, well-tested code to create a stable product and stress-free codebase.
Own problems end-to-end, from development to production, and respond to customer feedback to improve solutions.
Tines provides an intelligent workflow platform that applies AI, automation, and integration to drive business results. The company serves a diverse range of customers from startups to public companies, fostering a culture of Simplicity, Speed, and Soundness.
Improve core inference services including networking, speech processing, audio transcoding, and latency optimization.
Develop processes for measuring, building, and optimizing services to maximize system performance.
Debug complex system issues involving networking, scheduling, and high performance computing interactions.
Deepgram is the leading platform for the Voice AI economy, providing real-time APIs for speech-to-text, text-to-speech, and voice agents. With over 200,000 developers and 1,300+ organizations, including major partners like Twilio and Cloudflare, Deepgram emphasizes an AI-first mindset and rapid innovation.
Maintain and improve Home Assistant OS support for Nabu Casa hardware platforms, contributing to the wider Home Assistant OS ecosystem.
Support board bring-up for new hardware products including Buildroot configuration, bootloader configuration, and system services.
Investigate and resolve platform-level issues such as boot regressions, driver failures, and kernel panics.
Nabu Casa is the organisation behind Home Assistant, the world's largest free and open-source smart home platform used by over two million households. The company is profitable, has no external investors, and its funding comes from users subscribing to Home Assistant Cloud and buying hardware.
Contribute to the development and improvement of Firefox features related to installs, updates, and OS integrations.
Tackle platform-specific challenges in low-level operating system integration on Windows and/or macOS.
Collaborate with your manager and teammates to scope and prioritize work in alignment with the team’s goals.
Mozilla is a non-profit-backed technology company that has shaped the internet for the better over the last 25 years, making pioneering brands like Firefox. With over 225 million users worldwide, Mozilla is a mission-driven organization focused on open-source software and privacy.
Define and implement validation frameworks for microgrid control software, including HIL testing and simulation environments, to ensure safe and reliable deployment.
Develop test cases and performance criteria in partnership with controls and power systems engineers, verifying controller behavior under normal and abnormal conditions.
Integrate field learnings into validation processes, improve simulation fidelity, and maintain organized repositories of test assets and documentation.
Intersect develops, constructs, and operates large-scale power and data center infrastructure in the US, co-locating industrial demand with dedicated gas and renewable power generation. Acquired by Google in 2026, the company is on an aggressive growth trajectory, building multiple gigawatts of energy projects with a fully flexible workplace culture.
Own the architecture of the Nexus Exchange end-to-end while staying hands-on in production code.
Lead the engineering org, managing timelines, roadmaps, and resourcing across senior engineers and pods.
Drive product and customer outcomes with high-frequency iteration and a business-first mindset.
Nexus is a blockchain built to natively embed the world’s financial system into one compounding system, unifying infrastructure across chains. Headquartered in San Francisco with a growing presence in Buenos Aires, the cross-continental team of engineers and cryptographers is backed by investors like Pantera and Lightspeed.
Advance Firefox's security architecture and cryptography stack, including cryptographic protocols and WebPKI.
Design and implement web platform security features in collaboration with the broader web community.
Improve browser reliability, performance, and resource efficiency through analysis and optimization.
Mozilla Corporation is a non-profit-backed technology company that develops the Firefox web browser and focuses on privacy, AI, social media, and security. With over 225 million monthly users, Mozilla is dedicated to making the internet better for people and is owned by the Mozilla Foundation.