Drive all aspects of chip design, including Functional Specification, Micro-architecture, RTL development, and Synthesis.
Work closely with PD, DV, and software teams to achieve PPA goals, functional coverage, and optimal performance.
Debug silicon-level functional, timing, and power issues during bring up.
Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs, delivering industry-leading training and inference speeds. It works with leading model labs and global enterprises, with recent partnerships including OpenAI, and fosters a simple, non-corporate culture that values individual beliefs.
Design and implement high-performance networking code for the Zscaler Client Connector, predominantly using Rust.
Build solid, testable, well-documented foundations to improve code quality across multiple desktop platforms.
Debug complex network-related problems and collaborate with product managers and teams to deliver customer-impacting features.
Zscaler accelerates digital transformation with a Zero Trust Exchange platform that securely connects users and protects against cyberattacks. The company's platform spans 200+ data centers, fostering ownership and collaboration.
Architect and implement bare-metal C firmware for RISC-V management cores in AI/HPC networking silicon.
Establish secure firmware loading, engine initialization, and multi-die support with robust validation.
Provide technical leadership, define hardware/software interfaces, and integrate AI-assisted engineering tools.
The company develops next-generation networking silicon for AI and high-performance computing infrastructure. It fosters a collaborative, technically ambitious remote engineering culture with a focus on innovation.
Build alongside engineers, PMs, and designers in pairs, trios and solo on the most impactful features.
Lead frontend architecture, evolving patterns from real, repeated cases.
Mentor engineers and hold AI-generated code to a high standard through review.
BackerKit helps creators bring projects to life, powering some of the world’s most successful crowdfunding campaigns for over a decade. We're a remote-first company of ~40 people with a diverse, close-knit team that prizes creativity, enthusiasm, and a willingness to learn.
Act as the directly responsible individual for the team's highest-scope initiatives, shaping long-range technical goals for the static analysis engine.
Set technical direction for AI-assisted tooling that implements, reviews, and validates engine changes, including SAST rules mapped to CWE and OWASP.
Mentor engineers through code review and pairing, and participate in on-call rotations to troubleshoot production and security operations.
GitLab is an intelligent orchestration platform for DevSecOps that helps organizations increase developer productivity, improve operational efficiency, and reduce security and compliance risk. With over 50 million registered users and more than half of the Fortune 100 as customers, GitLab fosters a high-performance, remote-first culture that embraces AI and continuous knowledge exchange.
Own features through the full lifecycle: from architecture, implementation, and docs to deployment and monitoring.
Build rigorous conformance and adversarial tests to ensure implementation compatibility.
Execute safe protocol upgrades and resolve complex availability/performance issues.
OP Labs builds Optimism, a blockchain network that powers next-generation financial infrastructure, used by hundreds of companies including Sony, Coinbase, and Uniswap. It is a small team backed by $178M from a16z and Paradigm, with a fast-paced, mission-driven culture centered in NYC.
Lead the architecture and development of the Hercules Database, backend services, and SDKs.
Engineer for low latency, high throughput, and efficient resource use across data-intensive, multi-tenant systems.
Build and operate reliable hosting infrastructure with strong tenant isolation, observability, and failure resilience.
Hercules builds the future of AI software development with a platform-as-a-service including a database, backend services, and SDKs. It is an early-stage company with a founding team based in San Francisco and a culture that values shipping fast, excellence, and hunger.
Design browser engine experiments to evaluate performance, correctness, and developer tooling.
Build engine-level prototypes for reliable programmatic interaction with dynamic web content.
Collaborate with the technical lead to assess trade-offs and shape new browser product direction.
Jobgether is an AI-powered job matching platform that connects candidates with hiring companies through skills-based screening. This role is posted on behalf of a partner company exploring browser technology with a small, technically focused team.
Design and implement FPGA code for Kepler's satellite digital payloads, focusing on DSP algorithms for software-defined radios or embedded systems.
Participate in all phases of FPGA design flow, from simulation and synthesis through timing closure and hardware testing.
Collaborate with lead engineers on communications architecture and integrate IP cores for new satellite constellation features.
Kepler Communications operates the first commercial optical data relay constellation, providing real-time, on-orbit connectivity for critical missions. With 33 satellites launched and a Great Place to Work certification for seven years, the company fosters a culture of bold thinkers and passionate problem-solvers.
Develop and maintain Linux software across the full Ubuntu stack for next-generation silicon and hardware platforms.
Collaborate with silicon and technology partners on new architectures, optimization, and open-source contributions.
Work remotely with a globally distributed engineering team on Linux, AI, IoT, and emerging technologies.
They develop and maintain Ubuntu across next-generation silicon and hardware platforms, collaborating with global technology partners. The team works in a globally distributed, remote-first environment with a strong focus on open source and engineering excellence.
Work with cross-functional teams to deliver embedded processing solutions for communications and networking.
Own the FPGA firmware lifecycle from MATLAB/Simulink algorithms through architecture, integration, and test.
Establish HDL workflows and best practices for simulation, verification, and system testing.
Anduril Industries is a defense technology company transforming U.S. and allied military capabilities with advanced technology, including an AI-powered operating system called Lattice OS. The company brings a fast-paced, mission-driven culture focused on delivering cutting-edge autonomy, AI, and sensor fusion to the military.
Provide subject matter expertise for ADCS and imaging payload subsystem software design and development.
Drive work to completion in an Agile environment, collaborating with cross-functional teams to deliver mission-critical software.
Ensure documentation, tests, and analysis verify compliance with requirements, supporting systems engineering and release processes.
BlackSky is a real-time intelligence company that operates a space-based intelligence platform providing satellite imagery, automated analytics, and high-frequency monitoring. Its global team works with cutting-edge technology and prides itself on being people-first, customer-focused, and fun.
Design and optimize compiler infrastructure using MLIR, TVM, and LLVM for Quadric's proprietary GPNPU architecture.
Develop graph-level optimizations, operator fusion, quantization, and memory allocation strategies for deep learning models.
Collaborate with hardware teams on instruction set extensions and validate compiler correctness on FPGA and ASIC platforms.
Quadric is building the world's first General-Purpose Neural Processing Unit (GPNPU), enabling edge devices to run neural network inference and conventional C++ code on a single programmable architecture. Founded in 2016 and based in Burlingame, California, the company has a collaborative, low-ego culture focused on innovative disruption with significant ownership and impact.
Lead projects from idea to launch, partnering with product, design, and engineering teams.
Build features across the stack, from customer-facing card experiences to backend money movement systems.
Mentor engineers and elevate quality through design and code reviews.
Mercury is a fintech company offering banking services to startups, including debit and credit cards. The company emphasizes diversity, belonging, and a high-ownership, collaborative culture.
Develop and maintain Firefox features for installs, updates, and OS integrations.
Solve platform-specific challenges on Windows and macOS with guidance from senior engineers.
Participate in code reviews, identify bugs, and contribute to an inclusive, distributed team.
Mozilla is a non-profit-backed technology company that builds the Firefox browser and other internet products, with a mission to make the internet better for people. With over 225 million monthly users and a distributed, open, and inclusive culture, the company focuses on AI, social media, and security.
Design, implement, test, and maintain reliable software using functional programming principles.
Collaborate with engineers, technical leads, and client stakeholders to deliver robust, maintainable solutions.
Apply strong typing, domain modelling, and abstraction to improve software correctness and reliability.
Obsidian Systems is a software engineering consultancy that builds production systems for capital markets and other regulated industries. We are a remote-first, globally distributed team that values ownership, curiosity, and clear communication.
Ship new capabilities for Command, an LLM-powered financial assistant.
Partner with product and compliance teams to define and test new capabilities.
Join a small, experienced team building the future of Mercury.
Mercury builds technology that pushes forward financial interfaces for the long term, such as the LLM-powered financial assistant Command. It is a small but mighty team of experienced product and AI engineers with a scrappy startup environment.
Work closely with CPU architects, RTL designers, and software engineers to develop verification strategies.
Build robust test environments and uncover corner cases in modern out-of-order processors.
Own meaningful portions of the verification effort from test plans to debugging failures.
Tenstorrent is a leader in AI technology, developing high-performance RISC-V CPUs and AI platforms. The company values collaboration, curiosity, and solving hard problems, and is growing its team with contributors of all seniorities.
Implement privacy-improving, anti-tracking, and threat intelligence protections into Firefox.
Advance the browser engine by building performant C++, JavaScript, and Rust code in Gecko.
Work asynchronously with a geographically distributed team to ship complex privacy features.
Mozilla Corporation is the non-profit-backed technology company behind Firefox and other internet privacy brands. With over 225 million monthly users, we are a mission-driven, open-source organization shaped by a culture of innovation and public service.
Develop custom IP for new features of the Kepler satellite digital payloads
Iterate on current DSP and interface designs to improve reliability
Work with IP core vendors and lead engineers to integrate new functionality and develop future satellite communications and network architecture
Kepler operates the first commercial optical data relay constellation, enabling real-time, continuous space communications while supporting advanced on-orbit compute and hosted payload capabilities. With 33 satellites launched to date, Kepler is a dedicated team of engineers building the next generation of spacecraft in an innovative and inclusive environment.