Build and maintain distributed systems for custody of digital assets, including cash, coins, NFTs, and staking.
Lead medium-to-large projects, breaking down tasks, estimating scope, and ensuring code quality and testing.
Collaborate cross-functionally, mentor team members, and share knowledge to avoid single points of failure.
Anchorage Digital builds a digital asset platform for institutions to participate in crypto through custody, staking, and trading. Founded in 2017, it has over 600 employees and is valued over $3 billion, with a culture focused on security and inclusion.
Design and build transaction parsing, validation, and broadcasting infrastructure across multiple blockchain protocols
Develop and maintain protocol-specific libraries and abstractions that power Turnkey's transaction management layer
Collaborate effectively across the company to design and deliver core product capabilities
Turnkey is developer-first infrastructure for private key management, making it simple to create wallets, sign transactions, and automate on-chain actions. The team is low-ego, high-agency, and high-autonomy, with significant experience in cryptography, security, and low-level systems.
Build the world's fastest APIs delivering globally resilient access to blockchain nodes.
Implement customer management, control, and billing systems.
Scale systems for data ingestion, storage, and query capabilities.
Validation Cloud is an AI platform powering Web3 finance, delivering products across Data x AI, Staking, and Node API, trusted by billions in staked assets. Backed by over $20M in venture funding, it has a world-class team spanning San Francisco, New York, London, and beyond.
Design, develop, and operate ledger and payments services for accurate crypto and fiat money movement.
Build scalable APIs and data models to support new transaction types while ensuring correctness and auditability.
Partner with cross-functional teams and mentor teammates to deliver production-grade code.
Gemini is a global crypto and Web3 platform founded by the Winklevoss twins, offering secure crypto products in over 70 countries. The publicly traded company emphasizes building diverse teams and fostering an open, fair, and secure cryptoeconomy.
Own the design and implementation of platform subsystems end to end.
Anchor meaningful projects, balancing reliability, scalability, and time to market.
Mentor SWE and SWE II engineers and contribute to a strong code review culture.
Stacklok is building the control plane for enterprise AI agents, enabling organizations to run, govern, and secure them on their own infrastructure. The company is led by Kubernetes co-creators and is a startup with a collaborative, AI-maximalist culture.
Design, build, and maintain scalable cloud-native backend services using Golang within a modern microservices architecture.
Develop and operate distributed systems deployed on Kubernetes across major cloud platforms such as AWS, Google Cloud Platform, or Microsoft Azure.
Lead the architecture, design, and implementation of new product features and backend services from concept through production.
A fast-paced, remote-first engineering company building scalable cloud-native platforms for enterprise applications. The team is collaborative, transparent, and mission-driven, with a focus on impactful technology.
Design and build scalable backend systems, APIs, and data pipelines
Own services end-to-end from architecture, development, deployment, to operation
Mentor junior engineers and contribute to a strong engineering culture
We transform vulnerability intelligence by helping security teams act faster with more confidence. We have a transparent, collaborative culture with a small, smart, and supportive team built on over two decades of cybersecurity experience.
Design and implement new features within the Data Product space, including trust-minimized off-chain computation and aggregation of external data in blockchain environments.
Own end-to-end delivery of data products that power the largest market share of DeFi by total value secured.
Build core products with Smart Contracts using Solidity, Move, and Rust.
Chainlink is the industry-standard oracle platform bringing capital markets onchain and powering the majority of decentralized finance. The company has enabled tens of trillions in transaction value and fosters a collaborative, autonomous engineering culture.
Design and implement new US payments gateway functionality in Go, aligned to product requirements and technical architecture.
Work collaboratively with Product, Engineering and other functions to refine requirements and validate implementation choices.
Contribute to technical design activity, including design proposals, implementation plans and problem-solving within Form3 platform architecture.
Form3 revolutionizes the world of payments with cutting-edge technology and innovative solutions. They are a global company that hires talented people from a variety of backgrounds and experiences, committed to a work environment based on diversity, open-mindedness and curiosity.
You will build and scale high-performance backend services using Go, including event-driven systems and REST/gRPC APIs.
You will design and optimize database schemas for large-scale multi-tenant identity workloads.
You will collaborate with cross-functional teams to deliver quarterly key results and ensure operational reliability.
Abnormal AI is an AI-native security platform protecting enterprises from cyber attacks using behavioral AI. Trusted by over 2,500 enterprises (including 25% of Fortune 500), it processes billions of identity signals daily and has a culture of innovation.
Implement components across the on-chain transaction lifecycle, including calldata construction, signing requests, and nonce management.
Build new features within the institutional custody signing pipeline, including submission paths and asynchronous transaction handling.
Write comprehensive automated tests for backend services and smart contracts, and participate in an on-call rotation.
Cari is building blockchain-based payment infrastructure that enables real-time, 24/7 movement of digital money across traditional financial institutions and the digital asset ecosystem. As a pre-launch startup, they offer a remote-first environment with close collaboration from an experienced founding and engineering team.
Designing, building, and running cloud-native microservices in Go that are the backbone of our real-time payments platform.
Taking full ownership of services from design and implementation to deployment and production support.
Collaborating closely with other engineers in a flat, autonomous team structure with a focus on code quality and continuous improvement.
Form3 is a cloud-native payment platform revolutionizing real-time payments with cutting-edge technology. The engineering team is a remote-first group of skilled, collaborative individuals focused on building secure, scalable, and reliable payment technology.
Own the technical strategy for multi-ecosystem scaling, defining architecture for onboarding new language ecosystems.
Drive end-to-end remediation automation, leading redesign of CVE workflows to close the loop from detection to verified release.
Set platform-wide technical direction spanning package index, build pipelines, and orchestration tooling to serve customers and ecosystem teams.
Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of open source software. They serve Fortune 500 enterprises and global industry leaders, and are venture-backed by leading investors, fostering a culture of customer obsession and intentional action.
Own the technical direction for key parts of Chainguard Repository, including customer-facing registries, APIs, and serving systems.
Design, build, and operate high-availability backend services in Go that serve libraries and lay the foundation for containers and APK repositories.
Lead work on scalability, reliability, observability, and load testing for production systems.
Chainguard delivers hardened, secure, and production-ready builds of open source software. They are venture-backed by leading investors and serve Fortune 500 enterprises, with a remote-first culture focused on customer obsession and intentional action.
Design and execute software projects critical to Abnormal's core product, working with a team through conception, launch, and operation.
Own and improve the stability, performance, and scalability of tier 0 backend services processing billions of emails daily.
Collaborate with teams across R&D including Detection, Products, and Infrastructure to ensure services meet organizational needs.
We protect organizations from AI-powered cybercrime using our behavioral AI platform. Trusted by over 4,500 enterprises, we foster a culture of innovation and operational excellence.
Develop high-performance backend services in Go for Web3 and card payment systems.
Build and maintain smart contract integrations and blockchain transaction flows.
Design scalable APIs and microservices for secure financial data handling.
The company builds high-performance backend services for fintech and Web3 payment products. It operates as a fully remote international team with a focus on security and scalability.
Design and implement scalable backend services for enterprise administrators.
Build reliable distributed systems using asynchronous and event-driven architectures.
Develop high-quality software solutions in Go, focusing on public APIs and production-grade services.
This company builds secure, intuitive solutions for managing access, identities, and digital workflows. It is a fast-growing technology team with a remote-first culture and a focus on cybersecurity.
Design and operate backend systems for secure software artifact delivery at scale.
Lead architecture and implementation of core repository systems including package registries and APIs.
Collaborate with engineers to shape engineering practices, reliability standards, and product direction.
They build secure, scalable infrastructure for trusted open source software delivery. They foster a collaborative culture focused on ownership, trust, innovation, and continuous learning, with a remote-first work environment.
Design and improve high-volume transaction broadcasting pipelines and wallet infrastructure for scalability.
Manage transaction lifecycle, including detection, retry, rebroadcast, and recovery of stuck transactions.
Build reliable cross-chain and DeFi integrations handling non-atomic multi-step journeys and swap execution.
MoonPay builds the operating system for value movement, enabling crypto, stablecoins, and tokenized assets. With 30M+ customers and 500+ ecosystem partners, the company maintains a high-standards, high-velocity culture and is regulated across multiple regions.
Design, build, and operate production software systems.
Own significant technical projects from architecture through deployment.
Develop scalable services, APIs, infrastructure, and internal tooling.
The company builds sophisticated infrastructure and software systems. It is a rapidly scaling technology company that values ownership and technical excellence.