Deliver backend services that coordinate fast, fault-tolerant cross-chain transactions across multiple blockchain ecosystems
Improve system reliability and resilience under adversarial conditions to strengthen protocol trust and uptime
Reduce transaction processing latency through optimizations in RPC usage and system performance
Chainlink is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). They have enabled tens of trillions in transaction value and now secures the vast majority of DeFi.
Design and build core systems for our new product from scratch
Build low-latency, high-reliability services that interact directly with Solana's transaction and block building pipeline
Implement security at every layer, from transaction signing to user data protection
Jito builds the Market Layer of Solana, the infrastructure that powers real markets on-chain. They build foundational network infrastructure and are a small, profitable company with product-market fit where every team member drives significant technical decisions and shapes our product roadmap.
Define and drive the technical architecture for the SSCS Add-On, including backend systems for package policy enforcement, provenance generation, artifact signing, and malicious package detection.
Lead design and implementation work for Supply-chain Levels for Software Artifacts (SLSA) Level 2 and Level 3 capabilities within GitLab CI/CD.
Architect integrations with Sigstore services such as Cosign, Fulcio, and Rekor, including approaches for signing workflows, verification, and trust boundaries.
GitLab is the intelligent orchestration platform for DevSecOps. More than 50 million registered users and more than 50% of the Fortune 100 trust GitLab to ship better, more secure software faster.
Develop the secure software at the core of the Anchorage Digital Platform.
Refactor bottlenecks, reduce feedback loops and simplify APIs to improve the code base.
Mentor engineers on the team within their area of specialization or domain.
Anchorage Digital is building the world’s most advanced digital asset platform for institutions. They are a diverse team of more than 600 members, uniting minds from platform security, financial services, and distributed ledger technology.
Lead the design and development of products and solutions for state governments and enterprise customers
Work side-by-side with customer delivery leads, engineers, and UX designers to ensure successful projects delivery and deployments
Translate customer requirements into technical architectures and working implementations
SpruceID builds privacy-preserving, standards-based digital identity and credentialing solutions. They give individuals control of their information while enabling governments and enterprises to deliver secure, interoperable services.
Develop and maintain infrastructure that powers digital asset custody, trading, staking, and settlement for enterprise financial institutions.
Contribute to virtual accounting layers, API integrations, and multi-tenant platform architectures with guidance from senior engineers.
Write clear, concise, tested code and participate in code reviews to improve engineering practices.
Anchorage Digital is building the world’s most advanced digital asset platform for institutions to participate in crypto. They are a diverse team of more than 600 members, united in building the future of finance by providing the foundation upon which value moves safely in the new global economy.
Perform security reviews of our current and future product and service portfolio.
Be the security subject matter expert for product architects and engineers for threat modeling.
Find new and novel ways to identify and resolve security vulnerabilities in our products.
Palantir builds software for data-driven decisions and operations, empowering partners to develop lifesaving drugs, forecast supply chain disruptions, and locate missing children. They value excellence and encourage employees to work from their offices to foster connectivity and innovation.
Design and implement high-throughput, low-latency services and libraries in Rust and TypeScript
Manage the full lifecycle of on-chain wallets across blockchains - from derivation to ownership, at the scale of a global exchange
Build and maintain the systems that ensure liquidity for clients while maintaining strict compliance with regulatory requirements
Kraken is a mission-focused company rooted in crypto values, aiming to accelerate the global adoption of crypto for financial freedom and inclusion. As a fully remote company with Krakenites in 70+ countries, they develop premium crypto products for experienced traders, institutions, and newcomers.
Research and develop offensive agentic capabilities that become core Sybil features
Hunt for real vulnerabilities across a range of target environments and translate what you find into repeatable, automated techniques
Build and ship end-to-end customer-facing features: from research spike to production deployment
Founded in 2023, RunSybil is automating hacker intuition by building Sybil: an AI-driven pentester. Backed by investor support and customer traction, their team comprises experts from OpenAI, Meta, Mandiant, Palantir, Cruise, Trail of Bits, and Aptiv.
Design and implement backend features across the Add-On's software supply chain security surface.
Build and improve the package policy evaluation engine, including rule compilation, request matching, enforcement decisions, and performance-sensitive execution paths tied to GitLab's Dependency Firewall infrastructure.
Develop artifact signing and verification workflows, including Sigstore and Cosign integrations, signing key lifecycle management, keyless signing with OpenID Connect (OIDC), and policy-based promotion gates, enabling trusted and auditable software delivery.
GitLab is the intelligent orchestration platform for DevSecOps. More than 50 million registered users and more than 50% of the Fortune 100 trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works; they embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact.
Guide the design and implementation of backend features for GitLab Secret Detection in Ruby on Rails, GraphQL, and Go.
Build clean, well-tested, maintainable code that meets GitLab standards for reliability and performance.
Partner with product management and engineering peers to deliver backend capabilities that improve detection, validation, remediation, and audit trail coverage.
GitLab is the intelligent orchestration platform for DevSecOps. They enable organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. They have more than 50 million registered users and are a high-performance culture driven by their values and continuous knowledge exchange.
Own product-level security across backend services, infrastructure, and CI/CD pipelines.
Lead threat modeling and security reviews for new features and architectural changes.
Identify high-impact, systemic security risks and drive long-term, preventive solutions.
Solflare is a fast-growing crypto wallet that aims to build a powerful gateway to Web3. Founded in 2021, Solflare has nearly 140 employees with offices in Zagreb, Belgrade, and Novi Sad, and it takes on bold challenges with curiosity, grit, and a deep sense of accountability in its culture.
Design and develop smart contracts and DeFi protocols on the Solana Virtual Machine
Build and optimize secure vault systems for asset management and yield strategies
Collaborate with security teams to ensure protocols are protected against exploits
Veda builds vault infrastructure for DeFi at scale, managing $2B+ in total value locked across 15+ blockchain networks. They are a 35-person team that’s raised $18M at Series A, transitioning from founder-dependent operations to scalable engineering practices.
Design, develop, and maintain core cloud platform services including compute orchestration, resource management, multi-tenancy, and API gateway components using Go, Java, Python, or Rust.
Build and optimize RESTful/gRPC APIs and microservices that support cloud resource provisioning, lifecycle management, and monitoring on Bitdeer AI Cloud.
Develop scalable, fault-tolerant distributed systems that handle high-throughput workloads across multi-region deployments.
Bitdeer is a world-leading technology company for Bitcoin mining and AI cloud. They are committed to providing comprehensive Bitcoin mining solutions for its customers, designing industry-leading ASIC chips, and manufacturing mining rigs, with operations globally and a diversified 3 GW energy portfolio.
Build the Git/GitHub backbone for our controls, assets, and risk scenarios.
Stand up a trust data lake (likely in Google BigQuery) and the pipelines that feed it.
Automate control evidence collection and other “governance as code” workflows.
Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on. Our customers include Fortune 500 enterprises and global industry leaders, and they are venture-backed by leading investors.
Assist in designing and maintaining secure infrastructure on EKS in our multi-cloud environment (AWS) using Infrastructure as Code (Terraform).
Write code (Python, Go, or Bash) to automate manual tasks, threat detection, and vulnerability management processes.
Integrate security tools (SAST, DAST, SCA) into our CI/CD pipelines, ensuring developers receive fast, actionable feedback on their code.
Smartsheet helps people and teams achieve anything with seamless work management and scalable solutions. They empower teams to automate the manual, uncover insights, and scale smarter, creating space for impactful work. The company values diverse perspectives and supports employee growth.
You will plan and execute infrastructure deployments, using automation to ensure a stable platform.
You will manage operations, troubleshoot, and optimize workflows to maintain high availability.
You will own backend features supporting our platforms and interface with users for feedback.
Trust Wallet is the leading non-custodial cryptocurrency wallet, trusted by over 200 million people worldwide to securely manage and grow their digital assets. They aim to give individuals the opportunity to own their assets and participate in the future economy.
Partner with product managers, designers, and analysts to identify growth opportunities and turn them into high-quality, data-driven engineering solutions.
Implement reusable services and components that power marketing campaigns, onboarding, KYC, and first-funding experiences across web and mobile.
Collaborate on distributed systems that handle large volumes of global traffic while maintaining high performance and reliability.
Kraken is a mission-focused company rooted in crypto values. They aim to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. As a fully remote company, they have Krakenites in 70+ countries and are industry pioneers who develop premium crypto products.
Lead security efforts across infrastructure, applications, internal systems, and employee devices
Identify risks and vulnerabilities across the organisation and ensure they are addressed
Establish scalable security processes and best practices across teams
LI.FI is dedicated to fostering a workplace that values and respects each team member's unique contributions. They value differences and encourage individuals of all backgrounds to apply.