This open application internship is offered by Nethermind for individuals interested in contributing to blockchain, Ethereum infrastructure, Web3 technologies, cryptography, research, and related fields. Applicants may come from various technical or analytical backgrounds and will have the opportunity to collaborate with distributed teams on research, engineering, infrastructure, or product-focused work....

This role focuses on implementing and optimizing cryptographic systems related to zero-knowledge proof generation. Axiom develops verifiable and privacy-preserving software components, including the OpenVM zkVM framework, which supports flexible verification of program execution. The ZK Proof Engineer will contribute to building and refining ZK-enable infrastructure, integrating low-level computing, compiler frameworks,...

This role focuses on developing cross-platform mobile applications within Trust Wallet’s engineering organization. As a React Native Engineer, you will contribute to mobile app feature development, UI performance, debugging work, and shared component deployment across iOS and Android. The work includes collaborating with product, design, and backend teams to implement...

This internship is intended for MSc/PhD students interested in contributing to research and engineering in large-scale AI model development at Tether. The role involves participation in building and improving SOTA models in domains such as LLMs, video models, and multimodal architectures. Interns will also work on enhancing distributed training infrastructure...

QuickNode is a global remote-first infrastructure provider supporting large-scale blockchain applications. The company’s engineering team maintains high-performance, globally distributed systems that serve billions of requests daily. This Senior Software Engineer role sits within the Build team, working on core infrastructure and new product capabilities. The position requires tackling complex, unsolved...

QuickNode is a global, remote-first blockchain infrastructure company operating high-performance validators, RPC services, and indexing pipelines for large-scale Web3 applications. This role focuses specifically on Solana production operations—ensuring validators, RPC nodes, and related hardware deliver low-latency, reliable performance at scale. The position involves deep systems-level work across Linux, kernel tuning,...

Guardianlink is seeking a Web3/AI Social Strategist who will lead its narrative and engagement efforts on Twitter, with a focus on emerging trends around AI, Web3, trading, and digital asset culture. The role involves publishing engaging content formats, tracking real-time market and tech discussions, and interacting with community members and...

QuickNode is a remote-first blockchain infrastructure company supporting Web3 builders with high-performance global data services. The Solutions Engineering team guides enterprise and high-growth customers through technical evaluation, solution design, and adoption of QuickNode’s infrastructure. As a Solutions Engineer II, you will act as a trusted technical partner during pre-sales engagements,...

Ava Labs is hiring a Staff Backend Engineer for their Institutional Custody division, focused on designing and scaling secure blockchain and wallet infrastructure. This role sits at the intersection of technical leadership and hands-on engineering, leading long-term architectural direction and backend development using Golang. The position works closely with cross-functional...

Mysten Labs builds foundational blockchain infrastructure and protocols, including the Sui and Walrus ecosystems. The Developer Relations team connects directly with developers, providing guidance, feedback channels, and resources to help teams build next-generation Web3 applications on the Mysten stack. As a Senior Developer Relations Engineer, you will develop technical expertise...

Offchain Labs, the team behind the Arbitrum scaling ecosystem, is hiring a Security Engineer focused on securing cloud and blockchain infrastructure. The role involves working across AWS-based environments, Kubernetes, multi-region access systems, VPN-based security, and secrets management tools such as Vault or KMS. This position will support architecture analysis, threat...

Mysten Labs develops foundational infrastructure for decentralized systems and Web3 applications. The Walrus Core team is building Walrus, a decentralized storage network designed for high efficiency, strong safety guarantees, and long-term scalability. As a Senior Software Engineer, you will work on the low-level components that power Walrus nodes, storage pipelines,...

Offchain Labs is hiring a Blockchain Engineer focused on smart contract development within the Arbitrum Nitro technology stack. The role involves working across the lifecycle of smart contract engineering — from specification design and prototyping to production code and testing. The engineer will collaborate with internal research and product teams,...