Douro Labs builds market data infrastructure used across decentralized finance. The engineering team develops backend systems, smart contracts, SDKs, monitoring tools, and open-source components that support Pyth-related products. In this Software Engineer role, you’ll work on both on-chain and off-chain projects, contribute to developer-facing tooling, and participate in shaping product...

Plume Network is developing infrastructure for tokenized capital markets, with a focus on core EVM-based components that support features such as RWA tokenization, identity attestations, and onboarding workflows. The Junior Smart Contract Engineer will work closely with the CTO to build, deploy, and maintain Solidity smart contracts central to the...

Spearbit, along with its Cantina platform, builds tools that address security needs across the Web3 ecosystem. The team provides infrastructure that supports collaborative security reviews, security competitions, bug bounties, incident response workflows, and AI-driven code analysis. The Full Stack Engineer will contribute to the design and development of core user-facing...

Offchain Labs is seeking a Site Reliability Engineer to support and scale infrastructure powering the Arbitrum ecosystem. The role focuses on maintaining Kubernetes-based deployments, automating infrastructure using declarative tooling such as Terraform, and working within GitOps workflows using tools like ArgoCD. The candidate will diagnose complex reliability issues across distributed...

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,...

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...

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...

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...

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...

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 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 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....

Polygon Labs builds aggregation-based blockchain infrastructure via the Agglayer and contributes to core scaling technologies such as Polygon PoS, Katana, and developer frameworks. The Engineering Manager, Payments role leads the development of a global fintech stack supporting digital payments, wallet infrastructure, compliance pipelines, currency conversions, and on/off ramp experiences. This...

Polygon Labs develops aggregation-based blockchain infrastructure via the Agglayer, enabling interoperability and shared liquidity between connected chains using Ethereum as a settlement layer. The On-Chain Treasury & Liquidity Analyst is responsible for managing Polygon Labs’ on-chain balance sheet, deploying capital across DeFi venues, maintaining hedged currency exposure, and overseeing multi-asset...

This role leads the Quality Engineering function for Trust Wallet’s ecosystem of applications across Android, iOS, browser extension, and web. The position is responsible for defining the automation roadmap, modernizing the existing test infrastructure, and guiding the technical evolution of the testing framework from Appium + Java toward a unified...