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About NexusNexus is innovating at the intersection of artificial intelligence, blockchain, and zero-knowledge cryptography to build a Layer 1 for the AI era. Our team of world-leading experts is developing the Nexus Layer 1 blockchain, Nexus zkVM, and other breakthrough products with the goal of creating a verifiable world.Nexus has raised $25M in Series A fundingfrom Lightspeed, Pantera, Dragonfly, SV Angel, and more.Location:Remote (commutable distance to Buenos Aires)Type:InternshipDuration:3 months with potential for extensionThe RoleAs an opportunity to learn from and partner with our SF-based Engineering team, we're looking for frontend, backend and mobile engineering interns to help design, build, and optimize user-facing features for our next-generation web applications. You'll work closely with our product, design, and backend teams to bring intuitive, performant, and accessible experiences to life. The idóneo candidate is passionate about clean code, enjoys solving product and engineering challenges, and thrives in a fast-paced, remote-first environment.ResponsibilitiesBuild seamless and secure frontend features and user experiences across web, mobile and CLI (e.G., TypeScript, Next.Js, CSS, Rust, React, React Native, Swift, Kotlin).Translate Figma designs into pixel-perfect, accessible, and responsive interfacesCompile and integrate Rust-based zkVM components into web applications using WebAssembly.Maintain blockchain infrastructure components including RPC endpoints, explorers,



and developer tooling.Iterate rapidly based on developer feedback and usage data to improve usability and performance across the ecosystem.Optimize for performance, usability, and browser compatibilityParticipate in code reviews, architectural discussions, and continuous improvement initiativesCommunicate clearly in a distributed team environment (Slack, Notion, GitHub, Linear)Requirement: Must possess fluency in Business English (spoken and written)You Might Be a Fit If You HaveProficiency in JavaScript/TypeScript and ReactExperience writing, testing or auditing Solidity-based smart contracts adhering to security best practices.Comfort working with API layers, including authentication flowsAn eye for detail and care for UX, animations, and interaction designFamiliarity with Git workflows and remote collaboration toolsPursuing a degree or recently graduated from universityBonus PointsExperience in Web3Experience with full-stack development (Node.Js, PostgreSQL, Prisma)Familiarity with feature flagging, analytics, or A/B testing infrastructureExperience in compiling and integrating Rust-based zkVM components into web applications using WebAssembly.Write, test, and audit Solidity-based smart contracts adhering to security best practices.Why Join UsWork on high-impact, user-facing products in an ambitious startup environmentCollaborate with experienced engineers and product buildersFast-moving projects and clear technical ownership

Postúlate en Kit Empleo: kitempleo.com.ar/empleo/q1ur9

📌 Intern Software Engineer (Argentina) (Buenos Aires)
🏢 Nexus
📍 Buenos Aires