Senior/staff Smart Contract Engineer
Design, develop, optimize, and audit smart contracts in Solidity for on-chain collateral markets. Build DeFi primitives (vaults, lending mechanics, staking) and contribute to greenfield financial products. Work across core protocol components and middleware SDK while addressing security vulnerabilities.
Staff Software Developer
As a Staff Software Developer on the Enablement team at PENN Entertainment, you will lead the design and architecture of foundational platform capabilities, including GraphQL APIs, event-driven systems, and regulatory compliance tooling. You will collaborate with engineering teams to optimize performance, mentor engineers, and ensure scalable, reliable solutions for customer-facing applications like theScore and Hollywood Casino.
Staff Software Developer
The Staff Software Developer will lead the design and architecture of foundational platform capabilities for PENN Entertainment's digital products, including theScore, theScore Bet, and Hollywood Casino. The role focuses on building scalable, reliable systems such as a Federated GraphQL API, event-driven architecture, and regulatory compliance tooling while mentoring engineers and optimizing distributed systems.
Senior Developer, Authentication Experience
As a Senior Developer on the Authentication Experience team at 1Password, you will focus on enhancing the user experience around signing in and unlocking 1Password apps. This role involves integrating with the authentication stack to deliver seamless and secure authentication solutions for both business and consumer users.
Senior Software Engineer - Full-Stack
Lead the design and implementation of scalable, AI-driven web applications as a Senior Fullstack Software Engineer at Read AI. Architect distributed systems, mentor junior engineers, and set technical standards for a fast-growing productivity platform backed by $81M in funding.
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AI Architect
As an AI Architect at TENEX, you will lead the design and architecture of scalable, high-performance AI systems for cybersecurity solutions. This role involves defining technical strategy, building autonomous detection workflows, and mentoring senior engineers while collaborating cross-functionally to enhance threat detection and response capabilities.
Full-Stack Software Engineer, OpenAI Edu
OpenAI’s Education team is seeking a product-minded Full Stack Engineer to build education products from the ground up. The role involves owning end-to-end development across the stack, collaborating with learning scientists and cross-functional teams to create rigorous, AI-driven educational experiences for learners and institutions.
Forward Deployed Engineer
Origin is seeking a Forward Deployed Engineer to act as a technical bridge between its endpoint observability platform and customers. The role involves embedding with customers to build bespoke solutions, including custom telemetry integrations, AI agent observability extensions, and tailored security capabilities. The position requires hands-on full-stack engineering and collaboration with R&D teams to translate field insights into product improvements.
Staff Software Engineer, SDK (language Runtime)
This role is for a Staff Software Engineer focused on the Language Runtime SDK team at Temporal, an open-source programming model provider. Key responsibilities include taking end-to-end ownership of new features, designing and building Temporal SDKs that tightly integrate with respective language runtimes, and developing foundational features for agentic AI systems. The engineer will also collaborate with the community to debug issues and write public technical documentation, all within a fully-remote company structure.
Software Engineer II, R37
The Software Engineer II for the R37 Team contributes to projects across the entire software lifecycle, from requirements analysis to production deployment, focusing on building reliable and scalable features for US healthcare revenue cycle management. Key responsibilities involve writing clean, well-tested code, ensuring production reliability through monitoring, and partnering with cross-functional teams like product managers and designers. This role requires competency in modern programming languages and cloud infrastructure, with a strong interest in leveraging AI-native development tools.
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Software Engineer III, R37
The Software Engineer III role at R37 focuses on independently delivering robust, scalable features from conception through production within the US healthcare revenue cycle management sector. Key responsibilities include owning projects end-to-end, designing straightforward code, and ensuring reliability through quality testing and monitoring. Candidates must have proven experience operating large-scale data platforms and proficiency in modern programming languages while embracing AI-native tools.
Engineering Manager, R37
The Engineering Manager for R37 will lead and support a team of AI, data, and full-stack engineers, driving the development and enhancement of AI capabilities for revenue cycle management products. Key responsibilities include defining the roadmap, fostering a high-performing team through recruitment and mentorship, and championing agile methodologies. This role requires 3+ years of engineering management experience, expertise in hiring, and proficiency in modern programming languages like Python, along with experience in cloud infrastructure like AWS or GCP. Selected candidates will participate in an in-person interview at one of the US talent hubs (San Francisco, New York, Austin, or Chicago), with travel accommodations provided if necessary.
Senior Software Engineer, R37
This Senior Software Engineer role focuses on building and operating robust, scalable, AI-driven systems for transforming healthcare financial performance using a modern programming stack. Key responsibilities include owning complex business problems end-to-end, executing system design, and providing technical direction for projects. Candidates must demonstrate proven experience building large-scale data platforms and possess strong skills in modern languages and cloud infrastructure.
AI Applied Engineer
The AI Applied Engineer will join a high-autonomy team focusing on building and maintaining open-source SDKs and reference applications that integrate Redis with AI agent frameworks like LangGraph. Key responsibilities include designing implementations, triaging community feedback, driving customer proofs of concept, and channeling real-world findings back to core engineering teams. Candidates must have production experience shipping agentic or RAG systems, strong engineering fundamentals, and demonstrable open-source contributions.
Developer Intern - Platform Advancement - Summer 2026
This is a remote Developer Intern position within Canada for Summer 2026 (May to August). The intern will join the Product, Frameworks, and Tooling team to implement new design system components and tools used by other developers. Key responsibilities include contributing to documentation, testing infrastructure, and participating in design and code reviews.
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Senior Software Engineer, SDK React Native
The Senior SDK Engineer will own the developer experience for Ditto's React Native SDK, focusing on designing and shipping APIs that bridge JavaScript with native Android/iOS code. Responsibilities include debugging issues across the full stack (TypeScript down to Rust core), implementing native modules, and developing comprehensive test suites. The role is key in ensuring the SDK meets high standards for reliability, performance, and developer ergonomics in a globally distributed, async-first team.
Senior Security Engineer, Application Security
The Senior Security Engineer, Application Security, will embed with engineering teams to ensure systems and pipelines are secure by design. Key responsibilities include conducting threat modeling, auditing for vulnerabilities, and developing automated security tooling. This hands-on role focuses on defining application guardrails and fostering a culture of secure development across the organization.
Senior Software Engineer, SDK
The Senior Software Engineer will own the technical direction and delivery of Ditto's JavaScript SDK, focusing on WebAssembly (WASM) and Rust integration. Key responsibilities include architecting the WASM layer, designing ergonomic TypeScript APIs, and solving complex cross-runtime concurrency challenges between Rust core and JavaScript environments. The role requires deep expertise in Rust, WebAssembly compilation, and browser platform knowledge to optimize performance and bundle size for real-time web applications.
Staff Backend Engineer
The Staff Backend Engineer will be a key contributor shaping the platform's services by ensuring consistent API performance across mobile and web clients. Responsibilities include designing and building robust backend services in TypeScript/Node.js, leading technical planning, and mentoring peers. This role is ideal for a self-motivated engineer focused on elegant, scalable backend solutions that impact learners globally.
AI Applied Engineer
This role involves joining an influential engineering team to build and maintain open-source SDKs, plugins, and reference applications that integrate Redis with AI agent frameworks like LangGraph and AutoGen. Key responsibilities include triaging GitHub issues, embedding with strategic customers for POCs, collaborating cross-functionally on launches, and channeling performance feedback back to core engineering teams. Candidates must have production experience shipping agentic or RAG systems in Python.