You will create and scale new consumer products for ClassDojo’s network of tens of millions of children and families. Working closely with co-founders and leadership, you will turn data and intuition into experiences that expand the company’s impact in global education.
Blacksmith Agency, a boutique digital firm in Phoenix, AZ, specializes in custom website design and development for clients like Google and General Electric. We are looking for a project manager to support the planning and execution of web maintenance projects, ensuring alignment with client goals and data-driven user experiences.
We are seeking a systems software engineer to drive the design, implementation, and evolution of the Taproot Assets Protocol. You will contribute to mission-critical cryptocurrency daemons and collaborate on future protocol iterations. The ideal candidate possesses a deep understanding of the Bitcoin core protocol, smart contracting updates, and standards like PSBTs. You will help make Bitcoin usage cheaper, faster, and simpler through robust engineering and open source collaboration.
You will define how developers interact with Runway’s API, covering everything from account setup to billing and rate limits. Working closely with platform engineering, you will transform complex technical surfaces into intuitive interfaces, playgrounds, and code samples that accelerate integration.
Join Reka as a Member of Technical Staff focused on Machine Learning. You will contribute to building multimodal artificial intelligence by designing architectures and implementing solutions for large deep learning models. The team operates remotely with headquarters in the San Francisco Bay Area. You will collaborate with engineers and researchers to translate advanced research into practical, scalable software applications.
You will lead the development of unique, custom WordPress solutions, transforming designs into interactive web experiences. Acting as a technical advisor alongside the Director of Engineering, you will guide the team in clean code practices while managing complex backend and frontend tasks.
Join the team behind HTTPie to develop high-quality user-facing features for both web and desktop platforms. You will work on a shared codebase, implementing complex components and real-time collaboration tools while ensuring top-tier performance and user experience.
Join the team as a Senior Product Designer to shape the experience of developer tools. You will own all user touchpoints, ensuring that usability is prioritized alongside technical functionality. The role requires designing interactions at various fidelity levels and validating solutions through testing.
Join the team behind HTTPie to build high-quality features for the Cloud, Web, Desktop, and Terminal products. You will work across the entire stack, from database models to UI components, focusing on simplicity and developer experience.
Join the team behind httpie, a popular open-source HTTP client with over 50,000 GitHub stars. You will drive the development of this tool, ensuring high-quality code, simple design, and excellent user experience while actively engaging with the developer community.
Join a small, mission-driven team building Post, a social network focused on civil conversation and real news. You will take end-to-end ownership of data engineering tasks, analyzing complex relationships within large datasets to enhance the user experience.
Join Post.News as a Senior or Principal iOS Engineer to help shape a social platform focused on civil conversations and real news. You will collaborate with cross-functional teams to design, prioritize, and implement new features for the mobile app. This position offers full ownership of development tasks, from initial design to final deployment. You will work in a flat organization where every member contributes directly to the product's success and user experience.
Join Lightning Labs as a hands-on Security Engineer focused on scaling the engineering organization's security posture. You will devise and implement best practices for systems security, covering public-facing network services and cryptocurrency infrastructure. This position requires collaborating across functional boundaries to ensure comprehensive security coverage. You will work with a highly distributed international team, contributing to the mission of global financial freedom through Bitcoin technology.
Join a small, mission-driven team building Post.News, a social platform focused on civil conversations and real news. As a Principal Engineer, you will design and maintain high-performance backend infrastructure while collaborating with cross-functional teams to deliver new features.
Allium transforms fragmented blockchain data into a standardized system of record for financial institutions. By ingesting and verifying data from over 140 chains, the company provides audit-grade answers for risk, accounting, and product teams. Engineers solve challenges related to data egress, bot detection, and unifying streaming with batch processing.
Join Lightning Labs as a Senior Platform Engineer focused on improving the developer experience through robust infrastructure management. You will handle cloud technologies, cluster operations, and backend services while supporting development teams with integrations and platform security.
Join Runway's applied research team to build AI that simulates the world by merging art and science. You will develop cutting-edge computer vision and generative models, ensuring they integrate seamlessly with user interfaces for creative tasks. This position requires collaborating with backend, design, and frontend engineers to bring research from conception to production. The team focuses on creating human-in-the-loop systems that accelerate progress in robotics, scientific discovery, and storytelling.
Runway is building world models to simulate reality, merging art and science to solve complex problems in robotics and scientific discovery. As a Research Science Manager, you will guide the Applied ML Research team in developing state-of-the-art machine learning tools for content creation. This cross-functional position involves collaborating with engineering to transition research into production and working with product teams to ensure projects deliver user value. You will mentor researchers and drive technical strategy aligned with business objectives.
Join the core API team at Runway to help scale a platform that handles thousands of requests per second. You will work on critical infrastructure powering both external developer tools and internal systems, managing user data, task orchestration, and billing. This position focuses on high-impact engineering within a mature production system. You will design async workflows, optimize Postgres queries, and implement security measures to maintain reliability at scale while improving the developer experience.
Join Linear as a generalist engineer working across the entire stack to shape the future of software building. You will collaborate closely with founders and designers to implement new concepts, integrate AI functionality, and enhance the real-time collaborative editor. The team values autonomy, high ownership, and software craftsmanship. You will drive complex end-to-end features from idea to shipment, focusing on performance, user experience, and scalable UI components in a lean, high-output environment.
We are seeking a systems software engineer with expertise in applied cryptography and distributed systems. The position focuses on advancing Bitcoin infrastructure through work on lnd, neutrino, and BOLT specifications. You will help create next-generation smart contract applications while ensuring the network remains fast, cheap, and simple for users. Collaboration with the broader community and internal teams is central to this role.
Join Lightning Labs as a Senior Engineering Manager to help expand the engineering team. You will collaborate directly with the CTO to ensure product quality, proper resource distribution, and team agility across functional boundaries. This position requires a highly technical leader capable of analyzing complex tradeoffs in software design. You will drive the delivery of secure and robust software while fostering team harmony and individual satisfaction.
We are seeking a systems-oriented engineer to develop key components that support the bootstrapping and expansion of the Lightning Network. Your work will focus on creating tools that lower barriers for routing node operators and improve infrastructure management. You will build software for automated channel selection, capital optimization algorithms, and monitoring suites. The goal is to make Bitcoin usage cheaper, faster, and simpler through robust backend systems.
Join a team dedicated to cryptography, decentralization, and privacy by bringing Bitcoin and Lightning technology to a broader audience. You will define the vision and roadmap for infrastructure products while collaborating with engineering and design teams to solve complex technical challenges.
Join Linear to shape the future of software building by creating tools for the AI era. You will work as a generalist across the entire stack, taking ownership of features from concept to deployment in a high-autonomy environment. The team values deep focus and asynchronous collaboration, with optional co-working spaces available. You will contribute to a platform used by thousands of companies, ensuring high performance and polished user experiences.
Join Linear's distributed team to shape the next generation of software development tools. You will work on scalable systems, focusing on performance, real-time collaboration, and high-quality user experiences. The company values deep focus, async collaboration, and software craftsmanship.