Full-Stack Engineer, Contacts
Calendly is seeking an experienced Full Stack Engineer to support and scale its monolithic platform as it decomposes into services. Responsibilities include building new features, contributing to platform scaling initiatives, and working across squads to improve engineering practices. Candidates need 2-5 years of experience with front-end technologies like React/TypeScript and backend principles, alongside a commitment to writing clean, reliable code.
Full-Stack Engineer, Scheduling
The Full Stack Engineer III will be a key contributor to the Scheduling group, focusing on designing and supporting core features and architecture within Calendly's evolving monolith platform. Responsibilities include collaborating on new features for enterprise customers, driving platform scaling initiatives, reviewing code, and mentoring team members. The role requires 4+ years of experience and hands-on capability with Service-Oriented Architectures and modernization efforts.
Senior Full-Stack Engineer (pythonts, AI Project)
The role is for a Senior Full Stack Engineer to design and deliver core functionality for a large-scale web application using React/TypeScript, Python/FastAPI, and PostgreSQL. Key responsibilities include leading architectural planning, implementing full-stack features, and building a sophisticated multi-LLM orchestration layer. Candidates must have advanced proficiency in the core stack and proven ability to architect systems and communicate technical decisions clearly.
Engineer, Backend (events Team)
This role is for a Backend Engineer joining the Events Team at Zapier to build and enhance foundational event and queuing services. Key responsibilities include working with scalable event systems based on technologies like Kafka and AWS, and developing tooling to support internal teams. The engineer will be involved in maintaining highly available cloud infrastructure and ensuring system reliability through best practices and on-call rotation.
Senior Full-Stack Engineer - Developer API, Poe (remote)
This Senior Full Stack Engineer role contributes to Quora's Poe product, focusing on enhancing the Developer API and enabling third-party developers through new features and usage insights UIs. Responsibilities involve partnering with cross-functional teams to shape the product roadmap, rapidly prototyping features across the stack, and ensuring scalable, reliable API functionality. The engineer will be critical in planning and implementing new product features, championing developer experience, and participating in on-call duties for the high-quality product.
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Intermediate Full-Stack Engineer
The role is for an Intermediate Full-Stack Engineer responsible for independently delivering features end-to-end with a focus on high quality and strong testing practices. Key responsibilities include designing, building, and maintaining features across the platform using Next.js, React, Node.js, and Firebase. The engineer will also contribute to architectural decisions, refactoring, and mentoring junior staff while embedding quality throughout the development lifecycle.
Backend Engineer, Node.js/TypeScript
The Backend Engineer will collaborate with cross-functional teams (Frontend, Product, QA) to develop robust new features, APIs, and continuously improve industry-leading products. Key responsibilities include maintaining high-volume, scalable systems, ensuring idempotency, and providing customer-centric development. Candidates must have expertise in Node.js, TypeScript, and PostgreSQL, along with proven experience in API development and system scalability design.
Product Engineer
This Product Engineer role involves working directly with Tempo's partners to build and deliver production-ready applications and integrations on the Tempo blockchain. Key responsibilities include scoping, architecting, and delivering customer applications, owning full-stack partner applications, and collaborating across product and engineering teams. It is a highly technical, high-ownership position for engineers focused on customer needs and product execution.
Senior Full-stack Engineer
The Senior Full-Stack Engineer will lead the development of LLM-powered products in marketing and advertising technologies, focusing on systems architecture and full-stack web application building. Key responsibilities include leading architecture design, implementation, code reviews, and mentoring junior staff. This role is primarily based in Berlin but offers fully remote work within Germany.
Internship - Software Engineer - Electron/react
This internship involves integrating into a dynamic team to develop and maintain internal tools essential for order management, production, and traceability. Responsibilities include working on technical and functional issues using Electron, Typescript, and React, and collaborating with business teams to develop software solutions. The role requires strong fundamentals in Typescript and React, knowledge of Electron, and proficiency in French and English.
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Staff Software Engineer (contract to Hire)
Sully.ai is seeking a Staff/Principal-level full-stack engineer to build and scale AI teammate products using TypeScript/React and Python services. Key responsibilities include designing core components, optimizing performance, and integrating LLMs into production workflows. This role requires proven expertise in LLM application scaling, API design, and strong cloud infrastructure background, operating under a high-performance contract-to-hire structure.
Senior Software Engineer (contract to Hire)
Sully.ai is seeking a Senior Software Engineer for a Contract-to-Hire role to design, implement, and optimize core components across frontend, backend, and model integrations. The role requires extensive full-stack experience with React, TypeScript, and Node.js, focusing heavily on shipping and scaling LLM-powered applications. Key responsibilities include driving engineering direction, establishing observability/instrumentation, and delivering production-grade workflows that meet strict performance and error budget targets.
Director, Engineering (platform, Seceng, Data Science/AI)
This Director of Engineering role focuses on leading and elevating Procurify's Platform Engineering, Security Engineering (SecEng), and Data Science & AI pillars. Key responsibilities include defining technology strategy, building scalable foundations, ensuring platform security and reliability, and driving innovation through data and AI initiatives. The successful candidate will be a hands-on leader responsible for mentoring teams and executing a multi-year roadmap for modernization.
Lead Architect
The Lead Architect will define the next generation of Procurify’s cloud, data, and AI platforms, focusing on system design, platform scalability, and data intelligence to ensure resilience and AI-readiness. Key responsibilities involve architectural leadership, partnering with product and engineering leadership to align architecture with business strategy, and mentoring senior engineers. This high-impact technical role requires deep technical expertise combined with system-level thinking to drive architectural vision and foster innovation.
Distribution Software Engineer III - Web
The Software Engineer III will be responsible for developing new functionalities for Stone's main websites (stone.com.br, ton.com.br, pagar.me), focusing on quality, performance, and user experience. Key duties include collaborating with cross-functional teams, participating in agile ceremonies, and ensuring smooth integration between product, design, and frontend. Candidates are expected to have experience with React, Typescript, NextJS, and various testing methodologies, alongside a strong focus on business value delivery.
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Distribution Software Engineer III - Web
The Software Engineer III will be responsible for participating in and developing features for Stone's websites (stone.com.br, ton.com.br, pagar.me) focusing on quality, performance, and user experience. Key technical expectations include experience with React, Typescript, NextJS, various testing strategies, and A/B testing tools. The role requires strong collaboration with product, design, and frontend teams, participation in agile ceremonies, and a focus on delivering business value.
Mid Full-Stack Engineer
The Fullstack Engineer joins the Cards team to accelerate the roadmap by shipping high-impact features end-to-end using the TypeScript/NextJS/GraphQL stack. Key responsibilities include taking engineering ownership of technical decisions, execution, and shipping high-quality, user-facing features across the Cards domain. The role requires strong fundamentals, clear technical thinking, and the ability to balance speed with correctness in a fast-moving, high-autonomy environment.
Software Engineer
Maki is seeking a fast-moving, product-minded full-stack engineer to take ownership over the full lifecycle of their AI products. Responsibilities include scoping and leading technical projects, building reliable AI agent systems, and leveraging the latest advancements in LLMs and vision models. The role requires strong autonomy and a desire to contribute significantly to building the company's technology and culture from the ground up.
Principal Software Development Engineer, Navigation
The Principal Software Development Engineer will lead technical excellence and innovation for the Navigation organization, defining the technical vision for all Navigation products. This strategic role involves designing and building large-scale distributed systems from the ground up, driving development with cross-functional partners, and mentoring a global team of engineers. Key responsibilities include setting the long-term technical roadmap, promoting innovation, and advocating for customer needs through direct engagement.
Software Engineer, Agent
The Software Engineer, Agent role involves designing and delivering production-grade, mission-critical AI agents that directly drive revenue across industries like finance and healthcare. Responsibilities include owning the entire Agent Development Life Cycle (ADLC) and partnering directly with large enterprises and startups to solve pressing business challenges. The engineer will also guide the evolution of Sierra's core platform based on direct customer feedback and prototyping new features.