Data Engineer
Zapier is hiring two Data Engineers: one for Product Data Engineering and one for Data Platforms. Both roles involve building and scaling data systems using a modern stack, with the Product team focusing on powering product features like personalization and billing, and the Data Platforms team focusing on foundational infrastructure, governance, privacy, and security.
Engineering Manager
The Engineering Manager will architect, refactor, and scale a high-load distributed system while leading technical execution through coding and reviews. Key responsibilities include performance tuning, making critical design trade-offs, and owning incident resolution alongside Product Owners and Architects. Candidates should bring over 5 years of backend experience focused on Node.js/TypeScript, containerization, and cloud technologies.
Software Engineer, Collect
The Software Engineer on the Collect team will be responsible for building critical internal tools and applications used by hundreds of employees. This role involves contributing to user-facing products by crafting both front-end and occasional server-side code, and building resilient, mission-critical systems. Key activities include collaborating with engineering colleagues, identifying roadblocks to increase team velocity, and continuously adopting new technologies for performance improvements.
Founding Sales Engineer
This role is for one of the earliest Go-to-Market hires, owning end-to-end technical customer engagement from discovery through POC to deal close. Key responsibilities include driving early revenue, leading technical discovery, owning sales pipeline, and acting as the technical voice in sales cycles. Success involves running POCs that convert, building scalable solution patterns, and shaping product direction based on customer feedback.
Senior Frontend Engineer, Experimentation
This Senior Software Engineer role is critical for evolving Reddit's Experimentation Platform to be world-class, focusing on accelerating innovation and growth through trustworthy A/B testing. Key responsibilities include designing and implementing the end-to-end user experience for the platform, developing high-scale data products, and driving technical solutions for complex design challenges across Reddit services. The engineer will leverage technical expertise and leadership skills to steer high-leverage projects and mentor other contributors.
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Sr. Data Engineer
This role involves working with the Manager of Engineering to contribute to the architecture, development, and sustainment of InStride's data platform and ecosystem. Key responsibilities include providing hands-on technical leadership to build and maintain the data platform, contributing to architecture discussions, and driving best practices for schema design and performance optimization. The ideal candidate is an experienced data engineer passionate about enabling data-driven decision-making to support the company's educational mission.
Staff AI Solutions Engineer
The Sr. AI Solutions Engineer will be the hands-on technical owner for driving customer onboarding and adoption for Built's new Agentic AI product, focusing on designing, building, and tuning agent workflows, prompts, and evaluations. Key responsibilities include translating client SOPs into production workflows, acting as the technical escalation point for concurrent customers, and reporting performance metrics. Success involves quickly learning the platform, owning technical delivery for active implementations, and building repeatable patterns to support new customer launches.
Staff Developer, Enterprise Ready
The Staff Developer, Enterprise Ready role involves shaping the architecture and evolution of 1Password's Enterprise Password Manager product. Key responsibilities include providing technical leadership, influencing strategic direction, and pioneering new technologies and best practices in coding, testing, and deployment. This role requires deep expertise in system architecture and hands-on leadership to drive critical features focused on the admin persona.
Senior Software Development Engineer in Test (sdet)
The Senior SDET will be responsible for designing, developing, and maintaining scalable test frameworks using tools like Playwright/Cypress for end-to-end automation, and Jest/Vitest for front-end testing. Key responsibilities include ensuring system reliability and modularity, integrating testing into GitHub Actions CI/CD pipelines, and collaborating cross-functionally on test strategies. This role requires 3-5 years of hands-on automation experience to help shape the platform from a startup phase into an enterprise-ready product.
Senior Software Engineer - Fabric
The Senior Software Engineer will lead the end-to-end design and development of a new public-facing API platform, focusing on scalability and security. Key responsibilities include utilizing Python, Node.js, and TypeScript to build APIs, developing initial AI agents leveraging this platform, and defining API standards. The role requires a strategic engineering mindset, a minimum of 6-8 years of backend/fullstack development experience, and a B.S. or M.S. in Computer Science or equivalent.
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Staff Quality Engineer
ClickUp is seeking experienced Quality Engineers to ensure the performance and reliability of its AI-powered web, mobile, and desktop platforms used by millions. Key responsibilities include automating core user flows, creating prioritized test suites, and collaborating with engineering squads on test planning and defect resolution to maximize reliability while maintaining velocity.
Full-stack Staff Product Engineer
MZLA Technologies Corporation is hiring a generalist Full-Stack Staff Product Engineer to work across the entire stack on a new privacy-centric AI assistant product. Responsibilities include designing and implementing end-to-end features, making architectural decisions, and building cross-platform experiences using technologies like React, Tauri, and Rust. This role requires extensive experience (10+ years total, 5+ frontend) and thrives on ownership across frontend, backend, desktop shell, and AI integrations.
Full-stack Staff Product Engineer
MZLA Technologies Corporation is seeking a versatile Full-Stack Staff Product Engineer to help build a new privacy-centric, cross-platform AI assistant. The role involves designing and implementing end-to-end features across the entire modern stack, including frontend (React), backend, desktop integration (Tauri), and AI/LLM capabilities. This role requires significant ownership over architectural decisions and the full product development cycle, ensuring data privacy through local-first architecture.
Senior Software Engineer, Web Services
The Senior Software Engineer, Web Services will help shape the future of email by building systems and infrastructure for Thunderbird using leading-edge technologies like JMAP. Key responsibilities include leading technical initiatives, designing and maintaining services in Python and Typescript, and optimizing email deliverability. This role requires 7+ years of software engineering experience, including significant hands-on work in web infrastructure, service architecture, or DevOps.
Senior Software Engineer, Web Services
The Senior Software Engineer, Web Services will help shape the future of email by building systems and infrastructure to power Thunderbird's evolution into a suite of privacy-respecting productivity tools. Key responsibilities include leading technical initiatives, influencing product vision based on user needs, and designing, building, and maintaining services in Python and Typescript. The role requires analyzing complex email delivery issues, optimizing infrastructure for performance, and supporting service stability through occasional on-call rotation.
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Senior Software Engineer, Web Services
The Senior Software Engineer, Web Services will build systems and infrastructure powering Thunderbird and develop innovative web products using leading-edge technologies like JMAP. Key responsibilities include leading technical initiatives, shaping product vision based on user needs, and designing, building, and maintaining services primarily in Python and Typescript. Candidates need significant experience in web infrastructure/service architecture, direct experience with email delivery, and the ability to own features from ambiguous requirements through to final delivery.
Sr. Software Engineer, Partner API - Latam
The Sr. Software Engineer, Partner API role involves building scalable, reliable backend systems for Engine's travel platform, focusing on supplier integrations, search, pricing, and booking. Responsibilities include crafting backend solutions, enhancing API performance, integrating new partners, and scaling core services. This is a full-time contractor position specifically for candidates based in Latin America.
Senior Software Engineer, Full-stack - Vehicle Data Platform
The Senior Software Engineer will lead the design and development of products and abstractions based on vehicle telematics data within the Vehicle Diagnostics team. Responsibilities include leading technical discussions, collaborating across teams on design decisions, and owning the end-to-end lifecycle of diagnostic data from on-vehicle capture to customer delivery. This role emphasizes shipping features used immediately by customers and iterating based on feedback while influencing the product roadmap.
Website Engineering
This role seeks an expert Website/Frontend Engineer to build a high-performance, state-of-the-art website using React and Next.js. Key responsibilities include implementing new landing pages, running A/B tests for growth engineering, and taking end-to-end ownership of features from concept to deployment. The ideal candidate is highly focused on UI quality, web performance, and collaborating closely with design and product teams.
Scale (yc S16) - Software Engineer (robotics & Autonomous Systems)
The Software Engineer (Robotics & Autonomous Systems) will be a key contributor building production systems for robotics data collection, model training pipelines, and evaluation infrastructure. Responsibilities include owning and architecting large-scale data processing pipelines, building ML training pipelines, and developing tools for data collection and model evaluation. This role requires working across backend (Python, Node.js, C++) and frontend (React, TypeScript) stacks to deliver end-to-end solutions for cutting-edge robotics and AV customers.