Staff Software Engineer, Backend
The Staff Backend Engineer will be a key technical leader responsible for evolving FloSports' backend systems, focusing on distributed systems, identity, and service reliability. Responsibilities include driving modernization efforts for identity and access management, leading the architecture and development of scalable backend services, and providing technical mentorship to senior engineers. The role requires deep expertise in authentication frameworks, TypeScript/Node.js, and cloud architecture on AWS.
Senior Quality Assurance Automation Engineer (remote) - Brazil
AlphaSights is seeking a Senior QA Automation Engineer to lead the design and implementation of scalable automated testing solutions across the platform's frontend, backend, and APIs. Key responsibilities include driving QA strategy, setting technical standards, mentoring junior engineers, and ensuring high-quality releases through robust test automation. This is a hands-on, leadership-oriented role requiring technical expertise in modern testing tools and programming languages.
Systems Engineer - Browser Isolation
This role involves building and scaling Cloudflare Browser Isolation, a secure remote browsing platform. Key responsibilities include designing and building the Chromium-based distributed browsing engine and contributing to the control plane for low-latency remote browsing delivery across the global network. Engineers will solve large-scale problems shaping the future of secure web browsing.
Senior DevOps & Developer Productivity Engineer - Zurich (onsite)
The role involves acting as a DevOps evangelist, leading the development of world-class developer experience and implementing DevOps best practices across teams. Key responsibilities include building and maintaining internal developer productivity tools, owning infrastructure evolution using IaC (Terraform), optimizing CI/CD pipelines, and enhancing reliability and security measures. This position offers an opportunity to tackle high-leverage internal automation problems in a fast-growing, employee-owned SaaS scale-up based in Zurich.
Frontend Engineer
The role is for a Senior React Frontend Developer who is expected to think like a full-stack engineer and take full ownership of their products. Responsibilities include building new features that process large datasets, creating customized client applications, and collaborating with the product team to shape user experience. This position requires deep technical skills and the ability to solve complex customer problems effectively.
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Senior Software Engineer
The company is seeking a driven Senior Software Engineer to develop SaaS-based anti-money laundering (AML) solutions, primarily using Python. Key responsibilities include building data-centric pipelines, developing features to understand media articles, extracting entity information, and applying ML models. This role requires experience in building scalable backend applications and working collaboratively in multi-disciplinary teams alongside Data Scientists and ML Engineers. The position embraces a hybrid work approach requiring two days in the office per week.
Senior Software Engineer (AI Tools)
The Senior Software Engineer (AI Tools) will design and build product features that advance remote development tooling, focusing on integrating with major IDEs like VS Code and JetBrains. Key responsibilities include contributing to open source projects, championing best practices, and collaborating on product integrations, all while leveraging cutting-edge AI technologies to improve developer experience.
Senior Software Engineer, Full-stack
This Senior Full-Stack Engineer role focuses on building solutions for user lifecycles and HRIS integrations within the Users team, impacting all Brex products. Responsibilities include working across the entire stack, owning problems end-to-end from UX to scalability, and driving technical roadmap direction. This position requires 8+ years of experience, with a focus on React frontend alongside full-stack product development, and offers the opportunity to drive direct business impact in a hybrid San Francisco office environment.
Senior Backend Developer
This role involves architecting and delivering scalable, high-performance services and web applications, focusing heavily on backend development using Go (Golang). Responsibilities include engineering secure RESTful APIs, developing modern frontends with React/Next.js, implementing event-driven patterns, and managing data models across SQL and NoSQL stores. The developer will also contribute to CI/CD pipelines, infrastructure as code, and mentor peers.
Systems Engineer, Gateway
This role involves building and maintaining Cloudflare's Gateway and DNS Filtering products, focusing on high-performance global edge network data plane services and control plane APIs. Engineers will work on systems like forward-proxy services and DNS resolvers using technologies such as Rust, Go, and Kubernetes. The position requires solving problems at massive scale in a fast-paced, growth-oriented environment.
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Systems Engineer, Cloudflare Tunnel
The Systems Engineer on the Cloudflare Tunnel team will be a key contributor to building and maintaining a product that securely connects any machine to the Cloudflare network. Responsibilities include designing, building, and maintaining software systems across the high-performance global edge network and centralized microservice cluster. The role involves working on features for Tunnel and Zero Trust products, collaborating across engineering teams, and ensuring high-quality, scalable solutions.
Senior Software Engineer, Analytics And Reporting
The Analytics and Reporting (ART) team member will develop and enhance Cloudflare's analytics and reporting capabilities, focusing on data ingestion, storage, processing, and visualization for Zero Trust. Responsibilities include developing software applications using Go, working with technologies like Kubernetes, Postgres, and Kafka, and delivering full-stack data-driven solutions from conception to deployment.
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.
Senior Software Engineer - Backend
Ceribell is hiring a Senior Software Engineer with a backend focus to develop, maintain, and improve the backend systems for their novel EEG Portal web application used in acute care settings. Responsibilities include designing scalable backend systems, managing databases, developing secure RESTful APIs, ensuring regulatory compliance, and collaborating with cross-functional teams. This is a hybrid role based in Sunnyvale, focused on building next-generation applications that support critical medical data access and analysis.
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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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.
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.
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.