Senior UX Prototyper (contract)
The Wikimedia Foundation is seeking a Senior UX Prototyper for a 4-month contract role, starting January 2026, to support the Moderator Tools team. This fully remote position involves designing and building high-fidelity, code-based prototypes for the Moderator Homepage and conducting iterative user experiments.
Senior Engineering Manager (m/f/d)
Affinidi is seeking a Senior Full Stack Engineering Manager to lead multiple engineering teams building the Affinidi Elements platform, focusing heavily on backend systems using Rust and TypeScript. The role requires blending people leadership with deep technical leadership, driving architectural decisions, quality assurance, and technical strategy for secure, scalable, and performant distributed systems. Key responsibilities include growing high-performing teams, defining best practices, and executing the technology roadmap in collaboration with product stakeholders.
Full-Stack Developer L3 /agentic AI
Robots & Pencils seeks a Full Stack Developer (L3) to build and scale conversational and agentic AI applications, integrating LLMs and robust APIs. The role involves engineering both front-end (React/Next.js) and scalable backend services, while collaborating closely with cross-functional teams on feature implementation and delivery. Candidates must possess strong software engineering fundamentals and practical experience with modern development tools.
Staff Software Engineer, Frontend
Observe is seeking a Staff Frontend Engineer to develop an interactive, data-rich user interface for their SaaS Observability tool using modern web technologies. Responsibilities include owning end-to-end feature delivery and working closely with cross-functional teams to contribute to the product vision. Candidates should have 7+ years of experience building complex enterprise applications and a sophisticated understanding of interface design patterns.
Infrastructure Engineer
The Infrastructure Engineer will drive projects to improve the reliability and performance of core production infrastructure, including clusters, networking, and databases. Responsibilities include owning incident management, championing best practices through reviews, and setting production reliability goals with engineering leadership. Candidates should have 5+ years of relevant SRE/server-side engineering experience and strong systems fundamentals.
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Engineering Manager, Activation
The Activation Engineering Manager will own the activation and self-service onboarding flows for Anrok, critical for scaling the customer base. Responsibilities include hiring, managing, and growing the engineering team, setting technical strategy, driving high-quality execution, and contributing to engineering culture. The role involves coding alongside engineers as needed and finding appropriate uses for AI in automation.
Software Engineer, Product
As a Product Engineer at Meter, you will shape how companies visualize and interact with networks using intuitive, elegant, and performant experiences on the customer dashboard. Key responsibilities include creating real-time data visualizations, improving render/load/scroll performance, and building reusable visualization components. You will work primarily with TypeScript, React, Vercel, and GraphQL to deliver high-quality, well-tested code.
Senior Php Engineer
FloSports is seeking a Senior PHP Engineer to modernize and scale backend systems supporting their digital sports streaming platform. Key responsibilities include supporting high-throughput legacy systems, participating in code reviews for quality assurance, and contributing to system design evolution. The role requires balancing stability and performance while focusing on pragmatic, maintainable solutions for millions of fans.
Founding Product Designer
This is a leadership role for a founding UI/UX Design Engineer to join an AI startup in Toronto, owning the end-to-end design engineering process. Key responsibilities include designing user experience, shaping the component library, building accessible React components, and integrating AI-assisted workflows. The role requires strong systems thinking, visual taste, and the drive to lead by building production-ready interfaces.
Senior Software Engineer (Frontend) - Design System & Accessibility (x/f/m)
The role seeks a Senior Software Engineer to join the Design System & Accessibility Team, focusing on building and maintaining common frontend building blocks using React and TypeScript. Key responsibilities include designing scalable, accessible React components, championing A11y best practices, collaborating with designers and feature teams, and driving the technical vision and adoption of the Design System.
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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.
Staff Data Platform Engineer
The Staff Data Platform Engineer role at Flo blends Data Engineering, Backend Engineering, and Cloud Engineering to build reliable, scalable, and efficient data services that power fan experiences. Key responsibilities include leading the architecture and design of large-scale distributed systems, developing fault-tolerant microservices for real-time and batch processing, and driving data quality initiatives. The engineer will also be expected to mentor others and take end-to-end ownership of the software development lifecycle.
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.
Lead Software Engineer - Billing
The Lead Software Engineer will guide a team in building a new internal pricing, packaging, and billing platform, overseeing integrations with third-party payment systems. This hands-on leadership role involves contributing to code, strategy, and architecture to support Klaviyo's international growth and product launches. Key responsibilities include driving best practices and integrating AI workflows into billing systems.
Senior Product Engineer Nyc
The company is seeking a generalist Senior Product Engineer to join their early team in New York City, focusing on building user-facing aspects of the Starbridge platform. Responsibilities include developing highly performant, stable frontends that effectively explain technical concepts to non-technical users. Candidates should possess significant experience in modern web ecosystems, particularly with React and TypeScript, and be excited to build an in-person culture.
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Senior Full-stack Blockchain Engineer
This role involves designing and building the infrastructure and user-facing systems for a next-generation stablecoin and programmable money platform, working across smart contracts, backend, and frontend integrations. Key responsibilities include designing stablecoin smart contracts, building robust backend reconciliation systems, and developing DeFi yield protocols. The engineer will focus on security, scalability, and compliance while collaborating with auditors and compliance teams.
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.
Engineering Manager Education Rvpr
The Engineering Manager will lead a software engineering team focused on data and application development within RV Education. Key responsibilities include technical and managerial leadership, mentoring engineers, improving engineering processes, and serving as a liaison between engineering and other departments. The role requires strong technical skills in the specified stack and is based in San Juan, Puerto Rico, operating on a hybrid schedule.
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.
Senior Frontend Engineer - AI Agents
The Senior Frontend Engineer will join one of PandaDoc's new AI Agent teams to build user experiences for AI-powered document creation and management using large language models. Key responsibilities involve designing intuitive interfaces for AI interactions, building real-time feedback systems, and collaborating with backend/ML engineers. This role focuses on greenfield initiatives, involving complex technical challenges like responsive AI chat interfaces and dynamic document editing.