Build and scale back-end components for a programmatic advertising platform handling millisecond response times.
Develop proprietary AI agents for media buying and content tagging in collaboration with a data scientist.
Act as a senior engineer guiding peers through code reviews while integrating with third-party AdTech platforms.
Smart Working connects skilled professionals with outstanding global teams for full-time, long-term remote roles. It is a highly-rated workplace on Glassdoor with a remote-first culture that values growth and well-being.
Build application components and pages with modern frontend frameworks.
Implement real-time data feeds and pipelines using WebGPU, MQTT, and Redpanda.
Design data models and integrate machine learning models into the application.
Spear AI is a defense contracting company that builds a data management and artificial intelligence platform for maritime domain awareness, including sonobuoy sensors and SONAR data processing. The team is small with a flat organizational structure where employees collaborate directly with leadership and focus on mission-critical work.
Evaluate AI-generated coding interactions end to end for correctness and engineering judgment.
Assess whether outputs reflect strong engineering taste and provide clear, opinionated feedback.
Help define what great looks like for AI coding tools like Codex, Claude Code, and Cursor.
G2i Inc. is a technology staffing company that connects software engineers with remote contract opportunities. The company values engineering excellence and provides flexible, ongoing projects for senior-level developers.
Design and build backend systems that are clean, testable, and efficient.
Ship customer-facing features and work closely with deployment and go-to-market teams.
Bring care to testing, quality, and long-term maintainability while shaping engineering practices.
Duna is redefining identity for the global economy, backed by world-class investors including Index Ventures and founders from Stripe, Adyen, and OpenAI. As a remote-first team, we foster a transparent, ambitious culture and are building a company where you can do your best work.
Build and evolve Darkplane using TypeScript, Node.js, and Go for control-plane and analytics services.
Design secure code sandbox environments and help customers adopt AI in their SDLC safely.
Partner with AI engineers to make agentic workflows reliable and fast in production.
Dash0 is an OpenTelemetry-native observability platform that eliminates vendor lock-in and meaningless toil. Backed by Balderton Capital, Accel, and Cherry Ventures, they are a fast-growing startup with a collaborative, builder-minded culture.
Own problems end-to-end across Matomo Core, from customer insight to shipped improvements.
Work across PHP, MySQL, JavaScript, Vue.js, and TypeScript to build a widely used analytics platform.
Use AI-assisted development to move faster while maintaining high standards for security and privacy.
Matomo builds privacy-friendly, open-source web analytics that gives organizations full ownership of their data. They are an independent, profitable company with a small, collaborative team that values transparency and product quality.
Build and maintain performant, responsive, and accessible web experiences used by millions of visitors.
Own projects end to end, from technical design through deployment, measurement, and iteration.
Partner with Marketing, Content, SEO, Design, and Product to translate business needs into scalable technical solutions.
Calendly is a scheduling platform that helps millions of people and businesses automate meeting scheduling. The company values learning, growth, and doing the best work of your life alongside talented peers.
Develop and maintain full-stack applications using Java, Spring Boot, Angular, and TypeScript.
Own product development end-to-end, from architecture to deployment, within an autonomous engineering team.
Use and critically review AI-generated code while applying modern application security practices.
The company focuses on transforming complex global work compliance into automated technology in an AI-first, security-driven environment. With a remote-first culture, it emphasizes autonomy, continuous learning, and high-impact product ownership, though specific employee numbers are not disclosed.
Build and maintain AI agent harnesses: tool calling, agent loops, context management, structured outputs.
Develop reusable tools and modules for AI across model types and sizes.
Design resilient systems for network failures, model errors, timeouts, and retries.
This company develops AI harness and peer-to-peer technology to enable local AI at scale. It is a fully remote, globally distributed engineering environment valuing autonomy, technical curiosity, and continuous innovation.
Own and contribute to architecture and development for feature management and experimentation platforms.
Build scalable backend services and frontend experiences using Node.js, TypeScript, and modern frameworks.
Drive technical decisions across distributed systems, data modeling, and observability while collaborating with product and design teams.
A technology company building a platform for feature flags, staged rollouts, and experimentation. The company has a remote-first culture and emphasizes ownership, collaboration, and AI-assisted engineering.