Top Tech Jobs & Startup Jobs

Lead the AI Quality engineering team while remaining hands-on building evaluation infrastructure, observability tooling, diagnostic systems, datasets, annotation workflows, and CI/CD pipelines for production AI agents. Run experiments across prompts, models, routing, caching, and agent harnesses to improve quality, latency, and cost. Partner with AI Core engineering and manage technical direction and team priorities.

Translate English software UI text and online marketing content into natural European Spanish. Maintain meaning, tone, variables, formatting, glossaries, and style guidelines using key-based localization tools. Review and resolve linguistic QA issues, communicate availability and delivery risks asynchronously, and coordinate with Circle and another translator to maintain coverage. Work independently as a remote contractor while collaborating primarily through Slack.

Translate software UI text and online marketing content from English into natural European Portuguese. Preserve meaning, tone, formatting, variables, and cultural conventions while following Circle’s glossary and style guide. Use key-based localization tools, resolve linguistic QA issues, communicate availability and risks asynchronously in Slack, and coordinate coverage with another translator. The role requires professional localization experience, native-level European Portuguese, strong English communication, independent judgment, and familiarity with SaaS or digital products as a bonus.

Translate English software UI text and online marketing content into natural, culturally appropriate Italian. Preserve meaning, tone, variables, formatting, and brand guidelines while using key-based localization tools. Review linguistic quality issues, communicate availability and delivery risks asynchronously, and coordinate with Circle and another translator. The role is a remote independent-contractor engagement with limited meetings and regular Slack collaboration.

Lead Circle’s creative direction and brand narrative across launches, campaigns, advertising, video, events, partnerships, and other major company moments. Work closely with founders, design, product marketing, paid media, video, and events teams to create distinctive, high-performing storytelling. Shape creative concepts, scripts, copy, and experiences while raising quality through influence, collaboration, and strong creative judgment.

Own growth for Circle’s Discover marketplace by driving traffic, GMV, transactions, acquisition, engagement, and retention. Lead experimentation, lifecycle email programs, subscriber acquisition, SEO/AEO, creator success initiatives, funnel and cohort reporting, and growth strategy. Collaborate with product, paid media, data, brand, partnerships, leadership, and creators in a hands-on player-coach role.

Lead Circle’s brand design across product launches, campaigns, events, advertising, social, motion, and digital experiences. Build scalable visual identity systems, develop creative concepts and storyboards, translate complex software and AI capabilities into compelling visual narratives, and collaborate with Marketing, Product Marketing, Content, Motion, and Leadership. Present concepts, incorporate feedback, maintain exceptional design quality, and explore AI-powered creative workflows.

Develop and promote product quality across multiple engineering teams through exploratory, risk-based, automated, API, and integration testing. Build reliable test coverage, investigate complex application and CI failures, improve testability and feedback loops, identify systemic quality issues, and influence product and technical decisions. The role also supports quality strategy, reusable test infrastructure, developer tooling, and engineering productivity.

Lead Circle’s social media function by developing and executing platform-native content strategies, producing and editing short-form video, managing content calendars and capture workflows, and partnering with leadership, events, community, partnerships, and marketing teams. Track social performance metrics, identify content opportunities, attend events, and establish repeatable systems to improve reach, engagement, and publishing consistency.

Leads Circle’s strategic partnerships function, including strategy, creator and business relationships, negotiations, campaigns, events, content, measurement, and scalable partnership programs. Owns performance goals, develops playbooks and operating systems, directs high-value partnerships, and collaborates with executives and cross-functional teams to drive customer growth, brand awareness, revenue, and market positioning. Manages and develops senior leaders while shaping both creative and commercial partnership strategy.