Top Tech Jobs & Startup Jobs

Lead end-to-end machine learning initiatives for Block’s conversational support systems. Responsibilities include developing and maintaining chatbot and recommendation models, researching LLM, RAG, fine-tuning, and real-time inference architectures, shaping long-term ML roadmaps, and guiding cross-functional teams. The role also requires communicating technical strategy and outcomes to leadership and external stakeholders while delivering scalable, production-ready AI solutions across Cash App, Square, and other Block products.

Provides strategic and administrative partnership to senior executives, managing calendars, travel, expenses, operating rhythms, meetings, information flow, and follow-through. Improves workflows through AI, automation, documentation, reporting, and scalable systems. Builds cross-functional relationships, supports executive programs and planning processes, mentors peers, and helps strengthen centralized Executive Operations practices. Principal-level candidates also architect support models, lead process improvements, and coach executive support professionals.

Build and own foundational Android platform infrastructure, including architecture, shared libraries, developer tooling, observability, performance, and experimentation systems. Lead AI-native engineering practices, evaluate AI development tools, and drive cross-organizational technical initiatives. Partner across engineering, product, and design; establish scalable standards; identify systemic risks; communicate architectural tradeoffs; and mentor Android engineers across the organization.

Staff Android Engineer responsible for evolving Cash App’s foundational Android platform, including architecture, infrastructure, shared libraries, developer tooling, observability, and performance systems. The role leads AI-native engineering practices, cross-organizational technical initiatives, architecture reviews, and developer mentorship. Requires deep Android expertise, systems thinking, organizational leadership, strong communication, and experience driving large-scale technical impact across engineering teams.

Build and own foundational Android platform infrastructure, including architecture, shared libraries, tooling, observability, performance systems, and developer experience. Lead cross-organizational technical initiatives, establish Android engineering standards, evaluate AI-assisted development tools, and build AI-powered platform capabilities. Collaborate across mobile, web, backend, product, and design teams while mentoring engineers and driving large-scale organizational impact.

Develop and manage Square’s always-on B2B content engine across social, thought leadership, customer stories, partner content, and industry narratives. Build content calendars, formats, briefs, campaigns, and AI-assisted workflows; collaborate with marketing, sales, creative, communications, and external partners; manage production through launch; and use performance insights to optimize content and distribution.

Own and grow a Raleigh sales territory through primarily in-person prospecting, business visits, demos, partnerships, and full-cycle deal closing. Generate pipeline, build relationships with local sellers, sell Square’s software and hardware solutions, manage referrals, maintain Salesforce activity and forecasts, and consistently exceed quota. The role requires reliable transportation, market residency, disciplined field execution, and experience selling to businesses, preferably in payments, technology, restaurants, retail, or services.

Drive full-cycle field sales across Brooklyn by prospecting local businesses, conducting demos, closing deals, building partnerships, and growing Square’s merchant pipeline. Manage territory activity, seller relationships, referrals, onboarding coordination, Salesforce pipeline tracking, forecasting, and quota attainment. The role requires extensive in-person outreach, including 50–60 business visits weekly, and consultative selling across restaurants, retail, and service businesses.

Drive full-cycle field sales across an assigned territory, including prospecting, door-to-door outreach, live demos, consultative selling, deal closing, partnership development, and referral generation. Build relationships with local businesses, sell Square’s software and hardware ecosystem, maintain Salesforce pipeline discipline, forecast accurately, support onboarding, and consistently exceed sales quotas.

Design, build, scale, and operate high-volume payment APIs and distributed systems serving global traffic. Lead complex engineering projects from requirements through production, improve performance, observability, reliability, fault tolerance, and security, and participate in on-call incident response. Collaborate across product and engineering teams, use AI-assisted development tools responsibly, and mentor engineers through technical reviews, documentation, and guidance.