Top Tech Jobs & Startup Jobs

Supports private market investment operations, including monitoring investments, preparing investor reporting, managing SPVs and investment vehicles, tracking capital calls and commitments, completing subscription documents, and responding to investor inquiries. The role also contributes to digital investor experience improvements, onboarding and educational materials, process enhancements, and new investment product launches while collaborating with investment, engineering, product, design, legal, and operations teams.

Provides document and administrative support for high-volume retirement plan amendments. Interprets ERISA, Internal Revenue Code, and Department of Labor regulations; independently makes amendment decisions, coordinates with clients and internal teams, and signs plan documents on Fidelity’s behalf. Ensures amendments align with plan provisions, Fidelity services, recordkeeping systems, and client objectives while supporting standardized, lower-complexity solutions.

Manages supply chain operations across three polymer manufacturing sites, including purchasing, sourcing, supplier relationships, outside processing, inventory, cost reduction, and materials availability. Leads and develops supply chain personnel, standardizes processes, negotiates supplier terms, oversees ERP/MRP records, manages risk and capacity, and supports demand and supply planning. The role collaborates with plant, production, quality, engineering, sales, finance, and enterprise supply chain leadership.

Manage Parachute Health’s respiratory product catalog and insurance coverage rules engine. Research respiratory product categories, analyze healthcare coverage criteria, build and maintain catalog data in a CMS, translate requirements into eligibility workflows, and align catalog content with ordering rules. Collaborate with product, engineering, account management, customer success, suppliers, and other stakeholders while documenting solutions, demonstrating work, researching regulatory changes, and identifying workflow improvements.

Supports development, improvement, and implementation of manufacturing processes for aerospace composite components. Responsibilities include process analysis, Lean improvements, technical documentation, quality issue resolution, tooling evaluations, production support, new product introduction, manufacturing methods, process flows, bills of materials, and labor estimates. Collaborates with engineering, production, quality, procurement, and suppliers while supporting QMS, safety, and customer requirements.

Manages paid advertising across Meta, TikTok, and Google, including campaign strategy, setup, optimization, budgeting, testing, and performance analysis. Tracks customer acquisition, conversion, efficiency, and ROAS using GA4 and Shopify data. Develops creative briefs, recommends UGC and creator-led concepts, conducts full-funnel analysis, and provides reporting and optimization recommendations while collaborating with the Marketing team.

Cinder is building a paid expert network for specialists who test AI models for safety risks. Projects may involve red teaming, jailbreak testing, image, video, audio, agentic, and MCP-connected systems. They seek experts in areas such as child safety, CBRNE, extremism, cybersecurity, fraud, self-harm, psychology, copyright, and multilingual or culturally specific model evaluation.

Build reinforcement learning systems from the ground up, including environments, reward functions, training pipelines, evaluation frameworks, and production systems. Train and fine-tune models using RL methods, scale training across GPU clusters, conduct experiments, and guide technical direction. The role also contributes to engineering culture and future hiring while working closely with company founders in an on-site early-stage environment.

Manages infrastructure capacity requests through case management systems, including triage, validation, routing, escalation, queue management, and closure. Maintains case records, capacity logs, budget trackers, and operational documentation. Uses Excel to reconcile data and produce reports on volumes, backlogs, timeliness, escalations, and accuracy. Coordinates with stakeholders, identifies recurring issues, and recommends process improvements while following established procedures and escalation guidelines.

Design, build, and evolve large-scale portfolio implementation systems covering risk controls through trade generation. Translate investment objectives into robust systematic logic, troubleshoot complex systems, streamline portfolio construction and trade delivery, and develop oversight and validation tools. The role also establishes engineering standards for maintainable systems and requires close collaboration with investment stakeholders. It is onsite four days per week in Westport, Connecticut.