Join a startup on the way up — not a bet, not a giant.

Mercor is seeking a senior Payments Engineer to build and scale its financial infrastructure, including payment orchestration, ledger systems, and observability. This role is critical to supporting the company's rapid growth from $200K to $200M in payment volume.

Mercor is hiring a Product Operations Manager for Research Services to drive operational excellence for AI evaluation partnerships, managing benchmarks, datasets, and vendor relationships. The role requires technical fluency in LLM evaluation, SQL/Python, and 3+ years in technical program management or similar.

Substack is hiring a Full Stack Software Engineer to join its Activation team, focusing on building and testing features that bring new readers and creators to the platform and help them succeed. The role involves developing features, running experiments, and collaborating with cross-functional teams. Requires 3+ years of software engineering experience.

Lightspark is building modern, open financial infrastructure. We're hiring a Senior Production Engineer to build and integrate new customer experiences and optimize the performance, scalability, and reliability of our infrastructure. This remote role involves on-call rotation.

Vapi is hiring a Recruiting Programs Manager to own candidate-facing programs including employer brand, technical events, referrals, and talent community. This role reports to the Head of Talent and drives recruiting programs from scratch at a fast-growing voice AI startup.

1Password is seeking a Staff AI Marketing Systems Engineer to design, build, and operate internal AI services that empower sales and marketing teams with real-time intelligence and asset generation. This role involves working with LLMs, agent frameworks, and retrieval systems to replace static playbooks with signal-driven guidance.

Guide customers through the technical side of their post-sale journey with 1Password, from implementation to renewal, as a trusted advisor on identity, access, and SaaS security. Collaborate with Customer Success, Product, and Support teams in a remote-first environment.

1Password is seeking a Solutions Engineer for its Mid-Market business to serve as a strategic technical advisor throughout the sales cycle, leading discovery, demos, and solution design. This remote role requires 4+ years of customer-facing technical sales experience and knowledge of identity security concepts.

Picogrid seeks a proactive Executive Assistant to support all three co-founders in a high-growth defense startup. This role offers direct exposure to executive decision-making and a path to a functional role. Ideal candidate is exceptionally organized, US citizen, and interested in national security.

Mural’s Legal team is looking for a Commercial Counsel to draft and negotiate commercial agreements, support the Sales and GTM teams, and scale contracting processes. This remote role reports to the General Counsel.

General application for mechanical engineers to build aircraft, covering structures, stress, mechanisms, thermal, propulsion, and test. The company builds swarming UAVs and offers an on-site role in Oxnard, CA.

Swarm Aero is seeking a Structure Design Engineer to design composite and metallic airframe structures for swarming UAVs. This role involves owning structural design from concept to first flight, collaborating with stress and manufacturing teams, and working onsite in Oxnard, CA.

Mariana Minerals is seeking a Sr. Procurement Specialist to lead capital procurement for construction projects, managing contracts, negotiations, and systems. This role requires 5-7+ years of experience in heavy industry and strong commercial skills.

NerdWallet seeks a Senior Content Marketing Strategist to grow podcast audiences on YouTube Shorts, Instagram, and TikTok by developing short-form video strategies, content calendars, and community engagement, with a focus on converting attention into subscribers and leads.

NerdWallet is seeking an experienced podcast and YouTube producer to manage show notes, thumbnail briefs, performance reporting, and SEO for its podcast portfolio, including Smart Money and Smart Travel. This remote contract role requires 3-5 years of production experience and involves 20 hours per week.

insitro, a physical AI company accelerating drug discovery, seeks a Counsel/Senior Counsel to handle commercial contracts, R&D support, compute/infrastructure, and AI-enhanced legal operations. This hybrid role in South San Francisco partners with science, finance, HR, and IT, requiring 2-7+ years of legal experience.

Rox is hiring an IT Support Engineer to build and manage IT systems for a fast-growing AI startup. The role involves support, automation, and identity management, focusing on Okta, Google Workspace, and endpoint security. Requires 3-5+ years of IT experience and on-site work in San Francisco.

Cartesia seeks a Product & Research Operations Manager to design, scale, and operate its global scaled evaluation workforce, managing vendors, QA systems, and operational workflows that directly impact model quality and customer outcomes.

Cartesia is seeking a GTM Strategist to drive strategic outbound into high-value enterprise targets, building account plans and running multi-threaded outreach. This role is based in San Francisco and offers a competitive salary and equity.