Build product-facing tools for browsing environments, inspecting trajectories, and understanding model behavior.
Develop vendor-facing workflows to create, submit, test, and iterate on RL environments and training data.
Create dashboards and observability tools surfacing environment quality, eval results, and pipeline health.
This company builds a reinforcement learning data engine for frontier AI labs, creating and iterating on training data. They have offices in San Francisco and Singapore, offering a culture that values independence and high agency.
Lead frontend architecture, including component design, state management, and performance for React and TypeScript interfaces.
Build and extend Python APIs and collaborate on data contracts, API design, and integration patterns.
Drive frontend standards, mentor engineers, and support internal tooling for operations and compliance.
Astra builds mission-critical infrastructure for moving money at scale, processing billions annually with 99.9%+ uptime. They are a remote-first, small, high-output team focused on collaboration and professional growth.
Build full-stack features for the loan origination platform, including intake, decisioning, servicing, and collections.
Create internal tooling and data pipelines for loan management, compliance, and portfolio analytics.
Use AI-assisted development and collaborate with legal, data, and school stakeholders to deliver high-quality, compliant software.
Clasp is a mission-driven fintech expanding education access via student loan repayment and lending technology for colleges and employers. We're a venture-backed Forbes Fintech 50 startup focused on social impact.
Build and ship end-to-end product capabilities across frontend and backend systems.
Develop user experiences using TypeScript and React, along with services and APIs using Go, Python, or comparable tools.
Collaborate with Product, Design, Data, and engineering partners to balance usability, performance, reliability, and time to value.
LaunchDarkly provides a feature management platform that helps engineering teams ship software and AI with speed, safety, and control. They are a growing company that values humble, open, collaborative, and kind teams.
Build production-grade React applications with TypeScript and maintain a shared component library.
Develop rich interfaces for structured engineering data, AI agent interactions, and portfolio-level dashboards.
Collaborate with backend engineers on API integration and contribute to frontend architecture decisions.
Re:Build Manufacturing operates an advanced manufacturing platform that partners with industrial companies to take products from concept to production. The company is guided by the Re:Build Way principles and focuses on revitalizing America's manufacturing base, creating meaningful jobs across the country.
Collaborate cross-functionally with Integrations, Case Strategy, and other teams; contribute to front-end and admin workflows as needed.
Pivotal Health is a technology platform that helps healthcare providers get paid fairly by simplifying complex reimbursement workflows through an AI-driven platform. They are a collaborative, low-ego team, primarily hiring around Los Angeles and New York but open to exceptional talent elsewhere.
Build 0→1 products: Create new services, features, and user experiences from scratch, evolving prototypes into scalable systems.
Work through ambiguity: Transform loosely defined problem spaces into clear technical approaches, partnering with product and design.
Experiment rapidly: Build POCs, validate ideas with customer feedback, and influence product direction while ensuring quality end-to-end.
CaptivateIQ transforms how companies plan, manage, and optimize sales performance, starting with incentive compensation and expanding to broader sales planning. Backed by top investors like Sequoia and ICONIQ, the company fosters a product-focused engineering culture that empowers high-growth clients like Netflix and Stripe.
Design, build, and ship production agents end to end, including tools, prompts, context assembly, and frontend experiences.
Maintain evaluations and instrument production to measure acceptance, latency, and cost per agent.
Work with founders, product, and design to solve ambiguous engineering problems across the full stack.
Relativity is a legal data intelligence company building AI-powered software for litigation and investigations. Gavel is a small, founder-led team within Relativity focused on Word-based legal drafting, with a collaborative and innovative culture.
Build production data pipelines, LLM applications, agents, and workflow automations that meet spec and hold up under real load.
Own implementation decisions within your scope and be accountable for the quality, testing, and reliability of what you ship.
Engage directly with client engineers and stakeholders with support from senior team members, and build your range by picking up new tools as engagements require.
Climb is a Data and AI consultancy that partners with enterprises to design, build, and operationalize modern data platforms and production AI systems. The team brings deep technical expertise and a builder's mindset, measuring success by business impact rather than outputs.
Build across the product stack from Rails APIs to React/TypeScript frontends, owning problems end-to-end from customer conversation to production.
Work directly with founders, designers, and engineering in a high-trust, autonomous environment where AI is embedded across your workflow.
Ship features live, validate with data, and maintain long-term ownership of what you build, with light ceremony and high accountability.
Great Question is an all-in-one AI customer research platform that helps teams recruit participants, run research, and share insights. Backed by world-class investors, the company has a small team culture built on high trust, high agency, and high emotional intelligence.
Implement features that improve MDLinx and drive user impact, with ownership growing over time.
Apply software engineering best practices including automated testing, clean code, and peer review.
Read AI-generated plans and code critically, and identify work for AI-assisted automation.
M3 is a Japanese global leader in healthcare technology and research solutions, operating physician websites with over 5.8 million members. MDLinx, an M3 company, focuses on transforming pharmaceutical brand promotion through omnichannel engagement.
Work across the stack to drive high-leverage projects from concept to completion and produce detailed technical specifications.
Up-level the team with expertise in API or system design, cloud infrastructure, healthcare data, or other areas while collaborating with a multidisciplinary team.
Build and refine user-facing features, establish consistent APIs, and write unit, integration, and end-to-end tests for new features.
Curai Health is a healthcare company that uses artificial intelligence and clinical expertise to make care more affordable, accessible, and effective. They are a mission-driven team of talented colleagues committed to collaborating closely and driving meaningful impact in healthcare.
Build interfaces for AI-powered products used by millions, including real-time chat, inline agent suggestions, document editors, and agent builder tools.
Design and implement rich, responsive user interfaces in React and TypeScript, working across the Superhuman product suite.
Tackle hard interaction design problems: streaming content, complex state management, and multi-surface interactions with a strong emphasis on documentation and testing.
Superhuman builds an AI productivity platform that works across every surface, including Go (proactive AI assistant), Mail, Docs, and enterprise controls. The company is remote-first and values autonomy, trust, and a highly collaborative culture, with team member resource groups like BIPOC, LGBTQIA+, women, and parents.
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.
Own the integrity, validation, and reliability of data pipelines powering the product.
Design and execute frameworks for data quality assurance and validation across the organization.
Partner with engineering, quantitative modelers, and solution architects to ensure data is launch-ready and validated.
Jupiter is the global market leader in analytics for resilience planning and enterprise climate risk management. Led by pioneers in data, climate, and technology, the company fosters an inclusive, mission-driven culture and is committed to preparing economies for climate change.
Build and improve high-traffic frontend experiences across Affirm.js, promotional messaging, experimentation, and developer-facing tooling.
Work collaboratively with your team and stakeholders to create visibility and dialog regarding risks and trade-offs.
Strike the right balance of speed and quality to ensure business goals while protecting systems from downtime.
We are a financial technology company that provides clear, predictable payment options over time with no hidden fees. Our engineering team builds reliable, performant, and scalable systems that power our mission, fostering a culture of craftsmanship and collaboration.
Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
Collaborate with product management, design, and analytics to articulate technical constraints and partner on key decisions.
Foster a culture of quality and ownership by setting code review and design standards and advocating through writing and tech talks.
Affirm is a financial technology company that offers clear, predictable pay-over-time solutions for consumers. It is a remote-first company with a culture of care and transparency, providing comprehensive benefits and supporting employee growth.
Own products and systems end to end, from ambiguous customer problems through architecture, implementation, and launch.
Build reliable backend systems for real-time bidding, payments, vault workflows, and partner integrations.
Use AI deeply to prototype, build, and iterate, and own the quality of what ships.
Alt unlocks the value of alternative assets, starting with the $5B trading-card market, letting collectors buy, sell, vault, and finance their cards in one place. Backed by leaders from Stripe, Coinbase, and pro athletes, it's a remote-first startup focused on real-time pricing and AI-native workflows.
Lead end-to-end development of product features from design through deployment and ongoing support.
Architect and build scalable backend services and APIs using TypeScript/Node.js.
Collaborate cross-functionally with Product, Design, CX, and Integrations to deliver customer-facing functionality.
Meadow is a modern payments platform for higher education that simplifies the entire student financial experience. They are a highly ambitious, talented team transforming the $600 billion higher education payments industry.
Design, develop, test, and maintain full-stack application capabilities with an emphasis on secure, scalable, maintainable, and production-ready software.
Develop backend services, APIs, integrations, automation, and supporting tools across cloud-based and on-premise cybersecurity and compliance applications.
Implement role-based access control, data models, and risk-analytics logic to support diverse user types and complex data ingestion.
Quantum Sky engineers advantage across cyber, networks, software, and quantum for mission-driven environments. They foster a collaborative, innovative, and mission-driven team where every member plays a critical role in shaping the future of technology.