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Reflection ai

Reflection.AI is seeking a Member of Technical Staff - Security Software Engineer to establish our Application Security function from the ground up. This role offers significant autonomy to design and implement solutions across various Security Engineering projects, including AI agent incident detection and response, and internal AI agents. The ideal candidate is a self-starter who excels in high-ownership, low-structure environments and possesses a strong "0 to 1" mindset, ready to build and innovate within a talent-dense team focused on making intelligence open and accessible.

Harvey

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. We are a fast-scaling company with strong product-market fit, seeking to define a new category in real time. This is a high-impact role for our first Product Marketing Manager focused on competitive intelligence, owning our view of the competitive landscape, shaping market positioning, and ensuring our Go-To-Market teams are equipped to win. You will blend intelligence, storytelling, and enablement within our Product Marketing team, working cross-functionally with Product, Sales, RevOps, CS, and Comms.

$171k - $256k

Cohere

Cohere is seeking a Lead Member of Technical Staff to join the Model Serving team. This role will provide technical leadership across multiple teams, driving the architecture and strategy for deploying optimized NLP models to production in low latency, high throughput, and high availability environments. You will be responsible for developing, deploying, and operating the AI platform that delivers Cohere's large language models through easy-to-use API endpoints. The ideal candidate will have a strong background in leading the design of high-performance, scalable, and reliable machine learning systems and will serve as a key point of contact for customers, leading the design of customized deployments and mentoring engineers.

Harvey

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare chance to help build a generational company at a true inflection point, scaling fast and defining a new category. The work is ambitious, the bar is high, and the opportunity for growth is unmatched. As a Staff Software Engineer on the Core Infrastructure team, you will play a critical role in designing and building new infrastructure systems while scaling and strengthening existing ones. Our infrastructure powers every user interaction with Harvey, processing billions of prompt tokens and millions of daily requests across our global legal AI platform. You'll work in an environment balanced between innovation and operational excellence, ensuring Harvey remains resilient and efficient as it scales products, regions, customers, and usage. Your contributions will directly impact the reliability, scalability, and security of our platform.

$201k - $264k

Harvey

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare chance to help build a generational company at a true inflection point, scaling fast and defining a new category. The work is ambitious, the bar is high, and the opportunity for growth is unmatched. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As a Staff Software Engineer on the Core Infrastructure team, you will play a critical role in designing and building new infrastructure systems while scaling and strengthening existing ones. Your contributions will directly impact the reliability, scalability, and security of our platform as we serve the world's leading law firms and professional service providers.

$236k - $290k

Replit

The Anti-Abuse team at Replit is responsible for defending the platform from exploitation by detecting and preventing various forms of abuse, including phishing, cryptomining, LLM token farming, and malicious use of the platform. This role involves adversarial work, requiring the development of detection systems, heuristics, and automated responses to stay ahead of constantly adapting attackers. A unique aspect of this role is the AI-native nature of Replit's platform, presenting opportunities to build guardrails for AI-generated code, detect prompt injection attacks at scale, and leverage LLMs for defense. The position offers hands-on experience applying AI to security problems in a production environment with real attackers, with end-to-end ownership from identifying abuse patterns to shipping scalable solutions.

Replit

Replit is seeking a Software Engineer to join their Developer Experience team. This role focuses on accelerating engineering velocity and reducing friction within Replit's development workflows. You will be responsible for stewarding codebases, tooling, and developer workflows, directly impacting every engineer at Replit. The position combines technical depth in a complex codebase with a product mindset to understand how infrastructure decisions affect developer productivity and customer value. You will also collaborate with the AI team to enhance the internal AI platform, which currently generates over 60% of merged PRs, and help shape its future strategy.

Cartesia is pioneering new AI model architectures, inspired by human learning and interaction. Our mission is to build AI that learns from and interacts with the world. We are seeking a Technical Account Manager to lead the post-sale technical relationship with enterprise customers, guiding them from contract signing through production and ongoing growth. This role is crucial for driving customer success, resolving technical challenges, and expanding product adoption within their accounts.

Replit

Replit is seeking a Partnerships Lead, GSIs to build and scale relationships with the world's largest systems integrators. This high-impact role sits at the intersection of channel strategy, enterprise go-to-market, and ecosystem development, focusing on turning GSI relationships into a significant revenue channel. You will own how Replit engages with major GSIs, developing programs, partnerships, and co-sell motions. The ideal candidate understands the inner workings of GSIs, including their practice models, incentives, and organizational structures, and can establish the trust and commercial frameworks necessary to position Replit as a key platform in their delivery stack.

Replit

Replit is seeking a skilled PSIRT Engineer to lead its vulnerability response program for its cloud-native AI platform. This role involves managing the entire lifecycle of security vulnerabilities, from intake and validation to remediation coordination and public disclosure. The ideal candidate will possess strong technical skills to reproduce vulnerabilities, a deep understanding of web, application, and cloud exploit classes, and experience with bug bounty and coordinated disclosure programs. You will collaborate closely with various engineering and security teams to ensure timely fixes and responsible communication.

Mistral AI

Mistral AI is a pioneering company democratizing AI through high-performance, open-source models and a comprehensive AI platform for enterprise needs. We are a dynamic, collaborative, and diverse team passionate about AI's potential to transform society. As an AI Deployment Strategist, you will drive the adoption and deployment of Mistral's AI solutions, working closely with customers from strategic vision to production implementation. This role sits at the intersection of business strategy, AI innovation, and hands-on deployment, ensuring our customers achieve transformative outcomes in cybersecurity.

Harvey

Harvey is seeking a driven, strategic, and entrepreneurial Sales Development Manager to lead and scale a team of SDRs in New York. This role is responsible for building a high-performing team that generates pipeline across leading law firms, professional services organizations, and in-house legal teams. The ideal candidate will own hiring, onboarding, coaching, and performance management, while partnering closely with Sales, Marketing, and RevOps to build a scalable pipeline generation engine. This is an opportunity to shape the company's go-to-market strategy by refining targeting, messaging, and outbound programs for the North American legal market.

$195k - $260k

Replit

Replit is seeking a Senior Product Engineer for its Product Foundry team. This team is responsible for driving industry disruption and achieving 10x scale by launching high-risk, full-stack initiatives that create new product categories. The Product Foundry acts as Replit's internal innovation engine, aiming to transform Replit into the foundational operating system for the next generation of software, where AI Agents are the primary actors. The role involves building for creators and enterprises, equipping them with tools to build anything, anywhere, and operates within a high-agency founding team model with autonomous squads focused on rapid iteration and market validation.

Fal

We are seeking a Security Engineer, Infrastructure to safeguard the core systems powering fal.ai's platform, including GPU compute, multi-cloud environments, networking, and data pipelines. This role involves hands-on, systems-oriented work across the full stack, from cloud and Kubernetes to identity, networking, and secrets. You will be responsible for designing and implementing scalable security controls at the intersection of security, infrastructure, and distributed systems, ensuring the integrity and safety of our high-performance AI platform.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare opportunity to help build a generational company at an inflection point, with strong product-market fit and world-class investor support. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As a Staff Software Engineer on the Site Reliability team, you will ensure the reliability, scalability, and performance of our legal AI platform, owning the systems that keep our platform fast, secure, and always on. Your work will be critical in scaling across 50+ regions and automating mission-critical operations to ensure Harvey remains resilient as we grow. If you are passionate about building robust systems and reducing complexity through automation, we encourage you to apply.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare opportunity to help build a generational company at an inflection point, with strong product-market fit and significant investor backing. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As a Staff Software Engineer on the Core Infrastructure team, you will play a critical role in designing, building, scaling, and strengthening the infrastructure that powers every user interaction with Harvey's AI platform. You will work in an environment balanced between innovation and operational excellence, ensuring the platform remains resilient and efficient as it scales.

Mistral AI

Mistral AI is seeking a DevSecOps Engineer to architect and maintain the security of its rapidly scaling AI infrastructure and application lifecycle. The role involves treating security as a seamless enabler for research and engineering teams, embedding robust security controls into CI/CD pipelines, infrastructure, and developer workflows without compromising deployment velocity. The company is a dynamic, collaborative team passionate about AI, democratizing it through open-source models and products, and aims to make a meaningful impact by shaping the future of AI.

Replit

Join our Enterprise Platform team and build the infrastructure foundations that enable the world's largest organizations to run Replit within their security and compliance boundaries. As a Software Engineer on this team, you'll design and implement the deployment flexibility, networking capabilities, authorization systems, and data controls that enterprises require, from single-tenant architectures and private connectivity to custom policy enforcement and customer-managed encryption. You'll work at the intersection of cloud infrastructure and enterprise requirements, partnering with Platform Engineering, Security, and Sales to ship capabilities that unlock adoption at demanding organizations.

Replit

Replit is seeking a Senior Manager, Demand Generation to build and scale the company's enterprise demand generation function. This role will be responsible for B2B campaign strategy, ABM playbook development, funnel architecture, and pipeline accountability within the enterprise segment. Reporting to the Head of Enterprise Marketing, the individual will define target audiences, messaging, and engagement strategies across the buyer journey, leveraging Replit's unique PLG foundation to identify and convert individual users into enterprise opportunities.

Harvey

Harvey is transforming legal and professional services by combining frontier agentic AI with an enterprise-grade platform. We are a fast-scaling company with strong product-market fit, seeking individuals who want to do the best work of their careers alongside driven colleagues. Our values are Decisiveness, Simplicity, and Job's Not Finished, emphasizing quick action, scalable solutions, and continuous improvement. As a Staff Database Engineer, you will define and evolve our global PostgreSQL database infrastructure. This leadership role involves setting technical strategy for our fleet, establishing standards for migration governance, driving multi-region scaling architecture, and ensuring data layer reliability. You will partner with senior engineers on roadmap decisions while also being hands-on in diagnosing and resolving critical issues.

$191k - $290k