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Industry: Software Development
Company Size: 201-500 employees

Perplexity

Savvy Admin PROD

Perplexity is seeking top-tier AI Research Scientists and Engineers to advance our AI products and capabilities. We're building the future of AI-powered search and agent experiences through our Sonar models, Deep Research Agent, Comet Agent, and Search products. Join us in creating SOTA experiences that handle hundreds of millions of queries and continue to scale rapidly.

**Team Structure**

Depending on your interests and expertise, you'll work on one of three specialized teams:

-  Core Research Team (Horizontal)

Focus on generating and improving base models that power all our products. This team works on foundational model capabilities, post-training techniques, building RL infra and infrastructure that benefits the entire organization.

-  Agent Products Team (Vertical)

Concentrate on fine-tuning and optimizing models for our Deep Research Agent and Labs/Canvas products. This team bridges research and product, ensuring our agent capabilities deliver exceptional user experiences.

-  Comet Agent Team (Vertical)

Dedicated to developing and enhancing our Comet Agent product. This specialized team focuses on the unique requirements and optimizations needed for Comet's specific use cases.

**Responsibilities**

Research & Development

- Post-train SOTA LLMs using the latest supervised and reinforcement learning techniques (SFT/DPO/GRPO)

- Leverage our rich query/answer dataset to scale model performance across Sonar, Deep Research, Comet, and Search products

- Stay current with the latest LLM research, especially in model training, optimization, and personalization techniques

- Implement preference optimization and personalization capabilities to enhance user experience

- Invent in-house improvements and optimizations to enhance SOTA models

- Turn research ideas into algorithms and run experiments to launch new models

Infrastructure & Implementation

- Own full-stack data, training, and evaluation pipelines required for model development

- Build robust and effective training frameworks (on top of Megatron/PyTorch) for post-training LLMs

- Implement necessary infrastructure and components to support cutting-edge model training at scale

- Integrate models seamlessly into our product ecosystem

Collaboration

- Work closely with engineering teams to integrate models into Perplexity's product suite

- Collaborate across teams to ensure cohesive AI experiences throughout our platform

- Partner with product teams to understand user needs and translate them into model improvements

**Qualifications**

Required

- Proven experience with large-scale LLMs and Deep Learning systems

- Strong programming skills in Python/PyTorch; versatility is a plus

- Experience with post-training techniques and reinforcement learning

- Self-starter with a willingness to take ownership of tasks

- Passion for tackling challenging problems

- Minimum 2-6 years of experience on relevant projects (depending on seniority level)

Nice-to-have

- PhD in Machine Learning, AI, Systems, or related areas

- Experience in post-training LLMs with SFT/DPO/GRPO

- C++/CUDA programming skills

- Experience building LLM training frameworks

- Academic publications and research impact

- Experience with agent systems and multi-step reasoning

- Background in personalization and preference learning

Compensation Range: $220K - $485K

Member of Technical Staff (AI Researcher)

Perplexity is revolutionizing how companies get work done. We are seeking a Product Marketing Manager to join our team and serve as the strategic bridge between our product reality and market impact. You will architect the external narrative of our products and amplify their value to inspire adoption and drive growth.

If you have a passion for creating clarity when things are messy, thrive in turning ambiguity into a definitive point of view, and want to build a world-class marketing engine that drives launches as systems rather than events, this role is for you.

**Responsibilities**

- Turn ambiguity into clarity. Transform complex product capabilities into a crisp market point of view, defining not just what we built, but who it’s for, what it replaces, and why it wins.

- Drive launches as a system, not an event. Orchestrate product introductions by defining success metrics and sequencing readiness across teams, ensuring enablement and proof points land simultaneously with the launch.

- Make others materially better at their jobs. Equip customer-facing teams with "talk tracks that close," handling objections and providing competitive intelligence that reflects the actual battlefield.

- Obsess over the customer and the market. Maintain a sharp, real-time view of buyer needs and alternatives, ensuring our narrative remains grounded in truth and provable value rather than empty hype.

- Measure outcomes, not just outputs. Tie messaging and launches to tangible pipeline influence, activation, and retention, running lightweight experiments to iterate fast on pricing, packaging, and positioning.

- Influence without authority. Lead through alignment by pre-wiring decisions, surfacing risks early, and managing trade-offs to keep product, sales, and marketing moving in lockstep.

**Qualifications**

- 8+ years of experience in product marketing, ideally within a high-growth technology company where you have owned end-to-end product launches.

- Proven track record of synthesizing complex technical concepts into simple, specific, and provable narratives that travel across executive, sales, and partner teams.

- Deep familiarity with the rules of traditional marketing with an interest in breaking them.

- World-class storytelling skills grounded in data, with the ability to summarize a product’s value in a single sentence and defend it with evidence.

- Extreme comfort delivering clarity in high-velocity, ambiguous environments.

Compensation Range: $220K - $290K

Product Marketing Manager

Perplexity is revolutionizing how companies get work done. We are seeking a Senior Manager, Executive Communications to join our team and serve as a strategic partner to our leadership. You will architect and amplify the voices of our executives to inspire our rapidly growing team.

If you have a passion for shaping culture through communication, thrive in bridging the gap between leadership vision and employee engagement, and want to build a world-class communications function from 0 to 1, this role is for you.

**Responsibilities**

- Create exceptional and strategic executive communications, including stage speeches, leadership emails, board decks, and other formats that require excellent writing and critical thinking to articulate the company vision and strategy.

- Lead Perplexity's next phases of growth, managing complex information flow during high-growth, evolving and owning all-hands presentations, Slack communications, and more.

- Develop a unique and authentic voice for our executives and company leaders internally and externally.

- Synthesize complex AI-related topics and business strategies into clear narratives internally and externally.

- Partner closely with all teams to lead change management communications, translating complex organizational updates into simple and compelling messages.

**Qualifications**

- 7+ years of experience in executive communications, ideally within a high-growth technology company or leading communication agency.

- Proven track record of supporting senior executives and managing complex change management initiatives.

- World-class writing, editing, and storytelling skills with the ability to capture different executive tones.

- Deep familiarity with the rules with an interest in breaking them.

- Attention to detail and the ability to execute quickly in a fast-paced environment.

- Extreme comfort working with senior executives, principled confrontation, and inspiring audiences in multiple formats and contexts.

Compensation Range: $190K - $240K

Executive Communications Manager

Perplexity is seeking energetic researchers and engineers to join our Secure Intelligence Institute (SII), Perplexity's flagship research center for advancing security, privacy, and trust in frontier intelligence. SII’s goals are to advance frontier AI security research, translate those advances into concrete improvements in Perplexity's systems, and share knowledge and resources that strengthen the broader AI ecosystem.

As a member of SII, you'll conduct original and impactful research on improving the security and privacy of frontier intelligence systems. Your goal will be to conduct research that is not only rigorous in theory, but practical enough to improve the systems people rely on every day. This work will be informed by the realities of operating general-purpose AI systems used by millions of people and thousands of enterprises, and you'll be expected to translate both your own research and advances from the broader community to practical improvements that protect and defend Perplexity's users.

**Responsibilities**

- Develop threat models for emerging attack surfaces in AI-native products, including browser, search, and autonomous agents.

- Identify and analyze security and privacy threats across AI systems, infrastructure, and user-facing products.

- Develop novel defenses, mitigations, and detection mechanisms for security and privacy in AI-native products.

- Build security evaluation frameworks, benchmarks, and datasets to measure the effectiveness of different defense mechanisms.

- Partner with Perplexity’s Security Engineering team to translate state of the art research into shipped security features and hardened system architectures.

- Collaborate with top-tier academic and industry researchers in SII's external research network.

- Publish findings at premier venues and contribute to the broader security research community.

**Qualifications**

- Hold a PhD (or equivalent research experience) in Computer Science, Computer Engineering, or a related field, with a primary focus on security and/or privacy.

- Experience publishing at top security conferences (IEEE S&P, USENIX Security, ACM CCS, NDSS) demonstrating original, impactful research contributions.

- Deep expertise in one or more of: security of agentic systems, systems security, web and applications security, program analysis, and software security.

- Proficiency in Python (bonus points for TypeScript, Go, and/or Rust).

- Ability to operate with high independence, willing to dive in and take ownership, and comfortable in a fast-paced environment where research directly informs product.

- Clear and concise communcation, translating complex attack narratives into actionable insights for engineering and leadership.

Compensation Range: $220K - $405K

Member of Technical Staff (Secure Intelligence Institute)

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