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We are seeking a highly skilled OS Internals Team Lead to lead a group of talented developers in building cutting-edge, low-level system solutions across multiple platforms.
Key Responsibilities:
Lead and mentor a team of 5 developers, ensuring high-quality deliverables and professional growth.
Design, develop, and optimize system-level components for Windows and/or Linux.
Collaborate with cross-functional teams on system architecture, networking, and security challenges.
Drive innovation in offensive and defensive security methodologies.
Conduct in-depth research into the malware and threat landscape to develop advanced countermeasures.
Oversee driver development and integration across multiple platforms.

we aren't building a single, generic chatbot. We are building a Composable AI Microservice Architecture, a swarm of hundreds of hyper-specialized AI services, each meticulously "programmed" to solve small, focused tasks with high precision. This fleet powers Ava, our AI support engine, and a suite of cutting-edge generative tools for travel and expense management.
As a Senior AI Ops / MLOps Engineer, you are the architect of the platform that makes this scale possible. You will move beyond traditional MLOps to manage a "factory" of Language Models. Your challenge is one of orchestration and standardization, ensuring that every service in the swarm meets a rigorous bar for quality, reliability, and cost-efficiency.
What You'll Do:
Orchestrate the AI Fleet: Build and own the runtime environment for 100+ specialized AI services. Manage model routing, context versioning, and standardized memory/history stores.
High-Density Inference Optimization: Design and implement SageMaker Multi-Model Endpoints (MME) and Inference Components to serve multiple tuned SLMs per GPU, maximizing hardware utilization while minimizing latency.
Deterministic Service Excellence: Treat reliability as a layered engineering problem. Build deterministic "shells" around probabilistic LM outputs, prioritizing data-layer validation and strict serialization.
Automated Evaluation & Observability: Implement "LLM-as-a-judge" patterns and automated benchmarking to detect semantic drift and hallucinations across the fleet before they impact the user.
Standardize the Workflow: Obsess over building reusable patterns and Terraform-based infrastructure that eliminate "snowflake" configurations, allowing us to deploy new specialized AI tasks in minutes.
Agency Strategy: Partner with AI Researchers to find the "Goldilocks zone" for agentic autonomy-balancing the flexibility of LLM tool-use with the precision required for production stability.

We are redefining the travel industry with a truly autonomous platform powered by proprietary Agentic AI. As an Automation Engineer, youll play an essential part in building and scaling the testing infrastructure that validates our mission-critical AI workflows. This is a high-scale environment where you will use Cypress to solve unique challenges in autonomous decision-making, collaborating globally to deliver a platform trusted by major enterprises.
What Youll Do:
Architect the Cypress E2E Framework: Design, build, and scale a robust, high-performance end-to-end automation framework using Cypress to validate our core web application workflows, ensuring the complex UI accurately reflects the autonomous decisions made by our AI agents.
Validate Autonomous Logic via the UI: Develop sophisticated test harnesses within Cypress that interact with the application and perform data validation (e.g., intercepting network requests) to verify the intricate decision-making, cost optimization, and safety constraints of our self-governing AI agents.
Drive CI/CD Velocity: Take ownership of the testing lifecycle by integrating fast-running, automated Cypress tests directly into our CI/CD pipelines, serving as the final, reliable gate that allows the engineering team to deploy multiple times daily with zero functional regressions.
Performance and API Testing: Utilize Cypress's capabilities for API-level testing to quickly validate backend microservices, augmenting UI tests where necessary to maintain speed and reliability.
Contribute to Engineering Culture: Champion best practices in testability, reliability, observability, and code coverage, mentoring fellow engineers and fostering a culture of technical excellence across the platform.
Solve Unique Problems: Apply deep technical expertise and creativity to address novel testing challenges related to LLMs, such as ensuring the AI-generated UI flows are robust and predictable.

We are seeking a skilled Backend Engineer to join our team and implement advanced AI solutions in our travel and expense management products. The ideal candidate will have strong backend engineering expertise and enthusiasm for working with cutting-edge AI technologies.
About the Role:
You'll be responsible for designing and implementing backend services that integrate AI capabilities including large language models (LLMs), retrieval-augmented generation (RAG), and conversational interfaces into our consumer-facing products. This is an opportunity to expand your expertise into AI while leveraging your strong engineering foundation.
What Youll Do
Design and develop scalable, high-performance backend services and APIs.
Implement integrations with AI platforms and services.
Work with AI specialists to translate AI capabilities into production-ready features.
Ensure high reliability, performance, and security of AI-powered systems.
Collaborate with product and engineering teams to gather requirements and deliver solutions.

We are seeking a skilled Senior Backend Engineer to join our team and help us build Cognition, a multi-agent AI platform. The ideal candidate will have strong backend engineering expertise and enthusiasm for working with cutting-edge AI technologies.You'll be responsible for designing and implementing backend services that integrate AI capabilities including large language models (LLMs), retrieval-augmented generation (RAG), and conversational interfaces into our consumer-facing products. This is an opportunity to expand your expertise into AI while leveraging your strong engineering foundation.
What Youll Do:
Design and develop scalable, high-performance backend services and APIs
Implement integrations with AI platforms and services
Work with AI specialists to translate AI capabilities into production-ready features
Ensure high reliability, performance, and security of AI-powered systems
Collaborate with product and engineering teams to gather requirements and deliver solutions

We are looking for a passionate Senior BackEnd Software Engineer to join our growth PLG team in TLV, designing and developing core product features and services that power our app used by thousands of travelers on a daily basis using the latest cutting edge AI technologies . You will work closely with a set of talented engineers, product managers, designers to identify customer needs and build innovative solutions to solve them.
This is a very unique role which combines the small team feeling of a startup launching a brand new product, with the perks, opportunity size and impact of an established company.
What Youll Do:
Building out and leading the development of new impactful product features
Ensure the quality of the features you built, follow-up on usage/issues post release
Work closely with product and design team to deliver new features that align with the needs of the business
Provide technical leadership and mentoring to other engineers on the team
Contribute and drive frameworks that lead to significant user experience improvements
Assist the team in understanding and adopting new technologies

We are looking for a passionate Senior FrontEnd Software Engineer to join our growth PLG team in TLV, designing and developing core product features and services that power our app used by thousands of travelers on a daily basis using the latest cutting edge AI technologies . You will work closely with a set of talented engineers, product managers, designers to identify customer needs and build innovative solutions to solve them.
This is a very unique role which combines the small team feeling of a startup launching a brand new product, with the perks, opportunity size and impact of an established company.
What You'll Do:
Designing and implementing the company's next generation products suite for our PLG/Growth customers
Building out and leading the development of new impactful product features
Ensure the quality of the features you built, follow-up on usage/issues post release
Work closely with product and design team to deliver new features that align with the needs of the business

We are looking for a passionate Senior Fullstack Android Engineer to join our growth PLG team in TLV, designing and developing core product features and services that power our app used by thousands of travelers on a daily basis using the latest cutting edge AI technologies . You will work closely with a set of talented engineers, product managers, designers to identify customer needs and build innovative solutions to solve them.
This is a very unique role which combines the small team feeling of a startup launching a brand new product, with the perks, opportunity size and impact of an established company.
What Youll Do:
Building out and leading the development of new impactful product features
Ensure the quality of the features you built, follow-up on usage/issues post release
Work closely with product and design team to deliver new features that align with the needs of the business
Provide technical leadership and mentoring to other engineers on the team
Contribute and drive frameworks that lead to significant user experience improvements
Assist the team in understanding and adopting new technologies

We are looking for a passionate Senior Fullstack IOS Engineer to join our growth PLG team in TLV, designing and developing core product features and services that power our app used by thousands of travelers on a daily basis using the latest cutting edge AI technologies . You will work closely with a set of talented engineers, product managers, designers to identify customer needs and build innovative solutions to solve them.
This is a very unique role which combines the small team feeling of a startup launching a brand new product, with the perks, opportunity size and impact of an established company.
What Youll Do:
Building out and leading the development of new impactful product features
Ensure the quality of the features you built, follow-up on usage/issues post release
Work closely with product and design team to deliver new features that align with the needs of the business
Provide technical leadership and mentoring to other engineers on the team
Contribute and drive frameworks that lead to significant user experience improvements
Assist the team in understanding and adopting new technologies

The Senior Full-stack Software Engineer in Security will be responsible for securing products by identifying unaddressed areas of weakness and driving cleverly engineered, scalable solutions that improve our defense-in-depth. You will be responsible for design and development of core services related to authentication, authorization, encryption within the product to enable a vast majority of use cases securely. Skills you will leverage in this role include the ability to break down prior technical implementations of product use cases, and the ability to deliver incremental security value through small meaningful code refactors.
Reporting to the Sr Director of Trust and Security, you will contribute significantly to building and scaling the security of products. This position requires both advanced technical skills, strong communication skills, and the ability to influence people. You will be responsible for ensuring the continuous security of customer-facing products and internal tools. You will focus on driving and advising risk remediation based on research, and developing strong partnerships with engineering and product teams to accelerate the release of the software with security by design.
What Youll Do:
Research, design and implement security-oriented frameworks and features with the common goal of protecting customers.
Upgrade the security of the current platform to cutting edge security solutions like Passkeys while balancing the needs of multiple customer personas and use cases.
Liaison between the engineering and security org to execute on the security roadmap.
Lead security software development while building technical leverage and influencing the direction of architecture, design, and roadmap.
Routinely participate in cross-vertical code reviews with an emphasis on Security.
Break down complex problems into sub-tasks & iteratively contribute to the goal of the security initiatives using agile practices.
Coach and mentor junior engineers in the team.

Were looking for a Senior Product Designer to join our Travel Team. Our ideal candidate is a practitioner who can untangle complex B2B workflows and bring them to life with high-quality execution.
In this role, you will take ownership of key areas within our Enterprise platform, moving from early-stage discovery and logic mapping to high-fidelity UI and rigorous developer handoff. We need a designer who is equally comfortable defining the "how it works" as they are the "how it looks."
What Youll Do:
End-to-End Ownership: Lead the design process for specific Enterprise workstreams, including our ai workstream -from initial concept and user flows to final UI polish and developer-ready documentation.
Simplify Complex Systems: Translate intricate business requirements and dense data into clear, intuitive B2B interfaces. Youll turn "information overload" into a streamlined user experience.
Systems Thinking: Contribute to and evolve our design system. Youll ensure that enterprise-grade features remain consistent, accessible, and scalable across web and mobile.
Influence through Narrative: Present complex concepts in an easily digestible narrative to influence partners and stakeholders. You don't just show screens; you tell the story of the users journey.
Bridge the Gap to Engineering: Collaborate daily with developers to ensure your designs are implemented as intended. You care about the details of the final product as much as the initial prototype.
Data-Informed Advocacy: Use research and product analytics to validate your design decisions, working closely with our UXR and Content partners to build a well-rounded vision.
Global Collaboration: Work as part of a global team spanning Berlin, India, and San Francisco. Youll facilitate design rituals and syncs that bridge time zones and cultures.

we are looking for a Senior Software Engineer, AI Assisted Engineering Support.
What Youll Do:

Build AI Engineering Assistants: Develop and scale the internal agents that assist with code generation, automated refactoring, and documentation.
Enable the "Demo to Prod" Pipeline: Work on the technical implementation of tools that allow for one-shot workflows-moving from a prototype or a spec directly to a production-ready Pull Request.
Deterministic Engineering Evals: Drive quality by prioritizing determinism. You will build the serialization formats and retrieval systems (RAG) that give engineering agents the exact context they need from our repositories to be precise and useful.
Automated Code Stewardship: Create agents that help maintain our "Immune System"-automated drift detection, visual regression testing, and security scanning for AI-assisted contributions.
Systemic Optimization: Implement a culture of rigour. You will run experiments across different models and tools, using engineering-specific benchmarks to ensure our assistants are actually increasing velocity and quality.
Global Collaboration: Partner with the US and Israel-based teams to integrate your assistants into our global developer platform and telemetry frameworks.

At Navan, "It's all about the user. All of them." We are passionate about revolutionizing business travel by providing seamless, intelligent, and personalized experiences. As we shape the future of travel, Navan seeks a Senior Technical Product Manager to spearhead the creation and evolution of our next-generation agentic platform-an innovative foundation powered by cutting-edge AI systems designed to proactively serve and delight our users with autonomous actions and personalized recommendations.
In this role, you will lead multidisciplinary teams of engineers, data scientists, designers, and stakeholders to deliver a transformative, AI-driven platform experience. Ideal candidates will bring substantial experience in designing, developing, and scaling complex technical platforms and will demonstrate hands-on familiarity with the latest advancements in AI, including generative AI, LLMs, MLops, and agentic, autonomous platforms.
What You'll Do:
Define, drive, and create the vision, roadmap, and strategy for Navan's AI-powered agentic platform across the company.
Partner closely with engineers, data science teams, and UX designers to architect, develop, and launch intelligent, self-service, and proactive features throughout the entire platform lifecycle.
Act as a thought leader, bringing clarity and direction on the intersection of AI technology and business strategy, keeping abreast of emerging AI technologies to continually drive innovation.
Collaborate cross-functionally, aligning stakeholders across Navans AI product teams, GTM, analytics, growth, security, and infrastructure functions to ensure successful and continual platform adoption.
Set ambitious yet achievable goals, measure progress rigorously with clear KPIs, and iterate continuously based on performance and user-feedback.
Maintain deep engagement with customers, soliciting feedback, and uncovering unmet needs to inform platform improvement opportunities.

Ultimately, we believe in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles. We are driven by innovation and looking for team players who want to actively build our company.

But, we also believe in balancing productivity with self-care. Thats why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives.

If this sounds right up your alley, please submit an application. We look forward to getting to know you!
Responsibilities
we are looking for talented and highly motivated results-oriented individuals to join our expanding sales team. In this role, you will be able to demonstrate a successful track record in remotely managing a large diverse territory. You will be comfortable embracing a start-up environment where personal performance is critical and will have the flexibility and determination to participate in any activity to ensure success. As a Sales Development Representative, you will be responsible for uncovering and developing new opportunities from outbound activities, and building a strong pipeline of sales opportunities to deliver on sales targets. The prospect profile can vary from IT, Business Operations, to Sales / Marketing / Support Operations. You will focus on sales opportunity generation programs and their execution including email and telephone activities. Excellent collaboration and proactive participation with our Marketing, Sales and Customer Success teams is critical to success. As well as contributing through achievement of your goals, you will bring enthusiasm, expertise and creativity to our company.

In this role, you will also be responsible to:

Set up meetings for the Sales Team and help build the company pipeline.

Work closely with the Marketing Team on campaigns and GTM efforts.

Work closely with Sales Team to refine strategy for targeted territories/segments.

Consult existing customers to understand how they are using our currently and where they want to get to as a business

Achieve agreed upon sales targets and outcomes within schedule

Reach out to prospects through cold calling and email

Continuously improve through feedback