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Senior Software Engineer, AI Agents

Nxt Level

Job Description

Senior / Staff Member of Technical Staff

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Employment Type: Full-time

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Experience: 4+ years

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Focus: AI Product Engineering, Full-Stack Development, Distributed Systems, APIs, Customer Research Platforms

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About Our Client

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Our client is building an AI-native customer research platform that transforms how companies understand their customers and make business decisions.

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Their AI agents automate the entire research process, from designing studies and recruiting participants to conducting interviews and synthesizing insights.

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The platform connects companies with a network of more than 50 million research participants, supports interviews in over 120 languages, and helps organizations gather insights at unprecedented speed and scale.

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The company is also developing AI-powered digital twins that simulate real customer behavior, enabling businesses to test products, messaging, and strategic decisions before bringing them to market.

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Trusted by major technology companies, including Microsoft and Anthropic, the platform is designed to fundamentally change how customer research is conducted.

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About the Role

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Our client is hiring a Senior / Staff Member of Technical Staff to build and scale its AI-powered customer research platform.

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This is a high-ownership engineering role that combines full-stack product development, AI-powered features, platform engineering, and user experience.

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You'll work across the product, from building conversational AI experiences and research insights to developing participant recruitment systems, improving platform design, and scaling backend infrastructure.

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The ideal candidate is a product-minded software engineer who enjoys building customer-facing applications, solving complex technical problems, and owning features from concept through production.

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What You'll Do

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  • Build and ship AI-native product features across the customer research platform.
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  • Develop conversational AI capabilities that allow customers to interact with research findings and insights.
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  • Build analysis and insights tools that help businesses understand customer feedback and make decisions.
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  • Develop participant recruitment, incentive management, and self-service research workflows.
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  • Build systems for managing research panels, participant lists, and recruitment at scale.
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  • Improve the overall product experience, including frontend architecture, UI components, and design systems.
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  • Partner closely with product and design teams to develop intuitive, customer-facing experiences.
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  • Design and build scalable APIs, backend services, and distributed systems.
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  • Own features end-to-end, from technical design and implementation through deployment and iteration.
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  • Help expand the product roadmap and improve the platform as customer adoption grows.
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What We're Looking For

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  • 4+ years of professional software engineering experience, with demonstrated senior-level technical ability.
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  • Strong full-stack software engineering fundamentals.
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  • Experience building and shipping production software used by real customers.
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  • Strong product instincts and ability to translate ambiguous requirements into intuitive user experiences.
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  • Experience developing backend APIs, services, and scalable application architecture.
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  • Comfortable collaborating with product managers, designers, and engineers.
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  • Ability to take ownership of complex technical problems from design through deployment.
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  • Experience working with modern frontend frameworks and backend technologies.
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  • Strong understanding of system design, software architecture, and engineering best practices.
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  • Ability to move quickly, solve problems independently, and thrive in a high-performance engineering environment.
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Bonus Experience

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  • Experience building AI-native products or LLM-powered applications.
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  • Experience with conversational AI, agentic workflows, or AI-driven analytics.
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  • Experience building data analysis, insights, or business intelligence products.
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  • Experience developing self-service platforms, marketplaces, or participant recruitment systems.
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  • Experience with distributed systems and high-scale backend infrastructure.
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  • Experience building frontend design systems or complex interactive interfaces.
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  • Previous experience at an early-stage or high-growth startup.
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Why This Opportunity

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  • Build AI agents that automate customer research from start to finish.
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  • Work on products used by some of the world's most recognized technology companies.
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  • Join a small, highly technical team building an AI-native platform.
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  • Own meaningful product features across frontend, backend, and AI systems.
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  • Help develop new ways for companies to understand customers through AI-powered research.
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  • Experience startup-style engineering with the potential reach and resources of a global enterprise software company.
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  • Help shape a platform positioned to serve a significantly larger enterprise customer base.
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