AI Startup Jobs

We are building the next generation of AI-native product experiences where conversations directly translate into outcomes. As a Senior Software Engineer on our Product teams, you will own significant product areas and play a key role in shaping how AI capabilities deliver real user value. You will work across the full lifecycle of AI-driven features, from data ingestion and model orchestration to output structuring and delivery into user-facing product surfaces. This role involves not only building features but also designing the underlying systems, ensuring AI outputs are reliable, performant, and aligned with user needs. You will tackle complex, ambiguous problems, driving them from concept to production while making thoughtful tradeoffs across latency, cost, and quality. This includes defining how LLMs, retrieval systems, and structured data converge to create cohesive product experiences. Collaborating closely with product, design, and AI teams, you will rapidly prototype and iterate on features like summaries and intelligent workflows, while helping establish best practices for other engineers.

$185k - $230k

You.com is building the AI Search Infrastructure that powers modern AI systems, aiming to create a trusted knowledge layer for agents, applications, and enterprises. Our platform combines proprietary indexes with LLM-optimized retrieval systems to solve complex problems in search, large language models, and large-scale infrastructure, making AI systems more reliable, transparent, and useful. This hybrid product engineering and go-to-market role offers significant impact at the intersection of these areas, focusing on shaping our API surface and engaging directly with key customers.

$200k - $250k

We are building the AI layer of the Radio Access Network, applying agentic AI, machine learning, and LLMs to real RAN challenges. This role is for a Technical Lead to own the end-to-end architecture and technical direction of these AI systems. It is a hands-on senior individual contributor role, combining architecture, coding, technical leadership, and mentorship. You will work alongside RAN, PHY, and software teams, building production-grade AI solutions for real cellular networks.

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Synthio is seeking Solutions Engineers with strong engineering backgrounds and exceptional customer-facing skills to join their team. In this role, you will collaborate directly with leading pharmaceutical companies to understand their complex workflows, design innovative AI-powered solutions, prototype these solutions with clients, and guide them through to production. You will operate at the crucial intersection of customer needs, engineering, product development, and AI.

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Parallel Wireless is seeking an AI Engineering Team Manager to lead its AI team and drive its technical direction, roadmap, and execution. This role involves leading AI/ML initiatives from concept to production, defining success metrics, and ensuring AI solutions deliver measurable impact. The manager will also lead architecture and technical decisions for AI models, platforms, tools, and data, while building and growing a strong, multidisciplinary team through recruitment, mentoring, and career development. Establishing robust engineering practices for evaluation, scalability, reliability, monitoring, and model lifecycle management is key, as is close collaboration with Product Management, Systems Engineering, and R&D teams across different geographies. The role also includes partnering with domain experts to identify AI opportunities for network improvement and supporting customer-facing discussions and trials.

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Synthio is seeking exceptional AI Engineers to build deeply technical systems and communicate clearly about their work. You will operate across the AI stack, encompassing LLM orchestration, retrieval, agents, evaluations, voice systems, APIs, and production infrastructure. The role involves owning problems from initial exploration through deployment and ongoing iteration, contributing to the development of cutting-edge conversational voice and video AI for the life sciences industry. This is an opportunity to shape not only the product but also the company's identity and culture within an early-stage, fast-scaling startup.

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Synthio is seeking an Applied AI Engineer with a strong blend of AI engineering expertise and a deep understanding of the life sciences domain. This role is crucial for building next-generation conversational voice and video AI solutions tailored for the life sciences industry, ensuring 100% regulatory compliance. You will develop AI systems for healthcare professional (HCP), patient, medical, and commercial workflows, focusing on areas where scientific accuracy, reliability, and domain context are paramount. This is an opportunity to contribute to a fast-scaling, early-stage startup, shaping not only the product but also the company's identity and culture.

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Genmo is a research lab focused on developing advanced video world models to understand, simulate, and interact with the physical world, aiming to advance physical intelligence and enable robots to learn and act. We are seeking an exceptional Software Engineer to join our research team in pushing the boundaries of visual generative AI. In this role, you will collaborate with experienced researchers to develop and enhance generative models, ensuring their safe and effective deployment. This is an opportunity to contribute to cutting-edge AI research in a fast-paced startup environment.

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Campfire

Campfire is seeking an AI Engineer to build production AI agents that assist customers with accounting tasks. This hands-on role involves shaping agent architecture, shipping customer-facing features, and establishing reliable engineering practices. You will collaborate closely with engineering, product, and design teams to transform complex problems into trustworthy software solutions. The ideal candidate will combine strong software engineering fundamentals with practical experience in developing and operating agentic applications, from automating financial workflows to enabling customers to understand and act on their financial data.

$180k - $300k

LanceDB is seeking an AI Research Engineer to collaborate with their research team on open-ended research projects. The role focuses on end-to-end training flows across various AI domains, demonstrating how LanceDB can accelerate research. This is a unique opportunity to pursue research interests as an engineer, significantly impacting product development and raising awareness of LanceDB's capabilities.

$150k - $255k

StackBlitz

As a Staff Engineer on the AI team, you will lead the technical direction of AI agents that transform natural language into production-ready applications. This involves defining how LLMs are used to tackle complex challenges such as maintaining context across large codebases, orchestrating intuitive multi-step workflows, and managing everything from minor UI adjustments to significant architectural decisions. This role goes beyond simple API integration; you will establish the patterns and systems that guide AI reasoning and generation of full-stack applications, influencing the AI strategy across multiple teams and impacting the daily experience of millions of users building products with Bolt.

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StackBlitz

As a Senior Engineer on the AI team, you will build and improve the core coding AI agents that power Bolt.new. You will collaborate directly with product, design, engineering, and data to solve key agent challenges, including evaluation harnesses, context compression, maintaining context across large codebases, orchestrating intuitive multi-step workflows, and tackling everything from simple UI tweaks to complex architectural decisions. This role involves contributing to how AI reasons about and generates full-stack applications, working alongside experienced engineers in a problem space where patterns are still being invented. Your work will ship to millions of users building real products with Bolt.new daily.

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Artisan

Artisan is building a new, ambitious project at the frontier of agentic AI, pushing the boundaries of what AI agents can achieve. This role is for a hands-on technical lead responsible for designing and building the core AI architecture, focusing on agent behavior, multi-agent systems, tool use, context management, and evaluation. The position offers broad technical ownership as an individual contributor, involving consequential architecture decisions, writing critical system components, and close collaboration with existing engineers and leadership. The ideal candidate enjoys tackling uncertain problems and executing detailed engineering to deliver robust solutions.

$250k - $325k

Parloa

As a Lead AI Agent Architect at Parloa, you will be instrumental in revolutionizing customer service through advanced AI-powered agents. This customer-facing role involves leading the design and implementation of AI Agent solutions to help enterprise clients and partners achieve more efficient, scalable, and intelligent customer experiences. You will operate at the convergence of LLMs, conversational design, and enterprise systems, translating intricate requirements into robust, production-ready AI workflows. Your responsibilities will span from initial solution design through deployment and optimization, ensuring AI agents perform reliably, integrate seamlessly, and deliver tangible business impact. This is a unique opportunity to architect and deploy cutting-edge AI Agents at scale, significantly influencing how enterprises leverage LLMs to enhance customer experience and operational efficiency.

$196k - $223k

LangChain is seeking a Senior Fullstack Engineer to join the LangSmith team, which builds the core platform for observability, evaluation, and production reliability of AI systems. This role offers the opportunity to shape the technical direction of the platform, working closely with enterprise customers, developer end-users, and internal stakeholders. You will lead the technical architecture and implementation of key product features, collaborating with product and design teams, and driving aggressive project timelines while maintaining high engineering standards. The position emphasizes writing clean, maintainable, and well-tested code, with a "get stuff done" attitude and strong ownership mindset.

$175k - $240k

Parloa

As a Sr Agent Architect at Parloa, you will act as a solution architect for enterprise AI Agent deployments. You will design end-to-end system architectures that connect Parloa's platform to complex enterprise environments, solve multi-system integration challenges, and apply systems thinking to build reliable, scalable AI solutions for global enterprise clients. You will also shape the conversational experience layer, using prompt engineering and your knowledge of LLMs to translate customer requirements into agent behavior. Architecture and integration depth are the core of this role, with conversational design skills being valued and developed on the job.

$156k - $178k

LangChain is seeking a Senior Backend Engineer to join their growing engineering team in Boston, MA. This role will focus on building the backend systems that power LangSmith, LangChain's observability and evals platform. You will work on core services enabling customers to monitor and evaluate their AI applications at scale. While the primary focus is backend feature development, familiarity with full-stack engineering, performance tuning, and debugging production issues is beneficial. This is an opportunity to shape the future of AI observability at production scale.

$170k - $235k

Observe.AI is seeking an AI Agent Engineer to lead the development and deployment of enterprise-grade Voice, Chat AI agents, and AI Copilots. This is a hands-on, customer-facing role responsible for the entire lifecycle of AI Agents, from design and integration to deployment and optimization. You will act as the primary technical partner for clients, guiding them from concept to production and ensuring the successful implementation of AI solutions.

$108k - $170k

Metal is seeking a Forward Deployed Engineer to join a strategic account at a leading private capital firm. This role involves embedding with the customer to own the entire process from scoping to production deployment of AI-driven workflows. You will bridge the gap between a top-tier investment team and their AI evolution, combining engineering expertise with customer empathy to reshape investment firm operations. This is a senior, high-autonomy position focused on delivering tangible customer outcomes.

$150k - $240k

Physical Intelligence

Physical Intelligence is seeking a Software Engineer focused on AI productivity to build and deploy tools that enhance AI utilization across the company. This role involves close collaboration with various teams, including engineering, research, and operations, to identify opportunities for AI leverage and translate them into robust internal tools and workflows. The position is within the Runtime team, which focuses on core systems for operational and research efficiency, alongside engineers working on build systems, infrastructure, and developer productivity. The primary focus will be on AI tooling, making AI agents, assistants, integrations, and automation valuable across the organization.

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Code Metal

Code Metal is seeking a Staff Python Engineer to join their Modeling & Simulation team. This role will focus on building the Python services, pipelines, and tooling that drive a next-generation wargaming and decision-support platform. You will design backend services and APIs, integrate with simulators, manage data, and expose results to analysts and government stakeholders. The position involves developing backend infrastructure that interfaces with AI and machine learning pipelines, designing scenario-generation and analysis workflows, and building distributed, cloud-scale infrastructure to support simulations across various environments while ensuring reproducibility and model provenance. Strong command of cloud services and distributed architectures is essential.

$200k - $250k

Code Metal

Code Metal is seeking a Principal Python Engineer to join their Modeling & Simulation team. This role will focus on building the Python services, pipelines, and tooling that drive the core wargaming simulation for a next-generation decision-support platform. You will design backend services and APIs that interface with the frontend, integrate with simulators, manage data, and expose results to analysts and government stakeholders. The position involves developing backend infrastructure that interfaces with agentic AI and machine learning pipelines, designing scenario-generation and campaign-evaluation workflows, and building distributed, cloud-scale infrastructure for running simulations. Strong command of cloud services and distributed architectures is essential.

$250k - $290k

Ambient.ai

Ambient.ai is seeking an AI Infrastructure Software Engineer to design, build, and optimize the AI infrastructure powering their real-time intelligence platform. This role involves working on systems to run state-of-the-art deep learning models, including computer vision, large language models (LLMs), large vision models (LVMs), and multimodal AI systems, across vast amounts of video data in real time. You will focus on scaling infrastructure for inference, evaluation, and continuous model improvement, partnering closely with research scientists and product engineering teams to bring AI advancements into production.

$168k - $205k

We are seeking a Staff Engineer to build and maintain the production systems that power our AI-enabled product capabilities. This role bridges ML systems, platform engineering, and site reliability engineering, focusing on moving machine-learning models and agentic workflows from prototypes to secure, observable, and continuously deployable production systems. You will partner with various teams to create a streamlined path from experimentation to production and ensure the ongoing performance and evolution of these systems.

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