AI Startup Jobs

Together AI

The Infra Agent Systems team builds the software systems that power and automate Together AI's large GPU fleet. This role involves developing production AI agents that diagnose hardware failures, investigate incidents, correlate signals, and automate operational workflows. You will also build the platform these agents run on, including knowledge graphs, retrieval systems, orchestration frameworks, and developer tooling. This is an opportunity to work at the intersection of AI agents, distributed systems, infrastructure, and automation, solving challenging engineering problems with real production impact. You will be responsible for delivering software and operating it in production.

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Together AI

Together AI is seeking an experienced AI Infra (Systems Engineers) Lead/Manager to join our team in Amsterdam. You will be responsible for keeping all user-facing services and production systems running smoothly, blending operational discipline with software engineering principles. This role involves applying sound engineering practices and automation to our operating environments and codebase, with a specialization in systems like operating systems, storage, and networking, while focusing on availability, reliability, and scalability.

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Together AI

As a Forward Deployed Engineer (FDE) focused on Inference & Post-Training, you will be a hands-on technical partner to strategic customers looking to leverage high-quality models and perform inference at scale. You will act as a deep-domain specialist in inference optimization, fine-tuning pipelines, and production deployment, partnering with Solutions Architects. FDEs add significant value by ensuring complex Proofs of Concept (POCs) are met, facilitating platform adoption, and guiding tailored optimization efforts, directly impacting customer success and platform hardening.

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Together AI

As a Customer Support Engineer at a pioneering AI company, you will be the first line of defense supporting customers building training, fine-tuning, and inference solutions. You will dive deep into complex technical challenges, providing swift and effective solutions while serving as a product expert. Collaborating closely with product and sales, you will drive continuous improvement of our offerings. This is an exciting opportunity for a deeply technical professional passionate about AI and customer success to make a significant impact in a fast-paced, innovative environment.

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Together AI

Together AI is seeking an AI Infrastructure Engineer (SRE) to ensure the smooth operation of user-facing services and production systems. This role combines the skills of a pragmatic operator and a software engineer, applying sound engineering principles, operational discipline, and automation to our operating environments and codebase. You will specialize in systems such as operating systems, storage subsystems, and networking, while implementing best practices for availability, reliability, and scalability, with interests in algorithms and distributed systems. Join a research-driven artificial intelligence company focused on advancing AI through open and transparent systems, aiming to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models.

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MatX is building custom silicon and co-designing hardware/software to make the world's best AI models run with unprecedented efficiency. The AI tooling team plays a crucial role across the entire stack, developing agent harnesses and shared workflows that optimize general-purpose coding agents for specific layers. This position focuses on building the infrastructure that enhances AI agent judgment by providing them with necessary context and verification capabilities. You will work on making agents first-class users of our infrastructure, building secure execution environments, and developing a company-wide agent knowledge base. This is an opportunity to have a significant impact at a growing company where your work will directly influence every engineer using AI agents.

$160k - $275k

We are seeking a Sr. Staff Engineer – Applied AI, Patient to join our Patient Engineering team. In this role, you will be instrumental in building and scaling AI/ML-powered patient experiences across various domains, including matching, ranking, recommendations, onboarding, and personalization. This is a hands-on technical leadership position where you will develop and enhance production models and AI systems, create essential capabilities for Patient Engineering, and collaborate closely with Rula's ML team on shared infrastructure, models, standards, and architectural decisions. You will tackle high-leverage Applied AI challenges, whether that involves developing models, building reusable components, improving existing systems, or determining the most effective solution approach, which may include custom ML, foundation models, AI services, deterministic software, or a combination thereof. Your success will be measured by your ability to empower Patient Engineering to create superior intelligent experiences and foster a strong technical partnership with the ML team, leading to improved models, reusable capabilities, and accelerated, high-quality delivery of AI/ML-powered patient experiences.

$242k - $303k

Firecrawl is seeking a highly motivated and product-focused engineer to enhance how AI agents discover, understand, and utilize Firecrawl's capabilities. This role emphasizes rapid iteration, rigorous A/B testing, and translating learnings into product improvements for a non-human user base. It requires a blend of scientific rigor in product development, including hypothesis formation, experimentation, and data analysis, rather than pure research or data science. Prior experience with AI agents is beneficial, but strong engineering skills, a fast shipping cadence, and a quick learning ability are paramount. Firecrawl provides the easiest way to convert web content into data usable by AI agents, solving a critical problem for LLM development. The company has experienced significant growth, backed by substantial funding, and is building foundational AI infrastructure.

$235k - $260k

MatX is building custom silicon and co-designing hardware/software to make the world's largest AI models run with unprecedented efficiency and quality. The AI tooling team plays a crucial role across the entire stack, developing agent harnesses and shared workflows that optimize general-purpose coding agents for specific layers of the AI development process. This position offers a unique opportunity to work alongside hardware engineers, gain deep insights into RTL design, design verification (DV), and physical design (PD), and contribute to building the missing tools and workflows that empower AI agents in hardware engineering tasks.

$160k - $275k

MatX is building the compute platform for AGI, developing vertically integrated full-stack solutions from silicon to systems. We are seeking a hands-on engineering lead to manage, mentor, and grow a team of kernel engineers while setting technical direction and executing. This role involves actively contributing to the design and implementation of high-performance compute kernels for specialized AI hardware, partnering with ML teams to maximize output and improve diagnostics, and collaborating with hardware teams to co-design next-generation AI architectures.

$160k - $275k

telli

This internship is ideal for individuals early in their careers, such as recent graduates, seeking in-depth exposure to startup operations. You will work directly with customers and contribute to scaling AI products in a real-world environment. As a Success Architect Intern, you will collaborate closely with the founders on both onboarding/agent development and customer success initiatives, helping our team ensure customers achieve success with telli. Your responsibilities will include onboarding new customers, developing AI agents, supporting existing accounts, and building processes to facilitate company growth.

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Handshake is seeking a Member of Technical Staff, Post-Training to help define and build a new organization focused on advancing the AI economy by organizing expert human knowledge. This role involves working directly with frontier labs on data, evaluation, and post-training challenges, building systems that transform expert knowledge into data and evaluations to improve frontier models. You will partner with researchers, domain experts, and customers to translate ambiguous post-training questions into experiments, evaluation frameworks, data pipelines, and products. As an early member, you will have significant influence over the technical direction, operating culture, and reusable systems built.

$200k - $350k

We are seeking an Engineering Manager for AI/ML to lead Rula's AI Engineering team, focusing on both applied product capabilities and foundational ML platforms. This role involves guiding senior and staff engineers to deliver user-facing features like transcript summarization and search relevance, while also architecting core AI/ML infrastructure such as feature stores and AI observability platforms. The ideal candidate will balance execution speed, strong coaching, and a rigorous sense of clinical safety to ensure solutions and models scale effectively and safely. You will be instrumental in shaping Rula's AI engineering culture and driving technological advancements that transform mental healthcare delivery.

$208k - $260k

EnCharge AI is seeking a highly skilled and experienced AI Compiler Engineer to spearhead the development and optimization of graph compilers tailored for cutting-edge AI and ML workloads. This role involves collaborating with hardware architects and AI researchers to enhance performance, optimize computation graphs, and enable efficient model deployment on EnCharge's Inference Accelerators. The ideal candidate will architect, design, and implement optimizations for AI model execution on graph compilers to improve performance, reduce latency, and maximize hardware utilization.

$190k - $255k

telli

telli is building AI agents to revolutionize how businesses interact with their customers. We enable leading B2C companies to deploy thousands of voice agents, transforming customer experiences. While building a first voice agent is straightforward, achieving real outcomes at scale is challenging. telli empowers companies to build, deploy, and enhance consumer-facing AI voice agents, aiming to lead this critical software category. We are a small, AI-focused team dedicated to solving complex problems through rapid experimentation and leveraging AI capabilities, fostering a culture of ownership, humility, and low ego.

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Conveo

Conveo.ai is a fast-growing, Y Combinator-backed company seeking a Senior Product Engineer to join its small, impactful engineering team. In this role, you will own the entire product development lifecycle, from understanding customer problems to shipping polished software. You will work closely with engineering leads and the CTO, directly influencing product direction and technical strategy. Our platform uses AI to enable fast, affordable, and high-quality consumer and B2B research, with global brands like Unilever and Google as clients. This is an opportunity to shape a company during its active growth phase, with significant potential for personal and professional development.

£80k - £125k

Netomi is seeking a highly analytical and detail-oriented Data Engineer II to join the Analytics team. This role involves working closely with data science, product, engineering, and customer success teams to drive complex data and trend analyses, propose improvements, and contribute to enhancing customer experience. The engineer will be responsible for benchmarking and measuring the performance of product operations projects, building scorecards and reports, and identifying new opportunities based on customer and business data. The ideal candidate has a passion for using data to discover and solve real-world problems, enjoys working with rich datasets and modern business intelligence technology, and can see their insights drive product features. This role also offers the opportunity to contribute to the development of policies, processes, and tools to address product quality challenges.

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telli

telli is building the future of customer conversations with AI voice agents. We are a fast-growing, AI-focused company that helps leading B2C companies deploy and improve consumer-facing AI voice agents at scale. As an intern in the Founders' Office, you will work directly with the founding team, gaining hands-on experience in finance, legal, operations, and special projects. This role offers a unique opportunity to see how an early-stage AI company operates and contribute to its rapid growth.

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Conveo

Conveo.ai is a fast-growing, Y Combinator-backed company seeking a Senior Product Engineer to join its small, impactful engineering team. In this role, you will own the full product development lifecycle, from understanding customer problems to shipping working software. You will have significant influence on product direction and technical strategy, working closely with engineering leads and the CTO. This is an opportunity to shape the company's growth and build innovative AI-powered research tools used by global brands.

€90k - €110k

Netomi is seeking a highly analytical and detail-oriented candidate to join the Analytics team. As part of the team, you will work with data science, product, engineering, and customer success teams to drive complex data and trend analyses to propose ways to improve and thereby contribute to improving the experience. You will also be responsible for benchmarking and measuring the performance of various product operations projects, building and publishing detailed scorecards and reports, identifying and driving new opportunities based on customer and business data. We are looking for an Engineer with a passion for using data to discover and solve real-world problems. You will enjoy working with rich data sets, modern business intelligence technology, and the ability to see your insights drive the features for our customers. You will also have the opportunity to contribute to the development of policies, processes, and tools to address product quality challenges in collaboration with teams.

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Abridge

Abridge is seeking an engineering leader to establish and grow its New York engineering presence. This role is a builder's role first, focusing on owning business-critical product areas end-to-end, setting technical direction, and making architectural decisions. The leader will be responsible for scoping and shipping product in an evolving area, growing a team from a small core, and representing Abridge engineering in New York. The position requires hands-on technical involvement to unblock the team and contribute to technical design discussions, alongside a strong point of view on AI and agentic engineering. The ideal candidate will have a track record of building products from inception to scale, driving execution velocity, and fostering a high-quality engineering culture.

$290k - $350k

Handshake is seeking a Senior Software Engineer to join the Backend Platform team, with a primary focus on supporting Handshake AI (HAI) and internal AI initiatives. This role involves building and maintaining backend services, shared platform capabilities, and developer tooling. The work will center on core backend platform concerns such as service architecture, APIs, data systems, performance, reliability, and developer experience, with an increasing use of LLMs and agents. The ideal candidate will possess strong backend fundamentals combined with practical knowledge of LLM-powered and agentic systems.

$208k - $260k

Eudia is seeking a highly motivated and innovative AI Engineer Intern for either the spring or summer to join their growing team. This internship offers an exceptional opportunity to work on challenging Machine Learning / Gen AI problems in the legal domain. As an intern, you will collaborate with experienced AI researchers and engineers to solve enterprise-grade AI problems across Content AI, Document AI, and the applications built on top of them, including evaluating and fine-tuning both open-source and closed-source models, improving retrieval and reasoning quality, and testing AI systems for accuracy, reliability, and performance. This is a hands-on opportunity to contribute to real-world AI applications, tackle fundamental challenges in deep learning, and gain exposure to production-grade AI systems.

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Campfire

Campfire is building AI agents to automate the heavy lifting of ERP implementations, cutting them from months to weeks. As a Data Engineer, you will be an architect of the agentic platform at the heart of this effort, responsible for the system that moves customers onto Campfire and keeps their financial data live and in sync. This role is not a traditional data engineering position; you will be building the platform and AI agents themselves, with significant ownership and the opportunity to ship features that directly impact customer implementations and company scaling.

$150k - $220k