AI Engineer Jobs at Startups

LangChain is seeking an Engineering Manager to lead the team responsible for building LangSmith, our observability and evaluation platform for LLM applications. This role involves defining the technical direction, mentoring a team of engineers, and collaborating with product and design to deliver features that empower developers to build and deploy trustworthy AI systems. You will foster a culture of collaboration, ownership, and technical excellence, ensuring the scalability and reliability of our platform. The position requires a strong technical background and a bias towards shipping quickly while learning from customers.

$220k - $270k

We are seeking an Applied AI Engineer to join our team and build AI-powered features that enhance our product experience and drive business outcomes. This is a hands-on, product-focused role where you will take ideas from concept to production, designing intelligent systems, validating them with users, and transforming them into reliable, scalable services. You will collaborate with cross-functional teams to identify high-impact opportunities, prototype rapidly, and iterate based on data, owning the full lifecycle from experimentation and evaluation to deployment and continuous improvement. The ideal candidate is passionate about applying LLMs and modern ML tooling to real-world challenges, with a strong understanding of systems, tradeoffs, and outcomes, prioritizing performance, quality, latency, and cost in production.

$215k - $250k

Parloa

Parloa is at the forefront of a new era in customer experience, powered by agentic AI. We aim to make every customer conversation effortless, transforming support into meaningful exchanges. Our platform has already powered over a billion interactions for global enterprise brands. As a Senior Software Engineer, you will work on a marketplace of tools and integrations that enhance Parloa's AI agents, ensuring secure and scalable access to business systems. While experience with our specific stack is not required, a willingness to learn and code in Typescript is essential.

Salary not listed

Prime Intellect

Prime Intellect is developing an open superintelligence stack, providing infrastructure for AI labs. Their platform, Lab, integrates compute, environments, evaluations, secure sandboxes, and high-performance training for post-training at scale, including SFT, RL, tool use, agent workflows, and continuous model improvement. They are building open-source frontier AI models for long-horizon tasks and the platform their research team uses. The role focuses on building post-training and agent systems for national institutions, public-sector organizations, and regulated industries, addressing needs for models and agents that operate within strict boundaries for data, deployment, access, auditability, and human authority, while enabling self-improvement without external model dependency.

$150k - $300k

As a Staff Forward Deployed Engineer (FDE) at Invisible, you will lead high-impact, AI-powered solutions that reshape how clients operate their most critical workflows. You will drive the strategy, architecture, and execution of end-to-end systems, working directly with clients. This hybrid role combines AI engineering, software building, and technical consulting, making it ideal for someone who wants to be hands-on with models and close to their impact. The team is increasingly focused on applied AI work, building and deploying LLM-powered and agentic systems in production.

$210k - $300k

Typeface

We help the world’s biggest brands move from brief to fully personalized campaigns — in days, not months. Founded by Abhay Parasnis and backed by Microsoft, GV, Salesforce, Lightspeed, Madrona and Menlo, we’re building category-defining technology at the intersection of creativity and AI with real impact. Join us to help shape the future of enterprise marketing. As a Senior Software Engineer, Platform, you will be responsible for building features end-to-end, working closely with cross-functional teams including product, design, marketing, and data science to design and develop features. We are looking for software engineers across multiple levels to join our team and help us build innovative web applications and cloud services that deliver the power of generative AI to our customers.

$210k - $240k

As a Principal Forward Deployed Engineer at Invisible, you will lead high-impact, AI-powered solutions that reshape how clients operate their most critical workflows. You will drive the strategy, architecture, and execution of end-to-end systems, working directly with clients. This role is a hybrid of AI engineering, software building, and technical consulting, ideal for someone who wants to be hands-on with models and close to their impact. The team is increasingly focused on applied AI work, building and deploying LLM-powered and agentic systems in production, making strong ML engineering instincts a valuable addition to architecture and leadership experience.

$250k - $300k

As a Senior Software Engineer, Forward Deployed Engineer (FDE), you will collaborate directly with clients and internal delivery teams to build and deploy AI-powered solutions. You will own projects end-to-end, from scoping ambiguous problems and prototyping AI workflows to deploying scalable systems. This hybrid role combines AI engineering, software development, and technical consulting, offering a hands-on experience with models and their impact.

$180k - $264k

Parloa

Parloa is at the forefront of a new era in customer experience, powered by agentic AI. We aim to make every customer conversation effortless and meaningful. As a Manager, Forward Deployed Engineering, you will lead a high-impact team responsible for strategic enterprise AI deployments. Your mission is to ensure consistent deployment excellence, predictable delivery, strong engineering quality, and rapid unblocking within complex enterprise environments, while maintaining your own technical credibility.

Salary not listed

Bretton AI

Bretton AI is seeking Product Engineers to transform complex customer challenges into elegant technical solutions. In this role, you will take ownership of significant features from their initial conception through to production. You will collaborate directly with customers to deeply understand their requirements, design scalable architectures, and deliver code that demonstrably enhances compliance operations. This position offers a blend of in-depth technical work and substantial customer impact, where you will develop systems processing thousands of cases, significantly reducing time for compliance teams and directly contributing to company revenue.

$200k - $270k

Together AI

This is a unique sourcing role for individuals with a prior engineering background who want to leverage their technical expertise to identify and attract top engineering talent. You will be responsible for proactive outbound sourcing of the top 1% of technical talent in key hubs, evaluating their work, and engaging them through outreach campaigns. The role requires the ability to assess technical skills by reviewing profiles and conducting in-depth technical first calls. You will report to the hiring manager on a small team and have the opportunity to influence the company's technical sourcing and evaluation strategies.

$125k - $190k

Tenstorrent is seeking a Field Application Engineer to join our team in Tokyo, Japan. This hybrid role involves collaborating closely with sales and enterprise customers to drive the adoption of our cutting-edge AI products and solutions. You will leverage your deep technical knowledge in AI, machine learning, and generative models to understand customer challenges and provide effective solutions. This is a customer-facing position requiring strong technical expertise and excellent communication skills to bridge the gap between complex technical concepts and non-technical stakeholders.

Salary not listed

SigNoz

SigNoz is seeking a Developer Relations Engineer to be the face of their open-source observability platform in the Bay Area. This role involves engaging with customers and the engineering community to share compelling stories about how SigNoz helps debug and scale production systems, particularly in the context of AI agents. You will be responsible for identifying customers with interesting use cases, creating technical content like videos and case studies, and representing SigNoz at meetups, conferences, and events. This is a hands-on role with the potential to build and lead a US DevRel team.

$150k - $220k

d-Matrix

d-Matrix is seeking a Senior Staff Inference Performance Engineer to join their Inference Cloud Engineering team. This role is responsible for the end-to-end performance of workloads deployed on d-Matrix's inference services, ensuring they perform at least as well as on bare metal. The engineer will diagnose and isolate performance issues across the full serving path, from orchestration to inference internals, and will be responsible for either fixing problems directly or handing them off to the appropriate owning team with clear evidence. The role involves assessing scalability, defining node requirements for optimal deployment, and building telemetry and benchmarks to support these efforts. The ideal candidate will mentor other engineers in a profiling-first methodology.

$175k - $265k

Manifold is seeking Forward Deployed Engineers (FDEs) to join our team at the intersection of AI, data infrastructure, and life sciences. In this high-impact role, you will collaborate directly with scientists and clinicians across biopharma, academic research, and health systems to implement Manifold's platform with their data, guiding projects from initial scoping through to production. As the primary technical and scientific contact for your accounts, you will operate autonomously, thrive under ambiguity, and represent Manifold at the highest level, earning customer trust and driving successful outcomes.

$165k - $190k

d-Matrix

d-Matrix is seeking a Principal Test Automation Engineer to define and build AI-enabled automation across the software development lifecycle, from build and CI through testing and release. This role involves setting technical direction for AI-enabled workflow automation, building foundational components like agent harnesses and integrations, and developing evaluation methods to ensure automation effectiveness. You will work hands-on, shipping critical components and collaborating with other engineers to raise the bar for AI adoption in daily engineering tasks. The ideal candidate will have extensive production software engineering experience, strong Python skills, and experience shipping AI-enabled tools in production.

$195k - $285k

Ema builds AI Employees for HR, IT, and Finance, taking on busy work so people can focus on more impactful tasks. Founded by former executives from top tech companies and backed by leading investors, Ema is at the forefront of Agentic AI in production, shipping real systems that run business processes at scale. This role focuses on ensuring the security of AI agents and the platform they operate on, especially as they interact with sensitive enterprise data and systems. You will build security controls for autonomous agents in multi-tenant environments, addressing zero-trust challenges and securing various attack surfaces including LLM orchestration, tool integrations, code execution, and browser automation.

Salary not listed

Cohere Health

We are seeking a Staff Data Architect to serve as a senior technical leader responsible for architecting the complete lifecycle of data moves, transforms, and value creation across all product lines. You will own the blueprint for our enterprise data lakehouse, setting the standards, governance, and strategy to elevate data from an operational byproduct to the company's most valuable asset. This role requires deep mathematical and logical modeling expertise combined with a builder's instinct, including coding, rapid prototyping, and proving out next-generation AI data architectures. Experience with US healthcare domain data is essential.

Salary not listed

Cohere Health

Cohere Health is seeking a Staff Applied Scientist to play a critical technical leadership role in powering and scaling machine learning capabilities across their products. This role involves applying state-of-the-art machine learning, large language models, and agentic architectures to complex clinical and operational workflows to automate decision-making, improve data quality, and reduce administrative burden. You will partner closely with clinical operations, product, and engineering teams to uncover insights, inform strategic decisions, and design and evaluate ML systems that directly impact member and provider experiences. This position blends deep hands-on technical work with strategic influence, mentorship, and ownership across multiple work streams, while contributing to broader ML initiatives. The ideal candidate will have a Master's degree (PhD preferred) in a quantitative field and 7+ years of professional experience in applied machine learning or data science, with a strong understanding of Python, deep learning frameworks like PyTorch, and experimental design for production environments.

Salary not listed

Cohere Health

Cohere Health is transforming prior authorization using AI to improve efficiency, reduce costs, and enhance patient care. This role is on the Clinical Intelligence team, focused on building AI/ML and Advanced Rules Engines to streamline and optimize the prior authorization process. You will contribute to the technical roadmap, support technical design, and drive the development, testing, and delivery of cloud platform and web applications. The role involves full-stack development, from database to frontend, with opportunities to integrate AI/LLM-based systems and potentially agent-based systems into product workflows.

Salary not listed

FurtherAI is building AI agents to revolutionize the insurance industry, a trillion-dollar market currently reliant on manual processes. We combine frontier agentic AI with deep domain expertise to transform critical industry operations. Having secured over $30 million in funding from top investors and experienced significant growth, we are a deeply technical company where engineers have a substantial impact on product direction. We are seeking an exceptional AI Engineer to lead our efforts in evaluating and continuously enhancing the quality of AI agents across our platform.

$300k - $350k

Cohere Health

We are seeking a Senior Engineering Manager to lead our Review Engineering team, comprising over 20 engineers across three squads in the US and India. This role is responsible for building workflows and capabilities that enable clinical operations staff to deliver care efficiently and with high quality. You will own the reliability and technical direction of Review's systems, collaborating closely with Product, Design, Security, Clinical Operations, and peer engineering teams. This is a remote-first position with opportunities to shape a critical part of Cohere's platform and develop future engineering leaders in health technology.

$185k - $225k

LangChain is seeking a Fullstack Engineer to join the LangSmith team, focusing on our commercial AI observability and evaluation platform. This role offers the chance to develop new features and functionality, collaborating closely with enterprise customers, developer end-users, and internal stakeholders. You will contribute to a product that is shaping the future of AI agents in the real world, leveraging a strong foundation in open-source tools and a rapidly growing platform.

$145k - $180k

Cohere Health

Cohere Health is looking for a Senior Manager, Data Platform Engineering to lead a crucial part of their Data Platform team. This role involves scaling technology, engineering practices, and client delivery capabilities. You will combine people leadership, technical judgment, and execution ownership to build a high-performing engineering team, drive predictable delivery, technical excellence, and operational reliability across complex data initiatives. You will partner with Product, Engineering, Architecture, Client Delivery, and business stakeholders to construct a scalable and trusted data foundation that supports Cohere's growth.

$175k - $195k