AI Agent Engineer Jobs

Sierra

Sierra is seeking a Software Engineer Intern to join their team in London, focusing on customer-facing AI agents. This internship offers hands-on experience in designing, developing, and shipping features for AI agents used by major brands. Interns will learn from real-world applications at scale and contribute to shaping the future of AI technology. The role is ideal for students eager to gain practical experience in a fast-paced, innovative environment.

Salary not listed

Steel is building open-source browser infrastructure for AI agents and apps, enabling developers to ship AI products that interact with the web via their Sessions API. With significant growth and backing from world-class investors, Steel is assembling a talented team to shape the future of human-internet interaction. This internship offers the chance to work on real technical challenges, from scaling browser infrastructure to developing tools and experimenting with AI agents, with opportunities for ownership and shipping production code.

Salary not listed

Fin, now part of Salesforce, is seeking an Engineering Manager for its AI Group in Berlin. This is a hands-on role where you will lead a senior team of engineers, contributing directly to the codebase and the central AI system, architecture, and experimentation for Fin, the highest-performing AI Customer Agent on the market. You will be instrumental in shaping AI products from inception through to success, owning their ongoing development and operational health. This role is key to growing our Berlin hub and driving the future of AI in customer experience.

Salary not listed

OpenAI

The Agent Post-Training team at OpenAI is responsible for developing the frontier agents that are shipped to users. This involves training models for products like Codex and ChatGPT, focusing on creating persistent, proactive intelligence that can operate computers, collaborate with humans and other agents, and expand user capabilities. The team defines the next generation of agent abilities, builds the training signals, and runs experiments to realize these advancements. The role specifically focuses on teaching models to operate computers, including navigating browsers and desktops, using tools, reasoning through complex workflows, and completing long-horizon tasks reliably. This position is at the intersection of frontier model training, product behavior, evaluation, and systems engineering, directly influencing the computer-use capabilities of OpenAI's future agents.

$380k - $500k

Browserbase

Browserbase is seeking a Software Engineer to join the Agent Platform team. This team operates at the intersection of AI and open source, building developer tools that make browser automation smarter, simpler, and more powerful. You will be responsible for building, operating, and growing the Agent Platform framework, which includes developer-first APIs with significant monthly downloads and stars. The role involves designing and implementing tools for web automation, collaborating with leading AI labs to improve models and make them accessible, and deploying production-ready AI solutions that impact millions of users. You will also help define and prioritize projects that shape the future of developer tooling and contribute to documentation and knowledge sharing.

$180k - $300k

Anthropic

Anthropic is seeking Software Engineers to join the Memory & Search team, responsible for how Claude remembers users and finds information across Claude.ai, Cowork, and Claude Code. This role involves both user-facing experiences, such as how memory is displayed and edited, and the underlying infrastructure for memory services, indexing, retrieval, and vector search. The team has recently transitioned memory to a dynamic, editable system unified across products, and improved search functionality significantly. The focus is now on developing compelling product features that leverage memory and search, requiring engineers with experience in shipping user-facing products at scale, a strong sense for product quality, and expertise in building agentic systems where models, tools, and user interfaces collaborate. You will drive product experiments, analyze usage, and contribute to the team's product-centric approach. This role also involves close collaboration with product, design, privacy, legal, and safeguards teams to ensure features meet privacy and enterprise requirements.

$405k - $485k

Perplexity AI

The Enterprise Agent Evals & Efficiency team at Perplexity focuses on enhancing the capabilities of AI agents to perform real-world tasks across various enterprise connectors, tools, and data sources. The primary objective is to enable agents to select the appropriate tools, utilize relevant context, and execute complex workflows reliably, while minimizing time and computational resources. This role involves end-to-end ownership, from developing realistic enterprise evaluation environments to implementing improvements in the agent harness, tools, and skills. You will create intricate scenarios involving connected systems, data, and permissions to pinpoint agent weaknesses and refine the tools, skills, context, and models they employ. Collaborating with AI Research, Connectors, and Platform teams, you will translate experimental findings into tangible improvements in task success rates, latency, and cost efficiency.

$220k - $405k

Cresta

As a Senior Software Engineer, you will be responsible for ensuring Cresta's AI Agents are supported by the most reliable and scalable server solutions. This involves designing and maintaining the server architecture to handle high-volume, real-world interactions with a focus on high availability and performance. While the role emphasizes server optimization and data management over pure research, you will work with advanced cloud and server technologies. This is a significant opportunity to influence the future of AI at Cresta by tackling complex challenges and deploying cutting-edge AI advancements into production.

$205k - $270k

Cresta

Cresta is seeking an AI Agent Engineer to join their mission of creating state-of-the-art AI Agents that solve practical problems for customers. This role focuses on leveraging the latest technologies in Large Language Models (LLMs) and AI Agent systems, ensuring solutions are cost-effective, secure, and reliable. You will work closely with customers and internal engineering teams to deploy high-impact AI agents, integrate them with external systems, and provide hands-on technical expertise. This position requires strong engineering skills, adaptability, and customer engagement, making it ideal for self-driven, analytical individuals eager to apply AI in practical applications.

$185k - $235k

Cresta

We are seeking a Lead Engineer, AI Agent Voice Experience to develop the next generation of AI-powered voice systems for contact centers. This role involves working at the intersection of speech, language, and real-time production systems to enhance how AI listens, understands, reasons, empathizes, and responds in live customer conversations. You will be responsible for developing and improving end-to-end machine learning systems for voice experiences, including automatic speech recognition, turn detection, agentic workflows, voice evaluation, text-to-speech, speech-to-speech models, and production optimization. Collaboration with researchers, product managers, designers, and engineers will be key to translating model improvements into measurable business impact. This position is ideal for individuals passionate about both model quality and production realities, focusing on rigorous evaluation, failure analysis, latency and robustness improvements, and shipping reliable, scalable real-time voice systems.

$205k - $270k

Athelas

Commure is seeking a Senior Software Engineer to join their team in Rio de Janeiro, Brazil, to help build and scale their RCM Email Agents. These agents are designed to understand, process, and act upon the high volume of operational emails faced by healthcare revenue cycle teams, automating tasks like claim and payment inquiries, enrollment, and customer support. The role involves owning these systems end-to-end, from agent harnesses and backend APIs to data models, operator interfaces, evaluations, and production infrastructure. You will collaborate closely with engineers and RCM operators to transform complex workflows into reliable, scalable agents, working across the full stack to deliver production outcomes.

$40k - $93k

Cresta

Cresta is seeking a Senior Software Engineer to build and operate the real-time AI agent runtime infrastructure. This role involves designing and managing a low-latency system for voice and chat AI agents, including LLM streaming and conversation state management. You will also solve complex distributed systems problems related to session management, fault tolerance, and consistency. Additionally, you will develop a serverless-style function execution platform for custom customer logic, focusing on orchestration, container lifecycle, and autoscaling. A key part of this role is owning the developer experience, building tools like CLIs and local development environments to enable rapid iteration and confident shipping. You will also be responsible for raising the bar on production quality through observability, incident response, and best practices, and will be expected to operate the systems you build.

Salary not listed

NVIDIA is seeking a Senior AI Agent Test Development Engineer to leverage and develop AI-powered tools to enhance software testing efficiency and effectiveness. This role involves improving various aspects of the testing process, including test case generation, defect detection, flaky test analysis, regression testing, and test coverage optimization. You will collaborate with product and engineering teams to define test strategies, build test plans, design and execute test cases, and report on quality status and risks. The position requires performing a range of testing types for cloud-native systems and automating test cases within scalable test frameworks, while also managing the bug lifecycle and verifying fixes.

Salary not listed

Salesforce is seeking a Senior Data Engineer to join their AI & Data team in Mexico City. This role involves designing, building, and optimizing scalable data pipelines and models that power analytics, AI, and business insights. You will work with modern data platforms and leverage AI-native development tools and agentic workflows to enhance development speed, validation rigor, and data product reliability. The position focuses on building and maintaining automated pipelines, integrating data from various systems, ensuring data accuracy and consistency, and partnering with cross-functional teams to deliver production-ready data products. A key aspect of the role includes building agentic workflows for ETL, QA, anomaly detection, and pipeline remediation, along with designing verification patterns for agent output.

Salary not listed

Cresta

Cresta is seeking a Senior Software Engineer to join their AI Agent team, focusing on building enterprise-grade AI Agents that integrate seamlessly with customer contact center platforms. This role involves developing the backend systems that enable AI Agents to participate in live conversations, manage conversation state, and transition smoothly between AI and human agents. It's a production-focused role, emphasizing the development of reliable infrastructure for AI Agents operating in critical customer environments, blending expertise in distributed systems, real-time communication, enterprise integrations, and AI Agent orchestration.

Salary not listed

NVIDIA is at the forefront of transforming computing with AI, and we're looking for talented individuals to join our mission. As an intern, you will be immersed in a supportive environment where innovation is encouraged. You'll contribute to defining the next era of computing, where our GPUs power intelligent systems that understand the world. This is an opportunity to make a lasting impact by working with cutting-edge AI technologies.

Salary not listed

Cresta

Cresta is seeking a Senior Forward Deployed Engineer specializing in AI Agents to join their team in the UK. This role focuses on building state-of-the-art AI agents that solve practical customer problems using the latest LLM and AI agent technologies. You will be responsible for deploying these agents, integrating them with external systems, and providing technical expertise to ensure successful, cost-effective, secure, and reliable solutions. The position requires strong engineering skills, adaptability, and customer engagement, working closely with customers and internal software and machine learning engineers to drive high-impact deployments and improve the core AI platform.

Salary not listed

Cresta

Cresta is seeking a Senior Forward Deployed Engineer specializing in AI Agents to join their team in Berlin, Germany. This role focuses on developing and deploying state-of-the-art AI agents that solve practical customer problems using LLMs and AI agent systems. You will work closely with customers and internal engineering teams to ensure high-impact deployments, integrate agents with external systems, and optimize their performance. The position requires strong engineering skills, adaptability, customer engagement, and a self-driven, analytical approach to leveraging AI in practical applications.

Salary not listed

Cresta

Cresta is seeking a Forward Deployed Engineering Intern to join their AI Agent team. This role offers hands-on experience with AI systems in customer environments, focusing on developing and deploying state-of-the-art AI Agents. The team leverages the latest technologies in Large Language Models (LLMs) and AI Agent systems to create cost-effective, secure, and reliable solutions for customer experience enhancement. This internship provides mentorship and exposure to customer-facing technical problem-solving within a fast-paced AI and product development setting.

Salary not listed

Decagon

Decagon is a leading conversational AI platform that empowers brands to deliver exceptional customer experiences through AI agents. Our technology enables enterprises to deploy personalized and satisfying interactions across various channels. We are building a future where customer experiences are redefined, moving beyond traditional support to foster faster resolutions, richer conversations, and deeper relationships. The Product Engineering team at Decagon is responsible for building the platform that allows customers to create, operate, and enhance their AI agents, transforming complex engineering tasks into user-friendly product features. This team is crucial for scaling Decagon's impact, with the frameworks they build supporting every agent in production, ensuring reliability and robustness across diverse workflows and constraints. They also build agents directly, using production failures as opportunities to create guardrails, evaluations, and tooling that improve the platform universally.

$200k - $400k

Decagon

Decagon is seeking a Senior Software Engineer to join the Product Engineering team. This team is responsible for building the core platform that enables customers to create, operate, and improve their AI agents. You will design and build systems that allow customers to configure, train, test, and monitor sophisticated AI agents with confidence, translating complex technical capabilities into simple, usable interfaces. You will own features end-to-end, from technical architecture through deployment and iteration, working closely with product and design to understand customer use cases and ensure the right solutions are built. This role involves building self-serve functionality, designing configuration abstractions, creating AI-powered tooling for agent workflows, and developing monitoring and analytics for agent performance.

$200k - $400k

Crusoe

We are seeking a Senior Enterprise AI Automation Engineer to play a key role in executing Crusoe's 2026 Enterprise AI Strategy. In this role, you will design and build agentic AI systems that move the organization from simple information retrieval to orchestrated, multi-system automation. You'll operate at the intersection of AI, enterprise systems, and integration platforms—building scalable agent workflows, enabling a citizen developer ecosystem, and establishing the technical foundations for an AI-powered operating model.

$145k - $170k

Pallet is building AI Agents to transform the physical economy, a $12 trillion global industry. We are seeking a Software Engineer, Agent Delivery to deploy production AI agents within large supply chain companies. This role involves working directly with customer teams to understand critical workflows, design integrations, debug production systems, and implement AI-powered solutions in complex environments. You will own deployments from discovery to launch, acting at the intersection of engineering, product, and customer operations, and will spend time with customers both remotely and onsite.

$135k - $180k

AssemblyAI

AssemblyAI is seeking a Software Engineer to own the agent experience (AX) for developers building with their Voice AI models. This role focuses on ensuring AI coding agents can seamlessly discover, integrate, and debug AssemblyAI products. You will be responsible for developing agent skills, prompts, and integrations that enable agents to create production-grade AssemblyAI integrations on the first try. This is a unique opportunity to shape a new and rapidly growing area within a successful AI company, working closely with senior engineers and gaining significant ownership from day one.

CA$160k - CA$210k