Frontier Agents Engineer
$216k - $270kScale AI, Inc.
About Scale AI Scale AI is the data foundation for AI, helping organizations build and deploy reliable production AI applications. We partner with leading enterprises and government organizations to accelerate their AI initiatives through our data annotation platform, generative AI solutions, and enterprise AI capabilities. Role Overview As a Frontier Agents Engineer on our Enterprise team, you'll be the technical bridge between Scale AI's cutting‑edge AI capabilities and our most strategic customers. You'll work with enterprise clients to understand their unique challenges, architect custom AI solutions, and ensure successful deployment and adoption of AI systems in production environments. This is a hands‑on technical role that combines deep engineering expertise with customer‑facing problem solving. You'll work directly with customer engineering teams to integrate AI into their critical workflows. Key Responsibilities Customer Integration & Deployment Partner directly with enterprise customers to understand their technical infrastructure, data pipelines, and business requirements Design and implement custom integrations between Scale AI's platform and customer data environments (cloud platforms, data warehouses, internal APIs) Build robust data connectors and ETL pipelines to ingest, process, and prepare customer data for AI workflows Deploy and configure AI models and agents within customer security and compliance boundaries AI Agent Development Develop production‑grade AI agents tailored to customer use cases across domains like customer support, data analysis, content generation, and workflow automation Architect multi‑agent systems that orchestrate between different models, tools, and data sources Implement evaluation frameworks to measure agent performance and iterate toward business objectives Design human‑in‑the‑loop workflows and feedback mechanisms for continuous agent improvement Prompt Engineering & Optimization Create sophisticated prompt engineering strategies optimized for customer‑specific domains and data Build and maintain prompt libraries, templates, and best practices for customer use cases Conduct systematic prompt experimentation and A/B testing to improve model outputs Implement RAG (Retrieval Augmented Generation) systems and fine‑tuning pipelines where appropriate Technical Leadership & Collaboration Serve as the primary technical point of contact for strategic enterprise accounts Collaborate with customer data scientists, ML engineers, and software developers to ensure smooth integration Provide technical training and knowledge transfer to customer teams Work closely with Scale's product and engineering teams to translate customer needs into product improvements Document technical architectures, integration patterns, and best practices Problem Solving & Innovation Debug complex technical issues across the entire stack, from data pipelines to model outputs Rapidly prototype solutions to unblock customers and prove out new use cases Stay current on the latest AI/ML research and tools, bringing innovative approaches to customer problems Identify opportunities for productization based on common customer patterns Required Qualifications 4+ years of software engineering experience with strong fundamentals in data structures, algorithms, and system design Production Python expertise with experience in modern ML/AI frameworks (e.g., LangChain, LlamaIndex, HuggingFace, OpenAI API) Experience with cloud platforms (AWS, GCP, or Azure) and modern data infrastructure Strong problem‑solving skills with the ability to navigate ambiguous requirements and rapidly iterate toward solutions Excellent communication skills with the ability to explain complex technical concepts to both technical and non-technical audiences Preferred Qualifications Agent Development Wiz Deep understanding of LLMs including prompting techniques, embeddings, and RAG architectures Experience building and deploying AI agents or autonomous systems in production Knowledge of vector databases and semantic search systems Contributions to open‑source AI/ML projects Infrastructure Guru Experience with containerization (Docker, Kubernetes) and CI/CD pipelines Experience using Terraform, Bicep, or other Infrastructure as Code (IaC) tools Previous work in a devops, platform, or infra role Familiarity with enterprise security, compliance, and governance requirements (SOC 2, GDPR, HIPAA) Customer Product Whisperer Proven ability to work with customers in a technical consulting, solutions engineering, or product engineering role Domain expertise in verticals like finance, healthcare, government, or manufacturing Experience with technical enablement or teaching programs Sample Projects The following are some examples of the types of projects we've worked on with customers. All of these projects leverage customer data, integrate directly into customers' existing systems, and are deployed on their infrastructure. Deep Research for Due Diligence For a global professional services firm, we developed a sophisticated deep research agent to assist in due diligence. This agent employs a multi‑agent architecture for robust fact‑checking, integrates several internal MCP tools, and processes complex, unstructured data sources. This solution reliably saves employees hundreds of hours weekly. Churn Prediction Working with a TelCo organization, we built a model utilizing customer data to predict churn likelihood. The system then curates personalized offers based on this prediction. This model was integrated into a "next best action" copilot, enabling call center agents to proactively surface relevant offers to customers, leading to a significant reduction in churn. Data Extraction Voice Agent We partnered with a healthcare organization to create a lifelike voice agent and avatar designed to gather unstructured health information from patients. Engineered for low latency, the agent adeptly manages conversational flow, adheres to safety guardrails, and efficiently handles data extraction. This automation saves the organization's nurses hundreds of hours each week. Compensation Compensation packages at Scale for eligible roles include base salary, equity, and benefits. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job‑related skills, experience, qualifications, interview performance, and relevant education or training. Scale employees in eligible roles are also granted equity‑based compensation, subject to Board of Director approval. Your recruiter can share more about the specific salary range for your preferred location during the hiring process, and confirm whether the hired role will be eligible for equity grant. You'll also receive benefits including, but not limited to: comprehensive health, dental and vision coverage, retirement benefits, a learning and development stipend, and generous PTO. Additionally, this role may be eligible for additional benefits such as a commuter stipend. Pay transparency: The base salary range for this full‑time position in the locations of San Francisco, New York, Seattle is $216,000—$270,000 USD. Important Policy Note Please note: Our policy requires a 90‑day waiting period before reconsidering candidates for the same role. This allows us to ensure a fair and thorough evaluation of all applicants. About Us At Scale, our mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high‑quality data and full‑stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. We work closely with industry leaders like Meta, Ernst & Young, Mayo Clinic, Time Inc., the Government of Qatar, and U.S. government agencies including the Army and Air Force. We are expanding our team to accelerate the development of AI applications. We believe that everyone should be able to bring their whole selves to work, which is why we are proud to be an inclusive and equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability status, gender identity or Veteran status. We are committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at View email address on click.appcast.io. Please see the United States Department of Labor's Know Your Rights poster for additional information. We comply with the United States Department of Labor's Pay Transparency provision. We collect, retain and use personal data for our professional business purposes, including notifying you of job opportunities that may be of interest and sharing with our affiliates. We limit the personal data we collect to that which we believe is appropriate and necessary to manage applicants' needs, provide our services, and comply with applicable laws. Any information we collect in connection with your application will be treated in accordance with our internal policies and programs designed to protect personal data. Please see our privacy policy for additional information. #J-18808-Ljbffr Scale AI, Inc.
$140k - $200k
...intelligence to see how AI represents them and the Agents to act on it. Today, ~13% of the Fortune 500, plus... ...want to do the best work of your career at the frontier of AI, come build it with us. As an Agent Engineer, you will work directly with customers who have already...SuggestedFull timeWork at officeShift work- ...collaborating with leading AI labs to improve frontier models’ ability to reason over Axiom’s data inside Axiom’s agent harness. This creates a compounding loop: deeper... ...the debugging tooling to make sense of it Engineer the context: memory, compaction, retrieval, and...Suggested
$120k - $200k
...building emotionally intelligent voice agents that can listen, reason, and respond with... ...Role As a Voice Agent Designer / Prompt Engineer , you will lead the design, testing, and... ...space where every experiment pushes the frontier of voice AI. Confidentiality Statement:...SuggestedFull timeImmediate startAfternoon shift- Perplexity is looking for an experienced software engineer to join their Capabilities team in San Francisco. This role focuses on transforming frontier AI breakthroughs into user-facing products, requiring strong full-stack engineering and product judgment. The ideal candidate...Suggested
- About the Team The Agent Post-Training team creates the frontier agents OpenAI ships to the world. We are training the models behind our agents in Codex... ...is the role for you. You will work with researchers, engineers, product teams, infrastructure teams, and safety/...Suggested
- About the Team The Agent Post‑Training team creates the frontier agents the company ships to the world. We are training the models behind our agents in... ...is the role for you. You will work with researchers, engineers, product teams, infrastructure teams, and safety/alignment...
- AI Systems Engineer - Codex Core Agents Location San Francisco Employment Type Full time Department Applied AI Compensation 230K-385K Offers... ...the harness trainable, measurable, and useful for improving frontier agentic models. Build shared primitives that make Codex...Full timeWork at officeLocal areaRelocation packageFlexible hours
- ...problems. We’re training and deploying frontier models for enterprises building AI systems... .... Cohere is a team of researchers, engineers, designers, and more, all passionate about... ...providing a trusted platform that connects AI agents with workplace tools and applications....Work at officeLocal areaRemote workHome officeFlexible hours
- AI Systems Engineer - Codex Core Agents About the team: The Codex Core Agents team builds the agent harness that turns model capability into real... ...the harness trainable, measurable, and useful for improving frontier agentic models. Build shared primitives that make Codex...
- ...LLC, located in San Francisco, is looking for a member of the Agent Post-Training team. This role focuses on training models to navigate... ...generation of agents. You will work alongside researchers and engineers to design experiments, enhance model capabilities, and ensure...
- Firebender in San Francisco is looking for a dedicated engineer to build innovative coding agents and manage infrastructure to enhance coding productivity. Candidates should be prepared for intense challenges as they strive to tackle complex coding tasks. Ideal applicants...
- Harrison Clarke seeks an exceptional LLM Infrastructure Engineer in San Francisco to design and scale systems for autonomous AI agents. You'll develop scalable agent execution runtimes, work on orchestration systems for multi-agent workflows, and optimize LLM deployments...
- ...Francisco seeks an AI technical staff member to build superhuman web agents. Responsibilities include optimizing multimodal LLM performance, scaling infrastructure, and collaborating with product engineers. Ideal candidates have experience with ML infrastructure and...Visa sponsorship
$120k - $140k
A leading technology firm in San Francisco is looking for a Solutions Architect to drive enterprise customer success in voice AI. You will leverage your expertise in solutions architecture, API integrations, and technical consulting to translate business goals into scalable...Flexible hours$120k - $140k
...time Location Type On-site Department Sales & Marketing Solutions Engineers Compensation Base Salary + Equity $120K - $140K • Offers Equity... .... We’re the most configurable platform for deploying voice agents. We’re grown to 400,000 developers in 20 months, adding 2,000+...Full timeFlexible hoursShift work$150k - $220k
Optimized builds AI agents that run inside the most critical supply chains in the world, from the factory floor to the procurement teams... ...only as good as the decisions it makes, and we need a founding engineer to own that intelligence. As a Founding Agent Engineer, you'll...- General Catalyst-backed startup seeks a Founding Engineer to build core primitives enabling AI agents to communicate and operate autonomously. You will design high-throughput email infrastructure and low-latency APIs bridging AI capabilities with foundational messaging...
- Giga is hiring an Agent Engineer to join the San Francisco team. You will act as the technical interface between Giga and customers, building and deploying sophisticated real-time AI agents that scale across enterprise environments. Responsibilities include running discovery...
- You'll build the AI agents at the heart of Levenza. They take action on someone's behalf instead of waiting to be asked, automating the administrative work enterprises run on, starting with scheduling. The hard part is making them dependable. Memory, context, evals, and...
$213k - $263k
...developer to revolutionize autonomous driving technology through AI-powered tools. The role involves designing frameworks to enhance engineering workflows, driving the adoption of novel DevAI tools, and collaborating across teams. Candidates should have at least 5 years of...Full time- A cybersecurity technology company in San Francisco seeks an Agent Engineer to design, build, and deploy mission-critical AI agents. You will work directly with customers to adapt our platform and solve complex challenges, owning projects end-to-end. Ideal candidates will...
- A leading conversational AI platform in San Francisco is seeking a Senior Software Engineer to design and build systems that enhance agent operations. The ideal candidate has over 5 years of experience in building production systems, proficiency in Python or Typescript,...
- We’re looking for Agent Engineers to build systems that generate, test, monitor interfaces at scale. This team enables the creation of hundreds of thousands of on-brand, production-ready experiences (Web and beyond) with strong automated QA loops and continuous monitoring...Work at officeFlexible hours
$350k
Mirendil is looking for engineers to build infrastructure for frontier reasoning models at their San Francisco location. This role focuses on large-scale reinforcement learning (RL) model training and requires a solid understanding of engineering principles. The ideal...- Dimensional Inc. in San Francisco is looking for an LLM Engineer to develop intelligent agent systems that interface with robotic platforms. This role demands a strong engineering background, with a focus on delivering production-level code and multimodal architectures....
- What You’ll Do Build agent planners, tool-call flows, and structured state machines using LangGraph or similar frameworks Design schemas... ...production, not just prototypes Work on complex, high-impact engineering workflows with real constraints High ownership and influence...
- ...and power users to refine model behaviors in real workflows. This position entails a high level of collaboration across research, engineering, and product teams, providing the opportunity for significant impact in the future of AI. A strong background in machine learning...
- A tech recruiting firm in San Francisco is seeking a candidate to build robust agent systems using cutting-edge frameworks. The role involves designing workflows with complex logic and rigorous validation while having a significant influence within a technical environment...
$252k - $315k
Scale AI, Inc. is seeking a Staff Frontier Agents Engineer to act as the technical bridge between our advanced AI capabilities and strategic customers. This hands-on, technical role involves customer engagement, designing AI solutions, and ensuring successful deployment...- Gravity Engineering Services Pvt Ltd. is looking for an Engineering Manager to lead our Agent team in San Francisco. This role will focus on building an innovative Agentic Video Editor and managing a team of engineers. You’ll partner closely with product, design, and AI...
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