Senior Developer, AI

ACCO Engineered Systems · Pasadena · $133,000–$171,500 (stated in the posting)

Job Summary:

The Senior AI Developer role will lead the architecture, technical design, and deployment of enterprise Artificial Intelligence solutions across ACCO’s digital infrastructure. The position designs Retrieval-Augmented Generation (RAG) pipelines, agentic workflows, custom LLM integrations, and intelligent system automation across our Azure and Google Cloud ecosystem. Working closely with our Applications Architect, the Senior AI Developer will establish standards for LLMOps, vector search, model evaluation, and secure AI engineering to drive innovation while maintaining rigorous data privacy and cybersecurity standards.

Essential Duties and Responsibilities:

Drive hands-on software development by writing clean, maintainable, and secure code across the entire Design, build, and deploy production-grade AI solutions, AI agents, and Retrieval-Augmented Generation (RAG)
pipelines using enterprise data sources.
Partner with the Applications Architect to turn business requirements into secure, scalable AI microservices
within Azure and Google Cloud and .NET backend applications.
Establish and enforce standards for LLMOps, including model evaluation, output validation, hallucination
mitigation, latency reduction, and cost optimization.
mplement robust AI security measures, prompt guardrails, and data privacy protocols to protect proprietary
business intelligence and ensure regulatory compliance.
Develop and maintain automated data preparation, chunking, and embedding pipelines for structured and
unstructured business data.
Evaluate, benchmark, and integrate emerging open-source and foundation models (Gemini, OpenAI, Claude,
Llama) and orchestration frameworks.
Conduct architectural reviews, code reviews, and workshops to educate and upskill team members on AI
integration design patterns.
Monitor runtime performance, usage metrics, and accuracy of deployed AI agents and models, implementing
continuous improvement loops.
Perform other duties as assigned.

Position Requirements (Work Experience, Skills, Licenses, etc.):

5+ years of professional software engineering experience, with at least 2+ years dedicated to building, integrating, or deploying LLMs, vector search, or AI pipelines in production environments.
Deep technical proficiency in Python for AI/ML development, alongside working knowledge of C# and .NET Core architectures.
Hands-on experience with vector databases and semantic search technologies
Strong expertise with LLM orchestration frameworks (e.g., Semantic Kernel, LangChain, LlamaIndex, AutoGen).
Proven track record deploying, scaling, and managing AI endpoints within the Azure and Google Cloud ecosystem.
Deep understanding of AI security risks (OWASP Top 10 for LLMs, prompt injection, data leakage) and enterprise encryption/privacy standards.
Ability to work onsite from the Pasadena corporate office four days a week.

Education and Experience:

Required:

Bachelor’s degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, or equivalent practical/industry experience.
Demonstrated experience delivering end-to-end, production-ready AI or agentic applications.

Desired:

Prior experience building technical leads or mentoring engineering teams on modern cloud and AI practices.

ACCO Competencies:

Proactivity/Initiative: Recognizes what needs to be done and accomplishes it in a manner appropriate for one’s level/position and with minimal supervision.
Perseverance: Shows wherewithal to fight for difficult goals despite challenges and to bounce back from adversity.
Motivation/Dedication: Commits to excellence in pursuing unselfish goals. Initiates action with collective goals, takes responsibility, and shows personal humility.
Technical Curiosity/Willingness to Learn: Interest in seeking out new experiences, knowledge, and candid feedback; demonstrating an openness to learning and change.
Insight: The ability to gather and make sense of information that suggests new possibilities.
Engagement: Shows a knack for using emotion and logic to communicate a persuasive vision and connect with people.
People Skills: Is approachable and gains the mutual trust and respect of others. Understands people’s strengths & weaknesses and actively seeks to understand other perspectives.
Communication: Fosters open, honest, candid and respectful communication. Effectively assesses, defines and communicates issues in a timely manner, both written and verbal.
Teamwork: The ability to effectively work toward common goals with others by supporting, encouraging, and sharing information in an authentic and approachable manner.
Big Picture: Understands and contributes to the organizations’ short- and long-term business strategy. On a personal level has independently developed a vision for short- and long-term career success.
Problem-Solver: Ability to identify, analyze, and solve problems in support of personnel, group, department, or organizational objectives.
Execution: Effectively takes a vision and translates into action by including the right people. Identify and remove barriers, when possible, to achieve results. Demonstrates appropriate compromise, effective time management, prioritization practices and holds team members (including themselves) accountable for their performance/conduct.
Professionalism: Respectfully observes and challenges the status quo with intent for improvement. Can take direction, accept feedback, and take full responsibility for their actions. Lead by example through positive influence and ethical leadership with consideration of the entire organization.

Job Responsibility Level:

No direct reports

Travel Requirements:

Travel required 10-15% of the time to other office locations, field, shops or project sites.

Hours:

This is an exempt position. Workdays are scheduled from Monday through Friday. Typically, work hours begin and end between 7:00 am and 5:00 pm as scheduled with the position's supervisor. Work outside of regular hours may occasionally be necessary to meet business needs.

Physical Demands:

(The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.)

Must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 20 pounds.
Specific vision abilities required by this job include close vision and ability to adjust focus.
Prolonged sitting.
Frequently required to reach with hands and arms.
Occasionally required to stand; walk and stoop, kneel, crouch.

Competitive Wages:

$133,000 to $171,500 Annual Salary. Applicants please note that actual compensation is determined by several factors that are unique to each candidate, including but not limited to job-related skills, depth of experience, certifications, relevant education or training, and specific work location, among others. The offered wage or salary is only one aspect of an employee's total compensation.

#ACCO
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Why join ACCO? ACCO Engineered Systems is one of the largest mechanical contractors in the country. Since 1934, owners and builders have selected ACCO to design, install, and maintain more than 250,000 mechanical projects. ACCO is dedicated to the design, fabrication, installation, maintenance and service of commercial and industrial HVAC, refrigeration, plumbing, process piping, and building automation systems. Whether your project is a low or high-rise office building, a shopping mall, hospital, semi-conductor fabrication facility or pharmaceutical manufacturing plant…ACCO can design, build, install, and maintain a mechanical system to meet your needs.

Here at ACCO, we are a part of something bigger. Just ask our customers: California Academy of Sciences, L.A. Live, and San Francisco 49ers Stadium. While we have been around for 80+ years, we continue to grow at a dynamic pace. And we are looking for talented individuals to join our team.
What's great about working at ACCO is that we’re a big enough company to be the leader in HVAC mechanical contracting in California and the Southwest U.S., but as a 100% employee-owned ESOP, we’re a private company with a family-oriented feel. Several of our employees have worked at ACCO for twenty-five, thirty, and even over forty years! Together, the employees of ACCO are comprised of intelligent, dedicated, and entrepreneurial team members who put customers first and enjoy what they do.

ACCO IS AN EQUAL OPPORTUNITY EMPLOYER AA M/F/V/D.

We proudly hire U.S. Military Veterans, and those qualified are encouraged to apply.

Equal Employment Opportunity is The Law.|Pay Transparency Nondiscrimination Provision

ACCO will consider qualified applicants with criminal histories for employment.

Notice to Outside Recruiters:
Hiring managers are not authorized to review or accept recruiting agreements from any outside recruiting agencies. Outside recruiting agencies should not submit unsolicited resumes without signing the company's recruiting agreement.

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