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Agent Engineer Jobs in Massachusetts (NOW HIRING)

Klaviyo

Senior Software Engineer, Customer Agent

Boston, MA

$133K - $175K/yr

About the Role Our team is looking for a Senior Full Stack Engineer to help build the future of Customer Agent, Klaviyo's AI-native conversational platform. In this role, you'll play a critical part ...

Klaviyo

Senior AI Engineer - Customer Agent

Boston, MA · On-site

$113K - $155K/yr

Our team is looking for a Sr. AI Engineer on the Customer Agent team, Klaviyo's AI-native conversational platform. You'll play a key role in designing and building scalable backend systems and user ...

Salas O'Brien, Inc.

MEP Commissioning Agent

Boston, MA · On-site

$135K/yr

MEP Commissioning Agent About Salas O'Brien/RFS Engineering: Founded in 1975, Salas O'Brien is 5,000 person employee-owned engineering and professional services firm focused on achieving impact for ...

IANS

Agentic Engineer

Boston, MA · On-site

$135K - $170K/yr

We are seeking an Agentic Engineer to build and ship the agent capabilities at the heart of IANS' agentic AI platform. This is a hands-on builder's role: working within the platform architecture set ...

Klaviyo

Senior Software Engineer - Customer Agent

Boston, MA · On-site

$133K - $175K/yr

About the Role Our team is looking for a Senior Full Stack Engineer to help build the future of Customer Agent, Klaviyo's AI-native conversational platform. In this role, you'll play a critical part ...

IANS

Agentic Engineer

Boston, MA · On-site

$135K - $170K/yr

We are seeking an Agentic Engineer to build and ship the agent capabilities at the heart of IANS' agentic AI platform. This is a hands-on builder's role: working within the platform architecture set ...

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Showing results 21-40

All JobsAgent Engineer JobsAgent Engineer Jobs in Massachusetts

Agent Engineer information

See Massachusetts salary details

$5

$18

$27

How much do agent engineer jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for agent engineer in Massachusetts is $18.73, according to ZipRecruiter salary data. Most workers in this role earn between $15.77 and $21.01 per hour, depending on experience, location, and employer.

What is the difference between Agent Engineer vs Network Engineer?

AspectAgent EngineerNetwork Engineer
Required CredentialsBachelor's in Computer Science or related, certifications like CCNA, CompTIA Network+Bachelor's in Computer Science, Information Technology, or related, certifications like CCNA, CCNP
Work EnvironmentDeveloping, testing, and maintaining agent software, often in software development teamsDesigning, implementing, and managing network infrastructure, often in IT or telecom environments
Employer & Industry UsageTech companies, software firms, cloud service providersTelecom, IT services, large enterprises with complex networks

Agent Engineers focus on developing and maintaining software agents that facilitate automation and communication within systems, while Network Engineers design and manage network infrastructure. Both roles require technical certifications and often work in tech-driven environments, but their core responsibilities differ significantly.

What cities in Massachusetts are hiring for Agent Engineer jobs?

Cities in Massachusetts with the most Agent Engineer job openings:

Agent Engineer jobs near you
Infographic showing various Agent Engineer job openings in Massachusetts as of August 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Contract. Highlights an 83% Physical, 1% Hybrid, and 16% Remote job distribution, with an average salary of $38,950 per year, or $18.7 per hour.

Sr. Lead Engineer, Applied AI (Customer Agent)

Klaviyo

Boston, MA • On-site

Full-time

Re-posted 6 days ago

Job description

Senior Lead Engineer, Applied AI (Customer Agent)About the Team:

Our Engineering team builds the AI systems that power how brands run their businesses on Klaviyo. We move fast, ship in production, and hold a high bar for what "AI-native" actually means: systems that make real judgment calls, not demos.

The Customer Agent team is one of the newest and most ambitious groups in that org, based in Boston and working in-office: we're building a conversational AI system that lets brands serve their own customers at a scale no human support team could match. We're still small enough that a single senior engineer can shape how the whole platform evolves. We're past the demo stage: the team ships changes against live customer traffic, measures quality with real evaluation frameworks, and treats reliability as a product feature, not an afterthought.

About the Role:

As Senior Lead Engineer, you'll set technical and product direction for Customer Agent end to end, building a 0-to-1 agentic product with the speed and ownership of a startup, backed by the scale and resources of one of the most innovative tech companies on the East Coast, while staying hands-on with the hardest problems yourself. This is a principal-caliber individual contributor role: we're looking for an engineer who has personally architected, built, scaled, and supported a production agentic system through everything that comes after the demo, and who acts as a force multiplier across the org through the strength of their technical judgment.

How You'll Make an Impact:
  • Set the technical and product direction for Customer Agent's core platform, from architecture through production.
  • Take on the platform's hardest technical problems personally: orchestration, evaluation, guardrails, memory & context, self-healing/improving and failure handling for non-deterministic systems.
  • Write and ship code, review designs, and make the calls other engineers can't make alone.
  • Build architecture and frameworks that other engineers and teams adopt, and mentor through design reviews rather than direct management.
  • Partner with product, design, data science, and go-to-market leaders to shape the roadmap, not just execute against it.
  • Evaluate emerging AI technologies and bring the ones worth betting on into production.
What We're Looking For:
  • You've architected, built, scaled, and supported a production agentic system end to end, not just prototyped one: real orchestration, evals, guardrails, and non-deterministic failure handling. You've owned it through launch, scale, incidents, and the years of operational reality after the demo.
  • You've learned the hard lessons that only come from running agents in production: securing them against misuse and abuse, and the operational scar tissue of keeping a non-deterministic system reliable as usage grows.
  • You've set technical and product direction for an entire product area before, not just your own component, and you can point to something you designed and championed that shipped and that other teams built on.
  • You've stayed hands-on through all of it: still writing code, reviewing your own architecture decisions, and debugging production issues yourself, not delegating the hardest problems away.
  • Your past architecture and frameworks got reused by other teams, and you've unblocked multiple teams at once, not just your own.
  • You communicate complex technical trade-offs clearly across engineering, product, and executive audiences, and you can turn an undefined problem into a plan others rally behind.
Nice to Haves:
  • Experience running a multi-tenant agent platform at production scale, where external customers configure their own agent behavior on shared infrastructure.
  • Experience building 0-to-1 products or working in startup environments.
  • A track record with production evaluation systems, AI observability, or human-in-the-loop workflows for LLM-powered products.

Boston, MA - In-Office Role

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