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Senior AI Engineer: Scalable Backend & AI Agents (Boston)

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67% 1 of 2 skills

aipython

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152 000 – 228 000 $

Location: Boston, United States
Region: North America
Grade: Senior
Experience: 5+ yrs
Category: AI Engineering
Country
Relocation: Not supported
Company: Product
Domains: AI

whatjobs Posted Aug 1, 2026

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Summary

Senior AI Engineer builds scalable backend systems and distributed architectures in Python to power AI solutions at a Boston-based tech company.

A leading tech company in Boston is seeking an experienced Sr. AI Engineer to design and build scalable backend systems powering AI solutions. The ideal candidate has 5–7 years of experience with a strong focus on backend systems and distributed architectures, proficiency in Python, and familiarity with big data tools. This role offers competitive compensation of $152,000 — $228,000 annually and a comprehensive benefits package.
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Klaviyo Inc.

2 weeks ago

Senior AI Engineer: Scalable Backend & AI Agents

North AmericaSenior

Senior AI Engineer at Klaviyo in Boston builds and scales backend systems that power AI solutions, using Python and distributed architectures.

Senior Backend Engineer, AI Agent Platform

HybridNorth AmericaSenior

Senior Backend Engineer at Klaviyo in Boston builds and scales systems that power AI solutions for 167K+ customers, collaborating with product and data science teams.

aigenerative-aiklaviyo

Senior AI Engineer - Customer Agent

Open 58d North AmericaSenior H-1B sponsor history USCIS — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

Senior AI Engineer at Klaviyo builds and scales backend systems for AI-driven customer agent products, leveraging Python, FastAPI, and AWS to power marketing automation for 167K+ clients.

agentic-aiaiapiawsci-cd +19 skills

Senior Backend Engineer, AI Agent Platform

HybridNorth AmericaSenior

Designs and scales backend systems for AI solutions, focusing on generative AI and ML projects in a hybrid work environment.

aigenerative-aiklaviyomachine-learning

Senior AI Software Engineer – Flows Backend

North AmericaSenior H-1B sponsor history USCIS — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

Senior AI Software Engineer at Klaviyo in Boston builds and designs scalable full-stack AI systems for the Flows backend, owning projects end-to-end.

Senior Software Engineer, Agent Platform

Senior Software Engineer designs and scales backend systems for AI-driven marketing agents at Klaviyo, working with Python, distributed systems, and tools like LangChain and vLLM.

agentic-aiaiapiawscloud +18 skills

148 000 – 222 000 $

65% · 15/23 skills