Langsmith jobs in boston, ma

Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)

Boston, Massachusetts

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Today

About Us At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we're at a stage

Full-time

USD 170,000.00 - 235,000.00 per year

Senior Fullstack Engineer, AI Observability & Evals Platform

Boston, Massachusetts

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Today

Full-time

USD 175,000.00 - 240,000.00 per year

Senior Frontend Engineer, AI Observabilty Platform

Boston, Massachusetts

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Today

Full-time

USD 170,000.00 - 235,000.00 per year

Software Engineering Manager, AI Observability & Evals Platform

Boston, Massachusetts

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Today

Full-time

USD 220,000.00 - 270,000.00 per year

Sr. Staff Software Engineer - Agentic AI Products

Remote

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9d ago

The Sr. Staff Software Engineer - AI Agents will be the primary architect and technical lead for the team building all AI agents across the ecosystem. Acting as a hands-on leader and Technical Lead, you will be responsible for the team's overall delivery, translating complex product requirements into actionable technical tasks for a small squad. You will design and build high-stakes agentic architectures that power our multi-sided marketplaceincluding buyer and seller-side agents, platform onboa

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Full-time

150,000 - 180,000

AI Architect

Remote

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7d ago

AI Architect Full TIme Role - No Visa Sponsorship Role Summary We are looking for a senior, hands-on AI Architect to design, build and govern production-grade Generative AI solutions for enterprise clients. You will combine deep data and application architecture expertise with practical LLM engineering: RAG, vector search, agentic patterns and multi-model strategy across Anthropic, OpenAI and Gemini. You will own solutions end to end, from target-state architecture and ARB approval through secur

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Contract

Depends on Experience

AI Solution/Principal Engineer

Remote

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Today

We are looking for an AI Solution/Principal Engineer to join a team building a sovereign, multi-tenant agentic AI platform along with the applied products on top of it. Everything ships under strict data residency constraints and works in Arabic and English. Our squads are small and senior, and we need someone who owns how the organization knows its AI systems work - evaluation across assistants, retrieval pipelines, agent workflows, voice and document systems, and the infrastructure that turns

Full-time

ML Palantir Data/FDE Engineer

Remote

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Today

ML Palantir Data/FDE EngineerIntroduction:Data/FDE engineer who builds pipelines, models, and LLM layers on an enterprise platform. This role involves being a Forward Deployed Engineer embedded in the business, responsible for finding the problem, designing the system, writing the code, putting it in front of users, and proving its value in numbers. Responsibilities:Build flexible solutions to various problems such as apps, algorithms, AI agents, or new systemsUtilize Palantir Foundry/AIP experi

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Full-time

100,000 - 200,000

Senior AI Engineer with RAG and Agentic architectures

Remote

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Today

We're seeking a Senior AI Engineer to architect and ship LLM-powered applications and agentic systems that address genuine challenges for our users and teams. Your work will span the entire applied-AI stack - from retrieval-augmented generation (RAG) pipelines and prompt design to multi-step agents that reason, leverage tools, and automate end-to-end workflows. This position is for a senior builder. You'll drive complex use cases from ambiguous problems through to production: selecting appropria

Full-time

Forward Deployed Engineer/Chief Role

Remote

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Today

We are building AI-native solutions for our clients - products where LLM and its harness are the core of the value. This is a builder's role: you and your team are responsible for building agentic systems, writing the production code, and standing up the evals and observability. You will work closely with SMEs and end-users to understand where the real value lies, and you design the feedback loops. Responsibilities Design, build and ship AI-native systems E2E - agents, workflows, RAG and the har

Full-time

Senior AI/LLM Engineer

Remote

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Today

Company Background Censys' mission is to be the one place to understand everything on the internet. Frustrated by the lack of trustworthy Internet intelligence, we set out to create the industry's most comprehensive, accurate, and up-to-date map of the Internet. Today, Censys delivers real-time Internet intelligence and actionable threat insights to global governments, over 50% of the Fortune 500, and leading threat intelligence providers worldwide. At Censys, we're on a mission to provide bes

Full-time

USD 179,000.00 per year

Lead Python AI Engineer

Remote or New York, New York

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Today

We are looking for a Lead Python AI Engineer to build robust, AI-powered API services and agentic workflows. In this role, you will bridge the gap between traditional backend systems and modern language models, focusing on secure and scalable LLM interactions with internal systems, vector databases, and external tools via orchestration frameworks. We treat LLMs not as magic, but as components in a secure, scalable distributed system. If you take pride in API reliability, graceful failure handlin

Full-time

Lead Python AI Engineer

Remote

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Today

Full-time

Senior AI Engineer

Remote

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Today

We are looking for a skilled, innovation-driven Senior AI Engineer to join our team and spearhead the development of cutting-edge Generative AI solutions. If you're passionate about artificial intelligence and adept at building systems that deliver measurable business impact, this opportunity is ideal for you. You will work with a dynamic group of professionals to create and deploy AI-driven technologies that tackle real-world challenges - all within a highly collaborative, supportive, and forwa

Full-time

Sr. AI/ML Engineer- Remote or Eden Prairie, MN

Remote or Eden Prairie, Minnesota

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Today

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op

Full-time

USD 120,100.00 - 214,500.00 per year

Engineering Manager - AI Platform

Remote or Ontario, California

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Today

Salary: Depends on Qualifications Location : Toronto, Ontario, Canada Job Type: Full-Time Remote Employment: Remote Optional Job Number: 00949.1 Department: R&D Ops Division: General Opening Date: 10/06/2026 About This role is remote from anywhere in the US or Canada. For over 25 years, NEOGOV has been at the forefront of public-sector innovation, building technology that helps government and education organizations work smarter, move faster, and better serve their communities. We are a team of

Full-time

Senior Software Test Engineer

Remote or Austin, Texas

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Today

About Curative Curative is building the future of health insurance with a first-of-its-kind employer-based plan designed to remove financial barriers and make care truly accessible: one monthly premium with $0 copays and $0 deductibles*. Backed by our recent $150M in Series B funding and valuation at $1.275B, Curative is scaling rapidly and investing in AI-powered service, deeper member engagement, and a smart network designed for today's workforce. Our north star guides everything we do: heal

Full-time

USD 165,000.00 per year

Software Engineer Principal

Remote

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Today

Job ID: 2618018 Location: Remote Work, VA, US Date Posted: 2026-10-15 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_REMOTE Description About SAIC Science Applications International Corporation (SAIC) is a premier technology integrator delivering solutions across defense, space, civilian, and intelligence markets. O

Full-time

USD 120,001.00 - 160,000.00 per year

Staff Engineer / AI Builder

Remote

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Today

We're looking for a Staff AI Builder to lead the design and delivery of AI/ML systems. This role is ideal for an experienced engineer who thrives on architectural decisions, can confidently own systems end-to-end, and contributes to technical leadership across the team. In this role, you will work as a key technical leader on a cross-functional team, defining AI architecture, leading model development and optimization, and solving challenging integration problems. You'll be joining real, in-flig

Full-time

USD 176,612.00 - 243,680.00 per year

Staff AI Architect

Boston, Massachusetts

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Today

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are loo

Full-time

USD 191,200.00 - 239,000.00 per year

Langsmith jobs in Boston, MA, USA