42 llm engineer jobs at 22 companies in Willimantic, CT
2w
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Principal Engineer- Network Engineering
Basking Ridge or Bloomington or Collegeville or Irving or Worcester or Pittsburgh or Aurora or Kent or Downers Grove or Bloomington
$107k-$205k/yr HybridFull Time
6+ YOE6+ years in technical facilities planning or related disciplines; experience with PSC design, Python automation, LLM integrations, SQL/databases, Looker/Tableau, and cloud platforms; bachelor's degree or equivalent experience.
AutoCAD, Python, AWS, Azure, Kubernetes, Git, SVN, Looker, Tableau, PostgreSQL, pgvector, Oracle, SQL Server, Hadoop, REST, GraphQL, Anthropic Claude, GPT-4, Gemini, Microsoft Teams, dcTrack, Canvas, Clarity, vSAP, ERP-SAP Portal, COEP, 1ERP, NSAP, 1PSC-UNO, NPP, DRAAS, CCP
2mo
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Sr Data Engineer- Data Platform & AI Enablement
Johnston or United States
OnsiteFull Time
6+ YOE6+ years data engineering experience; hands-on with streaming (Apache Spark, Beam, Flink) and Kafka; Java/Scala/Python; strong SQL; experience with Redshift, PostgreSQL, Snowflake, MongoDB; CI/CD (Bitbucket/Git); AWS/Azure; AI/GenAI/LLM pipelines.
Apache Spark, Beam, Flink, Apache Kafka, Java, Scala, Python, SQL, Redshift, PostgreSQL, Snowflake, MongoDB, Bitbucket, Git, Talend, DataStage, Java Spring Boot, React, TypeScript, Angular, AWS, Azure
2mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
7+ YOE7+ years software development experience with 3+ years in a senior/lead capacity. Strong experience with Microsoft .NET 10, C#, React, TypeScript, Azure, PostgreSQL, cloud-native architectures, CI/CD, and AI/LLM integrations. Bachelor's required.
Microsoft .NET 10, C#, React, TypeScript, Entity Framework Core, PostgreSQL, CosmosDB, Microsoft Azure OpenAI Services, Microsoft Azure Functions, Microsoft Azure App Services, Microsoft Azure Service Bus, Microsoft Azure Key Vault, Microsoft Azure AI Search, Microsoft Azure DevOps, GitHub Actions, LangChain, Semantic Kernel, Docker, Kubernetes, Tailwind CSS, Redux, Zustand
1mo
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AI Principal Engineer
Boston or Hartford or Missouri
$192k-$240k/yr OnsiteFull Time
Bachelor's in CS/Engineering/Math required (advanced degree preferred). Significant experience delivering production AI/ML systems, proficiency with Python/TypeScript/Rust, LLM and MLOps knowledge, model lifecycle and MLOps practices, and leadership of technical initiatives.
Python, TypeScript, Rust, LLM, MLOps
1w
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Mainframe Developer
Hartford, Connecticut, United States
$140k-$166k/yr HybridFull Time
15+ YOE5+ Mgmt15+ years in software architecture with 5+ years leading mainframe modernization; deep legacy/mainframe and cloud architecture experience; GenAI and leadership skills; Java, API, Angular, AWS expertise.
COBOL, JCL, CICS, VSAM, DB2, Java, Spring Boot, Spring Cloud, REST, GraphQL, Angular, AWS, Docker, Kubernetes, ECS, EKS, Terraform, CloudFormation, Claude, LLM, CI/CD
6d
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Software Engineer II - Enterprise AI Products
Hartford or Saint Paul
$120k-$199k/yr OnsiteFull Time
4+ YOEBachelor's in CS or related STEM and 4+ years software engineering; proficiency in Python, cloud (AWS/Azure), Kubernetes, CI/CD, REST APIs, LLM/AI integrations; strong communication and problem solving.
Python, JavaScript, TypeScript, Java, AWS, Azure, Kubernetes, RESTful APIs, Jenkins, GitHub Actions, Terraform, MongoDB, Temporal, MCP, LLM, Git, RAG
1mo
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Senior Applied AI Engineer
Holyoke, Massachusetts, United States
$141k-$171k/yr HybridFull Time
3+ YOEMaster's in EE/CS (PhD preferred); 3+ years power systems experience; 3+ years deploying AI/ML in production; cloud (AWS, Azure, GCP) experience; Python and software engineering skills; MLOps and agent/LLM familiarity.
Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Python, PSS®E, PSCAD, PowerWorld, DSATools, MLOps, CI/CD, RAG, LLM
1mo
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AI Engineer
Springfield or New York City or Boston
$141k-$185k/yr HybridFull Time
4+ YOE4+ years in data science/AI engineering with production ML/LLM experience, Python and SQL proficiency, ability to build and evaluate AI solutions, and a Bachelor’s in a quantitative field (Master’s preferred).
LLMs, Bedrock AgentCore, AWS Strands, Azure, MCP/A2A protocols, Python, SQL, vector databases, Degreed
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Lead AI Security Engineer
Johnston, Rhode Island, United States
$121k-$173k/yr HybridFull Time
7+ YOE7+ years in IT or cybersecurity (including 5+ years in security engineering); hands-on security engineering for cloud, APIs, identity, data protection and monitoring; practical AI/LLM security knowledge; experience defining security requirements and frameworks.
Microsoft Copilot, Claude, Azure AI Foundry, Azure, NIST Risk Management Framework, MITRE ATLAS, OWASP Top 10, OWASP guidance for large language model applications
1mo
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Agentic AI Developer
Bloomfield or Raleigh or Lafayette
$81k-$194k/yr HybridFull Time
5+ YOE5+ years software engineering experience; deep hands-on expertise in Python, LLMs, prompt engineering, LangChain/LangGraph/LangSmith, RAG, embeddings, vector retrieval, agentic architectures; bachelor's degree in CS or related.
Python, LangChain, LangGraph, LangSmith, OpenAI, Azure OpenAI, SQL, Databricks, Anaconda
1mo
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Staff Software Engineer - Hybrid
Charlotte or Columbus or Hartford
$116k-$174k/yr HybridFull Time
6+ YOE6+ years software engineering experience, Bachelor's degree or equivalent, US work authorization, hands-on Generative/Agentic AI and LLM experience, proficiency in Python and/or Java, AWS and Terraform experience, Angular and CI/CD familiarity.
LangChain, LangGraph, CrewAI, AutoGen, Python, Java, Amazon Web Services (AWS), Lambda, DynamoDB, S3, SQS, SNS, API Gateway, ALB, Step Functions, IAM, Angular, Terraform, Jenkins, GitHub Actions, Guidewire ClaimCenter, FastAPI, Flask, Spring Boot, Docker, ECS, EKS, CloudWatch, Datadog, Splunk, pytest, JUnit, Karate, vector databases, RAG
2w
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Mainframe Developer
Hartford, Connecticut, United States
HybridFull Time
15+ YOE15+ years software architecture experience with 5+ years leading mainframe modernization; deep mainframe and Java/AWS/GenAI expertise; strong leadership, reverse-engineering, and stakeholder management skills.
COBOL, JCL, CICS, VSAM, DB2, copybooks, Java, Spring Boot, Spring Cloud, REST, GraphQL, Angular, AWS, Claude, LLM, Docker, Kubernetes, ECS, EKS, Terraform, CloudFormation
1w
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Founding Software Engineer - AI & Operations (Full-Stack)
Wallingford, Connecticut, United States
OnsiteFull Time
3+ YOE3+ years engineering experience with ownership of a production system; strong full‑stack fundamentals, SQL, LLM API production integrations, OCR/document extraction, and self-directed problem solving.
OpenAI, Anthropic, OCR, MaintainX, Claude Code, Copilot, SQL
2mo
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Staff Software Engineer - Hybrid
Charlotte or Hartford or Columbus
$116k-$174k/yr HybridFull Time
6+ YOE6+ years software engineering experience, Bachelor's in CS or related (or equivalent), authorized to work in US without sponsorship, hands-on Generative/Agentic AI and LLM experience, Python and/or Java, AWS services, Angular, Terraform, CI/CD (Jenkins/GitHub Actions), strong design and leadership skills.
Large language models (LLMs), Retrieval-augmented generation (RAG), LangChain, LangGraph, CrewAI, AutoGen, Python, Java, AWS, Lambda, DynamoDB, S3, SQS, SNS, API Gateway, ALB, Step Functions, IAM, Angular, Terraform, Jenkins, GitHub Actions, Guidewire ClaimCenter, FastAPI, Flask, Spring Boot, Docker, ECS, EKS, CloudWatch, Datadog, Splunk, pytest, JUnit, Karate
4w
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Principal Engineer, Optimization
East Hartford, Connecticut, United States
$108k-$205k/yr HybridFull Time
5+ YOEPhD in Operations Research/Computer Science/Applied Math, 5+ years industrial experience, expertise in discrete optimization, mixed-integer programming, deep learning for vision, and LLM/VLM integration; proficiency with Python, MATLAB, C++, and Git.
Python, MATLAB, C++, Git, Large language models (LLMs)
9h
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SDET Automation Engineer (Hammer & Cyara)
Hartford or Wellesley
$55k-$96k/yr OnsiteFull Time
5+ YOERequires 5+ years of software engineering experience, including 3+ years in SDET or test automation; Java or Node.js, API testing, automation frameworks, CI/CD, conversational AI, and LLM evaluation experience.
Java, Node.js, JUnit, Jest, SoapUI, Postman, Bruno, Playwright, Selenium, Cucumber, Hammer, Cyara, GitHub Actions
2w
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Senior Software Development Engineer - Microservices
Hartford, Connecticut, United States
$102k-$204k/yr HybridFull Time
5+ YOE2+ Mgmt5+ years software engineering, 2+ years technical lead experience; strong Python and API framework skills; experience with microservices, GCP, Kubernetes/GKE, Docker, CI/CD, Kafka, BigQuery/BigTable/SQL; hands-on GenAI/LLM/RAG/Agentic AI and prompt engineering.
Python, FastAPI, Flask, Google Cloud Platform (GCP), Kubernetes (GKE), Docker, CI/CD, GitHub, Kafka, BigQuery, BigTable, SQL, Gemini, Vertex AI, OpenAI, Claude
1d
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AI Engineer II
Milford, Massachusetts, United States
$81k-$135k/yr OnsiteFull Time
2+ YOERequires a master's degree or equivalent practical experience, 2+ years of relevant experience, Python, OOP, machine learning, deep learning, LLMs, RAG, vector search, and agentic workflows.
Python, AWS, Microsoft Azure
1mo
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Senior Software Engineer - Enterprise AI Products
Hartford or St. Paul
$139k-$230k/yr HybridFull Time
6+ YOEBachelor's in CS or STEM required, 6+ years software engineering, production ML/AI and LLM experience, Python proficiency, cloud (AWS/Azure), Kubernetes, REST APIs, CI/CD, Terraform, MongoDB, Temporal, strong leadership and stakeholder skills.
Python, JavaScript, TypeScript, Java, AWS, Azure, Kubernetes, RESTful APIs, Jenkins, GitHub Actions, Terraform, MongoDB, Temporal, MCP server
1mo
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Application Security Engineer [Remote-US]
United States or San Francisco or Providence
$175k-$215k/yr RemoteFull Time
4+ YOEAssociate's degree (required); 4+ years software engineering experience with ≥2 years in application security; familiarity with OWASP/ASVS/MASVS, threat modeling (STRIDE/PASTA), cloud architectures, and strong communication skills.
OWASP Top 10, ASVS, MASVS, STRIDE, PASTA, LLM
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