40 llm engineer jobs at 20 companies in Ledyard, CT

2mo
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Advanced Concepts Engineer
Arlington or Mount Laurel or San Diego or Fall River
$90k-$184k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: A defense technology delivering mission-critical software and automated solutions to the U.S. government.
3+ YOEBachelor's in STEM or equivalent experience, 3-5+ years relevant experience, ability to obtain/maintain Secret clearance, experience with distributed systems, cloud deployment, Agentic AI/LLM, systems engineering, and ~10% travel.
Agentic AI, LLM, SysML, UML, C++, Python, MATLAB, DOORS, Agile
2mo
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Sr Data Engineer- Data Platform & AI Enablement
Johnston or United States
OnsiteFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
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
RCN Capital
RCN Capital: A national private lender providing financing for real estate investors.
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
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
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
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
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
1w
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Software Engineer II - Enterprise AI Products
Hartford or Saint Paul
$120k-$199k/yr OnsiteFull Time
Travelers
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
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
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Lead AI Security Engineer
Johnston, Rhode Island, United States
$121k-$173k/yr HybridFull Time
FM Global
FM Global: Providing commercial property insurance and loss prevention engineering.
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
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Agentic AI Developer
Bloomfield or Raleigh or Lafayette
$81k-$194k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
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
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Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
Atria Health Institute
Atria Health Institute: Membership-based concierge practice providing preventive, precision-based medical care.
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
2w
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Mainframe Developer
Hartford, Connecticut, United States
HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
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
United Concrete Products
United Concrete Products: Manufacturer of precast and prestressed concrete infrastructure products.
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
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
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
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
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)
15h
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SDET Automation Engineer (Hammer & Cyara)
Hartford or Wellesley
$55k-$96k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
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
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
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
1mo
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Senior Software Engineer - Enterprise AI Products
Hartford or St. Paul
$139k-$230k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
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
Quanata
Quanata: Developing risk prediction and telematics software for insurance companies.
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
2mo
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Knowledge Engineer Specialist
Houston or Milwaukee or Dallas or Columbus or Cincinnati or New York or Cleveland or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Carmel or Arlington or Atlanta or Beaverton or Nashville or Detroit or San Diego
$54k-$206k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
2+ YOEBachelor's degree or equivalent experience; minimum 2 years experience in knowledge graph technologies, schema/ontology design, or graph-based solutions; experience with data pipelines and databases; ability to lead teams and work with clients.
RDF, SPARQL, LPG, SHACL, Stardog, Neo4J, Amazon Neptune, AWS, Azure, GCP, Python, Tensorflow, PyTorch, Apache NiFi, Airflow, LLM
1mo
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US Tech - AI Engineering Senior Associate
Tampa or Raleigh or Charlotte or Chicago or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or San Jose or Seattle or Spartanburg or Albany or Stamford or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Fort Worth or Greensboro or Hartford or Houston or Grand Rapids or Indianapolis or Irvine or Jacksonville or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or United States or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Montpelier or Nashville or New Orleans or United States or New York City or Oklahoma City or Orlando or Philadelphia or Phoenix or Pittsburgh or Portland
$55k-$151k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
2+ YOEBachelor's in CS or related, 2+ years in data/AI/quality engineering, experience with test automation and CI/CD, familiarity with LLMs and prompt engineering, building automated test suites and evaluating AI agents.
CI/CD, LLMs, Microsoft Power Automate
4d
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Cloud Solutions Architect / Database Engineer / AI Platform Architect (CT , Hartford )
Hartford, Connecticut, United States
$150k-$180k/yr OnsiteFull Time
ABCO Maintenance
ABCO Maintenance: Provides commercial facility maintenance and repair services.
Highly experienced architect with expertise in cloud architecture, C#/.NET, SQL Server, REST APIs, application security, Azure or AWS, enterprise integrations, and production AI/LLM applications.
C#, .NET, SQL Server, REST, ASP.NET Core, OAuth 2.0, OpenID Connect, JWT, SSO, RBAC, SSL/TLS, CI/CD, Retrieval-Augmented Generation (RAG), OpenAI, Azure OpenAI, Anthropic, Google AI, Large Language Model (LLM)