129 api engineer jobs at 40 companies in Niantic, CT
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Circle Lead Engineer (CLE) - Personal Insurance
Hartford, Connecticut, United States
$154k-$254k/yr OnsiteFull Time
7+ YOE2+ MgmtBachelor's in CS or related STEM,7+ years software engineering,2+ years technical leadership,expertise in Python,JavaScript/TypeScript,React,AWS/CDK,Terraform,Jenkins,API development,Github,and AI/GenAI.
Python, JavaScript, TypeScript, React, AWS, CDK, Terraform, Jenkins, API Development, GitHub, AI/GenAI
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Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
3+ YOE3+ years backend/full-stack engineering with expert Python and strong TypeScript/React skills; experience building REST/GraphQL APIs, Django/DRF, Celery/Temporal, PostgreSQL, MCP protocol familiarity, and cloud (AWS/GCP).
Model Context Protocol (MCP), REST, GraphQL, Python, TypeScript, JavaScript, Django, Django REST Framework (DRF), React, React-Admin, FastAPI, Celery, Temporal, Pydantic, httpx, pytest, Node.js, PostgreSQL, Snowflake, WebSockets, SSE, OAuth2, JWT, OpenAPI, Swagger, Redoc, AWS, GCP, Lambda, Cloud Run, S3, GCS, Docker, GitHub Actions, Flowise, LangChain, Claude, Anthropic, GA4, Meta, Google
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Sr AI Machine Learning Engineer
Hartford or Charlotte or Columbus or Chicago
$117k-$176k/yr HybridFull Time
5+ YOEMaster's degree or 5+ years' equivalent experience; US work authorization required. Experience with AWS/GCP, cloud deployments, API services, CI/CD (Jenkins), IaC (CloudFormation/Terraform), Python, git, Unix, MLOps, and workflow automation (Airflow/Autosys).
MLOps, AWS, GCP, API, Jenkins, CloudFormation, Terraform, Unix, git, Python, Apache Airflow, Autosys
5d
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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
2mo
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Sr. Software Engineer (Hybrid)
Hartford or Charlotte or Short Hills
$123k-$157k/yr HybridFull Time
5+ YOE5+ years of experience designing and developing complex applications; Bachelor's preferred in CS/Engineering; strong .NET/C#, API, SQL; cloud, Azure, DevOps, and leadership skills.
C#, .NET, API development, SQL, Azure, Container Apps, API Management, App Gateway, Key Vault, App Services, Logic Apps, SQL MI, Infrastructure-as-Code, Bicep, ARM, Terraform, Angular, SAFe
1d
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AI Platform Engineer (Google Cloud Platform)
Charlotte or Columbus or Hartford
$117k-$176k/yr HybridFull Time
8+ YOEBachelor's degree in a technical field, 8+ years building enterprise software or platforms, 3+ years with Terraform, and experience with GCP, BigQuery, Cloud Functions, AI Platform, API Gateway, GKE, and Docker.
Python, Terraform, AWS, Google Cloud Platform, Microsoft Azure, BigQuery, Cloud Functions, AI Platform, API Gateway, GKE, Docker, CI/CD, LangChain, LlamaIndex, LangSmith, LangGraph, Google Agent Development Kit, HNSW, ANN, KNN
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Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
2+ YOE2–5 years software engineering experience; proficiency with JavaScript, Node.js, ReactJS, and React Native; knowledge of REST APIs, databases, OOP, and version control; strong problem-solving and collaboration skills; bachelor's degree or equivalent.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
4w
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Sr Software Engineer
Hartford or St. Paul
$139k-$230k/yr HybridFull Time
6+ YOEBachelor's in CS or STEM, 6+ years software engineering, leadership experience, cloud and API development experience, proficiency with CI/CD, observability, databases, and automated testing.
Claude, GitHub Co-Pilot, AWS (Serverless/EKS), AWS CDK, Terraform, React.js, Node.js, JavaScript, TypeScript, Python, Kafka, DB2, MySQL, PostgreSQL, MongoDB, DynamoDB, Dynatrace, ELK, OpenTelemetry, NUnit, XUnit, Moq, Jest, Cypress, Git, GitHub, CloudBees Jenkins, Jenkins Open Source, Microsoft Azure, Microsoft Azure DevOps, OAuth 2.0, OpenID Connect (OIDC), Jira, Rally
3w
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Senior Sales Engineer - Enterprise
Boston or Charlotte or Hartford or New Haven or New York or Raleigh or United States
$194k-$291k/yr HybridFull Time
5+ YOE5+ years in software pre-sales, hands-on SQL and technical skills (Python, APIs, R), track record closing enterprise deals, strong communication and business acumen.
Python, SQL, APIs, R, Google Analytics 4, Adobe Analytics, Mixpanel, Tableau, Looker, Power BI
1d
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Sr. IAM Engineer
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
7+ YOE7+ years in IAM or security engineering, deep Okta, OAuth, OIDC, SAML, SCIM, Active Directory, Entra ID, API security, scripting, CI/CD, and HRIS identity automation expertise; bachelor's degree or equivalent.
Okta, Universal Directory, Okta Workflows, SAML 2.0, OIDC, WS-Federation, SCIM 2.0, Microsoft Entra ID, Active Directory, Microsoft 365, ServiceNow, Jamf, AWS IAM Identity Center, Ceridian Dayforce, CrowdStrike Falcon Next-Gen SIEM, CrowdStrike Falcon Identity Protection, PowerShell, Python, bash, Git, Terraform, Azure Pipelines, GitHub Actions, SailPoint, Saviynt, Omada, NIST SP 800-63, NIST SP 800-207, OAuth 2.0, PKCE, OWASP API Security Top 10, Intune
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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
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Principal Software Development Engineer
Wellesley or Hartford or New York City or Arkansas or Vermont or Connecticut or Georgia or Texas or Minnesota or Michigan or Maine or Wisconsin or New York or District of Columbia or Kansas or Indiana or New Jersey or Nebraska or Rhode Island or Louisiana or Tennessee or Kentucky or Mississippi or Ohio or Oklahoma or West Virginia or Massachusetts or Maryland or South Carolina or Alabama or Missouri or Virginia or Illinois or North Carolina or Florida or New Hampshire or Delaware
$144k-$288k/yr HybridFull Time
10+ YOE10+ years software experience, 7+ years leading enterprise solution design, cloud-native microservices on GCP, Java/Python/Node.js, API design, strong communication and stakeholder skills.
Java, Python, Node.js, Angular, ReactJS, Google Cloud Platform (GCP), REST, APIs, CI/CD, SAFe
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
1d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
6+ YOEBachelor's degree in a related field and 6+ years of data engineering experience. Requires production ETL/ELT pipelines, SQL Server, data modeling, reporting, analytics, and data quality expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, SharePoint, ERP, APIs
1d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
6+ YOEBachelor’s degree in a related field and 6+ years of data engineering experience. Requires advanced Microsoft SQL Server, T-SQL, ETL/ELT, data modeling, reporting, and analytics expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, Microsoft SharePoint, ERP, APIs
1d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
6+ YOEBachelor’s degree in a related field and 6+ years of data engineering experience. Requires production ETL/ELT pipelines, SQL Server, data modeling, reporting, analytics, and complex data integration expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, Microsoft SharePoint, ERP, APIs
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr HybridFull Time
5+ YOEBachelor’s degree + 7+ years software engineering or advanced degree + 5+ years; experience designing and developing scalable systems for manufacturing operations; mentoring, requirements capture, database architecture, CI/CD, and cross-functional collaboration; ability to travel 25%.
Ignition, deviseWISE, Microsoft Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, CI/CD Pipelines, RESTful API Design, Java, C++, .NET, Scala, Lua, Python, SQL
3d
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Sr AI/ML Engineer Remote Nationwide or Hybrid in MN or DC or CT
Hartford or Minneapolis or Washington or United States
$120k-$215k/yr RemoteFull Time
8+ YOEBachelor's or equivalent, 8+ years software engineering experience, 2+ years building/deploying AI/ML systems, experience with generative AI and RAG, API/microservices experience, strong communication and problem-solving.
GPT-based models, Retrieval-Augmented Generation (RAG), MLOps, API, microservices
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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
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Testing and Automation Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
3+ YOE3+ years testing/quality engineering experience; proficiency in test automation (UI/API/backend), performance testing, AI-assisted testing, CI/CD, and basic scripting in Java/JavaScript/Python/C#.
JMeter, Gatling, k6, Locust, Selenium, Cypress, Playwright, REST-assured, Postman, Java, JavaScript, Python, C#, CI/CD
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