119 api developer jobs at 40 companies in Niantic, CT
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Technical Lead – API and Integration Development (Hybrid or Remote - Raleigh, NC)
Canton or Boston or Farmington or Raleigh
$124k-$164k/yr HybridFull Time
9+ YOE2+ MgmtBachelor's/Master's in CS or related, 9+ years Java development (Spring Boot), 2+ years technical leadership, experience with Azure, Kafka/Messaging, Terraform, Docker/Kubernetes, OpenAPI; strong security and communication skills.
Java, Spring Boot, Auth0, Microsoft Azure, Azure Service Bus, Event Hub, Kafka, MQ, Terraform, Docker, Kubernetes, OpenAPI, Swagger
1mo
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Circle Lead Engineer (CLE) - Personal Insurance
Hartford, Connecticut, United States
$154k-$254k/yr HybridFull Time
7+ YOE2+ Mgmt7+ years software development, 2+ years technical leadership, bachelor’s in CS or related STEM (or equivalent), proficiency in Python, JavaScript/TypeScript, React, AWS/CDK, Terraform, Jenkins, GitHub, API development, and AI/GenAI; strong communication and delivery skills.
Python, JavaScript, TypeScript, React, AWS, AWS CDK, Terraform, Jenkins, GitHub, API Development, AI/GenAI
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
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
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Sr. Software Engineer
Miami or Shelton
OnsiteFull Time
5+ YOEBachelor's or equivalent experience, 5+ years production software development, strong with Node.js/TypeScript/Java/C#, serverless AWS (Lambda, API Gateway, DynamoDB, SQS/SNS), REST/GraphQL APIs, CI/CD and Git workflows, Terraform/IaC, and daily use of AI-assisted development tools (GitHub Copilot, Claude).
AWS Lambda, API Gateway, DynamoDB, SQS, SNS, Node.js, TypeScript, JavaScript, Java, C#, Terraform, GitHub, Azure DevOps, Dynatrace, OpenAPI, Swagger, GitHub Copilot, Claude, Git, GitHub Actions, Datadog, CloudWatch, Akamai, CloudFront, OAuth 2.0, OpenID Connect, AWS Cognito, React Native
4d
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Senior Software Development Engineer (Java, Nest, React)
Texas or North Carolina or Scottsdale or Florida or Illinois or Hartford
$83k-$204k/yr RemoteFull Time
5+ YOE5+ years software development experience; strong backend and API development using Java Spring Boot, Node.js, GraphQL; Kubernetes, observability, API design, and cloud-native experience; GCP preferred; bachelor's degree preferred.
Java Spring Boot, Node.js, GraphQL, Kubernetes, Gradle, NestJS, GitHub Actions, Google Cloud Platform (GCP), GitHub Copilot, Claude Code, Cursor, Model Context Protocol (MCP), React, GitHub
2w
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C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
2+ YOE.NET Framework/.NET Core and C# experience, Blazor, SQL Server (2016+), REST/SOAP, Visual Studio, Git, HTML/CSS/JavaScript, web API development, Agile experience.
.NET Framework, .NET Core, Blazor, C#, SQL Server 2016, ASP.NET, ADO.NET, REST, SOAP, Visual Studio, Git, HTML, CSS, JavaScript, JSON, AJAX, Wrike, Jira, bash, PowerShell, cmd
3w
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Python AWS Developer
Hartford or Lafayette
$81k-$172k/yr HybridFull Time
6+ YOE6+ years Python backend development, REST API (FastAPI/Flask), strong SQL, hands-on AWS (Lambda,S3,SQS,DynamoDB,EC2,EKS), CI/CD and production support experience.
Python, FastAPI, Flask, AWS Lambda, Amazon S3, Amazon SQS, DynamoDB, Amazon EC2, Amazon EKS, Boto3, CloudWatch, Jenkins, GitHub Actions, Terraform, CloudFormation, OpenShift, Kubernetes, PostgreSQL, Aurora, Java, ReactJS, Spring Boot, SQL
5d
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Dot Net Developer
Atlanta or Hartford or Raleigh or Richardson
$64k-$95k/yr OnsiteFull Time
.NET stack experience (.NET, ASP.NET, MVC, C#, WPF, WCF), Microsoft SQL Server and Entity Framework, strong OOP and API development skills, bachelor's degree or equivalent, agile experience preferred.
.NET, ASP.NET, MVC, C#, WPF, WCF, Microsoft SQL Server, Entity Framework, JavaScript
3d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City 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 San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
3w
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Software Developer
Newport, Rhode Island, United States
$59k-$102k/yr OnsiteFull Time
0+ YOEExperience building Microsoft Power Platform solutions (Power Apps, Dataverse, Power Automate), SharePoint and Azure integration, REST/JSON APIs, ALM, and ability to obtain Secret clearance.
Microsoft Power Apps, Power Fx, Canvas Apps, Model-Driven Apps, Dataverse, Power Automate, SharePoint, Microsoft Azure, REST APIs, JSON, Power Platform
2mo
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Drupal Full Stack Developer Lead
Farmington or Connecticut or Florida or Georgia or Iowa or Illinois or Maryland or Massachusetts or North Carolina or New York or Ohio or Rhode Island or South Carolina or Tennessee or Virginia
$100k/yr OnsiteFull Time
5+ YOE5+ years Drupal development experience (Drupal 9 & 10), strong PHP/Twig/MySQL skills, HTML/CSS/JavaScript/Sass, Composer, Drush, Git, NPM, API integration, custom module and theme development, performance optimization.
Drupal 9, Drupal 10, Twig, CSS, JavaScript, HTML, Sass, PHP, MySQL, Composer, Drush, Git, NPM, Panels, Layout Manager, Paragraphs, Feeds
3mo
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Senior Full Stack Developer
Milford, Connecticut, United States
OnsiteFull Time
5+ YOE5+ years full-stack development experience; bachelor\u0002s degree or equivalent; strong AWS, Node.js, PHP, Python, REST API, relational and NoSQL database, front-end (HTML5/CSS3/JavaScript), Git and CI/CD skills; strong communication.
AWS, EC2, S3, Lambda, RDS, CloudFormation, Node.js, Express.js, npm, PHP, Laravel, Symfony, Python, MySQL, PostgreSQL, NoSQL, HTML5, CSS3, JavaScript, Git, CI/CD, Docker, Kubernetes, Salesforce Apex
2mo
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Product Software Engineer II
Bristol or Glendale
$118k-$158k/yr HybridFull Time
3+ YOE3+ years of backend or full-stack development, Java/JVM, REST APIs, NoSQL data stores, agile environment, scalable secure systems.
Java, REST, NoSQL, AWS, CI/CD
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
2d
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Sr Software Engineer (AI Team Lead)
Hartford or Saint Paul
$139k-$230k/yr OnsiteFull Time
5+ YOEBachelor’s degree in computer science or related STEM field, 5+ years of programming experience, and hands-on experience with LLM APIs, agentic frameworks, plugins, AWS AI orchestration, and MCP development.
Large Language Model APIs, Agentic Frameworks, Claude, SAGE, AIDLC, AWS Agent Core, Model Context Protocol (MCP), AWS
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Quantum Software Engineer II
New Haven, Connecticut, United States
$103k-$154k/yr HybridFull Time
2+ YOEBachelor's in CS/ECE/math/physics/chemistry required; 2+ years Python software development; experience with debugging/profiling, version control, software testing, and quantum APIs (Qiskit, Q#, CUDA-Q, Cirq).
Python, Qiskit, Q#, CUDA-Q, Cirq
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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
4d
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Guidewire Developer, Senior Associate
Chicago or Stamford or Atlanta or Charlotte or Austin or Washington or Columbus or Dallas or Los Angeles or Milwaukee or Denver or Boston or New York or Florham Park or San Francisco or Silicon Valley or Philadelphia or Phoenix or Pittsburgh or Hartford
$77k-$202k/yr OnsiteFull Time
2+ YOEBachelor's degree, minimum 2 years experience, Guidewire platform knowledge, Object Oriented Programming, API integration experience, certifications (Guidewire,Scrum Master) preferred, up to 60% travel.
Guidewire PolicyCenter, Guidewire BillingCenter, Guidewire ClaimCenter, GOSU, PCF, Guidewire Integration Framework, Spring Boot, Rest Client API, SOAP APIs
1mo
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Senior Software Engineer
Glendale or Bristol
$149k-$199k/yr HybridFull Time
5+ YOE5+ years industry experience; proficiency in Java/Kotlin/Python/JavaScript, microservices, REST APIs, AWS (S3,Lambda,EC2), databases, Kafka; BS in CS preferred.
Java, Kotlin, Python, JavaScript, AWS, S3, Lambda, EC2, SQL, MongoDB, OpenSearch, Apache Kafka
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