24 backend engineer jobs at 14 companies in Middletown, CT
2d
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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
1mo
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System Integration and Test Engineer- CWW Backend Nights
Wilton, Connecticut, United States
OnsiteFull Time
0+ YOEBachelor's in a technical discipline required, 0-1 year manufacturing/production experience preferred, cleanroom and optical fabrication experience a plus, able to troubleshoot production issues, lift up to 20 lbs, and be work-authorized in the US without sponsorship.
Teamcenter, SAP
1mo
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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
1mo
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GIS Software Engineer
Hartford, Connecticut, United States
$97k-$145k/yr HybridFull Time
2+ YOE2+ years software engineering focused on backend development, strong ArcGIS experience, Java/Spring Boot, Python, Oracle, AWS and RESTful API development; bachelor’s degree preferred.
Java, Spring Boot, AWS, Python, Oracle, React, ArcGIS, ArcGIS Enterprise, ArcGIS Pro, ArcPy, Jupyter Notebooks, PowerShell, Terraform, Apigee, AWS API Gateway, GitHub, GitHub Copilot, Jenkins, SonarQube, ArcGIS ST_Geometry, Arcade, SQL Server, PostgreSQL, Snowflake, Angular, FME
1mo
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GIS Software Engineer
Hartford, Connecticut, United States
$97k-$145k/yr HybridFull Time
2+ YOE2+ years software engineering experience; strong backend development with Java/Spring Boot, ArcGIS platform experience, Oracle geodatabases, Python, AWS, RESTful API design, and ability to work hybrid in Hartford, CT. Must be authorized to work in the US without sponsorship.
Java, Spring Boot, AWS, Python, Oracle, React, ArcGIS Enterprise, ArcGIS Pro, ArcPy, Jupyter Notebooks, Terraform, Arcade, PowerShell, Apigee, AWS API Gateway, GitHub, GitHub Copilot, Jenkins, SonarQube, SQL Server, PostgreSQL, Snowflake, Angular, FME
1mo
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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
3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
1mo
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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
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
2mo
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Product Software Engineer II
Bristol or Glendale
$118k-$158k/yr HybridFull Time
3+ YOE3+ years backend or full-stack web applications; strong Java/Java EE/JVM; REST APIs; NoSQL; agile; collaboration.
Java, REST, NoSQL, AWS
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
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
1mo
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Sr. SAP Commerce Platform Engineer
West Hartford or United States
RemoteFull Time
6+ YOE6+ years SAP Commerce Cloud backend experience, extension development (type system, persistence, Spring, ImpEx, FlexibleSearch), integrations with ERP/PIM/CRM, Dynatrace troubleshooting; SQL and Solr, headless architecture experience preferred.
SAP Commerce Cloud, Hybris, Spring, ImpEx, FlexibleSearch, Dynatrace, SQL, Solr, Spartacus, React, Contentful, Algolia, Cloudinary, OCC, Kanban
2w
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Java Full Stack Developer with React
Hartford or Indianapolis or Phoenix or Raleigh or Richardson
OnsiteFull Time
Design and develop backend and server-side applications using Java, Spring, Node.js; implement reactive patterns, APIs, and event-driven solutions; bachelor\u0002s degree or equivalent experience required.
Java 11, Java 17, Spring Boot, Spring Reactive (WebFlux), Node.js, Express.js, Confluent Kafka, Kafka, RabbitMQ, Oracle, PostgreSQL, MySQL, Microsoft SQL Server, React
3d
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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
4d
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Data Integration Lead
Norwalk, Connecticut, United States
OnsiteFull Time
5+ YOE5+ years healthcare integration/backend/data engineering experience, bachelor's degree in CS/Engineering, strong SQL and AWS (S3,Lambda,SQS,EventBridge,Glue), experience with file/API integrations and ETL/ELT.
CSV, JSON, XML, SQL, AWS S3, AWS Lambda, AWS SQS, AWS EventBridge, AWS Glue, ETL, ELT
2w
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Architecture Senior Advisor- Hybrid
Bloomfield, Connecticut, United States
$147k-$231k/yr HybridFull Time
5+ YOEBachelor\u0002s in Computer Science, Electronics Engineering or related with 5+ years (or Master\u0002s with 3+ years). Experience designing microservices, backend services, secure REST APIs, cloud (AWS/Azure), DevOps/CI/CD, OAuth/SAML/Active Directory, and enterprise architecture.
Python, C#, Node.js, Java, AWS, Azure, OAuth, SAML, Active Directory, RESTful APIs, DevOps, CI/CD
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