Killingly Center • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Killingly Center • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Killingly Center • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Killingly Center • 50 milesRemote · Hybrid · Onsite · Field · All Environments
41 backend developer jobs at 20 companies in Killingly Center, CT
2mo
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Backend Software Engineer
Waltham or Boston or United States
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development with Java/Kotlin or similar, B.Sc. in Computer Science, strong OOP, distributed/cloud experience (AWS preferred), relational DB/SQL skills, and strong communication.
Kotlin, Java, Python, .NET, AWS, Relational Databases, SQL, CI / CD
1mo
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Backend Software Engineer
Waltham or Boston
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development experience with Java/Kotlin or similar; BSc in Computer Science required; strong OOP, SQL, cloud (AWS) and CI/CD experience; excellent communication skills.
Kotlin, Java, Python, .NET, AWS, SQL, CI/CD, Zoom
2mo
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Backend Software Engineer
Yokne'am Illit or Needham
HybridFull Time
BSc in CS or Software Engineering, proven system-level software development experience in Linux, multi-threaded programming, strong analytical and communication skills in Hebrew and English.
C, C++, Linux, Linux kernel
4d
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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
2w
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Back End Software Engineer
Smithfield, Rhode Island, United States
$78k-$172k/yr OnsiteFull Time
6+ YOE6+ years Java/Spring Boot experience, API design, Spring Batch and ETL/data migration skills, relational database proficiency, and a bachelor's degree in CS or related field.
Spring Boot, Spring Batch, OpenAPI, Swagger, WebClient, RestTemplate, Amazon Relational Database Svc, AWS Lambda, RDS, S3, API Gateway, Microsoft SQL Server, JUnit, Mockito, Test-Containers
1mo
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Software Engineer - Backend (Fall 26' Intern)
Natick, Massachusetts, United States
$28-$32/hr OnsiteInternship
Currently enrolled or recently graduated in CS/CE or similar; fluent in Java, C#, or C++; strong OOP and back-end development experience for Windows or Linux; wearable sensor experience useful; must show valid work eligibility.
Java, C#, C++, Windows, Linux
2mo
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Senior Back End Software Developer (AI, Java, Vert.x, AWS) - Remote US
Waltham, Massachusetts, United States
$130k-$158k/yr RemoteFull Time
5+ YOE5-7 years Java, 3-5 years Reactive (Vert.x), 1-2 years AI tooling, 3-5 years Web Services/REST APIs
Java, Vert.x, AWS, AI tools, RESTful APIs
3w
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Software Engineer III
Bethesda or Waltham
$112k-$176k/yr HybridFull Time
2+ YOEBackground in backend development with Java and Node.js, experience with Kafka, SQL Server/MongoDB, RESTful APIs, cloud (AWS/GCP), Docker/Kubernetes/ECS, Jira and VS Code; Masters+2yrs or Bachelors+4yrs.
Java, Node.js, NestJS, Kafka, SQL Server, MongoDB, Jira, VS Code, AWS, GCP, Docker, Kubernetes, ECS
5d
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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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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
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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Application Engineer (HYBRID TO MA)
Worcester, Massachusetts, United States
$82k-$105k/yr HybridFull Time
3+ YOEBachelor's in CS/CE, 3+ years software development, US work authorization without sponsorship, strong SDLC knowledge, problem solving, communication, and experience with backend, frontend, AI integrations, Azure, containers, and CI/CD.
Java, Spring Boot, Microservices architecture, RESTful APIs, React, Angular, HTML, CSS, JavaScript, TypeScript, MySQL, PostgreSQL, SQL Server, Oracle (12c+), CosmosDB, Jenkins, GitHub Actions, Dynatrace, AppDynamics, New Relic, Python, Bash, Azure AI Foundry, Azure OpenAI, Cognitive Services, Microsoft Azure, App Services, Function Apps, Application Insights, Managed Identity, Redis, Ehcache, Docker, Kubernetes, 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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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
1mo
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Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yr HybridFull Time
7+ YOE7+ years experience; strong Java backend, Angular front-end, and Python skills; Oracle/PLSQL; OOP; AI-assisted development tools; test automation; Git; Agile tools (JIRA, Zephyr Scale, Confluence); must be authorized to work in the US.
AI-assisted development tools, Java, Angular, Python, Oracle, PL/SQL, Git, JIRA, Zephyr Scale, Confluence
1d
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Senior Engineer -Artificial Intelligence
Marlborough, Massachusetts, United States
$120k-$130k/yr OnsiteFull Time
8+ YOEBachelor's degree required; experience building AI systems, backend services, cloud integrations, APIs, CI/CD pipelines, and production-grade software in Agile/DevOps environments.
Azure, Agile, Scrum, DevOps, CI/CD
1mo
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Senior Software Engineer
Foxboro, Massachusetts, United States
$178k-$185k/yr HybridFull Time
5+ YOEBachelor's in CS/CE or related and 5+ years backend experience including 3 yrs Java with Spring, 3 yrs container/cloud-native (Docker, Kubernetes, Helm) with public cloud (Azure), 2 yrs event-driven (Kafka), 2 yrs DB work (PostgreSQL/Cassandra), technical lead and mentoring experience.
Java, Spring, Spring Boot, Docker, Kubernetes, Helm, Azure, Apache Kafka, PostgreSQL, Cassandra
2mo
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Full Stack Software Engineer, Atlas Applications
Waltham, Massachusetts, United States
$117k-$160k/yr OnsiteFull Time
3+ YOE3+ years software engineering with full stack, API integration, frontend/backend, and LLM integrations.
React, Python, TypeScript, Postgres, Redis, Pinecone, Claude Code
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
5d
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Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough or Boston
$65k-$112k/yr HybridFull Time
7+ YOE7+ years experience building enterprise applications; strong Java backend, Python scripting, Angular frontend, Oracle/PL/SQL, test automation, DevOps and Agile tool experience; must be authorized to work in the US without sponsorship.
Java, Python, Angular, Oracle, PL/SQL, Git, JIRA, Zephyr Scale, Confluence
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