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
32 senior backend developer jobs at 16 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
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
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
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
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 - PA111 - Workflows
Waltham or Bethesda
$140k-$200k/yr HybridFull Time
5+ YOE5+ years backend engineering experience; strong Java (Spring Boot) and/or Node.js (NestJS); experience with workflow orchestration (Temporal, Google Cloud Workflows), Kafka, distributed systems, observability, APIs, and CI/CD. Bachelor's in CS or equivalent.
Java, Spring Boot, Node.js, NestJS, Temporal, Google Cloud Workflows, Kafka, REST APIs, webhooks, CI/CD
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
6d
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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
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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Full Stack Staff Software Engineer — AI-Augmented Development
Charlotte or Hartford or Columbus or Chicago
$116k-$174k/yr HybridFull Time
10+ YOE10+ years software engineering experience, 5+ years tech lead experience; Bachelor’s in CS or related (or equiv. experience); expertise in frontend and backend stacks, cloud (AWS/GCP), CI/CD, databases, APIs, and AI-augmented development tools.
React, Angular, Vue.js, TypeScript, HTML5, CSS3, Java, Spring Boot, Node.js, Express, Python, FastAPI, Django, .NET, RESTful APIs, GraphQL, gRPC, AWS, GCP, AWS Bedrock, GCP Vertex, Vertex Studio, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, SQL, NoSQL, PostgreSQL, MongoDB, DynamoDB, Redis, Kafka, RabbitMQ, GitHub Copilot, Cursor, Claude Opus, OpenAI, Anthropic, LangChain, Semantic Kernel, AutoGen, CrewAI
2w
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Software Engineer
United States or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Madison or Milwaukee or Minneapolis or Nashville or Omaha or Providence or Springfield or Saint Louis or Washington
$76k-$234k/yr HybridFull Time
5+ YOEBachelor's or equivalent,5+ years application engineering experience,full‑stack proficiency with backend focus,experience with generative AI and cloud deployment (Azure preferred),strong architecture and communication skills.
Python, Javascript, TypeScript, React, Vue, Azure, CI/CD, LLM APIs
1mo
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Full Stack Staff Software Engineer — AI-Augmented Development
Charlotte or Hartford or Columbus or Chicago
$116k-$174k/yr HybridFull Time
10+ YOE10+ years software engineering experience, 5+ years full-stack tech lead experience, BS in CS or equivalent, expertise in frontend/backend/cloud, AI-augmented development proficiency, strong testing and architecture skills.
React, Angular, Vue.js, TypeScript, Java, Spring Boot, Node.js, Express, Python, FastAPI, Django, .NET, RESTful APIs, GraphQL, gRPC, AWS, GCP, Docker, Kubernetes, PostgreSQL, MongoDB, DynamoDB, Redis, Kafka, RabbitMQ, Jenkins, GitHub Actions, GitLab CI, GitHub Copilot, Cursor, Claude Opus, OpenAI, Anthropic, GCP Vertex, AWS Bedrock, Vertex Studio, Semantic Kernel, CrewAI, LangChain, AutoGen
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
4d
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Director, AI Platform Engineering
San Francisco or Boston or Waltham or New York City
$200k-$230k/yr HybridFull Time
10+ YOE5+ MgmtRequires 10+ years in software engineering, 5+ years in engineering leadership, production platform expertise, AI/ML ecosystem knowledge, cloud infrastructure experience, and Python backend development.
LangGraph, MCP, AG-UI, CrewAI, AutoGen, OpenAI, Anthropic, AWS Bedrock, Kubernetes, Docker, Terraform, Python, FastAPI, SSE, WebSocket, GraphQL, dbt, Module Federation
1d
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SDET - Conversational AI
Hartford or Wellesley
$54k-$105k/yr OnsiteFull Time
5+ YOERequires 5+ years software engineering experience, including 3+ years in SDET or test automation, backend programming, API testing, test frameworks, CI/CD, full-stack testing, and conversational AI testing.
Java, Node.js, REST, JUnit, Jest, SOAPUI, Postman, Bruno, Playwright, Selenium, Cucumber, Hammer, Cyara, GitHub Actions
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