18 senior backend developer jobs at 13 companies in Hamden, CT

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Sr Manager, Backend Engineering
Stamford or Irving
$116k-$170k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
8+ YOE2+ Mgmt8+ years web application development; Java EE/Spring; cloud platforms (AWS preferred; Azure valued); leadership; scalable backend design.
Java EE, Spring, HTML, XML, JSON, PL/SQL, AWS, Azure
4w
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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
Atria Health Institute
Atria Health Institute: Membership-based concierge practice providing preventive, precision-based medical care.
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
1w
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Engineer
Stamford, Connecticut, United States
$70k-$75k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOEBachelor's in Computer Science, 6+ years experience, proficiency in Java/Python/JS/TS, web/backend development, databases, cloud platforms, Kubernetes, and strong communication and problem-solving skills.
Java, Python, JavaScript, TypeScript, Django, Flask, Spring Boot, SQL, NoSQL, MongoDB, Snowflake, AWS, Azure, Kubernetes
1w
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Senior Software Engineer II, Confluent Secure Compute
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$131k-$245k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
5+ YOEBachelor's degree,5+ years building backend production systems,strong programming skills (Python/Go/C/C++/Java),cloud and container experience,observability and operational excellence,technical leadership and collaboration.
Python, Go, C, C++, Java, Docker, Kubernetes, JVM, WASM, AWS, GCP, Azure
1w
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Python AWS Developer
Hartford or Lafayette
$81k-$172k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
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
1w
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Senior Software Engineer - Confluent Applied AI for DevProd
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$111k-$207k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Experience building backend production systems, proficiency in Java/Go/Python, cloud-native and Kubernetes experience, LLM application to engineering workflows, EMR not mentioned, strong testing and product mindset, collaborative skills.
Java, Go, Python, Kubernetes, GitHub, Jira, Slack, CI, LLMs
1mo
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Senior Software Engineering Manager - Pharmacy Systems
Woonsocket or Scottsdale or Hartford or Richardson or Alpharetta
$118k-$261k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
7+ YOE3+ Mgmt7+ years software development, 5+ years backend with React/Angular, 3+ years leadership, 3+ years front-end product experience.
React, Angular, GitHub Actions, AWS, GCP, Azure, CI/CD
1mo
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Sr Product Software Engineer
Bristol, Connecticut, United States
$139k-$186k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years experience in backend platform development; strong Java/JVM proficiency; microservices, event-driven and RESTful API design; cloud architecture; Apache Kafka; CI/CD (GitLab Pipelines, GitHub Actions, TeamCity); relational/NoSQL databases; Bachelor's degree required.
Spring Boot, MongoDB, Apache Kafka, Java, Go, Rust, GitLab Pipelines, GitHub Actions, TeamCity, MySQL, PostgreSQL, Cassandra, CloudWatch, ECS/Fargate, EC2, S3, Lambda, RDS, Datadog, Grafana, Splunk, GraphQL, Terraform, CloudFormation
2mo
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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
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
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
4w
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Sr. SAP Commerce Platform Engineer
West Hartford or United States
RemoteFull Time
Legrand
LegrandEuronext Paris: LR: Global specialist in electrical and digital building infrastructures.
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
4w
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Full Stack Staff Software Engineer — AI-Augmented Development
Charlotte or Hartford or Columbus or Chicago
$116k-$174k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
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
2mo
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Lead Software Engineer (Python, LLM) - AskGartner
Irving or Stamford
$116k-$170k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
Expert-level Python; backend services; FastAPI; AWS/Azure; SageMaker Pipelines; Pytest; PostgreSQL; Pandas; Git.
Python, Python FastAPI, AWS, Azure, AWS SageMaker Pipelines, pytest, Git, PostgreSQL, Parquet, JSON, CSV, Pandas, LangGraph, LangChain, OpenAI, Anthropic, Google, Locust, JMeter, AWS Athena, AWS S3, IAM, Splunk, AWS Secrets Manager, PySpark, Docker, Kubernetes, Terraform, OpenSearch, RAG systems, Cache technologies
1mo
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Staff Software Engineer II - Confluent Secure Compute
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$161k-$299k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
10+ YOE10+ years building scalable backend/infrastructure systems; deep Kubernetes and Go expertise; experience with multi-tenant security, observability, public cloud integrations; demonstrated technical leadership and mentorship.
Kubernetes, Go, gRPC, Protobuf, AWS, GCP, Azure, Kata Containers, Cloud Hypervisor, cgroups, seccomp
1mo
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Sr Product Software Engineer
Bristol, Connecticut, United States
$139k-$186k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years backend platform experience; strong Java/JVM proficiency; experience with microservices, Spring Boot, event-driven systems, Apache Kafka, MongoDB, CI/CD (GitLab Pipelines/GitHub Actions/TeamCity), cloud deployments, and relational/NoSQL databases.
Spring Boot, MongoDB, Apache Kafka, Java, Go, Rust, GitLab Pipelines, GitHub Actions, TeamCity, MySQL, PostgreSQL, Cassandra, CloudWatch, ECS/Fargate, EC2, S3, Lambda, RDS, Datadog, Grafana, Splunk, GraphQL, Terraform, CloudFormation
2d
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Architecture Senior Advisor- Hybrid
Bloomfield, Connecticut, United States
$147k-$231k/yr HybridFull Time
The Cigna Group
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
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
2w
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Manager Product Software Engineering
Glendale or Bristol
$172k-$230k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
8+ YOE8+ years building complex platform applications; leadership of engineering teams; hands-on Java or Node backend experience; cloud platform services; agile development; Bachelor’s or equivalent.
Java, Node
2mo
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Lead Agentic AI Designer
Purchase, New York, United States
$150k-$254k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Strong experience building AI/ML or backend systems; hands-on with LLM-powered apps, RAG pipelines, agent-based systems; production-scale services; Python, APIs, distributed systems.
Python, APIs, Distributed systems, Cloud-native platforms
1mo
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Principal Architect
Melville, New York, United States
$170k-$190k/yr OnsiteFull Time
Accommodations Plus International
Accommodations Plus International: Provides crew accommodation and travel logistics technology solutions.
10+ YOE10+ years software engineering with principal/staff architecture experience, strong AWS cloud architecture, Java backend and Angular frontend experience, data systems (Postgres/Oracle), expertise designing AI/LLM integrations and AI development lifecycle, compliance-minded design (PCI/PII), strong communication and documentation skills.
AWS, Java, Angular, Postgres, Oracle