10 backend developer jobs at 9 companies in Mastic Beach, NY
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Backend Software Engineer - Assistant Vice President
Greenwich or New York City
$130k-$170k/yr HybridFull Time
6+ YOEDegree in software engineering,6+ years web application development,experience with Python/Scala/Node.js,knowledge of relational/NoSQL modeling,testing and SSO familiarity.
Scala, Ruby, Node.js, Python, FastAPI, ZIO, Scala Test, ZIO Test, PyTest
2mo
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Sr Manager, Backend Engineering
Stamford or Irving
$116k-$170k/yr HybridFull Time
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
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
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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Lead Software Engineer (Python, LLM) - AskGartner
Irving or Stamford
$116k-$170k/yr HybridFull Time
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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Associate, Front Office Software Engineer
Stamford or Houston
OnsiteFull Time
2+ YOEBachelor's or Master's in CS/STEM, 2+ years software engineering experience, strong CS fundamentals, backend Python proficiency, front-end experience (React/Angular/TypeScript) preferred, cloud (AWS) and data warehousing (Snowflake) familiarity, Linux and CI/CD experience, strong communication.
Python, React, Angular, TypeScript, AWS, Snowflake, Linux/Unix, CI/CD
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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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
1mo
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Principal Architect
Melville, New York, United States
$170k-$190k/yr OnsiteFull Time
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