18 python backend developer jobs at 12 companies in Walden, 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
1w
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Backend Engineer_AI Gateway
Englewood Cliffs or Plano
$11k/mo OnsiteContract
Deep expertise in async Python and network programming, cloud infrastructure, container orchestration, streaming data, security gateways, IAM/SSO, observability, and CI/CD.
asyncio, aiohttp, anyio, WebSocket, SSE, TLS, HTTP/2, HTTP/3, gRPC, FastAPI, Pydantic, Docker, AKS, EKS, GKE, Istio, Envoy, Redis Streams, RabbitMQ, Kafka, PostgreSQL, PgBouncer, HashiCorp Vault, NGINX, Terraform, GitHub Actions, GitLab CI, CASB, DLP, WSS, Azure AD, Entra ID, Okta, SAML 2.0, OIDC, SCIM, Azure OpenAI, Datadog, Prometheus, Grafana, Azure Monitor
1w
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Software Engineer – Backend Platforms, Assistant Vice President (Wealth Custody & Clearing)
Boston or Princeton or Austin or Quincy or Clifton
$90k-$158k/yr HybridFull Time
7+ YOE7+ years software engineering experience building backend services, APIs, distributed systems and cloud-native applications; strong engineering fundamentals; Bachelor's preferred; experience with Java/Kotlin/Python/TypeScript; Agile and production support experience.
Java, Kotlin, Python, JavaScript, TypeScript, RESTful APIs, microservices, CI/CD, DevOps, Docker, Kubernetes
1w
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Software Engineer – Backend Platforms, Assistant Vice President (Wealth Custody & Clearing)
Boston or Princeton or Austin or Quincy or Clifton
$90k-$158k/yr HybridFull Time
7+ YOE7+ years software engineering experience; bachelor's preferred; expertise in backend development, APIs, microservices, cloud, CI/CD, Docker/Kubernetes, and enterprise delivery; strong communication and problem solving.
Java, Kotlin, Python, JavaScript, TypeScript, RESTful APIs, Docker, Kubernetes, CI/CD pipelines
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
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Lead Developer
Teaneck, New Jersey, United States
HybridFull Time
10+ YOE10+ years professional software development experience with extensive focus on Python3 for backend/service applications; experience designing scalable architectures, testing, performance tuning, hybrid teams, and mentoring developers.
Python3
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Software Engineer
New York City or Englewood Cliffs
$120k-$150k/yr HybridFull Time
3+ YOE3+ years software development; backend (Java, Node.js, Python, Go), frontend (JavaScript/TypeScript, React/Vue/Angular), microservices and REST APIs, cloud (AWS/Azure), Git and CI/CD experience.
Java, Node.js, Python, Go, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, AWS, Azure, Git, GitHub Actions, Jenkins, Terraform, CloudFormation, Datadog, Prometheus, ELK
1mo
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Sr. Software Engineer
Englewood Cliffs or New York City
$140k-$170k/yr HybridFull Time
6+ YOE6+ years professional software development; strong JavaScript/TypeScript and modern front-end framework experience; backend experience in Java/Node.js/Python/Go; microservices, cloud, Git, CI/CD familiarity.
JavaScript, TypeScript, HTML/CSS, React, Vue, Angular, Java, Node.js, Python, Go, AWS, Azure, Git, CI/CD
1mo
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Software Engineer
Englewood Cliffs or New York City
$120k-$150k/yr HybridFull Time
3+ YOE3–5 years software development experience; backend knowledge (Java, Node.js, Python, Go); modern JavaScript/TypeScript and front-end frameworks (React, Vue, Angular); cloud familiarity (AWS, Azure); Git and CI/CD experience.
Java, Node.js, Python, Go, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, AWS, Azure, Git, GitHub Actions, Jenkins, Terraform, CloudFormation, Datadog, Prometheus, ELK, SaaS, low-code/no-code
1mo
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Software Engineer (Platform Engineering)
Englewood Cliffs or New York City
$120k-$150k/yr HybridFull Time
3+ YOE3+ years professional software development with video technology; experience with HLS/DASH, DRM, CDNs, player frameworks; JavaScript/TypeScript, HTML/CSS and React/Vue/Angular; backend Node/Python/Go; cloud (AWS/Azure) and CI/CD.
HLS, DASH, DRM, CDNs, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, Node, Python, Go, AWS, Azure, CI/CD
1w
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Principal Engineer
Bloomfield, New Jersey, United States
OnsiteFull Time
10+ YOE10+ years experience; expert React and TypeScript frontend; backend experience in Go, Python or TypeScript; cloud (GCP or AWS) and Terraform architecture; Docker, Kubernetes, CI/CD; observability (Prometheus, Grafana, Jaeger); systems design and mentorship.
React, TypeScript, Go, Python, GCP, AWS, Terraform, Docker, Kubernetes, GitHub Actions, GitLab CI, Prometheus, Grafana, Jaeger
1mo
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Senior Software Engineer
United States or White Plains
$170k-$200k/yr OnsiteFull Time
5+ YOE5+ years engineering experience, strong backend ownership, product judgment, experience with Python, PostgreSQL, AWS, CI/CD, and building reliable scalable systems.
Python, PostgreSQL, AWS
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
1mo
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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
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
3w
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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
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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Sr. Software Engineer
New York City or Englewood Cliffs
$140k-$170k/yr HybridFull Time
6+ YOE6+ years in video/streaming engineering; experience with HLS/DASH, DRM, CDNs, player frameworks, cloud (AWS/Azure), JS/TS and backend languages; strong communication and leadership.
HLS, DASH, DRM, CDNs, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, Node, Python, Go, AWS, Azure, CI/CD
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
2mo
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Lead AI Platform Engineer
New York or Fairfield or New Jersey or California
$175k-$200k/yr OnsiteFull Time
7+ YOE7+ years building production backend or full-stack systems, 2+ years building LLM-backed systems, deep AWS experience (Bedrock preferred), TypeScript/Node or Python proficiency, agent framework experience, API design and platform ownership, strong communication and mentorship skills.
Vercel AI SDK, AWS Bedrock, AgentCore, AWS Lambda, ECS, App Runner, RDS, Cognito, TypeScript, Node, Next.js, Python, PostgreSQL, MCP, Salesforce, Snowflake, Bitbucket, Kiro, Claude Code
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