36 python backend developer jobs at 25 companies in Folcroft, PA
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Backend Software Developer
Wayne, Pennsylvania, United States
HybridFull Time
Experience building backend services and APIs using Ruby/Rails, Python or NodeJS; familiarity with databases, integrations (SFTP/FTP, OAuth2, OIDC), security (TLS, SSH), Linux/Docker, testing and API tools.
Ruby, Ruby on Rails, Python, NodeJS, SFTP, FTP, OAuth2, OIDC, TLS, SSH, Postgresql, Mysql, MariaDB, rSpec, Postman, Linux, Docker, ReactJS, NewRelic, AWS, CI/CD
2d
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Senior Backend Engineer, Experimentation
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$163k-$264k/yr RemoteFull Time
6+ YOERequires 6+ years of software engineering experience, backend production systems expertise, Go or comparable language skills, distributed systems and data-intensive product experience, cloud operations, and observability practices.
Go, Python, Rust, C++, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks
1mo
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Backend Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Proficiency in Go, Python, Bash, and SQL; Linux and GCP experience; CI/CD and build tooling familiarity; experience in healthcare/regulated environments and building web services with OpenAPI.
Go, Python, Bash, SQL, JavaScript, Linux, GCP, Kubernetes, GKE, Cloud Firestore, Cloud Storage, BigQuery, GitHub Actions, Please, Bazel, Buck, Pants, OpenAPI, Windows, RDBMS
2w
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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
1w
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Knowledge Engineer Manager - Back-end Engineer
United States or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$80k-$294k/yr HybridFull Time
5+ YOERequires 5+ years in knowledge graphs, ontology mapping, R2RML, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent.
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, D3.js, Cytoscape.js, Terraform
1mo
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Senior Python Engineer, Integration
Philadelphia or New York City or Austin or Sofia or Europe
RemoteContract
5+ YOE5+ years Python development with API and system integrations, experience with observability and scalable backend architecture, willingness to join on-call rotations.
Python, Django, Datadog, CloudWatch, Grafana
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Experienced Software Engineer Java / Python (Full Stack or Back End)
Wilmington, Delaware, United States
OnsiteFull Time
Requires practical experience in system design, application development, testing, operational stability, Java or Python, databases, SDLC, agile methods, AI-assisted development, and secure engineering practices.
Java, Python, Software Development Life Cycle, CI/CD, AI-assisted software development tools
3w
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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
3w
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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
5d
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr HybridFull Time
4+ YOERequires 4–6 years of software engineering experience, strong Java and Python backend skills, SQL, data modeling, AWS, databases, CI/CD, Docker, observability, Agile collaboration, and technical documentation.
Java, Python, SQL, AWS, DynamoDB, RDS, PostgreSQL, DocumentDB, Docker, ECS, EKS, CloudWatch, Datadog
2w
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Lead Software Engineer, Back End (Enterprise Platforms Technology)
McLean or New York City or Richmond or San Francisco or Philadelphia or Canada or United Kingdom or Philippines
$179k-$246k/yr OnsiteFull Time
4+ YOE1+ MgmtBachelor's degree, 4+ years of software engineering experience, and 1+ year of cloud computing experience required; leadership, programming, databases, containers, and Agile expertise preferred.
Java, Python, SQL, Node.js, Go, Scala, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, Open Source RDBMS, NoSQL, Agile, interactive AI tooling
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
1w
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Software Engineer
Thorofare or United States
$60k-$110k/yr HybridFull Time
4+ YOERequires 4+ years building production applications, strong TypeScript, frontend and backend development, AWS and Vercel, SQL, APIs, CI/CD, and experience with AI-assisted development tools.
TypeScript, Next.js, Tailwind CSS, Bootstrap, C#, Python, Node.js, SQL, Contentstack, Sitecore, PostgreSQL, SQL Server, BigQuery, AWS, Vercel, GitHub, GitHub Actions, Aurora PostgreSQL, Lambda, S3, CloudWatch, IAM, ECS, Terraform, AWS CDK, Cursor, Claude Code, Codex
1mo
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Software Development Engineer
Philadelphia or Reston
OnsiteFull Time
5+ YOE5+ years building and operating distributed backend systems, experience with GraphQL/REST APIs, Python/Go/Java/C++, relational or NoSQL databases, containerized deployments and CI/CD; Bachelor's preferred; must be authorized to work in the US (no sponsorship).
GraphQL, REST, PostgreSQL, Python, Go, Java, C++, Docker, Kubernetes, MLOps, CI/CD
3w
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Staff Software Engineer
Philadelphia or United States
$169k-$192k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience; proficiency in Python, Go, TypeScript or SQL; backend, APIs, distributed systems, Postgres, AWS/GCP, Docker/Kubernetes, Kafka/Redis; strong system design and cross-team leadership.
Python, Go, TypeScript, SQL, Postgres, AWS, GCP, Docker, Kubernetes, Kafka, Redis, Grafana, Prometheus, GitLab CI/CD
3mo
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
1mo
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; strong hands-on C#, Python, and React/JavaScript; full-stack backend/frontend comfort; excellent communication; Bachelor’s in CS, CE, math, physics or related.
C#, .NET, Python, React, JavaScript, Microsoft Excel
1w
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AI Platform Engineer
Philadelphia or King of Prussia
$140k-$165k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of software development focused on backend services and integrations; C#/.NET, REST APIs, OAuth 2.0, Azure, LLM APIs, SQL Server, testing, CI/CD, and infrastructure-as-code.
Microsoft Power BI, Microsoft Fabric, Deltek Vantagepoint, Autodesk Platform Services, Egnyte, Microsoft Entra ID, OAuth 2.0, OpenID Connect, Microsoft Azure, OpenAI, Anthropic, MCP, C#, .NET Core, Python, TypeScript, SQL Server, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure Key Vault, Microsoft Azure API Management, Microsoft Azure Application Insights, Azure DevOps, GitHub Actions, Bicep, Terraform, Microsoft Graph, REST APIs, CI/CD
1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot
4d
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Full Stack Engineer
New York City or United States or Raleigh-Durham or Atlanta or Philadelphia
$150k-$300k/yr HybridFull Time
Senior-level experience shipping production web applications, strong TypeScript and backend skills, API and data modeling experience, cloud deployment, CI/CD, ML integration, and excellent communication.
Next.js, TypeScript, Python, FastAPI, CI/CD
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