24 python backend developer jobs at 20 companies in Allentown, PA

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
2d
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Backend Software Developer
Wayne, Pennsylvania, United States
HybridFull Time
PowerPay
PowerPay: Digital lending platform for home improvement and healthcare loans.
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
1w
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Python Developer
Pennington, New Jersey, United States
$110k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOEStrong Python backend skills, experience with frameworks (Django, FastAPI, Flask), cloud/DevOps, AI/GenAI integration, frontend (React/Angular), databases, and 10+ years experience.
Python, Django, FastAPI, Flask, OAuth2, JWT, SSO, React, Angular, JavaScript, TypeScript, HTML5, CSS3, Redux, Context API, NgRx, Oracle, PostgreSQL, MySQL, MongoDB, Redis, OpenAI API, Azure OpenAI Service, TensorFlow, PyTorch, Scikit-learn, Amazon Web Services, Microsoft Azure, Google Cloud, Docker, Kubernetes, Jenkins, GitHub Actions, Azure DevOps, Terraform, ARM, CloudFormation, PyTest, Selenium, Cypress, Kafka
2w
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Backend Software Engineers - King of Prussia, PA
King of Prussia, Pennsylvania, United States
$75k-$150k/yr OnsiteFull Time
In-Depth Engineering
In-Depth Engineering: Develops combat systems and radar software for the US military.
2+ YOEU.S. citizen with valid passport and active Secret clearance; Bachelor's in STEM; 2+ years experience; familiarity with Rust/C/Java, Docker, gRPC, SDLC; exposure to containerization and Agile.
Rust, C, Java, Docker, gRPC, Kubernetes, Helm, Gitlab CI/CD, Python, Selenium, Cypress, Playwright
1mo
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Software Engineer (Backend Development)
Colorado Springs or King of Prussia
$77k-$152k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEExperience with Rust/C, Python, Java; Docker, gRPC; SDLC knowledge; 1+ years relevant experience or advanced CS degree. Active Secret clearance and U.S. citizenship required.
Rust, C, Python, Java, Docker, gRPC, Kubernetes, Helm, GitLab CI/CD, REST, Agile
2mo
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Senior Software Engineer, Backend
Philadelphia, Pennsylvania, United States
$160k-$210k/yr OnsiteFull Time
Perpay
Perpay: Financial platform offering interest-free shopping and credit building via payroll.
5+ YOE5+ years web apps; 2+ years leading teams; PostgreSQL; AWS; Docker/Kubernetes; Python/Django or Rails; strong communication.
JavaScript, Python, Django, Flask, React, React Native, Redux, Kubernetes, AWS, Docker, Celery, Redis, Datadog, CloudWatch
3mo
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Vice President, Full Stack Engineer
Berwyn, Pennsylvania, United States
OnsiteFull Time
BNY
BNYNYSE: BK: Global institution managing and servicing financial assets worldwide.
5+ YOE5-9 years backend software development; Bachelor’s in CS/Engineering; finance experience; Java/Python/Node.js; Oracle DB; strong problem solving.
Java, Python, Node.js, Oracle Database
1w
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Senior Software Engineer
Basking Ridge or United States
$92k-$164k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
8+ YOE5+ Mgmt8+ years building backend systems in Java/Python; 5+ years managing teams; experience with databases, cloud (AWS/Azure/GCP), Kafka, containers, CI/CD, distributed systems, and delivering AI/ML-enabled solutions.
Java, Python, Kafka, PostgreSQL, MySQL, Oracle, MongoDB, Cassandra, AWS, Azure, GCP, Docker, Kubernetes, CI/CD, REST, gRPC, LLM, Pinecone, Weaviate, pgvector
1mo
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
Frontline Education
Frontline EducationNYSE: ROP: Provides administrative and management software for K-12 school districts.
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
1d
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Senior Applied AI Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
7+ YOE7+ years software engineering experience; strong Python and backend API skills; experience with FastAPI, PostgreSQL, distributed systems, AWS, containerization, CI/CD, and observability; bachelor's degree preferred.
Python, FastAPI, PostgreSQL, AWS, EC2, ECS/Fargate, Lambda, RDS, S3, IAM, CloudWatch, Docker, CI/CD, React, TypeScript, Snowflake, Databricks, OpenSearch, Elasticsearch, Infrastructure as Code (IaC), Agentic AI
3d
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Senior Software Engineer Applied AI
Trenton, New Jersey, United States
RemoteFull Time
AMC Health
AMC Health: Provides remote patient monitoring and virtual care technology.
7+ YOE7+ years building production backend systems, strong Python, distributed cloud experience (AWS), hands-on LLM/generative AI and ML lifecycle experience, disciplined in regulated environments, US work authorization required.
Python, AWS, LLMs
2w
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
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
3w
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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
EY
EY: Global firm providing audit, tax, and professional consulting services.
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
1mo
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AI Data Engineer
Princeton or Arizona or California or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or North Carolina or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia or United States or United Kingdom or North America or Asia or Australia or Europe
HybridFull Time, Contract
FDM Group
FDM GroupLondon Stock Exchange: FDM: Provides IT consulting, technical training, and staff augmentation services.
3+ YOE3+ years in data engineering, software engineering, or full stack development; strong Java or Python skills; experience building data pipelines/backend services; exposure to AI/ML; experience with AWS, Azure, or GCP.
Java, Python, AWS, Azure, GCP, React, Node.js, Spark, Databricks, APIs, CI/CD
1mo
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AI / ML Engineer
Wayne or United States
HybridFull Time
AssetWorks
AssetWorks: Develops software for managing physical assets, fleets, and infrastructure.
1+ YOE1+ years building AI-powered apps; experience with AI Agents, PostgreSQL/pgvector, Azure OpenAI; strong C#/.NET backend skills; LLM integration and prompt engineering.
PostgreSQL, pgvector, Azure OpenAI Service, Azure App Services, LangChain, C#/.NET, Python, microservices, vector embeddings, RAG, LLM
2d
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Senior QA Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
Rajant
Rajant: Provides industrial wireless mesh networking for mission-critical connectivity.
5+ YOE5+ years QA experience for backend/platform/cloud/web applications; strong manual testing, test strategy, defect management; automation with Python/Pytest/Playwright/Selenium; API, Linux, Docker, SQL, Jira/Confluence experience.
Python, Pytest, Playwright, Selenium, Postman, Swagger/OpenAPI, Docker, Keycloak, Jira, Confluence, TestRail, Zephyr, Xray, PostgreSQL, Bash, Ansible
1w
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Software Engineer II - AI Solutions
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
3+ YOEBachelor's in CS or related, 3+ years AI/ML or backend experience, proficiency in Python/Java/JavaScript/Typescript, ML frameworks, cloud platforms, healthcare standards, and CI/CD/DevOps.
Python, Java, JavaScript, Typescript, Pytorch, Tensorflow, Langchain, Keras, HL7, FHIR, DICOM, HIPAA, GDPR, SQL, NoSQL, AWS, Azure, Google Cloud, Oracle Cloud, Palantir, Databricks, Graphana, Datadog, Langfuse, Docker, Kubernetes, Large Language Models, CI/CD, DevOps
1w
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Specialist Software Engineering
Cedar Rapids or Denver or Philadelphia
$131k-$160k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
6+ YOE6+ years software development experience with 5+ years on AWS; Bachelor’s in CS or related (or equivalent); expertise with core AWS services, IaC, CI/CD, backend languages, containerization, networking, security, and observability.
AWS Lambda, Amazon ECS, Amazon EKS, API Gateway, CloudFormation, CDK, Terraform, DynamoDB, Amazon RDS, Amazon Aurora, Amazon S3, ElastiCache, IAM, VPC, EC2, CloudFront, Route 53, SNS, SQS, EventBridge, Kinesis, Jenkins, Docker, OpenShift, Kubernetes, Fargate, CloudWatch, AWS X-Ray, OpenTelemetry, Java, Python, Node.js, Go, Spring Boot, Spring MVC, Entity Framework, IIS, Swagger, OData, .NET API, AutoMapper, Glue, Athena, Lake Formation, SageMaker, Bedrock
1mo
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Systems Programmer I
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Brown Brothers Harriman
Brown Brothers Harriman: Providing global investment management, custody, and private banking services.
2+ YOE2+ years Java/Python backend development; strong Spring Boot and REST API experience; SQL/NoSQL databases; familiarity with TypeScript/Angular, CI/CD, cloud (OpenShift/Azure), Unix/Linux; Agile experience.
Java, Python, Spring Boot, Spring MVC, Spring Data, Spring Security, REST, TypeScript, Angular, RxJS, HTML, CSS, SQL, NoSQL, CI/CD pipelines, OpenShift, Azure, Unix, Linux
1mo
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AI Solutions Architect
Taguig or King of Prussia or São Paulo or India or Portugal or Mexico
OnsiteFull Time
WTW
WTWNASDAQ: WTW: Provides global risk management, insurance brokerage, and advisory services.
7+ YOE7+ years solution/cloud architecture experience (Azure preferred); hands-on RAG and LLM experience (LangChain, LangGraph); Power Platform and low-code knowledge; backend development in Python/Node.js/.NET; strong stakeholder communication and mentoring skills.
AKS, Azure OpenAI Service, Azure AI Foundry, Azure Functions, API Management, Service Bus, Azure AI Search, Cosmos DB, Azure Data Factory, Azure Monitor, Promptflow, LangSmith, LangChain, LangGraph, Azure OpenAI, Google Gemini, Lyzr, Moveworks, ServiceNow AI, Glean, Workato, Microsoft Power Apps, Microsoft Power Automate, Microsoft Copilot Studio, Microsoft AI Builder, Python, Node.js, .NET, Microsoft SharePoint, Microsoft Teams, Microsoft Entra ID, OAuth 2.0, Azure Data Lake, Microsoft Fabric, Microsoft Purview, Microsoft 365 (M365), Model Context Protocol (MCP)
1mo
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Staff Software Engineering Manager
Aurora or King of Prussia
$99k-$207k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOE3+ MgmtTS/SCI required; bachelor’s in CS/Engineering; 8+ years software development, 3+ years leadership; proficiency with backend languages (Python, Java, C#, Go), cloud (AWS/Azure/GCP), relational and NoSQL databases, Git and CI/CD.
Python, Java, C#, Go, Node.js, Express, NestJS, Django, Flask, FastAPI, Spring Boot, Quarkus, .NET Core, Ruby/Rails, PostgreSQL, MySQL, MongoDB, Redis, SQL, ORMs, Git, CI/CD, AWS, Azure, GCP