24 python backend developer jobs at 22 companies in Chester, 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
2mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
Best Egg
Best Egg: Provides personal loans and credit cards for prime borrowers.
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
2w
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
Chemours
ChemoursNYSE: CC: Manufactures specialty chemicals, refrigerants, and high-performance industrial fluoropolymers.
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
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
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
4d
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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
1mo
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
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 / 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
4w
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNASDAQ: URBN: Multi-brand retail operator of lifestyle apparel and home goods.
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibilities; strong JVM (Java/Kotlin/Scala) or backend skills, microservices, cloud (GCP/AWS/Azure), Docker/Kubernetes, Postgres/AlloyDB, and practical LLM/AI tool use.
Java, Kotlin, Scala, Python, Go, Node, TypeScript, JVM, Spring, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Postgres, AlloyDB, Kafka, Spark, Storm, RESTful APIs, ChatGPT, Claude, Cursor, Windsurf, Copilot, MCP
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

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