Contract Python Jobs in Lebanon, PA (NOW HIRING)

Data-Core Systems, Inc. is a provider of information technology, consulting, and business process services. We offer breakthrough tech solutions and have worked with companies, hospitals, universities, and government organizations. A proven partner with a passion for client satisfaction, we combine technology innovation, business process expertise, and a global, collaborative workforce that exemplifies the future of work. For more information about Data-Core Systems, Inc., please visithttps://datacoresystems.com/.

Data-Core Systems Inc. is seeking an Sr. Full Stack Python Engineerto be a part of our Consulting team. You will participate and effectively contribute to the design, development, and implementation of complex applications, often using new technologies. You will provide technical expertise and systems design for individual initiatives. You will have an opportunity to work with other SME consultants from our existing team.

Roles & Responsibilities:

Backend & OCR Systems

• Design, implement, and maintain workflows for Optical Character Recognition (OCR) and image processing, covering everything from data ingestion to evaluation and output.
• Develop scalable backend services in Python using Fast API.
• Integrate with third-party OCR engines through REST APIs, managing retries, errors, and fallback strategies.
• Implement preprocessing techniques and quality improvement measures.
• Contribute to improving OCR accuracy by utilizing feedback from manual reviews and downstream validation processes.
• Design data models and storage solutions for OCR results, metadata, and audit trails using PostgreSQL.

Distributed & Cloud Architecture

• Build message-driven services using Azure Service Bus for asynchronous processing.
• Deploy and operate services on Azure, including AKS.
• Containerize applications using Podman and support CI/CD pipelines.
• Contribute to system scalability, fault tolerance, and observability.

Full-Stack Skills

• Develop and maintain React-based web applications for internal and client-facing tools.
• Implement responsive User Interface components using JavaScript / React.
• Collaborate closely with backend services to integrate OCR functionality into the UI.
• Understand and work with HTTP/HTTPS, authentication flows, and API contracts.

Engineering Leadership

• Expert in Object Oriented Programming (OOP) applying abstraction, encapsulation, inheritance, and polymorphism to design scalable, reusable and loosely coupled systems aligned with SOLID (Single-responsibility,Open-closed,Liskov Substitution,Interface Segregation,Dependency Inversion) principles and guiding the team through code reviews and design standards.
• Participate in architectural decisions and technical design reviews.
• Mentor junior engineers and help raise overall engineering standards.
  

Required Skills & Experience:

• Python:an expert level in Python with 8+ years experience implementing and supporting production systems.
• FastAPI:5+ years experience with FastAPI or equivalent Python API frameworks.
• OCR / Computer Vision:5+ years of experience working with OCR and computer vision technologies, with a strong understanding of domain-specific applications.
• PostgreSQL / SQL:Proficiency in schema design, query writing, and performance optimization.
• JavaScript + React, HTML/CSS:Proven experience in production-level frontend development.
• Azure cloud, Azure Service Bus:Knowledge of Azure cloud services or equivalent messaging systems.
• AKS / Kubernetes:Hands-on experience with container orchestration using AKS or Kubernetes.
• Linux environments:Strong understanding and practical experience working in Linux environments.
• Proficiency inREST APIdesign and integration.
• Experience withJSON-based data exchange.
• Expertise in containerized development and deployment workflows.
• Knowledge of secure API design and operational best practices.

We are an equal opportunity employer.