Senior Full-Stack Python Engineer; onsite

Middletown, United States | Posted on 02/19/2026

Info-Matrix Corporation is a full-service professional IT provider located in Mechanicsburg, Pennsylvania. We are a privately held, small diverse business that has been providing Pennsylvania state and local government with innovative IT solutions and staffing services for more than 28 years. As a local employer of IT professionals, Info-Matrix Corporation has proven expertise in all facets of information technology.

Info-Matrix isseeking a Senior Full-Stack Python Engineer with extensive experience in systems driven by Optical Character Recognition (OCR) and Computer Vision. This hands-on software engineering role focuses on building and scaling production systems that process images, perform OCR, and deliver results via robust APIs and client-facing applications.

• 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 Postgre
  
  SQL.
• 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.

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

• Expert in Object Oriented Programming (OOP) applying abstraction, encapsulation, inheritance, and polymorphism to design scalable, reusable and loosely coupled systems aligned with SOLID (S) ingle-responsibility, (O) pen-closed, (L) iskov Substitution, (I) nterface Segregation, (D) ependency 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.
• Fully document all created work associated with this position, including technical and functional designs and diagrams, test plans, test scripts, impact analysis reports, lessons learned, best practices for others to follow, plus any other documentation as required by the client. This documentation shall follow the format and/or templates as instructed by the client.
• Develop and maintain productive relationships with technology staff, business owners, project sponsors, vendors, and key clients.
• Lead and participate in project team activities for system work efforts related to enterprise systems.
• Work independently to accomplish the tasks and duties assigned.
• Adhere to and follow all client standards, policies, and procedures.
• Utilize various software and/or technology tools to perform job duties.
• Perform tasks and other duties as related to this position and role and assigned by the client.

The ideal candidate will have a strong Python background and the ability to develop backend services from start to finish, while also contributing to the frontend when necessary. This position lies at the intersection of backend systems, computer vision and OCR pipelines, distributed services, and modern frontend delivery.

• 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.
• Postgre
  
  SQL / SQL: Proficiency in…