Senior Full Stack Python Engineer / Full-Time / Hybrid / Middletown, PA
Become a member of a growing team of Information Technology professionals making an impact and providing solutions for Government and Commercial clients since 1996 Join the Domino Tech Team!
The Position:
Position Title: Senior Full Stack Python Engineer
Location: Hybrid; Remote Off-Site and On-Site in Middletown, PA
Duration: 30+ Month Project
Note: Hybrid work environment is expected to be 1-week per month on-site in Middletown PA, varying with project needs.
We are seeking a Senior Full Stack Python Engineer to add to our team assisting the Pennsylvania Turnpike Commission (PTC) Information Technology (IT) Department; 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.
Our Senior Full Stack Python Engineer will perform the following duties;
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.
- 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 Commission. This documentation shall follow the format and / or templates as instructed by the Commission.
- 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 Commission 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 Commission.
The Skills and Experience:
- 8+ Years: Expert level in Python with experience implementing and supporting production systems
- 5+ Years: Experience with Fast API or equivalent Python API frameworks
- 5+ Years: 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 in REST API design and integration
- Experience with JSON-based data exchange
- Expertise in containerized development and deployment workflows
- Knowledge of secure API design and operational best practices
- Experience with AI/ML pipelines related to OCR or image processing
- Exposure to vector databases (e.g., Qdrant) and embedding-based similarity search
- Familiarity with PyTorch / ONNX for learned image enhancement or embeddings
- Knowledge of vehicle fingerprinting, multi-view embeddings, or related CV problems
- Security best practices around PII handling, image storage, and access control
The Company:
The mission of Domino Technologies, Inc. is to provide clients with IT solutions for their individual business processes that lead to strategic market advantages. Since its founding in 1996, the Domino Tech Team has built a solid record of performance working with clients in the Government and Commercial sectors.
The Perks:
- Excellent Market Salary
- Competitive Benefits
- Paid Holidays and Vacation
- Positive Work-Life Balance
The Location:
Domino Technologies is based in the Harrisburg area the capital city of the Commonwealth of Pennsylvania and the county seat of Dauphin County. Located on the east bank of the Susquehanna River, Harrisburg is the anchor of the Susquehanna Valley metropolitan area.
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