Senior Back End Python Developer

About DMI DMI is a leading global provider of digital services working at the intersection of public and private sectors. With broad capabilities across IT managed services, cybersecurity, cloud migration and application development, DMI provides on-site and remote support to clients within governments, healthcare, financial services, transportation, manufacturing, and other critical infrastructure sectors. DMI has grown to over 2,100 employees globally and has been continually recognized as a Top Workplace in both regional and national categories. About the Opportunity DMI, LLC is seeking a Senior Back-End Developer to join us. As a Senior Back-End Python Developer, you will be responsible for designing, building, and optimizing the back-end services that ingest, process, and model large datasets across telecom, expense, asset, and ITSM data in multiple formats including CSV, XLS/XLSX, PDF, EDI, JSON, XML, Fixed-width files, and Database Exports. This is a highly collaborative role that will involve working closely with product managers, data engineers, and front-end developers to create solutions that drive meaningful insights for our customers. Your expertise in data engineering and back-end development will ensure the successful handling of high-volume data, improving data quality, and enabling advanced analytics. Duties and Responsibilities: Data Ingestion: Design and implement robust data pipelines to ingest telecom, expense, asset, and ITSM data from various sources, ensuring the systems can handle large data volumes and multiple formats. Data Parsing: Build efficient, scalable parsers for raw data that can handle complex data structures, including unstructured and semi-structured data (e.g., invoices, CDR records, and ITSM logs). Data Modeling: Create and maintain data models to support telecom expense management, IT asset management, and IT service management (ITSM) workflows. Ensure the data models are optimized for querying and reporting by internal teams and external customers. Performance Optimization: Write clean, scalable, and maintainable code that ensures optimal performance and responsiveness under increasing loads. Data Validation and Quality Control: Implement strong data validation techniques to ensure the accuracy and integrity of ingested and processed data. Develop monitoring systems to track the health of data pipelines and processes. Collaboration: Work closely with the front-end development team, product managers, and DevOps to ensure seamless integration and delivery of features. Testing & Debugging: Write unit and integration tests to ensure high code quality and troubleshoot and debug production issues as they arise. Cloud Deployment: Deploy and manage backend services in AWS or other cloud environments, leveraging cloud-native tools for scalability and reliability. Documentation: Maintain clear and concise documentation for all backend processes, APIs, and database interactions. Qualifications Education and Years of Experience: Bachelor’s Degree in Computer Science , Software Engineering , or a related field, or equivalent practical experience. Experience: 5 years of experience as a Back-End Developer working on SaaS applications. Required and Desired Skills/Certifications: Proficiency in Python: Strong experience with Python development, especially for back-end services and data manipulation. API Development: Proven experience building and managing RESTful APIs and integrating with third-party services. Data Pipeline Expertise: Experience building data pipelines and ETL workflows for ingesting, cleaning, and processing large volumes of structured and unstructured data. Data Parsing: Proficiency in developing parsers for complex data formats, including telecom billing data (e.g., call detail records), IT asset data, and ITSM records. Data Modeling: Experience in creating and optimizing data models for querying, reporting, and analytics in the domains of telecom expense, asset management, and ITSM. Big Data Tools: Experience with big data tools such as Hadoop, Spark, or Kafka for handling large-scale data ingestion and processing. Agile Development: Experience working in Agile/Scrum environments, actively participating in sprint planning, standups, and retrospectives. Version Control & Collaboration: Proficiency in Git and working with collaborative development platforms such as GitHub or Bitbucket. Testing and Debugging: Strong experience in writing and maintaining tests for back-end code, ensuring high quality and performance of the product. Min Citizenship Status Required: Must be a U.S. Citizen Physical Requirements: Prolonged periods of sitting and working on a computer. Ability to use a keyboard, mouse, and monitor for extended periods. Visual acuity to perform activities such as reading technical documents, coding, and reviewing designs on screens. Ability to communicate effectively with team members through digital collaboration tools (e.g., video calls, emails, chat platforms). May occasionally be required to lift and carry lightweight materials (up to 10 lbs) like laptops, manuals, or documents. The capability to travel and work from the office in a full time capacity. Location: Cincinnati, OH LI-SP1 Working at DMI: DMI is a diverse, prosperous, and rewarding place to work. Being part of the DMI family means we care about your wellbeing. We offer a variety of perks and benefits that help meet various interests and needs, while still having the opportunity to work directly with several of our award-winning, Fortune 1000 clients. The following categories make up your DMI wellbeing: Convenience/Concierge - Virtual visits through health insurance, pet insurance, commuter benefits, discount tickets for movies, travel, and many other items to provide convenience. Development – Annual performance management, continuing education, and tuition assistance, internal job opportunities along with career enrichment and advancement to help each employee with their professional and personal development. Financial – Generous 401k matches both pre-tax and post-tax (ROTH) contributions along with financial wellness education, EAP, Life Insurance and Disability help provide financial stability for each DMI employee. Recognition – Great achievements do not go unnoticed by DMI through Annual Awards ceremony, service anniversaries, peer-to-peer acknowledgment, employee referral bonuses. Wellness – Healthcare benefits, Wellness programs, Flu Shots, Biometric screenings, and several other wellness options. Employees are valued for their talents and contributions. We all take pride in helping our customers achieve their goals, which in turn contributes to the overall success of the company. The company does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans, and to treat qualified individuals without discrimination based on their physical or mental disability or veteran status. DMI is an Equal Opportunity Employer Minority/Female/Veterans/Disability. DMI maintains a drug-free workplace. No Agencies Please Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.