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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI / Data scientist (Performance / Model Maintenance) - **Company:** Hathiant LLC - **Location:** Herndon, VA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Training Data, ASP.NET, XML Schema, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cyber Security, Information Engineering, Disaster Recovery, Machine Learning, Systems Development Life Cycle, Software Vulnerability Management, Web Applications, Extensible Markup Language (XML), Google Cloud, Feature Engineering, Adobe, Information Technology, Machine Learning Operations, Smart Forms - **Published:** June 17, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=e0f5f05555d247d4 ## About the Role Do you have experience in XML?, The selected candidate will support the operation, maintenance, enhancement, modernization, security, performance, and user experience of the Grants.gov system. This work supports a mission-critical federal platform used by applicants, grantors, federal agencies, and partner systems across the grants lifecycle. Candidates should be comfortable working in a structured federal IT environment with strong emphasis on service continuity, stakeholder responsiveness, documentation, quality, security, accessibility, and disciplined delivery. Ideal candidates will bring experience supporting federal IT programs, public-facing web applications, grants management systems, cloud-hosted environments, Agile/SDLC delivery, system operations, application support, testing, cybersecurity, communications, or related technical and program functions. Prior experience with Grants.gov, federal grants systems, HHS, government shared services, or high-volume public-sector platforms is strongly preferred. Preferred Grants.gov / Federal Grants Experience, * Conversational analytics, missed-intent mining, content quality scoring, generative response tuning governance, safe-use controls * Must be able to perform monthly tuning cycles * Quarterly FAQ update reports * Performance trend analysis impacting program budgets * Degree in information technology, computer science, or related. * 5 years or more of related experience required., Prolonged periods sitting at a desk and working on a computer. * Must be able to lift up to 15 pounds at times. ## Description * Grants.gov, GrantSolutions, or other federal grants management platforms. * Federal discretionary grants lifecycle, including funding opportunity posting, application package creation, applicant submission, agency download, forms, validations, and acknowledgements. * Public-facing government websites or shared service platforms with large user communities. * System-to-system interfaces supporting applicant systems, grantor systems, partner systems, or external federal integrations. * Federal forms development, Adobe/XDP/PDF forms, XML schemas, web forms, form validation, and Section 508 accessibility. * HHS, OMB, GAO, OIG, congressional data calls, federal stakeholder reporting, or executive-level federal communications. * Federal cloud, ATO, POA&M remediation, vulnerability management, disaster recovery, and operational continuity. Responsibilities include but are not limited to: * Continuously track model accuracy, precision, recall, F1-score, and other KPIs to detect degradation or drift * Curate and maintain gold-standard datasets, audit training data for bias or fairness gaps, and implement checks to catch data drift * Schedule and execute retraining pipelines, update models with new data, and validate performance before deployment * Tune hyperparameters, refine feature engineering, and apply MLOps practices to improve efficiency and scalability * Deploy models into production environments (cloud platforms like AWS, GCP, Azure) and integrate with APIs, dashboards, or downstream systems * Investigate performance drops or failures, identify data or model issues, and implement corrective actions * Work closely with ML Engineering, Data Engineering, Product, and Legal teams to align model quality with business and compliance requirements * Maintain clear records of model versions, performance trends, and maintenance activities for audit and stakeholder review. ## Related Videos - [3x Performance: A Humbling Journey](https://www.wearedevelopers.com/videos/100165-3x-performance-a-humbling-journey) - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [From Bedside Beeps to Interoperable Bytes – Getting your medical devices ready to talk the IEEE 11073 language](https://www.wearedevelopers.com/videos/771-from-bedside-beeps-to-interoperable-bytes-getting-your-medical-devices-ready-to-talk-the-ieee-11073-language) - [Best practices: Building Enterprise Applications that leverage GenAI](https://www.wearedevelopers.com/videos/1513-best-practices-building-enterprise-applications-that-leverage-genai) - [NoCode LiveCode: Leveraging AI Tools to Craft Fully Functional Apps!](https://www.wearedevelopers.com/videos/1169-nocode-livecode-leveraging-ai-tools-to-craft-fully-functional-apps) - [Scrape, Train, Predict: The Lifecycle of Data for AI Applications](https://www.wearedevelopers.com/videos/1652-scrape-train-predict-the-lifecycle-of-data-for-ai-applications) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 119 - ❤️ === ❤️](https://www.wearedevelopers.com/magazine/454-dev-digest-119) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this)