{"id":4199059,"url":"https://alion.io/job/falls-technology-data-scientist-software-engineer-nlp-java-expert-tssci-w-poly","title":"Data Scientist / Software Engineer (NLP & Java) – Expert | TS/SCI w/ Poly","company":{"id":4483010,"name":"Falls Technology","domain":"fallstechnology.com","url":"https://alion.io/company/falls-technology","size_band":null,"is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["McLean, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Tomcat","optional":false},{"name":"AWS","optional":false},{"name":"Gensim","optional":false},{"name":"Git","optional":false},{"name":"Hugging Face","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Keras","optional":false},{"name":"Linux","optional":false},{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"NLTK","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"spaCy","optional":false},{"name":"Spring Data JPA","optional":false},{"name":"SQL","optional":false},{"name":"TensorFlow","optional":false},{"name":"Transformers","optional":false},{"name":"CI/CD","optional":true},{"name":"Fine-tuning","optional":true},{"name":"Gradle","optional":true},{"name":"LLM","optional":true},{"name":"Maven","optional":true}],"status":"live","first_seen_at":"2026-10-12T00:00:00Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-11-12T21:31:02Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"Active TS/SCI with Polygraph required. U.S. citizenship required.\nLocation: On-site in McLean, VA (Full-Time).\nBridge data science and production software. You'll build NLP and machine learning capabilities in Python and ship them inside Java/Spring applications on AWS for a federal national-security mission.\nWhat you'll do\nBuild NLP capabilities with spaCy, Gensim, NLTK and Hugging Face Transformers\nDevelop and integrate deep learning models in PyTorch, TensorFlow or Keras\nBuild backend services in Java, Spring and Spring Data JPA on Oracle/SQL\nDeploy on AWS and Linux with Git, Jenkins and Apache Tomcat\nIntegrate models into operational applications and workflows\nWhat you bring (required)\nActive TS/SCI with Polygraph\nStrong Python and NLP experience (spaCy, Gensim or NLTK)\nPyTorch, TensorFlow or Keras\nSQL\nLinux, Git and AWS\nNice to have\nStrong Java: Spring, Spring Data JPA, multithreading, JVM tuning\nMaven/Gradle, Jenkins CI/CD, Oracle, Tomcat\nText classification, topic modeling or LLM fine-tuning\nGPU workloads\nWhy Falls\nA 9% retirement contribution, 100% of family medical premiums paid, and 4 weeks of PTO. We're a small business that's been delivering since 2019, so your work is visible and your voice counts.\nFalls Technology is an Equal Opportunity Employer. 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