Human Language Technology Developer

Leidos•Reston, VA

3d•$131,300 - $237,350

About The Position

Leidos is seeking a Human Language Technology (HLT) Developer for an immediate-fill position. The developer will implement strategic objectives to align HLT projects with program, corporate, and customer technical requirements and goals. The role includes planning horizontal integration with other functional areas and ensuring HLT testing, solutions, and schedules are implemented on time. The developer will execute initiatives to refresh and expand HLT solutions, provide technical leadership, and support consistent, high-quality translation, interpretation, and transcription through HLT initiatives.

Requirements

Active TS/SCI with Polygraph.
Bachelor's degree and at least 12 years of relevant experience, or a master's degree and at least 10 years of relevant experience; may possess a doctorate in a technical domain.
At least 3 years of demonstrated knowledge of community translation fundamentals and standard operating procedures.
Recent experience deploying and training machine-learning models.
Ability to work independently and make sound decisions with minimal direction.
Experience working with large, complex data sets.
Experience with deep-learning tools such as PyTorch or TensorFlow.
Proficiency with modern programming languages and tools such as Reactjs, Nodejs, JavaScript/TypeScript, Python, and bash command-line tools.
Proficiency with PostgreSQL and SQL database migrations, schema design, indexing, and query optimization.
Knowledge of machine-learning methodologies and frameworks such as NLTK or SpaCy.
Solid understanding of linguistics, grammar, syntax, and the nuances of human language.
Ability to analyze complex linguistic challenges and develop creative technical solutions.
Knowledge of and experience prototyping or developing human-language-technology components or systems.
Ability to apply state-of-the-art machine-learning techniques to human-language-technology processing challenges.
Excellent written and verbal communication skills, including the ability to explain challenging technical concepts to lay and expert audiences.
Strong interpersonal and cross-cultural communication skills to collaborate with diverse teams and users.
Ability to develop highly innovative solutions through research and integration of best practices.

Nice To Haves

Basic proficiency in one or more foreign languages.
Experience in greenfield software development and building APIs, including FastAPI for AI services.
Experience training machine-translation engineers and/or OCR language models.
Experience modifying open-source code for specific use cases.
Experience training and fine-tuning AI models.
Experience gathering or creating AI training data sets.
Knowledge of containerization for software distribution across diverse system environments.
Experience working with Agile Scrum Development.
Experience supporting and optimizing AI production applications, RAG pipelines, and LangChain/LangGraph for agentic workflows.
Experience working with AWS cloud-computing solutions.

Responsibilities

Develop applications by writing and maintaining source code, applying frameworks involved in software releases, and developing APIs to improve workflow and integrate resources into existing HLT and AI tools.
Design bespoke technical solutions to process challenging or unfamiliar data types.
Recommend, develop, evaluate, and integrate Human Language Technology capabilities.
Provide technical leadership to cross-functional teams developing AI and HLT solutions.
Analyze language-processing needs and recommend innovative solutions for cost and labor efficiency.
Innovate and prototype HLT systems or components based on workflow priorities and operational mission needs.
Recommend and develop technical solutions, products, and standards in support of program strategy and operations.
Evaluate technology solutions in the context of mission data and workflow needs and provide actionable recommendations.
Explain complex ideas to non-technical audiences through briefings and/or white papers.
Serve as a leading voice on HLT within the customer and Leidos organization.
Mentor new program employees in HLT.
Integrate Leidos technology into program HLT efforts as appropriate.
Work across the program and with the customer to ensure consistent, quality translation, interpretation, and transcription support through HLT initiatives.