Software Engineer III

Reflexive ConceptsFort Meade, MD

About The Position

Reflexive Concepts is seeking a skilled Software Engineer III to join our team! The Software Engineer will be responsible for evolving an existing Streamlit-based UI prototype into a production-grade interface, with a roadmap toward extending availability beyond the corporate enterprise. The role blends modern front-end development with the data-engineering and big-data tooling that powers the BEAREXPRESS mission within HPDA.

Requirements

  • Active TS/SCI + FS Polygraph
  • Master's degree in Computer Science or related discipline from an accredited college or university, plus 5 years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus 7 years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR 9 years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
  • Experience using the Linux CLI and Linux tools
  • Experience developing Bash scripts to automate manual processes
  • Recent software development experience using Python and Java
  • Familiar with Streamlit, a Python framework for building interactive web applications
  • Experience developing front-end applications using TypeScript, HTML, and CSS
  • Experience with JavaScript frameworks such as React, Angular, and Vue
  • Familiar with Distributed Big Data processing engines including Apache Spark
  • Experience using Jupyter Notebook
  • Experience with data wrangling and preprocessing using tools such as pandas, NumPy
  • Experience working with structured, semi-structured, and unstructured data such as Parquet, JSON, CSV, XML
  • Familiarity with data quality concepts, data validation, and anomaly detection
  • Experience with Git Source Control System

Nice To Haves

  • Experience using Apache Airflow (DAG design, scheduling, operators, sensors) to orchestrate, schedule, and monitor complex workflows
  • Experience with SQL technologies such as MySQL, MariaDB, and PostgreSQL for querying, joining, and aggregating large datasets
  • Familiar with HPC Job Scheduling tools including Slurm
  • Experience using the Atlassian Tool Suite (JIRA, Confluence)
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