Software Engineer Iii

Markon's partner company is seeking an experienced Software Engineer III to design, develop, enhance, and deploy complex software systems in support of mission-critical programs. This role includes enhancing an existing Streamlit-based UI prototype and evolving it into a scalable interface, with future plans to extend availability beyond the corporate enterprise.

The ideal candidate brings strong full-stack development expertise, experience working with large and diverse datasets, and the ability to lead technical efforts across teams.

Responsibilities

Software Engineering & Development

• Analyze user requirements and derive software design and performance requirements
• Design, develop, test, deploy, document, maintain, and enhance complex software systems
• Enhance and expand an existing Streamlit-based UI prototype into a production-ready interface
• Develop front-end applications using TypeScript, HTML, CSS, and modern JavaScript frameworks (React, Angular, Vue)
• Develop backend services and analytics using Python and Java
• Develop and implement algorithms to meet performance and functional standards
• Integrate software into new or existing systems and operating environments
• Modify existing software to improve performance or adapt to new hardware or environments
• Develop relational and non-relational database applications
• Work with event-driven and data-driven analytics systems
• Support cloud-based solution development

Data & Analytics Support

• Work with distributed big data processing engines such as Apache Spark
• Use Jupyter Notebook for development and analysis
• Perform data wrangling and preprocessing using tools such as pandas and NumPy
• Work with structured, semi-structured, and unstructured data formats (Parquet, JSON, CSV, XML)
• Apply data validation, anomaly detection, and data quality concepts
• Develop data queries for existing and proposed databases

Systems & Technical Leadership

• Debug and resolve software defects
• Develop and execute test procedures
• Perform Unix/Linux development and shell scripting
• Utilize Git for source code management
• Contribute to system design decisions including hardware/software trade-offs and software reuse (OSS/COTS/GOTS)
• Provide technical leadership to development teams as appropriate
• Recommend new technologies and process improvements
• Ensure quality control of developed and modified software
• Coordinate with system and hardware engineers to derive requirements and ensure integration

Qualifications

• Active TS/SCI w/ Polygraph
• Master's degree in Computer Science or related field + 5 years of relevant experience or
  • Bachelor's degree in Computer Science or related field + 7 years of relevant experience
  • 9 years of relevant Software Engineering experience

• Strong Linux CLI experience and Unix shell scripting (Bash)
• Recent hands-on development experience in Python and Java
• Experience with Streamlit for building interactive web applications
• Experience with front-end development using TypeScript, HTML, CSS
• Experience with JavaScript frameworks (React, Angular, Vue)
• Experience with Apache Spark or similar distributed processing engines
• Experience using Jupyter Notebook
• Experience with data wrangling tools (pandas, NumPy)
• Experience working with multiple data formats (Parquet, JSON, CSV, XML)
• Experience with Git source control
• Experience working in Agile development environments

Desired Qualifications

• Experience with Apache Airflow (DAG design, scheduling, operators, sensors)
• Experience with SQL databases (MySQL, MariaDB, PostgreSQL)
• Familiarity with HPC job scheduling tools such as Slurm
• Experience with Atlassian tools (Jira, Confluence)

Salary Range

USD $160,000.00 - USD $210,000.00 /Yr.

The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Overview

Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.

At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.

Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

Markon values people and the tremendous impact each individual can make - which is why we're consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation's most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients' missions.

Join us and make a meaningful impact.

Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.