Software Engineer – Level 1

Markon

Software Engineer 1 developing and enhancing full-stack applications for enterprise data transformation at Markon. Collaborating in Agile teams to support data management and integration initiatives.

Posted 6/9/2026full-timeAnnapolis Junction • Maryland • 🇺🇸 United StatesSeniorLead💰 $160,000 - $180,000 per yearWebsite

Tech Stack

Tools & technologies

ETLJavaJavaScriptTypeScript

About the role

Key responsibilities & impact

Develop, test, and maintain full-stack software applications supporting enterprise data initiatives
Support the development of middle-tier services and backend data storage solutions
Assist with ETL (Extract, Transform, Load) development and data processing workflows
Develop and maintain APIs, web services, and application components
Collaborate with engineers, architects, and stakeholders to implement technical solutions and mission requirements
Participate in Agile development activities, including sprint planning, code reviews, testing, and deployment
Troubleshoot and resolve software defects and performance issues
Develop and maintain technical documentation and software artifacts
Support system integration, deployment, and sustainment activities
Contribute to continuous improvement efforts and software modernization initiatives

Requirements

What you’ll need

Active TS/SCI w/ Polygraph with this Customer.
Bachelor’s degree and 7+ years of software engineering experience
Experience developing applications using Java and JavaScript
Experience developing middle-tier and backend application components
Experience supporting ETL development and data processing solutions
Experience developing RESTful APIs and web services
Experience working with relational and/or non-relational databases
Experience working in Agile development environments
Experience with source code management tools such as Git
Strong analytical, troubleshooting, and problem-solving skills
Excellent written and verbal communication skills
Ability to work effectively in a collaborative, fast-paced environment.

Benefits

Comp & perks

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
Holidays

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaJavaScriptETLRESTful APIsweb servicesrelational databasesnon-relational databasesAgile developmentsoftware engineeringsoftware testing

Soft Skills

analytical skillstroubleshooting skillsproblem-solving skillswritten communicationverbal communicationcollaborationadaptabilityfast-paced environment

Certifications

TS/SCI w/ PolygraphBachelor's degree