Expert Applications Developer
Confirmed on the employer's own hiring board on Oct 4, 2026. First seen by Alion on Oct 1, 2026.
Description
Markon is building a talent pool of Expert-Level Applications Developers to support future Intelligence Community customer missions. This pipeline opportunity is intended to identify highly experienced candidates to support the development, enhancement, and operations & maintenance (O&M) of systems and initiatives focused on streamlining operations, automating processes, and aligning solutions to enterprise digital architecture. Selected candidates will be considered for future openings aligned to mission and technology modernization priorities.
Responsibilities
The ideal Expert Applications Developer will be responsible for (but not limited to) the following tasks:
Develop software applications as web services using Java, Node JS, Angular with Typescript, Springboot with Hibernate, and messaging, as directed by the sponsor.
Develop and maintain software applications as web services interacting with data stored in Postgres, MySQL, and other relational databases and/or Cloud technologies like AWS.
Develop, upgrade, and maintain APIs and search services with REST-like APIs to communicate with other software applications and databases.
Utilize XML, JSON, or other Sponsor standards for data transfer and metadata management.
Write SQL queries to interact with databases.
Improve search and website usability and accessibility by leveraging enterprise capabilities.
Collaborate with business analysts, UX designers, and other developers to understand project requirements and translate them into technical solutions.
Optimize application performance, ensuring scalability and security.
Troubleshoot and resolve software defects, ensuring a high level of quality and reliability.
Participate in code reviews and contribute to a culture of continuous improvement.
Stay updated with emerging technologies and recommend enhancements to existing applications.
Qualifications
Required:
An active TS/SCI with Full Scope Polygraph (preferrably from this client).
- 10+ years of related application development experience, with an emphasis on leading engineering efforts across the application stack.
Experience in Java, Python, and front-end development using Angular.
Familiarity with relational databases such as Postgres, MySQL, and/or Cloud technologies like AWS.
Experience in API development and working with REST-like APIs.
Experience writing SQL queries.
Ability to collaborate with cross-functional teams to understand project requirements and translate them into technical solutions.
Experience in troubleshooting and resolving software defects.
Experience in an Agile environment.
Desired:
Experience with Microservices architecture.
Familiarity with source code management and integration tools like GitHub/GitLab, Jenkins.
Knowledge of best practices for coding, testing, and deployment.
Experience in improving search and website usability/accessibility.
Ability to recommend technological improvements to existing processes and applications.
Salary Range
USD $170,000.00 - USD $195,000.00 /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