Senior Back End Developer Jobs in Reston, VA (NOW HIRING)

General information
Job Posting Title
Senior Back-End Developer
Date
Monday, April 13, 2026
City
Remote
Country
United States
Working time
Full-time
Description & Requirements
Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. Requires expertise in specialty area.
This position is contingent upon award of the contract. This position requires an active Secret Security clearance or higher.
Although this position may be performed remotely, occasional paid travel may be required to the client location in either San Antonio, Texas or Baltimore, Maryland.
Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS203, T5, Band 8
Job-Specific Essential Duties and Responsibilities:
- Provides subject matter proficiency for work described in the task.
- Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements.
- Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties.
- Requires expertise in specialty areas.
- Shall perform engineering tasks for back-end design and development efforts, including but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, and data model development and optimization.
Job-Specific Minimum Requirements:
- An active Secret clearance or higher is required.
- 10 years of overall experience in the functional area.
- A bachelor's degree in related field required.
- A master's degree may substitute for 2 years of experience.
- 10 years of software development experience in object-oriented and scripted languages (see section 4.2) with the ability to apply several tool suites related to DevSecOps, microservices and containers.
- 5 years of recent and relevant experience performing back-end web design and development.
- Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
- Demonstrated experience in relational databases, RESTful API development and integration.
- 5 years experience in Python and PostgreSQL.
- 5 years of experience with bug tracking software (e.g., Jira).
- 5 years of experience testing web-based applications.
- 5 years of experience leading software development programs or projects.
- Practical experience developing in a cloud environment.
- 3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.
- 10 years of experience with Relational databases with at least 5 years of PostgreSQL applied experience.
- 5 years of experience with at least five (5) of the following:
- BASH
- Spring
- Ansible
- JUnit5
- Nexus Repository
- Maven
Preferred Skills and Qualifications:
- Experience with integrating data from unclassified to classified application deployments.
- 5 years of experience with DoD software development.
- Experience using Agile Test-Driven development.
- Experience integrating into DoD DevSecOps environments.
- 5 years experience with CI/CD software development.
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Minimum Requirements
TCS203, T5, Band 8
EEO Statement
Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics.
Pay Transparency
Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus's total compensation package. Other rewards may include short- and long-term incentives as well as program-specific awards. Additionally, Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Maximus will comply with regulatory minimum wage rates and exempt salary thresholds in all instances.
Accommodations
Maximus provides reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment process-including accessing job postings, completing assessments, or participating in interviews,-please contact People Operations at applicantaccom@maximus.com.
Minimum Salary
$
145,000.00
Maximum Salary
$
170,000.00