Back End Developer – Mid-level

Overview

Maximus is a trusted federal partner supporting mission‑critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus’ role as a reliable prime for high‑impact government missions. Joining Maximus means contributing to meaningful work in fast‑paced environments alongside professionals committed to service, accountability, and results.

Date
:
Wednesday, February 18, 2026
City
:
San Antonio
State
: TX
Country
:
United States
Working time
:
Full-time

This position is contingent upon contract award and position availability. Selected candidates will receive a contingent offer of employment, which will become final only upon successful contract award to Maximus, availability of the position, and receipt of authorization to proceed.

This role is onsite five days a week in San Antonio, Texas, and requires an active TS/SCI security clearance.

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS
196, T4, Band 7

• Provides subject matter proficiency supporting back-end software development activities.
• Applies analytical skills supporting process improvement, specialized studies, and requirements definition.
• Performs analysis, planning, and development of requirements documents and functional models.
• Designs and develops back-end architectures supporting system capabilities and integrations.
• Develops and modifies RESTful APIs supporting application functionality.
• Performs database management, data modeling, and optimization.
• Supports testing and validation to verify system operability and compliance.
• Participates in Agile program increment (PI) planning and activities requiring periodic travels.

• Active TS/SCI clearance is required.
• Must be able to report on-site in San Antonio, TX up to five days per week based on customer requirements.
• Bachelor’s degree in related field required.
• A Master’s degree may substitute for 2 years of experience.
• 7 years of software development experience in object-oriented and scripted languages with the ability to apply several tool suites related to Dev Sec Ops , microservices and containers.
• 3 years of experience with bug tracking software (Jira).
• 3 years of experience testing web-based applications.
• 3 years of experience participating in software development programs or projects.
• 3 years of experience performing back-end web design and development.
• 3 years of experience with the following: AWS Infrastructure, Kubernetes, and Red Hat Linux.
• 5 years of experience with Jenkins and Git Lab.
• 5 years of experience with at least five (5) of the following:
• Postgress
• RDS
• Exodus
• Python
• Luna
• Java
• Docker
• OpenJDK
• Ansible
• Packer
• Maven
• Kubernetes
• Red Hat
• Demonstrated experience with relational databases, RESTful API development and communication, and system integrations.
• Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
• Practical experience developing in a cloud environment.
• Experience with integrating data from unclassified to classified application deployments.

• Experience using Agile Test-Driven development.
• Experience integrating into DoW Dev Sec Ops  environments.
• 5 years of experience with CI/CD software development.
• Demonstrated experience in utilizing UX design tool suites (e.g., Sketch, InVision).
• Experience structuring data so it can be integrated into machine learning technologies or AI capabilities.

Minimum Requirements
TCS
196, T4, Band 7

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.

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…