Senior Back End Developer

Description & Requirements

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
:
Thursday, February 19, 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 position is onsite five days a week in San Antonio, TX, and requires a TS/SCI security clearance
.

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS
197, T5, Band 8

• 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 architecture, 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.

• 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.
• 10 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.
• 5 years of experience performing back-end web design and development.
• 10 years of experience in relational databases, RESTful API development and integration.
• 5 years of experience in Python and Postgre
  
  SQL.
• 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.
• 3 years of experience with the following: AWS Infrastructure, Kubernetes, and Red Hat Linux.
• 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 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.
• 5 years of experience with DoW software development.
• 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.

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TCS
197, T5, Band 8

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,…