Demo

Backend Developer Senior

Freedom Technology Solutions Group, LLC
St Louis, MO Full Time
POSTED ON 4/7/2026
AVAILABLE BEFORE 5/6/2026
Freedom Technology Solutions Group is seeking a Software Engineer (Backend Developer) to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging client capabilities, including design and development, modernization of existing applications and services, and operations and sustainment. The role focuses on driving the client's adaptation of higher levels of automation and operational efficiency through agile development methodologies, rapid prototyping, and modern technology stacks. The Senior Backend Developer provides comprehensive knowledge across multiple backend and cloud technologies, leading major assignments and guiding project outcomes. Functions as a technical expert and may lead teams of developers.

Responsibilities:

  • Lead the design, development, and deployment of enterprise-scale backend services.
  • Architect and optimize secure DevSecOps pipelines and automated testing frameworks.
  • Direct the migration, scaling, and modernization of applications in AWS environments.
  • Drive geospatial solution integration across enterprise applications.
  • Define technical standards, coding guidelines, and best practices.
  • Supervise development teams and provide technical mentorship.
  • Evaluate performance results and recommend project-wide improvements.
  • Support proposal writing, technical white papers, and client briefings.

Qualifications:

  • 9–13 years of backend development experience.
  • Expert proficiency in Java, JavaScript, and/or Python.
  • Proven leadership in DevSecOps adoption and Agile/SAFe development frameworks.
  • Advanced AWS expertise, including architecture and deployment of containerized applications.
  • Deep experience with geospatial systems and enterprise integration.
  • Strong ability to plan, manage, and deliver complex technology assignments.
  • Using GitLab for code source repository and using GitLab CI/CD.
  • Developing customized code, scripts, modules, macro procedures, or libraries for specialized spatial analysis functions using languages such as Python, Java, JavaScript, PHP, C, C , C#, Perl, or similar.
  • Experience working independently with clients or stakeholders to develop user stories for full-service consumer and business applications.
  • Experience with government and/or commercial imagery products, including SAR or related RADAR imaging technologies.
  • Developing geospatial information systems (GIS) and working with open-source and proprietary geospatial formats.
  • Using and developing common geospatial tools, data, and operating platforms such as: Tools: Boundless Spatial suite, Remote View, PostGRES/PostGIS, Oracle Spatial, ArcGIS Desktop, ArcGIS Server, Image Server, File Geodatabases

Data Formats: KML, KMZ, NITF, TIFF, JPEG, GeoPDF, and similar geo-related formats and data structures

  • Abstracting new or legacy systems via standards-based APIs, including Open Geospatial Consortium standards
  • Developing terrain analysis visualization and algorithms
  • Developing automated detection algorithms
  • Experience with Argo Workflows

What's in It for You?

Flexible work environment

A team mentality – work with friendly, like-minded professionals

Work with innovative, cutting edge technologies

Enjoy Extremely Competitive Compensation And Benefits

A work-life balance you can count on

Opportunities to grow and advance your career on our dime

The Benefits You Get with Freedom

Amazing benefits including matching 401k, fully paid medical, and more

Generous paid time off – including paid site closure days

Competitive salary offerings

Paid training and tuition reimbursement

Referral bonuses

Fully paid life and disability

Annual logo wear allowance

Company sponsored events (game nights, holiday party, summer party, happy hours)

Interested in learning more about Freedom and our culture? Contact us today! We're constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team.

As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status

Applicant Federal & E-Verify Postings

VEVRAA Federal Contractor

Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at

Phone: 410-290-9035

Email: recruiting@goftsg.com

Equal Opportunity Employer, including disabled and veterans.

If you want to view the EEO Law poster, please choose your language: English - Spanish - Arabic - Chinese

If you want to view the EEO Law Supplement poster, please choose your language: English - Spanish - Chinese

If you want to view the Pay Transparency Policy Statement, please click the link: English

Salary.com Estimation for Backend Developer Senior in St Louis, MO
$127,319 to $157,841
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