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Adaptive Solutions Group
http://www.adaptivesg.com
http://www.adaptivesg.com
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Back-End & API Developer
2350 Market Street St. Louis, MO 63103 US
Posted: 12/03/2025
2025-12-03
2026-03-14
Employment Type:
Contract
Job Category: Software Development
Job Number: 17360
Job Description
Back-End & API Developer
Adaptive Solutions Group is a premier provider of information technology personnel. We provide a variety of technical professionals available for contract, contract to hire, or direct placement positions to companies in and around the St. Louis and Kansas City areas.
We are currently seeking a Back-End & API Developer to join a client team.
Responsibilities
Adaptive Solutions Group offers a competitive compensation and benefits package that includes medical, dental, short term and long term disability, life insurance coverage, 401k, paid vacation, and paid holidays.
Adaptive Solutions Group is a premier provider of information technology personnel. We provide a variety of technical professionals available for contract, contract to hire, or direct placement positions to companies in and around the St. Louis and Kansas City areas.
We are currently seeking a Back-End & API Developer to join a client team.
Responsibilities
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Design, develop, and maintain back-end services and RESTful APIs using modern development frameworks.
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Apply MVC and microservices architecture patterns to support scalable application design.
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Ensure performance, reliability, and security of application services.
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Collaborate with other developers, technical leads, and stakeholders to deliver solutions.
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Integrate application services with enterprise platforms and third party systems.
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Participate in Agile development processes including planning, development, testing, and deployment.
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Support system transitions, enhancements, and ongoing maintenance efforts.
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Contribute to documentation, knowledge sharing, and continuous improvement initiatives.
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Four to six years of experience in back-end application development.
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Strong experience with .NET Core and C# development.
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Proven experience building and supporting RESTful APIs.
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Strong understanding of data modeling and database design.
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Knowledge of enterprise integration patterns and security best practices.
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Ability to work collaboratively in a team based development environment.
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Strong problem solving and analytical skills.
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Authorized to work in the United States without current or future sponsorship requirements.
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Experience with database optimization and secure data handling practices.
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Familiarity with work tracking or DevOps tools such as Jira or Azure DevOps.
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Experience supporting Agile delivery teams.
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Relevant technical certifications.
Adaptive Solutions Group offers a competitive compensation and benefits package that includes medical, dental, short term and long term disability, life insurance coverage, 401k, paid vacation, and paid holidays.
Job Requirements
REST, MVC, .NET, C#
