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mid level java developer jobs in o fallon, il

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  • Mid-Level Backend Software Engineer

    Leidos —St. Louis, MO

    Bachelor’s degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master’s degree with 2–6 years of experience.

    $87,100 - $157,450 a year

  • Chenega Agile Real-Time Solutions —O'Fallon, IL

    Possession of an AWS Certified Developer - Associate certification is a strong plus. Ability to provide technical assistance and support over the phone; good…

    $75,000 - $100,000 a year

    12d

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  • The Hartford —Columbus, OH

    Hands-on experience with Generative AI and Agentic AI technologies — including working with large language models (LLMs), AI agents, prompt engineering, vector…

    $116,000 - $174,000 a year

  • Deloitte —Columbus, OH

    Understanding the benefits of using state of the art methods and tools and their application on a particular engagement contributes to continuous development of…

    $122,000 - $240,500 a year

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