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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Mid-Level Senior-Level (2 Openings) - **Company:** ActioNet, Inc. - **Location:** Vienna, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Web Accessibility, Application Programming Interfaces (APIs), User Authentication, Cloud Computing, Data Security, Software Debugging, Microsoft SQL Server, Oracle (Applications), Release Management, Secure Coding, Software Engineering, Management of Software Versions, Web Applications, Web Services, Data Processing, Cloud Platform System, Software Troubleshooting - **Published:** August 11, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/software-engineer-mid-level-senior-level-2-openings-vienna-va-usa-58896749 ## About the Role Experteer Overview In this role, you will design, develop, implement, and maintain enterprise-scale, interactive web applications as part of a dynamic team. You'll translate business needs into secure, scalable solutions using full-stack skills with Java and/or .NET, Oracle, and SQL Server, while embracing cloud environments and secure coding practices. You'll contribute to the software lifecycle and collaborate with cross-functional stakeholders to deliver high-performing applications. This opportunity offers growth into senior technical leadership and a chance to impact mission-critical systems. Compensation / Benefits * design and implement enterprise-scale web applications * translate business requirements and technical specs into secure, scalable software * develop and maintain web services and APIs * address data processing, reporting, and authentication/security integration * participate in software lifecycle activities (testing, documentation, versioning, release management) * work with cloud-based environments and modernization efforts * debug, troubleshoot, and resolve architectural and development issues Tasks * 5+ years (Mid-Level) or 7+ years (Senior-Level) of full-stack software engineering experience * proficiency with Java and/or .NET * experience with Oracle and Microsoft SQL Server * development of web services and APIs * cloud computing experience * knowledge of accessibility, data security, and authentication standards * strong troubleshooting and problem-solving skills * ability to mentor and provide guidance on complex projects (Senior) Key requirements * ## Description Experteer Overview In this role, you will design, develop, implement, and maintain enterprise-scale, interactive web applications as part of a dynamic team. You'll translate business needs into secure, scalable solutions using full-stack skills with Java and/or .NET, Oracle, and SQL Server, while embracing cloud environments and secure coding practices. You'll contribute to the software lifecycle and collaborate with cross-functional stakeholders to deliver high-performing applications. This opportunity offers growth into senior technical leadership and a chance to impact mission-critical systems. Compensation / Benefits * design and implement enterprise-scale web applications * translate business requirements and technical specs into secure, scalable software * develop and maintain web services and APIs * address data processing, reporting, and authentication/security integration * participate in software lifecycle activities (testing, documentation, versioning, release management) * work with cloud-based environments and modernization efforts * debug, troubleshoot, and resolve architectural and development issues Tasks * 5+ years (Mid-Level) or 7+ years (Senior-Level) of full-stack software engineering experience * proficiency with Java and/or .NET * experience with Oracle and Microsoft SQL Server * development of web services and APIs * cloud computing experience * knowledge of accessibility, data security, and authentication standards * strong troubleshooting and problem-solving skills * ability to mentor and provide guidance on complex projects (Senior) Key requirements * ## Related Videos - [How to Cause (or Prevent) a Massive Data Breach- Secure Coding and IDOR](https://www.wearedevelopers.com/videos/39-how-to-cause-or-prevent-a-massive-data-breach-secure-coding-and-idor) - [Developer Time Is Valuable - Use the Right Tools - Kilian Valkhof](https://www.wearedevelopers.com/videos/1792-developer-time-is-valuable-use-the-right-tools-kilian-valkhof) - [Crypto-secure Data Management with In-Database Blockchain](https://www.wearedevelopers.com/videos/632-crypto-secure-data-management-with-in-database-blockchain) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Rust Beyond Systems: Revolutionizing Web Development](https://www.wearedevelopers.com/videos/1111-rust-beyond-systems-revolutionizing-web-development) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) ## Related Articles - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)