> Markdown version of [/jobs/ext/1819091-experienced-software-development-engineer-in-saint-louis](https://www.wearedevelopers.com/jobs/ext/1819091-experienced-software-development-engineer-in-saint-louis). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Experienced Software Development Engineer in Saint Louis

- **Company:** Energy Jobline
- **Location:** Saint Louis, OK, United States
- **Experience:** Experienced
- **Salary:** $126,650.0 - $171,350.0
- **Contract:** Contract
- **Skills:** HTML, Java (Programming Language), .NET Framework, Microsoft Windows, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Cyber Security, Computer Programming, Database Design, Software Debugging, Linux, Embedded Software, Object-Oriented Software Development, Software Architecture, Software Engineering, SQL Databases, Subsystems, Systems Integration, Git, Kubernetes, Information Technology, Docker
- **Published:** July 1, 2026
- **Apply:** https://www.energyjobline.com/job/experienced-software-development-engineer-saint-louis-31005630

## About the Role

* Bachelor's Degree
 * Ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship
 * 5+ years of experience with Object Oriented Design and Programming in a high-level like C#, .NET, Java, SQL, HTML, and CSS
 * 5+ years of experience with software development on Windows or Linux
 * 5+ years of experience developing software for containerized architectures (Docker, Podman, Kubernetes)
 * 5+ years of experience in Git
 * 5+ years of experience developing software products in a cloud environment, * Level 3: Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor's Degree and 9+ years of directly related work experience OR 13+ years of related, relevant experience
 * 2+ years of experience in cyber security
 * Working knowledge of specification formats, robust change control practices, and how standards drive aircraft/product certification and compliance strategies
 * Proven ability to lead requirements derivation and allocation across system, subsystem, and software levels and demonstrate complete traceability throughout the lifecycle
 * Strong expertise in software architecture and design methodologies; able to define and validate architectures that meet complex requirements and constraints
 * Advanced capability to architect, build, integrate, optimize, and debug software components across diverse host environments; leads resolution of complex, cross-cutting issues
 * Proficiency across multiple programming paradigms and (higher-order, auto-coded, and assembly), plus strong database design/use and performance considerations
 * Deep experience designing and overseeing implementation, validation, and verification strategies; expert use of development/test toolchains and process improvement
 * Broad domain mastery of systems that influence software architecture and integration (aircraft, missiles, airborne/shipboard/space/ground systems); anticipates and mitigates constraints such as OS limitations, fidelity, and processing capacity, English, Bachelor's Degree or Equivalent Required, This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.

## Description

* Design, develop, test, and maintain non-embedded software across the full lifecycle, ensuring compliance with industry, customer, safety, and regulatory requirements
 * Translate customer needs and requirements into initial software designs and implementation plans
 * Develop, document, and maintain software architectures, algorithms, interfaces, and detailed designs
 * Develop, integrate, and optimize software products and system integrations, including supplier-supplied components
 * Debug complex issues, lead root-cause analysis, and implement corrective actions to ensure product reliability and performance
 * Respond to user inquiries, troubleshoot technical problems, and incorporate user feedback into improvements
 * Research and evaluate current and emerging technologies, tools, and frameworks; recommend and implement relevant solutions
 * Establish, monitor, and improve software processes, tools, and key performance metrics to align with organizational goals and industry benchmarks
 * Plan, execute, and document software research and development initiatives


## Related Videos

- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94)
- [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company)
- [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews)

## Related Articles

- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)
- [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-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)
- [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)
- [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023)