> Markdown version of [/jobs/ext/1778694-senior-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/1778694-senior-full-stack-developer). 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). --- # Senior Full Stack Developer - **Company:** Synergy Ecp Llc - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $165,000.0 - $195,000.0 - **Contract:** Permanent contract - **Skills:** Application Lifecycle Management, Big Data, Software Engineering, Information Technology - **Published:** July 31, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=fa934386320232fe ## About the Role * Proven experience in software development and application management. * Strong knowledge of application design, development, testing, and management. * Experience with programmatic integration of third-party components. * Proficiency in modifying existing code and introducing new custom capabilities. * Ability to recommend and implement process improvements and automation. * Experience with large-scale data processing, statistical modeling, and advanced analytics. * Strong understanding of the software development life cycle, including planning, requirements, development, testing, and quality assurance. * Excellent problem-solving and analytical skills. * Strong communication and interpersonal skills. * Bachelor's Required * 8 years of experience Preferred Skills: * Experience working under the direction of lead architects. * Familiarity with technical project milestone reviews and code architecture sessions. * Knowledge of resource estimation and development best practices. * Ability to transfer knowledge and mentor team members. Security Clearance requirement: Must possess active TS/SCI clearance to be considered for this role. ## Description The Senior Full Stack Developer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy applications under the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics. This role participates in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance., * Design, develop, test, and manage application development projects in support of IT infrastructure. * Integrate third-party components programmatically and introduce new custom capabilities. * Modify existing code to enhance functionality and performance. * Recommend process improvements and automate operations and maintenance tasks. * Develop and implement technical efforts to design, build, and deploy applications under the direction of lead architects. * Work on large-scale data processing, computationally intensive statistical modeling, and advanced analytics. * Participate in all aspects of the software development life cycle, including planning, requirements, development, testing, and quality assurance. * Conduct technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer. ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Official Opening of WeAreDevelopers World Congress 2026](https://www.wearedevelopers.com/videos/100000-official-opening-of-wearedevelopers-world-congress-2026) - [It's not easy being green](https://www.wearedevelopers.com/videos/558-it-s-not-easy-being-green) - [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) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside) ## Related Articles - [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) - [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) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)