Full Stack Developer

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🏛️ District of Columbia, Washington – Remote

🏛️ District of Columbia – Remote ☕ Washington – Remote

💵 $110k - $114k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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Concept Solutions, LLC

WebsiteLinkedInAll Job Openings

51 - 200 employees

🔒 Cybersecurity

💼 Consulting

Cybersecurity • Consulting

Concept Solutions, LLC is a company that creates and supports mission-critical solutions aimed at enhancing national safety, specializing in IT and management consulting, Cyber Security, GIS applications for Aviation and Critical Infrastructure, as well as cloud computing services. Their expertise encompasses a range of technologies, including software development, DevOps, and system engineering, aimed at improving productivity and efficiency within both governmental and commercial organizations. Notably, they have a significant role in supporting IT systems for the Federal Aviation Administration. Concept Solutions has earned several awards for workplace excellence and innovation in technology.

📋 Description

• Build, maintain, and modernize critical enterprise web applications • Refactor and migrate legacy web applications and workflows from Microsoft SharePoint Subscriber Edition on-premises to open-source technology stacks hosted on AWS • Use AI to refactor legacy code • Develop front-end and back-end code that is performant, accessible, and secure • Modernize legacy application interfaces into secure cloud architectures • Remediate findings from automated security pipelines • Establish resilient, error-tolerant workflows supporting continuity of operations • Participate as a member of the DevSecOps team • Build code layers with redundancy, error handling, and failover capabilities • Support highly available mission-essential FAA functions under a FISMA Moderate framework • Refactor legacy SharePoint pages, Master Pages, InfoPath forms, and web parts into open-source UI frameworks • Replace proprietary SharePoint server-side and client-side object models with RESTful API architectures • Decompose monolithic logic into microservices or serverless applications • Migrate SharePoint content and list data to relational databases • Refactor SharePoint workflows into AWS Step Functions or event-driven serverless architectures • Deploy and optimize applications in AWS GovCloud and AWS Outposts • Operate CI/CD pipelines with automated SAST/DAST security scans • Align SharePoint permissions and Active Directory security groups with AWS federated identity services

🎯 Requirements

• Bachelor's degree in a technical discipline (Computer Science, Electrical Engineering, Information Technology, or a related field) • 5 years of experience in full-stack web application development • Proven track record refactoring monolithic/legacy platforms and migrating workloads to AWS • 3 or more years of practical experience building and maintaining complex, responsive, and accessible web interfaces • Experience modernizing legacy SharePoint pages, customized Master Pages, InfoPath forms, and web parts • Deep understanding of HTML5, CSS3, modern JavaScript/TypeScript • Proficiency in .NET Core, C#, Node.js, or Python • Experience designing secure, modular RESTful APIs • Experience replacing SharePoint SSOM and CSOM with open-source API architectures • Experience decomposing monolithic logic into microservices or serverless applications • Experience analyzing SharePoint site hierarchies, document libraries, lists, and item-level permissions • Experience migrating SharePoint list data into relational databases such as Microsoft SQL Server, PostgreSQL, or Amazon RDS • Experience refactoring SharePoint workflows into AWS Step Functions or serverless event-driven architectures • Familiarity with AWS GovCloud and AWS Outposts • Understanding of CI/CD pipelines such as Azure DevOps, GitLab CI, or GitHub Actions • Strong proficiency in OWASP Top 10 secure coding principles • Knowledge of NIST SP 800-53 security controls and FISMA Moderate • Experience remediating pipeline scan findings • Experience aligning SharePoint permissions and AD security groups with AWS IAM, AWS IAM Identity Center, OAuth2, OIDC, and SAML • Secret Clearance • CompTIA Security+ required within 6 months of hire to satisfy IAM-II compliance • AWS Certified Developer (Associate) or AWS Certified Solutions Architect (Associate) preferred • Professional certifications in React, Angular, or Vue preferred • Ability to work 40 hours per week, Monday through Friday, during core hours of 9:00 a.m. to 3:00 p.m. local time

🏖️ Benefits

• Health insurance • Dental insurance • Vision insurance • Life insurance • Comprehensive 401(k) plan with matching and immediate vesting • Career development • Positive workplace culture centered on innovation and engagement