Senior Web Developer

One Federal Solution; Arlington (VA); On-site; USD 120,000 - 170,000; Full time

Job summary

One Federal Solution seeks a Senior Web Developer to design, develop, and maintain financial management web applications and reporting tools for a Federal Government client. The role involves full-stack development, SPA work, API design, and close collaboration with business stakeholders.

The ideal candidate has a bachelor’s degree and 12+ years in software/web development, with strong .NET and frontend framework experience, and solid SQL skills. On-site Arlington, VA. OA/SOW-based engagement.

Qualifications

• Bachelor’s Degree required.
• 12+ years of progressive experience in software or web development.
• Experience as a Full Stack Web Developer.
• Strong experience with Microsoft .NET technologies and design best practices.
• Frontend frameworks: Vue.js, React, or Angular (Vue.js preferred).
• Experience with JavaScript, HTML, CSS, and Bootstrap or similar CSS frameworks.
• Experience designing and supporting SQL databases and relational data models.
• Experience working with Git and branching strategies.
• Ability to work independently and communicate effectively with technical and non-technical stakeholders.

Responsibilities

• Design, develop, test, deploy, and maintain full-stack web applications for financial management processes.
• Participate in all phases of the software development lifecycle.
• Develop and maintain SPAs using modern frontend frameworks.
• Design and develop middle-tier APIs and web services.
• Design, develop, and maintain relational database models and data structures.
• Collaborate with stakeholders to translate requirements into technical solutions.
• Support enhancements, maintenance activities, and production issues.
• Participate in agile practices including sprint planning and code reviews.
• Develop technical documentation and assist deployment activities.

Job description

One Federal Solution (OFS) seeks a Senior Web Developer (Subject Matter Expert - Senior) to support a potential Federal Government client. As a Senior Web Developer, you will support the design, development, enhancement, and maintenance of financial management web applications and reporting tools supporting financial operations and business processes.

Senior Web Developer Key Responsibilities:

• Design, develop, test, deploy, and maintain full-stack web applications supporting financial management business processes and controls.
• Participate in all phases of the software development lifecycle including requirements gathering, design, implementation, operations, and maintenance.
• Develop and maintain Single Page Applications (SPA) utilizing modern frontend frameworks.
• Design and develop middle-tier APIs and web services.
• Design, develop, and maintain relational database models and data structures.
• Collaborate with business stakeholders and technical teams to translate requirements into technical solutions.
• Support application enhancements, maintenance activities, and production issues.
• Participate in agile development activities including sprint planning, backlog refinement, and code reviews.
• Develop technical documentation and support deployment activities.

Senior Web Developer Qualifications:

• Bachelor’s Degree required.
• Minimum of twelve (12) years of progressive experience supporting software development or web application development projects.
• Experience as a Full Stack Web Developer.
• Strong experience developing applications using Microsoft .NET technologies, frameworks, libraries, and design best practices.
• Experience with frontend frameworks such as Vue.js, React, or Angular. Vue.js experience preferred.
• Experience with JavaScript, HTML, CSS, and Bootstrap or similar CSS frameworks.
• Experience designing and supporting SQL databases and relational data models.
• Experience working with Git and common code branching strategies.
• Ability to work independently and communicate effectively with both technical and non-technical stakeholders.

Preferred Qualifications:

• Experience supporting financial management systems or financial business processes.
• Experience supporting CGI Momentum or other commercial off-the-shelf (COTS) financial systems.
• Experience with Oracle PL/SQL development or Oracle Database Administration.
• Experience using AI-assisted development tools.
• AWS certifications including Developer, Solutions Architect, or AI certifications preferred.

About One Federal Solution

One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are pioneers, builders, thought leaders, and pride ourselves in thinking outside the box to co-create with our customers, helping them achieve excellent enterprise-wide outcomes. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), OFS is committed to providing people who deliver high performance and excellence to our government partners.