Senior Application Developer
McLean, MD - USA
Job Summary
This position requires a hands-on developer comfortable working in complex undocumented systems who can balance immediate support needs with long-term improvements. The role will collaborate closely with IT leadership business stakeholders and external vendors to maintain the current platform while contributing to decisions regarding upgrades refactoring or potential replacement with modern or commercial solutions.
This is an onsite role based in our McLean VA office.
Key Responsibilities
Serve as the primary technical owner for internally developed web applications built on the Microsoft stack (.NET Framework SQL Server IIS).
Maintain troubleshoot and enhance legacy applications to ensure stability and performance for business-critical operations.
Analyze and reverse-engineer existing systems to understand business logic database structures and integrations where documentation is limited.
Design and implement improvements to application architecture code structure and database design to support long-term maintainability.
Write refactor and optimize complex T-SQL queries stored procedures and database objects in Microsoft SQL Server.
Support and manage IIS-hosted applications including deployment configuration and security updates.
Develop new functionality using C# .NET JavaScript and related technologies.
Build RESTful APIs or service layers to enable integration between legacy systems and newer applications.
Contribute to technical decisions related to system modernization including upgrades refactoring cloud migration or evaluation of COTS solutions.
Help establish modern development practices such as source control automated builds testing and deployment processes.
Collaborate with business stakeholders to understand existing workflows and translate them into technical solutions.
Document system behavior architecture and dependencies to improve long-term supportability.
Provide technical leadership for the platform while remaining hands-on in development and support.
Basic Qualifications
Bachelors degree in Computer Science Software Engineering Information Systems or related field
6 years of experience developing and supporting applications in the Microsoft ecosystem (C# SQL Server)
Strong experience working Framework applications (WebForms MVC WCF or similar)
Solid experience with Microsoft SQL Server including writing and debugging complex queries and stored procedures
Experience supporting applications hosted in IIS environments
Experience working with existing / legacy (brownfield) systems
Experience with HTML CSS and JavaScript for web applications
Strong troubleshooting and problem-solving skills in complex codebases
Ability to work independently and take ownership of technical solutions
Preferred Qualifications
Experience modernizing applications to newer versions (.NET 6 / 7 / 8)
Experience migrating applications to Azure or AWS
Experience designing APIs or service-based integrations
Experience with Git Azure DevOps or CI/CD pipelines
Experience evaluating or implementing commercial off-the-shelf (COTS) solutions
Familiarity with low-code platforms such as Mendix or PowerApps
Experience in improving or refactoring legacy database schemas
The work environment and requirements described below are representative of those necessary for an employee to successfully perform the essential functions of this role.
The Physical Side of the Role: Given that a good portion of your day will be spent at a desk you should be comfortable with prolonged periods of focused work whether its collaborating with colleagues analyzing data or developing strategies. The role demands effective communication and sharp visual acuity for reviewing complex documents and performing detailed computer work. While there are times for quiet concentration youll also be expected to move actively throughout the office and travel occasionally to various locations including dynamic construction sites utilizing different modes of transportation. The ability to lift and move objects up to 10 pounds regularly and up to 25 pounds on occasion (think a box of files or small office equipment) is also required.
Your Work Environment: Your primary workspace will be in our professional office which has a typical quiet-to-moderate noise and light levels. As part of your work you may also be required to visit active construction sites. These environments are naturally more dynamic and can include exposure to outdoor weather conditions louder noise and moving equipment. Your safety is our top priority and youll be expected to follow Clark Constructions safety policies and procedures and all applicable laws at all locations.
Our High-Performing Culture: This is a demanding high-performance environment. We are looking for candidates who are energized by challenge thrive under pressure and are prepared to do what it takes to achieve exceptional results. Success in this role requires significant commitment including flexibility to work extended hours especially during critical project phases or client deadlines. Beyond regular working hours there will be occasions where business needs require your attention particularly for time-sensitive matters or emergencies. You are expected to monitor and respond to communications (phone calls emails text messages) as required to address these situations effectively. Your ability to manage these expectations and be responsive when critical issues arise is key to your success in this role and our collective success as a team.
A Drug Free Workplace: Clark promotes a drug free workplace. A pre-employment drug fitness for duty screening is required and the company conducts random quarterly drug fitness for duty tests.
Clark offers a total compensation package that includes base salary bonus potential and a comprehensive benefits package including health/dental/vision benefits paid time off retirement/401k and Company Contribution plan. Additional benefits include life insurance commuter benefit short & long term disability fitness reimbursement FSA tuition reimbursement back-up daycare tutoring & family support benefits EAP/Work-Life assistance and a holiday contribution program. For this role the base salary range is $65000-$170000. Compensation may vary outside of this range depending on a number of factors including a candidates education experience skills and geographic location. Base pay is one part of the Total Compensation Package that is provided to compensate and recognize employees for their work.
Required Experience:
Senior IC
About Company
Hospitals where we heal. Museums that inspire. Highways that connect us. We create the assets and infrastructure that make the United States stronger.