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The Full Stack Developer is responsible for the end-to-end delivery of custom internal web applications and digital solutions. This role involves both hands-on coding (user interface design, backend logic, and database integration) and leveraging low-code/no-code platforms (Power Apps, Mendix) to deliver efficient business solutions. The ideal candidate is proficient with a modern technology stack (.Net Core, React, Node.js or Python), comfortable operating in an Agile environment, and able to drive productivity improvements through process automation (RPA).

This is an onsite role in our McLean, VA office.

Key Responsibilities

+ Design, develop, and maintain both custom web applications and high-value solutions built on low-code/no-code platforms (e.g., Power Apps, Mendix).

+ Build and maintain scalable, secure applications across the full stack using a modern, flexible technology stack (e.g., React/Vue, Node.js, Python, or .Net) for optimal internal performance

+ Utilize visual development tools within platforms like Power Apps and Mendix to rapidly configure and deploy applications, integrations, and automation workflows

+ Collaborate with Business Analysts, Technical Program Managers, and other developers to translate functional and non-functional requirements into technical specifications and delivered features

+ Write efficient queries, manage schemas, and optimize performance for various database technologies (SQL Server, PostgreSQL, Snowflake)

+ Participate actively in the Agile development process, including daily stand-ups, sprint planning, backlog grooming, and code reviews

+ Conduct comprehensive unit and integration testing to ensure code quality and system reliability before deployment

+ Stay current with industry trends and champion the adoption of new tools and technologies to continuously improve the team's development practices

Basic Qualifications

+ 3+ years of proven experience as a Full Stack Developer or a similar role focused on internal custom application development and digital transformation

+ Demonstrated proficiency in a modern, full-stack environment, utilizing core web technologies (HTML, CSS, JavaScript), a modern front-end framework (e.g., React, Vue.js), and at least one backend stack ( .NET Core/C#, Node.js, or Python/Django)

+ Strong knowledge of RESTful principles and experience designing or consuming high-quality APIs

+ Experience with SQL and relational database technologies (SQL Server, PostgreSQL, Snowflake) for schema management and query optimization.

+ Experience working within Agile development methodologies (Scrum, Kanban)

+ Excellent problem-solving, analytical, and communication skills

+ Alignment to Clark Standards of Excellence: Self-Motivated, Results Oriented,

+ Adaptable, Team Player, Accountable, Ethical, Innovative, Resilient, Builds

+ Relationships, Builds People / Teams & Followership, Sets Direction & Executes

Preferred Qualifications

+ Familiarity with at least one low-code platform (e.g., Mendix, Microsoft PowerApps), demonstrating an understanding of how to extend and integrate with these solutions

+ Hands-on experience establishing and maintaining continuous integration/continuous deployment (CI/CD) pipelines using tools like Jenkins, GitLab CI, or Azure Pipelines for automated testing and deployment

+ Experience actively participating in the design and decision-making for cloud infrastructure related to data and application hosting (e.g., selecting Azure App Services vs. Kubernetes, configuring Lambda/Azure Functions).

+ Prior success in migrating or modernizing older web applications (e.g., ASP.NET WebForms, older legacy systems) to a modern, cloud-native stack

+ Experience working with modern code management and version control systems like GitHub or Azure DevOps (ADO)

+ Bachelor's degree in Computer Science, Software Engineering, or a related field

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 it's 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, you'll 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 you'll be expected to follow Clark Construction's 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.

\#LI-CO2

Clark Construction Group is one of the largest building and infrastructure companies in the United States.

Our portfolio spans every major building market, from public to private, corporate to cultural, education to entertainment, and the infrastructure connecting it all – power, transportation, water, and roadways. Since 1906, we’ve been delighting and delivering value to our clients and project partners, providing diverse opportunities for our team, and strengthening the communities where we live.

With offices strategically located across the country, we pride ourselves on being a local builder with national reach.

Learn more about Clark Construction (https://www.clarkconstruction.com/) .

There is a sense of camaraderie that comes with delivering impactful projects as a team. It creates a sense of humility and fosters pride in the work we do. At Clark, we are proud to build what matters, together.

Learn more about careers at Clark (https://www.clarkconstruction.com/careers) .

Find even more opportunities with the Clark Group, our collection of companies – delivering construction and asset solutions for clients across the United States.

Clark Group's capabilities span the entire asset lifecycle – from project development and financing to construction and facility maintenance.

_Asset Solutions_

Altura Associates (https://clark.wd5.myworkdayjobs.com/Altura)

Coda

Edgemoor Infrastructure & Real Estate (https://clark.wd5.myworkdayjobs.com/Edgemoor/)

S2N Technology Group

_Building & Infrastructure_

Atkinson Construction (https://clark.wd5.myworkdayjobs.com/Atkinson)

Shirley Contracting Company

C3M Power Systems (https://clark.wd5.myworkdayjobs.com/C3MExternal)

_Equal Opportunity Employer_

Clark Construction Group, LLC (and its subsidiaries and affiliates) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, age, national origin, religion, physical and mental disability, genetic information, marital status, sexual orientation, gender identity, citizenship, pregnancy or maternity, protected veteran status, or any other status prohibited by applicable national, federal, state or local law. Clark promotes a drug-free workplace.

Applicants have rights under Federal Employment Laws: Family and Medical Leave Act (FMLA), Equal Employment Opportunity (EEO), and Employee Polygraph Protection Act (EPPA).

Clark is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please email  [email protected]  or call (800) 655-1330 and let us know the nature of your request and your contact information.

_Authorization to Work_

Applicants must be currently authorized to work in the US on a full-time basis in order to be considered.

Equal Opportunity Employer:

Clark Construction Group, LLC, (subsidiaries and affiliates) is an Equal Opportunity Employer committed to diversity and inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to sex, race, color, age, national origin, religion, physical and mental disability, genetic information, marital status, sexual orientation, gender identity/assignment, citizenship, pregnancy or maternity, protected veteran status, or any other status prohibited by applicable national, federal, state or local law. Clark Construction promotes a drug-free workplace.