Full-Stack Developer

atek s.r.o.; Washington (District of Columbia); Hybrid; USD 120,000 - 145,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) with employer match

Job summary

A-TEK, Inc. is seeking a Mid-Level Full Stack Developer to design, develop, test, and maintain enterprise applications in a modern cloud-based environment.

Hybrid role based in Washington, DC, reporting to Senior Lead roles, utilizing Microsoft technologies and Agile practices. The role emphasizes building secure, scalable software, modernizing legacy systems, and collaborating across teams to deliver high-quality solutions for federal clients.

Qualifications

• Bachelor's degree in CS/IS/SE or related field.
• 5+ years of professional software development experience.
• Experience with C#/.NET and/or Python.
• Experience with React and modern JavaScript frameworks.
• Experience with Microsoft SQL Server and relational databases.
• Experience developing RESTful APIs.
• Experience with Microsoft Azure or comparable cloud platforms.
• Experience using Git and Azure DevOps.
• Experience working within Agile software development teams.
• Ability to obtain and maintain a Tier 2 Background Investigation.

Responsibilities

• Develop, enhance, test, and maintain enterprise web applications.
• Build responsive UIs using React, HTML5, CSS3, and JavaScript/TypeScript.
• Develop backend services using Python and C#/.NET.
• Design and implement RESTful APIs and system integrations.
• Participate in modernization of legacy applications.
• Develop SQL queries, stored procedures, and database objects.
• Support SQL Server and PostgreSQL databases.
• Support application deployment within Microsoft Azure.
• Participate in CI/CD pipeline execution and release activities.
• Utilize Git and Azure DevOps for source control and work management.
• Support automated testing and deployment activities.
• Troubleshoot defects and production issues.
• Perform software enhancements and bug fixes.
• Support system documentation and knowledge transfer.
• Participate in Agile ceremonies.

Skills

C#/.NET development

Python development

React and JavaScript

REST API development

Agile development

Problem solving

Team collaboration

Education

Bachelor's degree in Computer Science, Information Systems, Software Engineering, or related field

Tools

Git

Azure DevOps

Microsoft Azure

SQL Server

PostgreSQL

Job description

Empower, Innovate, Impact! At Team A-TEK, we EMPOWER people to drive INNOVATION that IMPACTS mission!

A-TEK operates at the intersection of mission and innovation by applying our deep domain expertise across the federal markets. Embracing our digital-first strategy, A-TEK provides enhanced capabilities in application development, digital transformation, enterprise IT, and scientific services. Our solutions are designed to modernize, automate, secure, protect, and enhance the operations of our federal clients, ensuring they stay ahead in a rapidly evolving digital landscape.

Our work is fueled by a passion to serve our clients’ needs and to protect the safety and welfare of Americans. That passion shapes how we nurture our most valuable asset – Our Employees. A-TEK actively cultivates the talent that drives our success and fosters a creative, challenging, and mission-driven work environment for current and future employees.

The Mid-Level Full Stack Developer supports the design, development, testing, enhancement, and maintenance of enterprise business applications within a modern cloud-based environment. Working under the direction of the Senior Lead Developer and Technical Lead, this position develops secure, scalable software solutions utilizing Microsoft technologies, modern web frameworks, cloud services, and Agile development practices.

The successful candidate will support application modernization efforts while maintaining existing production systems and participating in all phases of the software development lifecycle. This is a hybrid position based in Washington, DC.

Application Development

• Develop, enhance, test, and maintain enterprise web applications.
• Build responsive user interfaces using React, HTML5, CSS3, and JavaScript/TypeScript.
• Develop backend services using Python and C#/.NET.
• Design and implement RESTful APIs and system integrations.
• Participate in modernization of legacy applications.

Database Development

• Develop SQL queries, stored procedures, and database objects.
• Support SQL Server and PostgreSQL databases.
• Assist with data migration and performance optimization activities.

Cloud & DevOps

• Support application deployment within Microsoft Azure.
• Participate in CI/CD pipeline execution and release activities.
• Utilize Git and Azure DevOps for source control and work management.
• Support automated testing and deployment activities.

Operations & Maintenance

• Troubleshoot software defects and production issues.
• Perform software enhancements and bug fixes.
• Support system documentation and knowledge transfer.
• Participate in Agile ceremonies including sprint planning, daily standups, demonstrations, and retrospectives.

Security & Quality

• Develop software in accordance with secure coding standards.
• Support application security testing and vulnerability remediation.
• Participate in peer code reviews.
• Support Section 508 accessibility compliance.

Minimum Qualifications

• Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related discipline.
• Minimum of five (5) years of professional software development experience.
• Experience developing applications using C#/.NET and/or Python.
• Experience with React and modern JavaScript frameworks.
• Experience with Microsoft SQL Server and relational databases.
• Experience developing RESTful APIs.
• Experience with Microsoft Azure or comparable cloud platforms.
• Experience using Git and Azure DevOps.
• Experience working within Agile software development teams.
• Ability to obtain and maintain a Tier 2 (Moderate Risk) Background Investigation.

Preferred Qualifications

• Microsoft Certified: Azure Developer Associate
• Microsoft Power Platform Fundamentals (PL-900)
• Experience with Power Apps and Power Automate
• Experience with PostgreSQL
• Experience supporting Federal Government IT programs

Desired Competencies

• C#/.NET development
• Python development
• React and JavaScript
• HTML5/CSS3
• REST API development
• SQL Server and PostgreSQL
• Microsoft Azure
• Azure DevOps
• Git source control
• Agile development
• Problem solving
• Team collaboration
• Continuous learning

Compensation

Salary Range: $120,000 – $145,000 annually (commensurate with experience)
Benefits: Health, dental, and vision insurance; 401(k) with employer match; paid time off; professional development opportunities.

Why Join Us?

This is an opportunity to make a direct impact on healthcare data processes that support critical regulatory functions. You will collaborate with dedicated professionals, work on meaningful projects, and contribute to improvements in public health systems.

Candidates may use tools (including AI) for proofreading or formatting; however, using any tool to fabricate, exaggerate, or misrepresent qualifications, experience, or work product is not permitted. We may assess application materials for job-related technical depth, internal consistency, and demonstrated hands–on experience, including through follow-up questions, skills assessments, or reference checks. Verification of education may be requested before or during the hiring process.

For security and identity verification purposes, participants may be asked to temporarily disable virtual backgrounds during portions of the call.

Misrepresentation or falsification may result in removal from further consideration. Candidates who need a reasonable accommodation in the application or interview process may request one.

A-TEK, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or status as a qualified individual with a disability, or Vietnam era or other protected Veteran status.