Senior Lead Developer: Enterprise Cloud & Modernization

atek s.r.o.; Washington (District of Columbia); Hybrid; USD 150,000 - 162,000; Full time

Job summary

A-TEK, Inc. is seeking a Senior Lead Developer to serve as the technical leader for enterprise application development supporting a Federal civilian agency's ADSS program. The role balances new development with modernization across Python, React, .NET, and Azure Government.

The position is hybrid and based in Washington, DC, with responsibilities spanning architecture, DevSecOps, QA, and security/compliance. Strong leadership and federal IT experience are required.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related technical discipline.
• Minimum 10 years of professional software development experience.
• Minimum 5 years supporting Federal Government IT systems.
• Demonstrated experience leading software development teams.
• Experience delivering enterprise applications using Agile methodologies.
• Strong verbal and written communication skills.

Responsibilities

• Lead software development efforts across multiple Agile development teams.
• Serve as the senior technical authority for application design and implementation.
• Establish development standards, coding guidelines, and engineering best practices.
• Mentor and coach developers through design reviews, pair programming, and technical guidance.
• Conduct peer code reviews and approve production‑ready code.
• Design, develop, test, deploy, and maintain enterprise web applications.
• Develop modern React‑based user interfaces.
• Design and develop scalable Python backend services and RESTful APIs.
• Maintain and enhance existing C#/.NET applications while supporting modernization.
• Develop reusable software components and shared services.
• Integrate enterprise applications with Microsoft 365, Power Platform, Azure services, and external systems.

Skills

Python

C#

.NET

JavaScript/TypeScript

SQL

React

Azure

Education

Bachelor's degree in Computer Science or related field

Tools

Azure DevOps

GitHub

Power Platform

Job description

A-TEK, Inc. is seeking a Senior Lead Developer to serve as the technical leader for enterprise application development supporting a Federal civilian agency's ADSS program. The role balances new development with modernization across Python, React, .NET, and Azure Government.

The position is hybrid and based in Washington, DC, with responsibilities spanning architecture, DevSecOps, QA, and security/compliance. Strong leadership and federal IT experience are required.