Senior Full-Stack Developer (.NET/Angular)

Pioneering Evolution LLC.

Arlington (VA)

On-site

USD 100,000 - 130,000

Full time

14 days+

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Benefits offered by this job

Paid time off

Medical insurance

Dental insurance

Vision insurance

401(k) plan with company contribution

Job summary

Pioneering Evolution LLC. is looking for a Senior Full-Stack Developer in Arlington, Virginia. This role involves leading the development of secure and scalable software solutions for federal platforms, mentoring junior developers, and collaborating across teams.

The ideal candidate must have extensive experience in .NET Core and Angular, possess strong skills in RESTful API design, and hold a U.S. citizenship with an active Secret Clearance. Competitive benefits offered include paid time off, medical insurance, and a 401(k) plan.

Qualifications

Minimum of 7 years of full-stack software development experience.
Minimum of 3 years developing applications with Angular.
Strong expertise in RESTful API design and secure coding standards.
U.S. citizenship and active Secret Clearance are required.

Responsibilities

Lead development of secure and scalable backend services.
Develop modern user interfaces using the Angular Framework.
Mentor junior developers and promote engineering excellence.
Participate in Agile ceremonies and code reviews.

Skills

Full-stack development using .NET Core

Angular Framework

RESTful API design

Microservices architecture

Relational database systems (PostgreSQL)

Agile methodologies

Education

Bachelor's degree in Computer Science or related field

Tools

.NET Core

Angular

PostgreSQL

Docker

Kubernetes

Job description

POSITION DESCRIPTION

Pioneering Evolution is seeking a highly motivated Senior Full-Stack Developer to lead the development of secure, scalable, and modular software solutions for a mission-focused federal software platform. This role offers the opportunity to provide technical leadership, mentor junior developers, and collaborate closely with cross-functional teams in a fast-paced and innovative environment. The ideal candidate will design, develop, and maintain enterprise-grade applications that meet stringent compliance, audit, security, and performance requirements while helping drive the evolution of software engineering best practices across the organization.

OTHER KEY RESPONSIBILITIES

Design, develop, and maintain secure, scalable backend services using .NET Core, aligned with performance, security, and compliance objectives.
Develop modern, responsive user interfaces using the Angular Framework and integrate them seamlessly with backend services.
Lead architectural discussions and provide technical guidance on application design, development standards, and implementation approaches.
Write and oversee unit, integration, and end-to-end testing strategies to ensure code quality, maintainability, and system reliability.
Collaborate with frontend, QA, DevOps, data engineering, and product teams to deliver fully integrated software solutions.
Participate in Agile ceremonies, technical planning sessions, code reviews, and sprint execution activities.
Mentor junior and mid-level developers, promoting engineering excellence and knowledge sharing across the team.
Document application architecture, backend logic, service interactions, data flows, and technical decisions to ensure traceability and maintainability.
Support troubleshooting, performance tuning, and production issue resolution for mission-critical applications.
Drive continuous improvement initiatives focused on software quality, automation, security, and development efficiency.

REQUIRED EXPERIENCE

Bachelor’s degree in Computer Science, Engineering, or a related technical field.
Minimum of 7 years of full-stack software development experience using .NET Core and modern front‑end frameworks.
Minimum of 3 years of experience developing applications using the Angular Framework.
Strong expertise in RESTful API design, microservices architecture, and secure coding standards.
Experience designing and developing enterprise-scale web applications in compliance-driven environments.
Strong proficiency with relational database systems such as PostgreSQL, including database design and performance optimization.
Experience conducting code reviews, mentoring developers, and contributing to technical leadership initiatives.
Excellent communication, collaboration, and problem-solving skills in a cross‑functional team environment.
Must be available to work full-time and on-site in the Washington D.C. metro area.
U.S. citizenship and active Secret Clearance are required.

DESIRED EXPERIENCE

Experience developing solutions for secure, compliance-driven federal or Department of Defense environments.
Experience with cloud-native application development and deployments in AWS, Azure, or similar cloud platforms.
Experience with containerization and orchestration technologies such as Docker and Kubernetes.
Familiarity with CI/CD pipelines, infrastructure automation, and DevSecOps practices.
Experience implementing secure integration methodologies and automated security testing.
Experience with message-based architectures, event-driven systems, or enterprise integration patterns.

EMPLOYEE BENEFITS