Sr. Backend Developer

Location- Remote in States Foxhole is registered

Clearance: Ability to obtain a DHS Public Trust

Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and security challenges, Foxhole delivers mission-focused innovations to answer evolving and complex needs. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world .

Foxhole Technology is looking to add a Senior Full Stack Developer Lead to our team supporting the design, development, testing, integration, deployment, and sustainment of enterprise mission applications for federal customers.

As a Senior Backend Developer, you will be responsible for the architecture, design, development, modernization, and delivery of cloud-enabled .NET applications and services following Agile, Scrum, DevSecOps, and modern software engineering practices. The development environment will support hybrid cloud and on-premises solutions leveraging AWS platforms and Kubernetes services. Responsibilities include all aspects of the software development lifecycle, including requirements analysis, architecture, design, development, testing, integration, deployment, and mentoring development teams. This position serves as a technical leadership role requiring collaboration with government stakeholders, product owners, architects, and development teams.

Responsibilities

Provide technical leadership and mentorship, including code development, to software engineers and development teams while promoting best practices and continuous improvement.

Collaborate with Product Owners, Scrum Masters, stakeholders, and technical teams to refine requirements, develop user stories, and ensure successful delivery of sprint commitments.

Participate in architecture and design activities for enterprise web applications, APIs, cloud-native solutions, and microservices-based platforms.

Participate in Sprint Planning, Sprint Reviews, Demonstrations, Backlog Refinement, and Daily Scrum activities with government and stakeholder personnel.

Serve as a technical lead for Agile Scrum teams, including coordination of the Development team, Government Teams, and supporting vendor resources.

Design and develop scalable .NET applications using C#, ASP.NET Core, ASP.NET MVC, Web APIs, Entity Framework, and modern development frameworks.

Design and implement RESTful services, service integrations, and data exchange solutions across enterprise systems.

Design and implement cloud-native solutions utilizing AWS services (EKS, ECR and PostgreSQL), including containerized and serverless architectures, CI/CD automation, API management, AI/ML services, event-driven integration patterns, and scalable enterprise cloud platforms.

Develop and maintain Single Page Applications (SPA) using Angular and modern JavaScript frameworks.

Design and implement CI/CD pipelines, automated testing strategies, infrastructure automation, and DevSecOps processes.

Drive or assist with Kubernetes deployment package creation and application in the cloud environment.

Collaborate with other Solution Architects and Subject Matter Experts (SMEs) to develop innovative, secure, maintainable, and cost-effective solutions.

Ensure compliance with security, accessibility, performance, and coding standards throughout the software development lifecycle.

Develop technical artifacts including architecture diagrams, design specifications, API documentation, implementation guides, operational manuals, and user documentation.

Support database design, optimization, reporting, and data integration activities using SQL Server and related technologies.

Conduct code reviews, design reviews, and architecture assessments to ensure solution quality and maintainability.

Research emerging technologies and recommend process improvements, modernization opportunities, and architecture enhancements.

Support SharePoint-based collaboration, content management solutions, and enterprise integration initiatives as required.

Work independently while maintaining effective communication with project leadership, team members, and customers.

Qualifications

Bachelor’s Degree in Computer Science, Information Technology, Software Engineering, or related field required. Master's Degree preferred.

12+ years of demonstrated experience designing, developing, and supporting enterprise software applications.

Experience serving in a technical lead, solution architect, team lead, or Scrum leadership role.

Extensive experience with Microsoft development technologies including .NET Framework, .NET (Core/.NET 8+), ASP.NET MVC, ASP.NET Core Web API, C#, SQL Server, Entity Framework, Visual Studio, and related software engineering tools.

Demonstrated experience designing, developing, deploying, and supporting cloud-native applications within AWS environments (EKS, ECR and PostrgreSQL) using modern cloud architecture principles and best practices.

Experience designing and implementing microservices architectures, distributed systems, event-driven solutions, and containerized applications within enterprise cloud environments.

Experience with AWS cloud services and DevOps tooling, including container orchestration, serverless computing, CI/CD automation, AI/ML services, infrastructure as code, and cloud-based application modernization initiatives.

Experience generating and integrating into CI/CD pipelines automated test cases including but not limited to: application functionality, Section 508 compliance as well as security compliance.

Experience applying Agile Scrum methodologies and supporting Agile ceremonies, backlog management, and sprint execution.

Experience implementing DevSecOps practices, CI/CD pipelines, source control management, and automated deployment strategies using GitHub, AWS DevOps, GitLab, or similar tools.

Experience designing, developing, and consuming REST-based APIs and service-oriented architectures.

Experience with PostgreSQL, SQL Server, Oracle, data integration, reporting solutions, and enterprise database design.

Experience developing responsive, accessible, and user-friendly web applications using HTML5, CSS3, JavaScript, jQuery, and related technologies.

Knowledge of object-oriented design, design patterns, software architecture principles, and application frameworks.

Experience supporting program management dashboards, reporting solutions, data visualization, and business intelligence implementations preferred.

Strong analytical, problem-solving, troubleshooting, and decision-making skills.

Excellent written, verbal, presentation, and stakeholder communication skills.

AWS certifications, Microsoft Certified Developer certifications, or related industry certifications preferred.

Must be a U.S. Citizen and able to obtain and maintain a Public Trust Clearance.

Desired Skills

AWS Cloud Architecture, Engineering, and Enterprise Solution Design

AWS DevOps, CI/CD Automation, and Infrastructure as Code (IaC)

Serverless, Containerized, and Cloud-Native Application Development (AWS Lambda, ECS, EKS)

ASP.NET Core / ASP.NET MVC

C# / .NET Development

Mid to senior level experience in containerized workflows and/or kubernetes

Angular and Modern Front-End Development

RESTful API Design, Development, and Systems Integration

Microservices, Event-Driven, and Distributed Systems Architecture

SQL Server, Amazon RDS, Database Engineering, and Data Integration

Entity Framework and Data Access Technologies

Enterprise Collaboration Platforms, Content Management, and SharePoint Solutions

Agile Scrum Leadership, Technical Team Mentoring, and Delivery Management

Cloud Migration, Application Modernization, and Legacy S