Senior Backend Engineer

About Agile Defense

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation’s most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1719

Job Title: Senior Backend Engineer

Location: Remote

Clearance Level: Secret, Must Have Clearance to Start

Job Description

Role Overview:

The Senior Backend Engineer is responsible for designing, building, and optimizing the core services, APIs, and data processing components that power desktop and distributed software applications. This role focuses on performance, reliability, security, and scalability at the service and data layers, ensuring seamless integration with thick client applications such as Electron-based platforms.

The position requires deep expertise in backend architecture, structured data handling, and service design within secure and performance-sensitive environments.

Key Responsibilities:

• Design and implement scalable backend services and APIs to support thick client desktop applications.
• Architect service-layer logic for validation, analytics, and business rule enforcement.
• Develop and maintain data processing pipelines for structured and semi-structured data.
• Optimize backend systems for performance, concurrency, and efficient resource utilization.
• Design clean, well-documented RESTful APIs and service contracts for client-server communication.
• Implement authentication, authorization, and secure data handling mechanisms.
• Support secure communication between backend services and Electron or other desktop client frameworks.
• Contribute to database schema design and data modeling strategies.
• Participate in code reviews and maintain backend engineering standards.
• Collaborate with DevSecOps teams to support containerization, CI/CD pipelines, and automated testing.

Education and Background

Typically has a Bachelor’s or masters degree in Computer Science, Software Engineering, or related field, and 7+ years of experience, or equivalent relevant work experience; e.g., each year of work experience may be substituted for each year of education required.

Years of Experience

7+ years of professional software development experience with strong backend focus

Required Skills

Required Qualifications

• Expertise in one or more backend languages and frameworks such as:
  • Java / Spring
  • Python / FastAPI / Django
  • C# / .NET
  • Node.js
• Strong experience designing and building RESTful APIs.
• Experience working with relational and/or NoSQL databases, including schema design and performance tuning.
• Experience with structured data formats such as JSON, XML, CSV, or schema-driven models.
• Solid understanding of concurrency, memory management, and system performance.
• Experience supporting client-server architectures that include thick client applications.
• Experience delivering software in Agile/Scrum environments.

Preferred Skills

Preferred / Nice-to-Have Skills:

• Experience supporting or integrating with Electron-based desktop applications.
• Familiarity with inter-process communication models and secure…