Senior Back-End Software Engineer

Sigmatech; Huntsville (AL); On-site; USD 110,000 - 150,000; Full time

Job summary

Sigmatech is seeking a Back-End Software Engineer to architect and develop mission-critical backend applications, microservices, and data platforms for defense programs. You will collaborate with software, data, and systems engineers to deliver secure, scalable solutions using containerized environments and CI/CD pipelines.

The role requires strong Python and C/C++ expertise, database design with PostgreSQL/SQL Server/Oracle, and secure software engineering principles.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related field.
• 5+ years of software development experience.
• Experience with Python and C/C++, SQL databases (PostgreSQL, SQL Server, Oracle), Git, Linux, and testing frameworks.
• Security+ certification (or ability to obtain within 6 months).

Responsibilities

• Architect and develop backend applications, microservices, and data platforms for defense programs.
• Collaborate with software, data, and systems engineers to deliver secure, scalable solutions.
• Utilize containerized environments and automated CI/CD pipelines.
• Strengthen secure software engineering practices and design.

Skills

Python

C/C++

SQL databases

Git

Linux environments

Unit testing

CI/CD

Security+

Education

Bachelor's degree in Computer Science/Software/Engineering

Tools

Kubernetes

Docker

Terraform

Bazel

C#

TypeScript

Job description

Job Description

The Back-End Software Engineer will be responsible for architecting and developing mission-critical backend applications, microservices, and data platforms that support defense operations and advanced analytics. The engineer will work closely with software, data, and systems engineers to deliver secure, scalable solutions using modern development practices, containerized environments, and automated CI/CD pipelines. This position requires strong expertise in Python and C/C++, database design, API development, and secure software engineering principles.

Job Description

The Back-End Software Engineer will be responsible for architecting and developing mission-critical backend applications, microservices, and data platforms that support defense operations and advanced analytics. The engineer will work closely with software, data, and systems engineers to deliver secure, scalable solutions using modern development practices, containerized environments, and automated CI/CD pipelines. This position requires strong expertise in Python and C/C++, database design, API development, and secure software engineering principles.

The position resides within Sigmatech's Internal Research and Development (IRAD) directly reporting to the Chief Technology Officer (CTO) supporting the development and delivery of customer-focused technical solutions across defense programs. In addition to project work, the selected candidate will have the opportunity to contribute to Sigmatech Technology Solutions Group (TSG). This unique combination provides exposure to both mission execution and technology innovation, allowing engineers to influence emerging capabilities, prototype advanced solutions, and contribute directly to the company's long-term technical strategy.

• Selected candidate for this position must be able to obtain and maintain a DoD Secret clearance.

Required Experience

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related field
• 5+ years of software development experience
• Experience with:
  • Python and C/C++
  • SQL databases (PostgreSQL, SQL Server, Oracle)
  • Git version control
  • Linux environments
  • Unit, integration, and system testing frameworks and practices
• Security+ certification (or ability to obtain within 6 months)

Preferred Qualifications

• Active Secret or TS clearance
• Experience with:
  • Kubernetes
  • Docker containers
  • Terraform or Infrastructure as Code
  • C# and Typescript
  • Firmware or embedded environment
  • Bazel or similar build system
• Experience supporting Army, Air Force, Space Force, or C5ISR programs

Desired Characteristics

• Strong problem-solving skills
• Ability to work in cross-functional engineering teams
• Excellent written and verbal communication skills
• Experience working directly with government customers

Keyword: Developer