Senior Full-Stack Developer - Hybrid, DoD Mission-Critical

D&G Solutions; Belleville (IL); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits

401(k)

Bonus and profit sharing

Flexible hours

Education reimbursement

Generous paid time off

Job summary

D&G Solutions is seeking a Senior Full Stack Developer to support IGC Contract modernization, APIs, and secure delivery initiatives. You will design, develop, and maintain secure enterprise web applications and services using Java, C#, Python, React, Angular, Spring Boot, or .NET, while modernizing legacy components for cloud readiness.

You will lead design reviews, mentor teammates, and collaborate with Architects, DBAs, cloud/DevSecOps, cybersecurity, testers, and DoD stakeholders to deliver

Qualifications

• Eight or more years of professional software-development experience.
• Strong full-stack development experience across front-end and back-end layers.
• Experience developing RESTful APIs, web services, and microservices.
• Experience refactoring or modernizing legacy applications.
• Relational databases, SQL, and data-access patterns knowledge.
• Git, CI/CD, automated testing, and defect remediation experience.
• Secure coding practices and resolving security findings.
• Containerized and cloud-hosted environments experience.
• Technical leadership, mentoring, and stakeholder communication skills.

Responsibilities

• Design, develop, test, deploy, and maintain secure enterprise web apps and APIs.
• Develop workflows, business logic, validation, authentication, and RBAC.
• Develop RESTful APIs and data-access components with relational DBs.
• Develop unit and integration tests and support sprint demos and releases.
• Use Git and GitLab CI/CD to build, test, and deploy in cloud/containers.
• Provide modernization recommendations and technical leadership.

Skills

Java

C#

Python

JavaScript/TypeScript

React

Angular

Spring Boot

.NET

Education

Bachelor's degree in Computer Science or related field

Master's degree in Computer Science or related field

Security certifications: FITSP-D / GCSA / GISF / SSCP

Tools

Git

CI/CD

Docker

Kubernetes

AWS

Job description

D&G Solutions is seeking a Senior Full Stack Developer to support IGC Contract modernization, APIs, and secure delivery initiatives. You will design, develop, and maintain secure enterprise web applications and services using Java, C#, Python, React, Angular, Spring Boot, or .NET, while modernizing legacy components for cloud readiness.

You will lead design reviews, mentor teammates, and collaborate with Architects, DBAs, cloud/DevSecOps, cybersecurity, testers, and DoD stakeholders to deliver