Company Description Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, Enterprise Transformation.
Position: Full Stack Java developer (Back-end) Duration: 3 months contract (till end of Dec 2026 - possibility of extension)
Locations: 100% remote.
Position Overview
We are seeking a Full Stack Java Developer with a strong focus on Java backend development to join our engineering team. This role is primarily backend-focused, with approximately 80% of the work involving backend development and 20% frontend development. The ideal candidate will have strong hands-on experience building scalable backend applications using Java, along with experience working with MongoDB and PostgreSQL. Frontend experience with Angular, HTML, and CSS is required at a working/familiarity level, but extensive frontend expertise is not necessary.
Experience with AWS is a plus but is not required.
Key Responsibilities
Design, develop, test, and maintain robust backend applications using Java.
Build and maintain scalable, reliable, and high-performance backend services and APIs.
Work extensively with MongoDB and PostgreSQL for application data storage and management.
Develop and integrate RESTful APIs and backend services.
Troubleshoot, debug, and optimize backend applications and database performance.
Collaborate with frontend developers and other engineering teams to deliver end-to-end solutions.
Contribute to frontend development and enhancements using Angular, HTML, and CSS as needed.
Participate in code reviews, technical discussions, testing, and deployment activities.
Follow software development best practices, coding standards, and secure development practices.
Work with cross-functional teams to understand requirements and translate them into technical solutions.
Support application deployments and production troubleshooting when required.
Required Qualifications
Strong professional experience in Java backend development.
Hands-on experience developing backend applications, services, and APIs using Java.
Strong database experience with:
MongoDB
PostgreSQL
Working familiarity with Angular.
Working knowledge of HTML and CSS.
Strong understanding of backend architecture, API development, and application integration.
Ability to troubleshoot and resolve complex technical issues.
Strong communication and collaboration skills.
Preferred Qualifications
Experience with AWS or other cloud platforms.
Experience with RESTful web services and microservices architecture.
Experience with modern Java/Spring-based backend development.
Familiarity with CI/CD, Git, and modern software development practices.
Experience working in Agile development environments.
Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.
Numbers & Facts
Location
Reston, VA (Remote)
Skills
Agile Programming Methodologiesunmatched
Amazon Web Services (AWS)unmatched
AngularJSunmatched
Application Integrationunmatched
Application Programming Interface (API)unmatched
Best Practicesunmatched
Blueprintsunmatched
Business Processesunmatched
Business Strategyunmatched
CSS (Cascading Style Sheet)unmatched
Cloud Computingunmatched
Code Reviewsunmatched
Coding Standardsunmatched
Communication Skillsunmatched
Consultingunmatched
Continuous Deployment/Deliveryunmatched
Continuous Integrationunmatched
Cross-Functionalunmatched
Data Managementunmatched
Data Storageunmatched
Debugging Skillsunmatched
Enterprise Architectureunmatched
Gitunmatched
HTML (HyperText Markup Language)unmatched
Identify Issuesunmatched
Information Technology Consultingunmatched
Javaunmatched
Microservicesunmatched
MongoDBunmatched
PostgreSQLunmatched
Problem Solving Skillsunmatched
Professional Servicesunmatched
REST (Representational State Transfer)unmatched
Scalable System Developmentunmatched
Secure Codingunmatched
Software Administrationunmatched
Software Developmentunmatched
Software Engineeringunmatched
Standards Developmentunmatched
Team Playerunmatched
Technical Recruitingunmatched
Technical Supportunmatched
Test Plan/Scheduleunmatched
User Interface/Experience (UI/UX)unmatched
Web Services Architectureunmatched
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