Backend Developer

Blackstone Technology Group; Alexandria (VA); On-site; USD 110,000 - 150,000; Full time

Job summary

Blackstone Talent Group is seeking a Backend Developer to design, develop, and deploy cloud-native backend services using Java/Spring Boot, RESTful APIs, and AWS. You will participate in Agile processes, lead architectural decisions, and mentor teammates to improve development practices.

The role emphasizes scalable microservices, API design, security reviews, and AI-assisted development to boost delivery speed and code quality. Strong collaboration with cross-functional teams is required.

Qualifications

• Proven backend development with Java Spring and microservices.
• Experience with AWS and messaging technologies.
• Security design reviews and OWASP awareness.
• Testing strategy across unit/integration/automation.

Responsibilities

• Leads the design, development, and implementation of scalable backend services to support business requirements.
• Follows Agile methodologies and drives engineering excellence through architectural ownership, mentoring, and continuous improvement of development practices.
• Champions AI-assisted development to accelerate delivery and improve code quality.

Tools

Docker

Kubernetes

GitHub CI/CD

Job description

Position

Blackstone Talent Group, an award-winning technology consulting and talent agency is seeking a Backend Developer to join our Client's team. Java Developer with extensive experience developing cloud-native, microservices-based applications using Java/Spring Boot, REST/JSON APIs, and AWS. Leads the design, development, and implementation of scalable backend services to support business requirements. Follows Agile methodologies and drives engineering excellence through architectural ownership, mentoring, and continuous improvement of development practices. Champions AI-assisted development to accelerate delivery and improve code quality.

Required Skills

• Strong Java backend experience with Spring, Spring Boot, JPA/Hibernate, and microservices/event-driven architectureExperience with AWS services and message broker technologies
• Experience leading API design and documentation standards; owning security design reviews with strong knowledge of OWASP principles and authentication/authorization patterns
• Experience defining and driving testing strategy across unit, integration, and automated testing
• Proficiency in SQL with working knowledge of relational database concepts including DDL, DML, and reading/understanding stored procedures
• Experience working in a GitHub-based CI/CD environment with hands‑on experience in containerized application packaging and deployment using Docker and Kubernetes
• Strong problem‑solving skills with the ability to drive architectural improvements, lead production incident response, and own technical specifications and design documentation
• Ability to ability AI-assisted development tools across the team; drives adoption where it improves outcomes, mentors others, and stays current on emerging technologies and their application to existing systems

Preferred Skills

• Experience with API, security, and performance testing tools such as Postman, OWASP ZAP, and JMeter
• Experience with observability tooling — structured logging, monitoring, and alerting using CloudWatch, AppDynamics, and/or Splunk
• Experience with PostgreSQL and/or cloud-managed databases (RDS, Aurora)
• Experience with Agile/SAFe methodologies and tools such as JIRA and ConfluenceExcellent communication and teamwork skills; experience with modern JavaScript frameworks (React, Angular, Ember) is a plus for full-stack collaboration

Security Clearance

Required: Public Trust

Company

Blackstone Talent Group is a wholly owned subsidiary of Blackstone Technology Group, a global IT services and software firm that implements technological solutions across commercial industry verticals and the US Federal Government. Blackstone's global talent augmentation practice was founded in 1998. Blackstone Talent Group has offices in San Francisco, Denver, Houston, Colorado Springs, and Washington, DC. We specialize in providing clients the best talent across a variety of industries and sectors.

EOE of Minorities/Females/Veterans/Disabilities