Full Stack Engineer (Java) - Merrimack, NH

QTech • Merrimack, NH

2d • Onsite

About The Position

We are seeking a highly experienced Full Stack Engineer (Java) to join our onsite engineering team. This role requires a strong balance of backend and frontend development (approximately 50/50), with a primary focus on Java 17–based API development and modern Angular UI development. The ideal candidate will have deep hands-on experience building scalable, secure applications using modern frameworks and cloud technologies.

Requirements

• 14+ years of overall software development experience
• Strong expertise in Java 17 and Spring / Spring Boot
• Proven experience in API development and microservices architecture
• Hands-on experience with Angular (latest or recent versions)
• Strong frontend skills with JavaScript, TypeScript, HTML, CSS
• Experience with AWS (EC2, S3, Lambda, ECS/EKS, RDS, etc.)
• Solid understanding of full software development lifecycle (SDLC)
• Experience working in onsite, enterprise-scale environments
• Strong communication and collaboration skills

Responsibilities

• Design, develop, and maintain high-performance RESTful APIs using Java 17 and Spring Framework (Spring Boot)
• Build responsive and user-friendly web applications using Angular, JavaScript, TypeScript, HTML, and CSS
• Collaborate closely with product owners, architects, and cross-functional teams to define and implement technical solutions
• Ensure application performance, security, scalability, and reliability
• Develop and integrate backend services with frontend components in a seamless manner
• Deploy, monitor, and maintain applications on AWS cloud infrastructure
• Participate in code reviews, technical design discussions, and architectural decisions
• Troubleshoot production issues and provide long-term fixes and improvements
• Mentor junior developers and promote engineering best practices

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed