Full Stack Engineer

Ampcus Inc; Wilmington (DE); On-site; USD 90,000 - 120,000; Full time

Job summary

Ampcus Inc in Wilmington, DE seeks an Intermediate Full Stack Developer with strong Java and AWS expertise to design, build, and maintain scalable backend systems across distributed applications.

You will develop backend services with Java/Spring Boot, implement microservices, work with AWS, Kafka, and NoSQL databases like Cassandra, and ensure code quality through CI/CD practices and testing.

Qualifications

• Requires strong Java/Spring Boot experience.
• Proficient in AWS services (EC2, S3, Lambda).
• Experience with Kafka and NoSQL databases.
• Familiarity with microservices and RESTful APIs.

Responsibilities

• Develop and maintain backend services using Java and Spring Boot.
• Design and implement microservices architecture for scalable applications.
• Work with AWS cloud services to deploy, monitor, and optimize backend systems.
• Integrate and manage Kafka for event-driven messaging.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Ensure code quality, security, and performance through best practices and testing.

Skills

Java

Spring Boot

AWS

Kafka

NoSQL Cassandra

Microservices

REST APIs

CI/CD

DevOps

Tools

Docker

Kubernetes

Prometheus

Grafana

CloudWatch

Job description

We are seeking an Intermediate Full Stack Developer with strong expertise in Java and AWS to join our dynamic engineering team. The ideal candidate will design, build, and maintain scalable backend systems, ensuring high performance and reliability across distributed applications.

Key Responsibilities

• Develop and maintain backend services using Java and Spring Boot.
• Design and implement microservices architecture for scalable applications.
• Work with AWS cloud services to deploy, monitor, and optimize backend systems.
• Integrate and manage Kafka for event-driven messaging.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Ensure code quality, security, and performance through best practices and testing.

Required Skills & Experience

• Proficiency in Java and Spring Boot frameworks.
• Hands‑on experience with AWS services (EC2, S3, Lambda, etc.).
• Strong knowledge of Kafka for messaging and streaming.
• Experience with Cassandra or other NoSQL databases.
• Solid understanding of microservices architecture and RESTful APIs.
• Familiarity with CI/CD pipelines and DevOps practices.
• Strong problem‑solving skills and ability to work in a collaborative environment.

Preferred Qualifications

• Experience with containerization tools (Docker, Kubernetes).
• Knowledge of monitoring tools (Prometheus, Grafana, CloudWatch).