US_East | Software Developer - Java /JEE / Java Frameworks_L3

Ampcus, Inc; Charlotte (NC); On-site; USD 120,000 - 150,000; Full time

Job summary

Ampcus Inc. is seeking a Senior Java Developer to design, build, and scale enterprise-grade distributed software solutions in Charlotte, NC. You will tackle complex architectural challenges, mentor junior engineers, and actively shape technology strategy to drive business value.

You will own RESTful and GraphQL services, microservice architectures, and modern backend tooling (Docker, Kubernetes, ArgoCD), while championing CI/CD and code reviews to boost quality.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or Engineering.
• 8+ years of hands-on programming experience with Java, Spring Framework, and Spring Boot.
• Proven track record designing, developing, and managing distributed microservice architectures.
• Strong experience designing API ecosystems (RESTful and GraphQL) and event-driven architectures (NATS.IO, Apache Kafka).
• Solid concurrency and multi-threading skills for performance.

Responsibilities

• Design, build, and optimize distributed microservice applications for scalable backend performance.
• Develop and maintain RESTful and GraphQL services for complex business capabilities and high-volume data.
• Document and improve existing system logic to reduce technical debt and improve reliability.
• Provide technical direction and create documentation while aligning with technology strategy.

Skills

Java

Spring Framework

Spring Boot

Microservices

REST/GraphQL

NATS.IO

Apache Kafka

Docker

Kubernetes

ArgoCD

CI/CD

AI coding workflows

Kiro IDE

Camunda BPMN

Concurrency/Multithreading

Education

Bachelor's degree in Computer Science/IT/Engineering

Tools

NATS.IO

Apache Kafka

GraphQL

Docker

Kubernetes

ArgoCD

Git

Job description

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.

Job Title: Senior Java Developer

Location(s): Charlotte, NC

About the Role

We are seeking a strong Senior Java Developer to design, build, and scale enterprise-grade distributed software solutions. In this role, you will tackle complex architectural challenges, developing highly scalable backend systems that power VOIP-based call processing, CTI, intelligent call routing, and compliance recording systems. You will act as a technical leader, mentoring junior developers and actively shaping technology strategy to drive business value through modern engineering practices.

What You Will Do

Architecture & Development

• Design, build, and optimize robust distributed microservice applications to ensure highly scalable backend performance.
• Develop, implement, and maintain both RESTful and GraphQL services to support complex business capabilities and high-volume data querying.
• Analyze, revise, and document challenges in existing system logic to continuously improve system reliability and reduce technical debt.
• Provide technical direction and execute strategic decisions encompassing information architecture, software design, analytics, and instrumentation.

Technical Leadership & Collaboration

• Mentor and guide team members, participate in code reviews, and foster a culture of high performance, continuous learning, and technical excellence.
• Collaborate with leadership and key stakeholders to define technology strategy, standards, and roadmaps, effectively addressing gaps between functional goals and existing capabilities.
• Drive technical decisions on software development projects, estimate project scope, and create comprehensive documentation.
• Partner seamlessly across technical disciplines, including web and mobile app development, to ensure cohesive service integration.

Engineering Excellence

• Champion AI-assisted coding workflows and automation techniques to efficiently divide large problem statements and enforce structural architecture practices.
• Adhere to and advocate for best practices in code development, version control, continuous integration/delivery, and test/build automation.

What You Bring

• Bachelor's degree (or foreign equivalent) in Computer Science, Information Technology, or Engineering.
• 8+ years of strong, hands-on programming experience, including deep expertise in Java, Spring Framework, and Spring Boot.
• Proven track record of designing, developing, and managing distributed microservice architectures.
• Strong hands-on experience designing API ecosystems (RESTful and GraphQL) and event-driven architectures using messaging systems like NATS.IO and Apache Kafka.
• Solid practical experience with concurrency and multi-threading to optimize application performance and responsiveness.
• 5+ years of experience utilizing containerization and orchestration technologies, including Docker, Kubernetes, and ArgoCD, for deploying web services into clusters.
• Exceptional problem-solving skills and the ability to apply established software design patterns to complex engineering challenges.
• Demonstrated ability to integrate AI coding workflows to streamline development. Proficiency in modern development environments such as Kiro IDE is highly preferred.
• Experience in business process management and decision models, including Camunda BPMN.

Nice to Have

• Experience with IVR technologies, including voice-to-XML conversion technology, VXML, CCXML, SCXML, and the RIVR framework, to create and optimize effective IVR systems.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.