Senior Full-Stack Developer – Network OSS || Any Visa Workable

Ampstek; Middletown (NJ); On-site; USD 120,000 - 160,000; Full time

Job summary

Ampstek is seeking a Senior Full-Stack Developer to lead design, development, and optimization of high-performance applications for Network OSS Service Delivery. You will build Java Spring Boot backends, React interfaces, and cloud-native architectures while owning code quality with comprehensive unit tests.

The role emphasizes design of scalable backend services, secure API integrations (REST/SOAP), and low-latency data processing for large telecom datasets, with on-site work in Middletown, NJ.

Qualifications

• Experience with Java, Spring Boot and microservices architecture.
• Deep understanding of RESTful web services and legacy SOAP protocols.
• Expertise in optimizing high-performance backend query technologies and database schemas.

Responsibilities

• Design and build high-performance backend microservices with Spring Boot.
• Develop responsive, modern UI with React where needed.
• Integrate secure REST and SOAP APIs and optimize data access for telecom datasets.
• Architect low-latency queries and ensure resilience in distributed systems.
• Deploy and operate apps using Docker/Kubernetes in Azure, with CI/CD enhancements.

Skills

Java

Spring Boot

Microservices

REST APIs

SOAP

Database optimization

Tools

Docker

Kubernetes

Temporal

Camunda

Azure

Job description

Location: Middletown, NJ (onsite)

Duration: Long term contract

Job Overview

We are seeking a high-caliber Senior Full-Stack Developer to join our critical Network OSS Service Delivery team. You will lead the design, development, and optimization of high-performance applications handling Network Inventory Systems and Provisioning Systems. In this role, you will build robust Spring Boot backend systems, create modern React interfaces, and implement resilient cloud-native architectures. You will maintain strict ownership of code quality by writing comprehensive unit tests to ensure minimal production bugs.

Key Responsibilities

Full-Stack OSS Development

• Design and build high-performance backend microservices using Spring Boot.
• Develop responsive, intuitive, and modern user interfaces utilizing React.
• Integrate complex systems through secure, optimized REST and SOAP APIs.
• Architect low-latency, high-performance database queries to process large-scale telecom datasets.

Workflow & Core Orchestration

• Implement complex orchestration logic using workflow engines (e.g., Temporal, Camunda).
• Model end-to-end network provisioning and service delivery lifecycles into automated state machines.
• Optimize distributed system states to ensure high resilience and zero transaction loss.
• Deploy applications using containerized architectures including Docker and Kubernetes.
• Manage and scale cloud-native applications within the Microsoft Azure ecosystem.
• Collaborate with engineering teams to refine CI/CD pipeline automation and monitoring tools.

Software Quality Assurance

• Write comprehensive, high-coverage unit and integration test cases for all written code.
• Ensure delivery of highly stable software components with minimal post-release bugs.
• Conduct rigorous peer code reviews to maintain architecture standards and system security.

Required Skills & Qualifications

• Frameworks: Extensive experience with Java, Spring Boot, and microservices architecture.
• APIs: Deep understanding of RESTful web services and legacy SOAP protocols.
• Data Layer: Expertise in optimizing high-performance backend query technologies and database schemas.

Frontend Development

Cloud & Workflow Orchestration

• Workflows: Direct experience building stateful systems with Temporal, Camunda, or similar engines.
• Containers: Hands-on experience with Docker containerization and Kubernetes orchestration.
• Cloud Platform: Proven track record deploying and managing apps in Microsoft Azure.

Telecom Domain Expertise

• OSS Systems: Deep functional knowledge of Network Inventory Systems and Network Provisioning.

Preferred Qualifications

• Experience migrating legacy telecom OSS platforms to modern, cloud-native tech stacks.