Senior Java Fullstack Developer

ERS Information Systems; United States; Remote; USD 15,000 - 19,000; Full time

Job summary

ERS Information Systems is seeking a Senior Principal Java Full Stack Developer in Coimbatore to lead architecture and deliver enterprise-grade e-commerce platforms. You will drive frontend and backend excellence, design scalable microservices with Java 17/21+, Spring Boot 3.x, and Spring Cloud, and work on event-driven systems with Kafka.

The role requires hands-on expertise across backend, frontend, cloud, distributed systems, and modern AI technologies, including React, Angular, AWS/Azure,

Qualifications

• 10–15 years of software development experience.
• Strong hands-on in backend and frontend.
• Proven expertise in Modern Java, Spring Boot, Microservices, React, Angular.
• Experience with Oracle Cloud WMS (LogFire) or similar enterprise platforms.

Responsibilities

• Lead the architecture, design, and implementation of scalable enterprise e-commerce platforms.
• Drive technical excellence across both frontend and backend systems.
• Design and develop high-throughput microservices using Java 17/21+, Spring Boot 3.x, Spring Cloud, and Spring WebFlux.
• Build event-driven architectures using Apache Kafka.
• Lead modern UI development using React and Angular.
• Architect Micro-Frontend architectures and Module Federation.
• Integrate applications with Oracle Cloud WMS (LogFire) or similar platforms.
• Design secure, scalable REST APIs and enterprise integrations.
• Drive performance tuning and observability with Prometheus, Grafana, and OpenTelemetry.
• Deploy cloud-native solutions on AWS and/or Azure.
• Work with Docker, Kubernetes, Helm, CI/CD, GitHub Actions, Jenkins, and GitOps.
• Explore Generative AI/LLM capabilities to boost productivity.

Skills

Java Expertise

Leadership

Architectural Leadership

Agile Experience

Tools

Spring Boot 3.x

Spring Cloud

Spring WebFlux

Kafka

AWS

Azure

Kubernetes

Docker

GitHub Actions

Jenkins

Job description

Senior Principal Java Full Stack Developer

Experience: 10 - 15 Years
Salary: 1518 LPA
Work Timings: 3:30 PM 12:30 AM
Employment Type: Full-time
Work Location: Coimbatore / [Specify Work Mode]

About the Role

We are looking for a Senior Principal Java Full Stack Developer with 1015 years of experience to lead the architecture, design, and development of enterprise-grade e-commerce platforms within a high-velocity Agile environment.

This is a senior technical leadership role requiring strong hands-on expertise across backend, frontend, cloud, distributed systems, event-driven architecture, and modern AI technologies.

The ideal candidate will have production-proven expertise in Modern Java, Spring Boot, Microservices, React, Angular, Kafka, AWS/Azure, and Kubernetes, along with experience integrating enterprise platforms such as Oracle Cloud WMS (LogFire).

Key Responsibilities

• Lead the architecture, design, and implementation of scalable enterprise e-commerce platforms.
• Drive technical excellence across both frontend and backend systems.
• Design and develop high-throughput microservices using Java 17/21+, Spring Boot 3.x, Spring Cloud, and Spring WebFlux.
• Build event-driven and real-time architectures using Apache Kafka.
• Lead modern UI development using both React and Angular.
• Design and implement Micro-Frontend architectures and Module Federation.
• Integrate applications with Oracle Cloud WMS (LogFire) or comparable enterprise warehouse management platforms.
• Design secure, scalable, and high-performance REST APIs and enterprise integrations.
• Drive application performance, query optimization, memory tuning, and scalability.
• Implement application observability using Prometheus, Grafana, and OpenTelemetry.
• Architect and deploy cloud-native solutions on AWS and/or Azure.
• Work with Docker, Kubernetes, Helm, CI/CD, GitHub Actions, Jenkins, and GitOps.
• Evaluate and integrate Generative AI / LLM capabilities to improve developer productivity and customer experiences.
• Provide technical leadership, mentor senior engineers, and contribute to engineering roadmaps.
• Collaborate closely with Product Managers, Enterprise Architects, Solution Architects, and engineering teams.
• Establish coding standards, architectural guidelines, and engineering best practices.

Required Technical Skills

Backend & Microservices

• Strong expertise in Core Java 17/21+
• Spring Boot 3.x, Spring Cloud, Spring Security
• Spring WebFlux & Reactive Programming
• Microservices architecture
• Hibernate 6.x / JPA
• REST APIs
• SQL / NoSQL databases
• Query optimization and memory tuning

Frontend

• Strong hands-on experience in BOTH React and Angular
• Angular 16+
• RxJS, NgRx, Signals
• React Hooks, Context API, Redux Toolkit
• Next.js
• TypeScript
• Modern JavaScript / ESNext
• Micro-Frontend architecture
• Module Federation

Event-Driven Architecture

• Apache Kafka
• Kafka Streams
• Schema Registry
• Kafka Connect
• KSQL
• Real-time event processing and event-driven systems

Enterprise Integration

• Oracle Cloud WMS (LogFire) or similar Tier-1 WMS platforms
• Enterprise application integration
• API-based integrations
• Distributed systems

Cloud & DevOps

• Advanced architecture experience in AWS and/or Azure
• Docker
• Kubernetes
• Helm
• GitHub Actions
• Jenkins
• GitOps
• CI/CD pipelines

Performance & Observability

• JMeter
• Prometheus
• Grafana
• OpenTelemetry
• Performance benchmarking and optimization

AI / Generative AI

• Working knowledge of Generative AI / LLM integration
• OpenAI APIs or similar LLM APIs
• LangChain
• Vector databases such as pgvector
• AI-assisted engineering and productivity solutions

Leadership & Architecture

• Proven experience leading technical architecture and engineering roadmaps
• Ability to translate complex business requirements into scalable technical solutions
• Experience mentoring and guiding senior engineering professionals
• Strong collaboration with Product Managers and Enterprise Architects
• Excellent problem-solving and communication skills
• Strong understanding of Agile methodologies and high-velocity engineering environments
• Ability to remain hands-on while providing technical direction and architectural leadership.