Java Full stack Lead Developer

Simarn Solutions; San Antonio (TX); On-site; USD 140,000 - 210,000; Full time

Job summary

Simarn Solutions in San Antonio, TX, seeks a hands-on Java Full Stack Lead to drive enterprise app design, development, and deployment. You will lead backend services with Java, Spring and Spring Boot, and frontend work with React.js and Redux, building REST APIs and microservices.

Mentor teams, collaborate with onsite and offshore members, and ensure robust CI/CD using Docker, Kubernetes and OpenShift in an Agile environment.

Qualifications

• 10+ years of Java/J2EE development experience, with hands-on leadership.
• Strong backend with Java, Spring and Spring Boot.
• Front-end proficiency with React.js and Redux; REST API/microservices experience.
• Experience with Docker, Kubernetes and OpenShift in CI/CD environments.
• OO design and common patterns; agile team leadership and cross‑continent collaboration.

Responsibilities

• Lead design, development, and implementation of enterprise apps.
• Develop scalable backend services using Java/J2EE, Spring, Spring Boot.
• Build responsive frontend apps using React.js and Redux.
• Design RESTful APIs and microservices.
• Guide code reviews, architecture discussions, testing, and production support.
• Coordinate with onsite and offshore teams in an Agile setting.
• Provide technical guidance and mentorship to developers.

Skills

Java/J2EE

Spring

Spring Boot

React.js

Redux

REST APIs

Microservices

Docker

Kubernetes

OpenShift

Object-Oriented Design

Design Patterns

Agile

Technical leadership

onsite/offshore

Tools

GitLab

Kafka

jQuery

AJAX

JSON

HTML

CSS

Job description

Java Full Stack Lead Developer – React.js

Experience: 10+ years

We are looking for an experienced Full Stack Java Technical Lead with strong hands‑on experience in Java backend development and React.js frontend development. The ideal candidate will have proven technical leadership experience and the ability to work effectively with onsite and offshore teams.

Key Responsibilities:

• Lead the design, development, and implementation of enterprise applications.
• Develop scalable backend services using Java, J2EE, Spring, and Spring Boot.
• Build responsive and scalable frontend applications using React.js and Redux.
• Design and develop RESTful APIs and microservices.
• Apply Object-Oriented Design principles and common design patterns.
• Work with Docker, Kubernetes, and OpenShift for application deployment and management.
• Troubleshoot complex technical issues and provide effective solutions.
• Participate in code reviews, technical design discussions, testing, and production support.
• Collaborate with onsite and offshore development teams in an Agile environment.
• Provide technical guidance and mentorship to development team members.

Required Skills:

• 10+ years of experience in Java/J2EE development.
• Strong hands‑on experience with Java, Spring, and Spring Boot.
• Strong experience with React.js and Redux.
• Experience developing REST APIs and microservices.
• Experience with Docker, Kubernetes, and OpenShift.
• Strong understanding of Object-Oriented Programming and Design Patterns.
• Experience working in Agile environments.
• Strong communication and technical leadership skills.
• Experience working with onsite/offshore teams.

Preferred Skills:

• Kafka
• GitLab
• jQuery and AJAX
• JSON, HTML, and CSS

Ideal Candidate:

A hands‑on Technical Lead who can work across both backend and frontend technologies, provide technical leadership, solve complex problems, and collaborate effectively with distributed development teams.