Lead Java Engineer — Web Apps + Cloud Architecture

G2O; Pittsburgh (Allegheny County); On-site; USD 140,000 - 190,000; Full time

Job summary

G2O in Pittsburgh is seeking a senior Java full-stack engineer to lead the design, development, and maintenance of Java-based applications, with React front-end work.

You will mentor junior developers, define technical direction, and partner with product managers to translate requirements into scalable, high-performance solutions. This on-site role requires strong architecture, experience with microservices, cloud platforms, and Agile practices.

Qualifications

• 12+ years in software development focused on Java and full-stack.
• Expertise in architecture, microservices, cloud platforms (AWS, GCP), and DevOps.
• Experience with design patterns, domain-driven design, and complex systems.
• Strong hands-on with Java J2EE, Spring Boot, Hibernate, Groovy, and React.
• Experience with databases (MySQL, Oracle, PostgreSQL, MongoDB).
• Familiarity with Agile/Scrum and DevOps practices.

Responsibilities

• Lead the team to design, develop, and maintain Java-based applications, provide technical guidance, mentoring junior developers, and overseeing the software development lifecycle from requirements to deployment
• Design and implement scalable and high-performance web applications using Java for back-end services and React for front-end development.
• Collaborate with product managers and other stakeholders to gather requirements and translate them into technical specifications.
• Develop RESTful APIs to support front-end functionality and ensure seamless integration between the front-end and back-end.
• Optimize applications for maximum speed and scalability, ensuring high performance and responsiveness.
• Participate in code reviews and provide constructive feedback to team members to maintain code quality and best practices.
• Troubleshoot and debug applications, identifying and resolving issues in a timely manner.
• Stay current with emerging technologies and industry trends to continuously improve development processes and practices.

Skills

Java

Full-stack

Spring Boot

Hibernate

React

Microservices

AWS/GCP

DevOps

DDD

Agile/Scrum

Tools

J2EE

Groovy

MySQL

Oracle

PostgreSQL

MongoDB

Job description

G2O in Pittsburgh is seeking a senior Java full-stack engineer to lead the design, development, and maintenance of Java-based applications, with React front-end work.

You will mentor junior developers, define technical direction, and partner with product managers to translate requirements into scalable, high-performance solutions. This on-site role requires strong architecture, experience with microservices, cloud platforms, and Agile practices.