Principal Java Developer - Richardson, TX

Optomi, in partnership with a leading technology firm, is seeking a Principal Java Developer to support and modernize existing applications, including legacy systems, while building new scalable solutions in a modern Java full‑stack environment. This role is ideal for a highly experienced engineer with strong technical depth, hands‑on experience across front‑end, back‑end, cloud, and database development, and the ability to mentor junior developers while driving engineering best practices. Responsibilities Design, develop, and maintain high‑quality, production‑grade applications using modern full‑stack technologies. Build and enhance applications using Java 17+, Spring Boot, ReactJS, microservices, and cloud‑based architecture. Support and modernize existing applications, including legacy systems. Develop RESTful APIs and web services following best practices. Work with both relational and NoSQL databases to support scalable application development. Collaborate with cross‑functional teams to drive engineering excellence and deliver business‑focused solutions. Mentor junior developers through code reviews, technical guidance, and knowledge sharing. Ensure code quality, maintainability, performance, and adherence to coding standards. Experience 10+ years of hands‑on software development experience. Strong experience with Java 17+, Spring Boot, and microservices architecture. Proven front‑end development experience with ReactJS. Experience designing and deploying cloud‑based solutions using AWS and/or Azure. Strong experience working with relational databases such as SQL Server or PostgreSQL. Experience with NoSQL databases such as MongoDB or Elasticsearch. Strong understanding of RESTful API design and backend service development. Ability to mentor junior engineers and provide technical leadership in a collaborative team environment. #J-18808-Ljbffr Optomi