Senior Java Developer

Trantor Inc.; Palo Alto, Northern (CA, KY); Hybrid; USD 150,000 - 210,000; Full time

Job summary

Trantor Inc. in Palo Alto seeks a Senior Java Developer to build scalable microservices with Java Spring Boot, deploy apps on Kubernetes, and integrate complex systems while working closely with clients.

You will mentor junior developers and contribute to architectural design, focusing on non-blocking, reactive code and robust data flows in a fast-paced tech services environment.

Qualifications

• 5+ years of hands-on Java development with Spring Boot.
• Experience building and deploying microservices in production.
• Strong knowledge of RESTful API design and cloud platforms (AWS).

Responsibilities

• Develop and maintain scalable microservices with Java Spring Boot.
• Design containerized apps and deploy on Kubernetes clusters.
• Collaborate with clients and cross-functional teams to refine requirements.
• Perform peer code reviews to ensure quality and best practices.
• Develop non-blocking and reactive Java code for resilient systems.
• Integrate multiple systems and APIs to enable data flows.
• Mentor junior developers and promote code quality.

Skills

Java Spring Boot

Kubernetes

RESTful APIs

CI/CD

Docker

AWS

Mentoring

Microservices

Education

Bachelor's degree in Computer Science or related field

Tools

Jenkins

GitHub Actions

Git

Terraform

Job description

About Trantor:

Trantor is a technology services company focused on outsourced product development and digital re-engineering. Leveraging our CaptiveCoE™ engagement model, we operate as a seamless extension of our client’s teams to provide rapid scalability with predictable budgets. Founded in 2012, Trantor has worked with customers across Tech, FinTech, Media & Cybersecurity industries. We have centers in the US, India, Canada, and Costa Rica. We are consistently rated as the #1 employer in the region with the ability to attract and retain technical talent. Our commitment to excellence and impactful results has translated to long‑term relationships and value for our clients and solution partners.

Job Overview

We are seeking a highly skilled Senior Java Developer to join our software development team. The ideal candidate will have strong hands‑on experience in building scalable microservices using Java Spring Boot, deploying applications in Kubernetes, and integrating complex systems. The role involves close collaboration with customers to understand requirements, mentoring junior developers, and contributing to the overall architectural design of the system.

Roles & Responsibilities

• Develop and maintain scalable, high-performance microservices using Java Spring Boot.
• Design and implement containerized applications and manage deployments on Kubernetes clusters.
• Collaborate with clients and cross‑functional teams to gather and refine requirements into effective technical solutions.
• Perform peer code reviews, ensuring code quality, consistency, and adherence to best practices.
• Develop non‑blocking and reactive Java code using reactive extensions to build efficient, resilient systems.
• Integrate multiple software systems and APIs to enable seamless data flow across platforms.
• Mentor and guide junior developers, promoting knowledge sharing, code quality, and development best practices.

Skills Required

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
• 5+ years of hands‑on experience in software development using Java Spring Boot.
• Proven experience developing and deploying microservices in production environments.
• Working knowledge of containerization and orchestration using Docker and Kubernetes.
• Strong understanding of software integration patterns and RESTful API development.
• Excellent communication and collaboration skills, with the ability to work closely with customers and technical teams.
• Experience with CI/CD pipelines.
• Knowledge of cloud platforms (AWS) and related services.
• Strong knowledge of BPMN with proficiency in one or more of Flowable, jBPM, Activiti, or Camunda.

Good to Have

• Experience in integrating with Salesforce or similar enterprise CRM systems.
• Familiarity with frontend technologies, particularly modern JavaScript frameworks such as React or AngularJS.
• Experience with CI/CD pipelines and tools like Jenkins, GitHub Actions, or GitLab CI.
• Strong analytical skills with a proactive approach to problem‑solving.