Senior Java Engineer

Fathom Management LLC•Austin, TX

3d•$130,000 - $150,000•Remote

About The Position

The Senior Java Engineer will lead the design, development, migration, and support of scalable Java-based microservices and APIs in a modern cloud environment. This role requires strong hands-on engineering capability, technical leadership, and experience modernizing legacy systems. The ideal candidate is a strong Java engineer who brings hands-on development experience. They will be part of the technical team of 3-4 developers through design, development, and maintenance of Application Programming Interfaces (APIs) that enable communication between different software systems.

Requirements

8+ years of experience leading technical teams in building scalable modern Java services.
Proven experience breaking down large, complex legacy monoliths into smaller, independent services.
Deep hands-on knowledge of modern Java, Spring Boot, Hibernate, and REST API development.
Experience with relational databases such as PostgreSQL or MySQL.
Strong experience designing, building, and maintaining APIs.
Ability to lead engineering teams while remaining hands-on with development.
Experience with Docker, Kubernetes, and Helm.
Familiarity with application security principles and secure development practices.
Familiarity with Git version control.
Familiarity with OAuth.

Nice To Haves

Ruby-to-Java migration experience preferred but not required.

Responsibilities

Design and development of APIs, including specifications, endpoints, data models, and protocols such as REST and GraphQL.
Be hands-on in the codebase, contributing production-grade code for core services.
Work with Technical lead to do code reviews to ensure code quality, maintainability, and security.
Partner closely with the Engineering Crew Lead and API Architect to review solution design and deliver robust, scalable solutions.
Ensure seamless integration of APIs with internal systems, external applications, and third-party services.
Promote the effective use of AI-enabled tools in the API development lifecycle to improve productivity and code quality.
Create and maintain clear, comprehensive API documentation for consumers, including usage guidance and best practices.
Implement and uphold security best practices, including authentication, authorization, and encryption.
Interface with external engineering teams to ensure alignment on technical standards, governance requirements, compliance obligations, and ongoing cATO maintenance.
Monitor and optimize API performance, reliability, and scalability.
Manage API versioning and support backward compatibility as services evolve.
Provide ongoing support, troubleshoot production issues, and implement enhancements based on stakeholder feedback.
Participate in Tier 1 and Tier 2 on-call operations