Java Software Developer

Requirements

Must have:

- We require 10+ years of overall professional experience, including 8+ years of hands-on development with Java 11+ and Spring Boot.

• We require deep expertise in Oracle databases, including PL/SQL, performance tuning, query optimization, and data modeling.
• We require strong experience with Apache Kafka, including producers, consumers, Kafka Streams, and schema registry.
• We require a proven track record of delivering large-scale distributed systems in production.
• We require solid experience designing RESTful APIs and building microservice-based architectures.
• We require familiarity with CI/CD practices, Docker, and Kubernetes.
• We require AI literacy, with the ability to assess AI tools and apply them to engineering challenges.
• We require influence-driven technical leadership across multiple teams.
• We strongly prefer experience in the telecom domain, especially network/mobile provisioning or billing systems.
• We strongly prefer experience with MNO or MVNO environments.
• We strongly prefer exposure to AI/ML platforms.
• We prefer candidates who can work on-site 4 days per week in St. Louis, with Denver considered as a second preference.

Responsibilities:

- We lead the design and implementation of high-throughput distributed systems using Java and Spring Boot.

• We own the end-to-end technical architecture for cross-functional initiatives across provisioning, billing, network, and customer or agent-facing applications.
• We architect event-driven solutions with Apache Kafka to support real-time streaming and system integration.
• We evaluate and introduce AI and ML tools into engineering workflows to improve productivity.
• We define engineering standards, facilitate design reviews, and mentor senior engineers.
• We partner with product and architecture stakeholders to convert business requirements into scalable technical solutions.
• We lead production incident response, perform root cause analysis, and drive lasting platform improvements.
• We contribute hands-on code when needed to deliver critical technical and business functionality.
• We guide technical decisions across teams as a principal-level leader within our Mobile organization.

Company:

We are seeking a principal-level Java Software Developer III to join our Mobile organization in a highly influential technical leadership role. This position is primarily based in St. Louis with a 4-day in-office schedule, and Denver is considered as a second location preference with the same on-site expectation. We operate in the telecom domain, and this background is essential for success in the role. The position offers a pay range of $50–$55 per hour. Our team is focused on building scalable, production-grade systems and modern engineering practices, with an increasing emphasis on adopting AI/ML capabilities to strengthen developer productivity and technical execution.