Lead Developer - Java, microservices, AWS

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Team Overview

Trusted Call Solutions

This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

Role Overview And Core Responsibilities

TransUnion is seeking a Lead Software Development Engineer to help shape, build, and evolve enterprise-grade applications within our Trusted Call Solutions and Mobile Messaging product portfolio, including KONTXT-brand products, Branded Messaging, and Messaging Fraud Protection capabilities.

Required Knowledge And Experiences

Key Responsibilities

• Lead the technical design, architecture, and implementation of enterprise-grade Java and Spring-based applications.
• Architect, write, and review technical specifications for new components, integrations, APIs, data flows, and system enhancements.
• Design and evolve production, development, and QA Java environments, including application server patterns, APIs, n-tier designs, integration patterns, and operational support models.
• Provide hands-on development for complex components while guiding other engineers through design, coding, testing, deployment, and troubleshooting.
• Collaborate with product managers, architects, QA, operations, business stakeholders, and engineering teams to translate business requirements into scalable technical solutions.
• Review current systems and programs, identify improvement opportunities, and recommend practical modernization, performance, reliability, and maintainability enhancements.
• Analyze and optimize application performance, identify bottlenecks, and lead improvements to speed, scalability, and reliability.
• Provide day-to-day escalated application troubleshooting for complex issues across distributed services, messaging systems, databases, APIs, and cloud-connected environments.
• Create and maintain technical specifications, nonfunctional specifications, estimates, implementation plans, and design documentation.
• Help shape and promote engineering strategy, Agile/Scrum practices, QA procedures, code quality standards, and release-readiness expectations.
• Mentor engineers, provide code and design review feedback, and raise the technical bar for the team.
• Provide DevOps consultation when needed, including deployment, operational readiness, monitoring, alerting, automation, and supportability considerations.

Required Qualifications

• 9+ years of experience designing and developing Spring-based Java services.
• Strong experience with Java, Spring Boot, Spring Web, Spring Security, Spring Data, Kafka, and Cassandra.
• Strong fluency in object-oriented design, microservices architecture, distributed systems, and applicable Java technologies.
• Proven ability to design and deliver scalable, reliable, production-grade backend services and RESTful APIs.
• Experience creating technical specifications, architecture documentation, nonfunctional requirements, and implementation estimates.
• Strong understanding of data-intensive systems, messaging platforms, data storage and retrieval patterns, performance optimization, and production troubleshooting.
• Strong Linux skills.
• Familiarity with AWS or comparable cloud technology.
• Demonstrated ability to lead technical discussions, influence architecture, and guide engineers without relying solely on formal authority.
• Strong communication skills with the ability to work across engineering, product, QA, operations, architecture, and business teams.

Preferred Qualifications

• Familiarity with Spark or similar distributed data-processing technologies.
• Experience with Docker, Kubernetes, or container orchestration platforms.
• Experience with CI/CD, infrastructure automation, test automation, and deployment standardization.
• Experience with monitoring and alerting tools such as Prometheus, Grafana, Splunk, or similar platforms.
• Experience with telecommunications, mobile messaging, fraud prevention, identity, STIR/SHAKEN, SIP, API security, or related communications technologies.
• Experience modernizing legacy systems into cloud-ready or cloud-native service architectures.
• Experience leading technical delivery across geographically distributed teams.

TransUnion Overview:

At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good, which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development— while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.

Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology.

TransUnion Job Title

Lead Developer, Software Development