Lead Developer - Java, microservices, AWS

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Team Overview

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