Principal Software Engineer driving architecture and innovation in scalable, real-time payment systems. Mentoring engineers and aligning technology with compliance and business needs at T-Mobile.
Responsibilities
Lead the architecture and implementation of scalable, event-driven financial systems supporting payments, settlements, and reconciliations
Drive adoption of modern Java microservice patterns using Spring Boot, RESTful APIs, and contract-first design (OpenAPI)
Champion observability and production excellence — ensuring deep traceability, resilience, and performance across distributed systems
Mentor engineers across teams, establish best practices in design reviews, testing, and secure development
Partner with cross-functional leaders in Product, Compliance, and Security to align technology with business and regulatory needs
Define and evolve the Fintech engineering roadmap — balancing innovation with compliance, scalability, and reliability
Evaluate emerging financial technologies and guide adoption of event streaming, data analytics, and automation frameworks
Contribute to engineering standards, API governance, and rollout/rollback strategies across the organization
Requirements
Bachelor’s degree in Computer Science, Software Engineering, or related field (required)
7-10+ years of software engineering experience with increasing scope and technical leadership
Strong experience with Payments and Money Movement (e.g., ledgers, settlements, reconciliation, disputes)
Exposure to Risk & Compliance workflows such as KYC/KYB/AML orchestration, sanctions screening, or fraud prevention
Understanding of financial data handling and auditability (retention, masking, observability)
Knowledge of Java Microservices: Java 11+, Spring Boot, RESTful APIs, OpenAPI, backward-compatible versioning
Eventing & Schemas: Kafka or AWS EventBridge; schema registry with compatibility rules
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