3 days ago
Base Salary
$141k - $173k/yr
Responsibilities
- Lead the decoupling of credit adjudication logic from a legacy monolith into scalable Java/Spring Boot microservices.
- Design and execute high-volume, zero-downtime migration strategies for live production systems.
- Build modular adjudication layers, versioned REST/gRPC APIs, and backend infrastructure for dynamic A/B testing.
- Support bidirectional data and state synchronization with Salesforce systems.
- Use event-driven architecture and contract-first development to maintain consistency and collaboration across systems.
- Establish standards for observability, automated contract testing, and production operations.
- Partner with Data Science teams on data pipelines and backend schemas for LLM integration and real-time credit decisioning.
- Mentor mid-level and senior engineers and promote high engineering standards and AI-assisted productivity.
Requirements
- 10+ years of engineering experience with backend architecture in fintech, lending, or credit systems.
- Expert proficiency in Java, Spring Boot, and Spring Cloud, including Java 17/21 and Spring Boot 3.x.
- Significant experience migrating tightly coupled legacy backends to scalable cloud microservices on AWS.
- Experience building or implementing rules engines such as Drools, Camunda, or custom JSON-logic solutions.
- Deep experience with Kafka or RabbitMQ for asynchronous data consistency during system migrations.
- Experience with API contracts and OpenAPI/Swagger-based contract-first development.
- Hands-on experience using AI coding assistants such as Cursor or GitHub Copilot to refactor code, generate tests, and accelerate delivery.
- Strong analytical, communication, presentation, and cross-functional problem-solving skills.
- Bachelor’s degree in Computer Science or a related technical field.
- Salesforce proficiency is a strong advantage.
Benefits
- Benefits include health, dental, and vision insurance; retirement savings plans; paid time off; health savings and flexible spending accounts; life and disability insurance; tuition reimbursement; and additional well-being benefits.
- The role may be eligible for a quarterly or annual bonus under the applicable non-sales compensation plan.
Tech Stack
Categories
About WEX
WEX is a public financial technology company that provides corporate payment solutions to fleets, healthcare/benefits administrators, and travel businesses. Its products include fuel and mobility cards, virtual card payments, and platforms for HSAs/FSAs/HRAs, with revenue from payment processing and software/service fees. Founded in 1983 and headquartered in Portland, Maine, WEX trades on the NYSE under WEX and was formerly known as Wright Express.