Staff Software Engineer
wex
1h ago • Remote
Senior
Remote
140,600 - 173,100 USD/yr
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Quick Facts
- Role: Staff Software Engineer
Description
You will be the primary architect and execution lead for migrating a digital credit application platform from a legacy monolith to a cloud-native, pluggable microservices API ecosystem. The mission includes decoupling core adjudication logic, supporting zero-downtime high-volume migrations, and enabling modular, API-first adjudication with A/B experimentation. The role emphasizes using AI-enabled development lifecycle tools to accelerate migration while maintaining production-grade quality.
Responsibilities
- Lead Strangler Fig migration by extracting core credit adjudication logic into Java/Spring Boot microservices
- Design and execute zero-downtime traffic migration strategies for live customers
- Build a modular adjudication layer to swap/update credit rules and third-party data providers safely
- Develop robust, versioned REST and gRPC APIs for multi-channel experiences
- Engineer backend infrastructure to support dynamic routing and A/B testing of customer journeys
- Champion AI-assisted development: code generation, refactoring, strong test creation, and automated documentation
- Establish observability and CI/CD standards, including OpenTelemetry and automated contract testing
- Mentor engineers and drive clean code and high engineering standards
- Partner with Data Science on backend schemas/pipelines optimized for LLM integration and real-time credit decisioning models
- Support event-driven consistency during migration using Kafka or RabbitMQ
Requirements
- 10+ years of backend engineering excellence, with experience in fintech, lending, or credit systems
- Expert-level Java 17/21 and Spring Boot 3.x
- Experience extracting tightly coupled logic from legacy backends into scalable cloud microservices (AWS)
- Experience building or implementing rules engines (e.g., Drools, Camunda, or custom JSON-logic)
- Experience with event-driven design using Kafka or RabbitMQ
- Contract-first API development practices using OpenAPI/Swagger
- Strong AI DLC/tooling proficiency using AI coding assistants to accelerate delivery and improve testing
- Strong analytical, communication, and cross-functional problem-solving skills
- Bachelor’s degree in Computer Science or a related technical field
Benefits
- Comprehensive, market-competitive benefits including health, dental, and vision insurance, retirement savings plan, paid time off, HSA/FSA, life and disability insurance, and tuition reimbursement
- Base pay range: $140,600.00 - $173,100.00
- Additional bonus eligibility for non-sales roles (quarterly or annual) based on applicable plan
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