Staff Software Architect: AI-Driven Microservices Leader

Maine Tech Hub; Portland (ME); On-site; USD 141,000 - 173,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Retirement plan

Paid time off

Job summary

WEX Inc. in South Portland, Maine, is seeking a Staff Software Engineer to architect and lead migration of the Digital Credit Application platform.

You will drive a shift from a legacy monolith to a cloud-native, microservices-based Java/Spring Boot stack, enabling rapid experimentation and AI-enabled decisioning. Lead the API ecosystem, guide zero-downtime migrations, and mentor engineers while partnering with Data Science for real-time credit decisioning.

Qualifications

• 10+ years of backend software engineering experience in fintech or lending.

Responsibilities

• Architectural migration of core credit logic from legacy monoliths to cloud-native microservices.

Skills

Java

Spring Boot

Microservices

AWS

API Design

Kafka/RabbitMQ

Technical Leadership

AI Tools (Copilot/Cursor)

Education

Bachelor's degree in Computer Science or related field

Tools

OpenTelemetry

GitHub Copilot

Cursor

OpenAPI/Swagger

Job description

WEX Inc. in South Portland, Maine, is seeking a Staff Software Engineer to architect and lead migration of the Digital Credit Application platform.

You will drive a shift from a legacy monolith to a cloud-native, microservices-based Java/Spring Boot stack, enabling rapid experimentation and AI-enabled decisioning. Lead the API ecosystem, guide zero-downtime migrations, and mentor engineers while partnering with Data Science for real-time credit decisioning.