About the Team/Role
As a Software Development Engineer, you will be a key contributor to the modernization of WEX’s Digital Credit Application. You will help build the high-performance API layer that replaces our legacy Salesforce-heavy workflows. This role is perfect for a backend specialist who enjoys solving complex integration puzzles, building pluggable business logic, and ensuring that our new "modern experience" is fast, reliable, and ready for future AI-driven features.
How you’ll make an impact
Feature Development: Develop and maintain scalable microservices using Java 17+ and Spring Boot to support new credit application journeys.
Migration Support: Assist in migrating business logic from Salesforce (Apex/Flows) into independent, cloud-native services without disrupting the current customer experience.
API Craftsmanship: Build and document clean, developer-friendly REST APIs that power our A/B testing framework and multi-channel frontends.
Pluggable Logic: Implement modular "Adjudication" components that allow for easy integration with third-party credit bureaus and risk engines.
Data Integrity: Ensure seamless data synchronization between our new PostgreSQL databases and the Salesforce system of record using event-driven patterns.
Quality & Testing: Write "test-first" code (JUnit/Mockito) and contribute to automated CI/CD pipelines to ensure 100% confidence in every deployment.
Experience you’ll bring
3–6 Years of Experience: Strong background in backend software development, preferably in high-growth Fintech or E-commerce environments.
Java Specialist: Deep hands-on experience with Java and the Spring Ecosystem (Spring Boot, Spring Data, Spring Security).
API Design: Proven ability to build and scale RESTful services. Familiarity with GraphQL or gRPC is a plus.
Cloud & Databases: Experience working with AWS (Lambda, EC2, RDS) and proficiency in SQL (PostgreSQL) and NoSQL.
Message Brokers: Practical experience with asynchronous messaging like Kafka or RabbitMQ.
Modern Tooling: Comfort with Docker, Kubernetes, Git, and Maven/Gradle.
Problem Solver: Ability to debug complex issues across distributed systems and a passion for refactoring legacy code into clean, modular patterns.
Highly Motivated and Self-Learning: Possesses a strong desire to rapidly acquire new skills, tools, and domain knowledge with minimal supervision.
Demonstrates initiative, intellectual curiosity, and an eagerness to take on new challenges.
Excellent collaboration and communication skills, comfortable asking questions and seeking guidance when needed.
Champions a positive attitude, technical curiosity, and a relentless focus on quality and continuous improvement.
Skills Required
- 3-6 years of backend software development experience
- Deep hands-on experience with Java and Spring ecosystem
- Proven ability to build and scale RESTful services
- Experience with AWS and SQL (PostgreSQL)
- Practical experience with messaging systems like Kafka or RabbitMQ
WEX Inc. Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about WEX Inc. and has not been reviewed or approved by WEX Inc..
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Leave & Time Off Breadth — Leave offerings are portrayed as a standout, with generous PTO and additional paid time for volunteering. Time-off flexibility is also positioned as a meaningful part of the overall rewards experience.
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Retirement Support — Retirement benefits are presented as strong, including a 401(k) match that is described as competitive. This element appears to materially strengthen the total rewards package even when cash compensation feels less compelling.
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Strong & Reliable Incentives — Variable compensation is sometimes framed positively through bonuses and uncapped earning potential in sales-oriented roles. Stock options are also cited as an additional reward component that can improve perceived total compensation.
WEX Inc. Insights
What We Do
We simplify complex payment systems for fleets, corporate payments, and healthcare—unlocking insights, opportunities, and efficiencies to give you greater control of your business. Powered by the belief that complex payment systems can be made simple, WEX (NYSE: WEX) is a leading financial technology service provider across a wide spectrum of sectors, including fleet, travel and healthcare. WEX operates in more than 10 countries and in more than 20 currencies through approximately 4,900 associates around the world. WEX fleet cards offer approximately 14 million vehicles exceptional payment security and control; our travel and corporate solutions business processes over $35 billion of purchase volume annually; and the WEX Health financial technology platform helps 343,000 employers and more than 28 million consumers better manage healthcare expenses.
