Staff Software Development Engineer

WEX; United States; Remote; USD 141,000 - 173,000; Full time

Job summary

WEX is seeking a software engineer to design, develop, and deliver scalable backend solutions powered by Agentic capabilities, using Java, Kafka, Elasticsearch and cloud-native platforms.

You will build RESTful APIs, contribute to architecture, review code, and ensure reliability and security across enterprise-scale applications in AWS.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
• 7+ years of software engineering experience designing, developing, and supporting enterprise-scale applications.
• Strong experience building cloud-based applications and infrastructure using infrastructure-as-code practices.
• Proficiency with event streaming platforms such as Kafka.
• Experience with Elasticsearch, including indexing strategies, query optimization, and data analysis.
• Experience working with cloud platforms such as AWS.
• Strong understanding of software engineering principles, including data structures, algorithms, object-oriented design, scalability, availability, and reliability.
• Strong problem-solving skills with the ability to analyze complex technical challenges.
• Excellent written and verbal communication skills with a collaborative mindset.

Responsibilities

• Design, develop, and deliver delightful product experiences powered by Agentic capabilities and scalable software solutions.
• Contribute to architecture and design decisions to support highly available, secure systems.
• Build and maintain clean, efficient, well-tested code.
• Develop and optimize RESTful APIs and backend services.
• Participate in code reviews and technical discussions.
• Troubleshoot, debug, and resolve complex technical challenges.
• Work across technology stacks and adapt to new tools and frameworks.
• Stay current with emerging technologies to improve engineering practices.
• Ensure operational excellence and best customer experience for team-owned products and systems.

Skills

Java

Kafka

Elasticsearch

AWS

RESTful APIs

Spring Boot

Cloud-native platforms

Education

Bachelor's degree in Computer Science, Engineering, or related technical field

Master's degree in Computer Science, Software Engineering, or related field

Tools

Docker

Kubernetes

Job description

How You'll Make an Impact

• Design, develop, and deliver delightful product experiences that are powered by Agentic capabilities, scalable, reliable software solutions using modern technologies such as Java, Kafka, Elasticsearch, and cloud-native platforms.
• Contribute to architecture and design decisions that support highly available, secure, and scalable systems.
• Build and maintain clean, efficient, well-tested, and maintainable code.
• Develop and optimize RESTful APIs and backend services.
• Participate in code reviews, technical discussions, and collaborative problem-solving sessions.
• Troubleshoot, debug, and resolve complex technical challenges.
• Work across technology stacks and quickly adapt to new tools and frameworks.
• Stay current with emerging technologies and industry best practices to continuously improve engineering practices.
• Ensure operational excellence and best customer experience for all the products and systems owned by the team.

Experience You'll Bring

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
• 7+ years of software engineering experience designing, developing, and supporting enterprise-scale applications.
• Strong experience building cloud-based applications and infrastructure using infrastructure-as-code practices.
• Proficiency with event streaming platforms such as Kafka.
• Experience with Elasticsearch, including indexing strategies, query optimization, and data analysis.
• Experience working with cloud platforms such as AWS.
• Strong understanding of software engineering principles, including data structures, algorithms, object-oriented design, scalability, availability, and reliability.
• Strong problem-solving skills with the ability to analyze complex technical challenges.
• Excellent written and verbal communication skills with a collaborative mindset.

Preferred Qualifications

• Master's degree in Computer Science, Software Engineering, or a related field.
• 8+ years of software engineering experience.
• Experience and knowledge in building Agentic/AI solutions for real world problems.
• Experience designing and implementing event-driven architectures.
• Experience working with card payments or financial services platforms.
• Hands-on experience with cloud-native technologies including Docker and Kubernetes.
• Knowledge of API security principles and PCI DSS compliance requirements.
• Experience working within existing codebases and improving legacy systems.
• Strong backend development expertise with Java or C#, including frameworks such as Spring Boot.
• Experience designing, building, and optimizing RESTful APIs, OData services, and SQL-based solutions.
• Proven experience developing internet-scale services with a focus on scalability, security, availability, and reliability.

The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and will be based on various factors, such as your qualifications, skills, competencies, and proficiency for the role. Base pay is one component of WEX's total compensation package. Most sales positions are eligible for commission under the terms of an applicable plan. Non-sales roles are typically eligible for a quarterly or annual bonus based on their role and applicable plan. WEX's comprehensive and market competitive benefits are designed to support your personal and professional well-being. Benefits include health, dental and vision insurances, retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more. For more information, check out the "About Us" section.

Pay Range: $140,600.00 - $173,100.00