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WEX

engineering opportunity

Software Development Engineer 4

You will lead the design and delivery of enterprise-grade Kafka and eventing platforms while ensuring operational health and scalability. You will also mentor team members and collaborate with cross-functional stakeholders to align platform roadmaps with business needs.

Boston, Massachusetts, United StatesonsiteFULL_TIME

Posted

About the role

What will you do at WEX?

About the Team

& Role At WEX, we simplify the business of running a business. Our Platform as a Service (Fabric) solutions reduce complexity and help manage costs of platform capabilities for our internal stakeholders. We are looking for passionate technologists, collaborators, and problem solvers to join our Global Technology Service Organization as we build the next generation of employer benefits solutions and services.

As a Software Development Engineer 4 on the WEX Kafka as a Service (KaaS) team, you will be a technical cornerstone of the Fabric Platform. You will partner closely with Product Managers, SREs, and Engineering Managers to solve the enterprise’s most complex data streaming challenges. You will design and build "Golden Path" solutions that make event-driven architecture seamless, secure, and scalable for every product team at WEX.

How you'll make an impact Technical Leadership: Lead the design and delivery of enterprise-grade Kafka and eventing platforms. Use your wide-ranging experience to make critical decisions on architectural methods and approaches to solving complex distributed systems issues. Platform Innovation: Build and maintain KaaS features, including automated provisioning, schema management, custom connectors, and self-service streaming governance.

Engineering Standards: Champion TDD, BDD, and automated CI/CD pipelines (GitHub Actions). Drive the integration of agentic workflows and AI-assisted automation to enable self-healing infrastructure and zero-downtime operations. Infrastructure as Code: Implement and standardize robust IaC patterns using Terraform and Helm to ensure platform consistency across multi-cloud environments.

Operational Excellence: Own the operational health of Kafka services. Establish SLIs/SLOs, drive proactive monitoring, and lead rapid incident response and root cause analysis. Strategy & Accountability: Hold the team accountable for delivering quality results using defined OKRs.

Interact with Senior Managers to advise on complex technical matters and align the platform roadmap with business needs. Mentorship: Mentor and learn from your peers, fostering a culture of continuous learning, ownership, and high-trust engineering excellence. Experience you'll bring Education: Bachelor's degree in Computer Science, Software Engineering, or related field; OR demonstrable equivalent experience.

Experience: At least 10 years of experience in software engineering, with a focus on large-scale distributed systems or platform services. Leadership: Proven ability to lead initiatives, mentor senior engineers, and influence technical direction across organizational boundaries. Domain Knowledge: Deep understanding of the Kafka ecosystem, event-driven design, and cloud-native architectures.

Technology Must-Haves Languages: Golang and/or Python. Eventing: Apache Kafka (Brokers, Connect, Schema Registry). Orchestration: Kubernetes and Docker.

Infrastructure: Terraform (IaC). Data: Modern RDBMS (Postgres, MS SQL) and NoSQL databases. API: RESTful API design and Microservice architecture.

Technology Must-Haves or Dedicate to Learning Quickly GitOps: Helm and ArgoCD. Automation: GitHub Actions and Agentic/AI-driven automation frameworks. Observability: Prometheus, Grafana, and Splunk.

Front-End: Modern Web UI Frameworks (React, Angular) for platform dashboards. 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 WEX is a global commerce platform that helps businesses solve for operational complexities like employee benefits, managing and mobilizing fleets, and streamlining payments.

With over 6,500 employees, we work with large and small companies in more than 200 countries and territories, and can tailor our services to meet the unique needs of their businesses. We hire people who share our passion for continuous innovation and client service that is unparalleled in the industry. Offering comprehensive and market competitive benefits, our offerings are designed to support your personal and professional well-being.

If you’re looking for a growing career - come be part of WEX today. To learn more about our employee benefits, please click here. WEX is an equal opportunity employer committed to diversity and inclusion in the workplace.

All qualified applicants will receive consideration for employment without regard to sex, race, color, age, national origin, religion, sexual orientation, gender identity, protected veteran status, disability or other protected status. WEX promotes a drug-free workplace. Qualified individuals with a disability have the right to request a reasonable accommodation.

If you require a reasonable accommodation as a result of your disability at any point in the job application process, please submit your request through our Reasonable Accommodation Request Form. This form is for accommodation requests only and cannot be used to inquire about the status of applications.

Which skills does this role require?

GolangPythonApache KafkaKubernetesDockerTerraformPostgresMS SQLRESTful APIMicroservice architectureHelmArgoCDGitHub ActionsPrometheusGrafanaSplunkSoftware Development EngineerKafkaDistributed SystemsIaCEvent-driven architectureCI/CDMicroservicesNoSQLPlatform as a ServiceSRETDDBDDSchema managementCloud-nativeAutomationOperational excellenceMentorshipReactAngularGoSQLPostgreSQLREST APIsProduct Strategy

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