Software Development Engineer 4

WEX•Boston, MA

About The Position

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.

Requirements

Bachelor's degree in Computer Science, Software Engineering, or related field; OR demonstrable equivalent experience.
At least 10 years of experience in software engineering, with a focus on large-scale distributed systems or platform services.
Proven ability to lead initiatives, mentor senior engineers, and influence technical direction across organizational boundaries.
Deep understanding of the Kafka ecosystem, event-driven design, and cloud-native architectures.
Golang and/or Python.
Apache Kafka (Brokers, Connect, Schema Registry).
Kubernetes and Docker.
Terraform (IaC).
Modern RDBMS (Postgres, MS SQL) and NoSQL databases.
RESTful API design and Microservice architecture.

Nice To Haves

Helm and ArgoCD.
GitHub Actions and Agentic/AI-driven automation frameworks.
Prometheus, Grafana, and Splunk.
Modern Web UI Frameworks (React, Angular) for platform dashboards.

Responsibilities

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.
Build and maintain KaaS features, including automated provisioning, schema management, custom connectors, and self-service streaming governance.
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.
Implement and standardize robust IaC patterns using Terraform and Helm to ensure platform consistency across multi-cloud environments.
Own the operational health of Kafka services.
Establish SLIs/SLOs, drive proactive monitoring, and lead rapid incident response and root cause analysis.
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.
Mentor and learn from your peers, fostering a culture of continuous learning, ownership, and high-trust engineering excellence.