[Remote] Senior Software Engineer - AI Platform

Note The job is a remote job and is open to candidates in USA. WEX is transforming how businesses operate by embedding advanced AI into their global payments and mobility platforms. As a Senior Software Engineer - AI Platform, you will be responsible for building and operating the cloud and DevOps foundations of WEX’s AI platform, focusing on CI/CD workflows and infrastructure automation across AWS and Azure. Responsibilities Design, implement, and maintain cloud-native infrastructure for AI and LLM-based applications on AWS and Azure, including networking, compute, IAM, and observability Build and manage CI/CD and GitOps workflows using tools such as Fabric, Argo CD, and related DevOps tooling to enable reliable, automated deployments Develop production-grade services, utilities, and platform components in Python, including APIs, and automation scripts that support AI workloads Implement and maintain Infrastructure-as-Code (IaC) for repeatable environments and services (e.g., Terraform, CloudFormation, or similar tools) Collaborate with AI/ML engineers and product engineering teams to integrate LLMs and agentic AI capabilities into WEX’s products using secure, scalable patterns Operates as a system administrator-level engineer for key cloud services (logging, monitoring, secrets, container orchestration, storage, and security controls) Champion AI-native development practices by using and promoting tools such as Cursor, GitHub Copilot, and other AI-assisted IDEs to increase velocity and code quality Contribute to and refine platform standards for security, compliance, observability, and resiliency across AI services and pipelines Participate in on-call rotations and incident response for AI platform components, driving root-cause analysis and continuous improvement Skills 7+ years of professional software engineering or DevOps/SRE experience, with at least 3+ years working in cloud-native, production environments Strong experience with DevOps and GitOps practices, including CI/CD pipelines, automated testing, and environment promotion workflows Hands-on experience with Fabric and Argo CD (or similar GitOps tools) for deployment automation and environment management Deep, system-administrator-level experience with AWS (preferred) and practical experience with Azure services (compute, networking, IAM, logging, containers) Proficiency in Python, including writing robust, maintainable code for services, tools, and automation, and comfort with standard Python development workflows Familiarity with containerization and orchestration (Docker, Kubernetes, ECS, AKS, or similar) Experience using AI-native development tools (e.g., Cursor, GitHub Copilot, or similar AI-assisted IDEs) as part of your everyday engineering workflow Solid understanding of monitoring, logging, and alerting practices and tools (e.g., CloudWatch, Prometheus, Grafana, Datadog, or similar) Demonstrated ability to work in agile, collaborative, high-trust engineering teams and to partner effectively with cross-functional stakeholders Bachelor's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience Experience supporting LLM/agentic AI workloads in production (e.g., prompt orchestration, model gateways, vector stores, RAG systems) Background in financial systems, data compliance, or regulated industries (payments, healthcare, etc.) Exposure to Terraform or other IaC tools for multi-cloud environments Experience building or operating multi-tenant platforms and shared services Create, operate, and manage MCP tools and MCP gateways to securely connect AI agents to external systems, enforce governance, and centralize tool access and observability Benefits Health, dental and vision insurances Retirement savings plan Paid time off Health savings account Flexible spending accounts Life insurance Disability insurance Tuition reimbursement Quarterly or annual bonus based on their role and applicable plan Company Overview Wex is a financial technology service provider for fleet, travel and healthcare industries. It was founded in 1983, and is headquartered in Portland, Maine, USA, with a workforce of 5001-10000 employees. Its website is http//www.wexinc.com.

Back to blog

Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...