Software Engineer – Transact Global (TAG) Team
At WEX, we’re pushing the boundaries of payment technology—and we’re looking for passionate engineers to join us on this exciting journey. If you’re someone who thrives in a dynamic, compassionate, and friendly environment, we have a place for you on our Transact Global (TAG) team. TAG is an open-loop payment processing platform built from the ground up by an agile team, and we’re scaling it to new heights with your help!
Who We Are
The TAG team at WEX is all about innovation, collaboration, and growth. We’ve built a cloud-native platform using Go, MongoDB, and Terraform, and we’re taking on some of the most exciting challenges in payments technology. Whether it’s adding new product features, automating processes, or creating microservices, we’re all about teamwork and ownership. We believe in maintaining a healthy work-life balance while delivering exceptional results, and we take pride in what we build.
What You’ll Do
As part of the TAG team, you’ll be working in a fast-paced, agile environment to:
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Write code that’s scalable, maintainable, and resilient
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Contribute to both front-end and back-end services, data stores, and infrastructure systems
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Collaborate with your team to develop new product features and automation solutions
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Design modern software architectures that solve real-world challenges
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Help operationalize and scale our cloud-native platform
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Work closely with cross-functional teams, using your technical skills to drive product success
Who You Are
You’re not just an engineer—you’re someone who’s excited about learning, solving problems, and building products that make an impact. Here’s how you’ll fit in:
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You love to code and pick up new technologies quickly
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You thrive in small, high-performing teams and enjoy collaborating with others
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You take ownership of your work and care deeply about team results
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You’re comfortable working across the full stack—front-end, back-end, databases, and infrastructure
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You’ve worked in an agile environment and are comfortable with iterative software delivery
What You’ll Bring
We’re focused on your skills, not just your experience. Here’s what we’re looking for:
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Strong coding skills, with experience in building and deploying modern software
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Familiarity with cloud technologies, encryption, APIs, and front-end frameworks
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A desire to design scalable, maintainable, and resilient software architectures
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Passion for continuous learning and development, both individually and as a team
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Ability to switch between tech stacks and tackle different parts of the system
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A collaborative mindset and willingness to mentor less experienced developers
Bonus Points For
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Experience with Golang, MongoDB, AWS, and Terraform
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Experience in systems engineering and automation
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Contributions to open-source projects or passion projects of your own
Top Skills
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.
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