WEX

Software Development Engineer 3

WEX
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7 days ago
Bengaluru, IndiaSenior

Responsibilities

  • Lead the design and implementation of complex backend features, distributed microservices, and asynchronous APIs.
  • Build event-driven data pipelines, real-time message integrations, serverless functions, and distributed caching strategies.
  • Implement error handling, database migrations, authentication and authorization flows, and micro frontend architecture.
  • Manage infrastructure as code, optimize containerized environments, and establish observability using tracing, metrics, and logging.
  • Maintain automated unit, integration, and load-test coverage and conduct performance profiling.
  • Provide technical guidance through code reviews, pair programming, and alignment discussions.

Requirements

  • At least 5 years of professional software development experience.
  • At least 3 years of experience with high-level backend languages such as Python, Go, or Java, plus frontend development with Angular.
  • At least 2 years of experience scaling production distributed systems.
  • Strong knowledge of microservices communication, event streaming, message brokers, containerization, and event-sourcing concepts.
  • Hands-on experience with cloud ecosystems, serverless compute, managed storage, IAM, infrastructure as code, and secure API design.
  • Strong analytical and communication skills with demonstrated ownership of technical initiatives and leadership of alignment discussions.
  • Preferred experience includes integrating cloud architectures with legacy databases, optimizing CI/CD pipelines, high-availability and disaster-recovery planning, and using Prometheus, Grafana, and performance profiling tools.

Tech Stack

AngularGoGrafanaJavaPrometheusPython
WEX

About WEX

5,001-10,000 employees

WEX is a public financial technology company that provides corporate payment solutions to fleets, healthcare/benefits administrators, and travel businesses. Its products include fuel and mobility cards, virtual card payments, and platforms for HSAs/FSAs/HRAs, with revenue from payment processing and software/service fees. Founded in 1983 and headquartered in Portland, Maine, WEX trades on the NYSE under WEX and was formerly known as Wright Express.

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