WEX

Software Development Engineer 3

WEX
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4 days ago
Remote, United StatesSenior
H1B sponsor

Base Salary

$122k - $146k/yr

Responsibilities

  • Design, develop, and maintain robust, scalable, and high-performance backend services.
  • Develop public REST APIs using Java and internal gRPC APIs for inter-service communication.
  • Lead system design decisions, cross-team technical projects, and alignment with senior engineers.
  • Write unit, integration, end-to-end, concurrency, load, and performance tests.
  • Identify bottlenecks and technical debt and implement scalability, stability, monitoring, healing, and deployment improvements.
  • Troubleshoot production issues, support live applications, conduct root-cause analysis, and drive reliability improvements.
  • Conduct code reviews, mentor junior and mid-level engineers, and promote engineering best practices.
  • Collaborate with product managers, designers, and engineers to define and implement features.
  • Evaluate competing technologies and maintain design, operational, change-management, and readiness documentation.

Requirements

  • Bachelor’s degree in Computer Science or Software Engineering.
  • Senior software engineering experience with strong data structures, algorithms, object-oriented design, and problem-solving skills.
  • Expertise designing and developing internet-scale services with scalability, availability, security, and reliability requirements.
  • Proficiency in backend development with Java or C#, SpringBoot, RESTful APIs, ODATA, and SQL.
  • Strong written and verbal communication skills, collaborative mindset, and fluent English.
  • Preferred: master’s degree, event-driven architecture and Kafka experience, card payments experience, Docker and Kubernetes familiarity, API security and PCI DSS knowledge, mobile development familiarity, and experience with production AI solutions, agents, copilots, multi-agent systems, vector databases, and AI evaluation and safety practices.
  • Ability to use AI-enabled development tools such as Cursor AI, Kiro, and GitHub Copilot.

Benefits

  • Remote work is available, but candidates must reside within 30 miles of Boston, San Francisco Bay Area, Dallas, Salt Lake City, Seattle, or Portland, Maine.
  • Benefits include health, dental, and vision insurance, retirement savings, paid time off, health savings and flexible spending accounts, life and disability insurance, tuition reimbursement, and other well-being benefits.
  • Non-sales roles are typically eligible for a quarterly or annual bonus under the applicable plan.

Categories

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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