Senior, Software Engineer

Wex

Wex

Software Engineering
Bengaluru, Karnataka, India
Posted on Oct 16, 2025

About the Team/Role

At WEX, we simplify the business of running a business. Our WEX Benefits solutions reduce complexity and help manage costs of benefits administration for our clients and partners. We are looking for passionate technologists, collaborators, and problem solvers to join our Benefits Technology team as we build the next generation of employer benefits solutions and services.

As a Software Engineer on the WEX Benefits Technology team, you will work in a team that partners closely with Product Managers and customers to learn about the challenges employers face while navigating the competitive employee benefits landscape. You will design solutions that solve problems in ways our customers love and work for our business. You will build the highest quality software in the latest technologies and test driven development practices.

How you’ll make an impact

  • Collaborate with stakeholders to learn about our customers biggest challenges.

  • Measure, inspect, and drive decisions using data.

  • Design, test, code, and instrument new solutions.

  • Strengthen and drive our engineering process with TDD and BDD, Microservice and Vertical Slice Architectures.

  • Support live applications, promote proactive monitoring, rapid incident response, and continuous improvement.

  • Analyze existing systems and processes to identify bottlenecks and opportunities for improvements.

  • Mentor and learn from your peers, foster continuous learning within your team and organization.

  • Become a subject matter expert in your functional area and best practices.

  • Assess unique circumstances and apply creative problem-solving techniques to resolve issues or suggest various approaches.

  • Independently complete work and proactively review with others

  • Highly self-motivated, take ownership of your work, actively seek out ways to contribute, and require minimal supervision.

Experience you’ll bring

  • Bachelor's degree in Computer Science, Software Engineering, or related field;
    OR demonstrable equivalent experience.

  • At least 5 years of experience in software engineering.

  • Strong problem-solving and analytical skills

  • Excellent communication and collaboration skills.

  • Passionate about keeping up with modern technologies and design.

  • Experience consuming REST APIs

  • Proven track record of writing comprehensive unit tests and test suites

  • Strong understanding of software security principles and OWASP guidelines

  • Proficiency with Git version control and CI/CD pipelines

  • Experience with Agile development methodologies

  • Excellent communication and collaboration abilities

  • Track record of delivering complex projects on schedule

Mobile Required Qualifications:

  • Expert with front-end mobile technologies

  • Passionate about mobile application development and outspoken about UX design guidelines set forth by Apple and Google

Mobile iOS Must-Haves:

  • Experience developing native iOS solutions

  • Xcode

  • Swift

  • Objective-C

  • Protocol-Oriented Programming (POP) methodology

  • iOS frameworks including Combine/Observation, SwiftUI, Swift Testing, UIKit, UIStoryboard, and XCTest

Mobile Android Must-Haves:

  • Experience developing native Android solutions

  • Android Studio

  • Kotlin

  • Java

  • Android and Kotlin frameworks / libs including Coroutines, Flow, Retrofit, Moshi, Jetpack libraries (Hilt, Lifecycle, ViewModel), JUnit, and MockK.

Mobile Nice-To-Have or Dedicate to Learning Quickly:

  • Experience with both Android and iOS development

  • Experience with hybrid development platforms like MAUI/Xamarin or Flutter

  • Maintain and modify automated Jenkins builds

Technology Nice-To-Have or Dedicate to Learning Quickly:

  • Kubernetes

  • Helm/ArgoCD

  • Terraform

  • GitHub Actions

  • NoSQL databases

  • GraphQL

  • Azure

  • Experience building REST APIs

  • C#, Python (if applicable)

  • Docker

  • Modern RDBMS (i.e. MS SQL, Postgres, MySQL)

  • ASP.NET RESTful API design

  • Kafka / event-driven design

  • Modern Web UI Frameworks and Libraries (i.e. Angular, React)