We are looking for a Senior Software Engineer to work on the Mobile application Service Layer (Backend for Frontend) that will be used by tens of millions of cardholders around the world. We want someone with strong technical skills and creativity. You should enjoy solving tough problems and working with modern technologies, be comfortable sharing your ideas and be obsessive about user experience and beautiful code. You will be part of the Mobile Engineering team whose mandate is to develop new products and platforms for the customers, building interactive experiences at all touch points of a consumer's journey whether before, at, or after the time of purchase.

Responsibilities

Build server-side applications consumed by award-winning mobile apps
Write, refactor and delete code to maintain a clean codebase
Develop and maintain the "Backend for Frontend" API layer
Fix bugs and handle legacy code
Collaborate with engineers, product people, designers and QA in a large team
Design solutions for open-ended problems
Integrate with bespoke, hand-crafted backend services
Perform performance analysis and optimization
Write unit tests to ensure code quality
Work with asynchronous code

Requirements

5 to 8 years of relevant working experience
Background in building server-side applications and writing, refactoring and deleting code
Proficiency in Kotlin and Gradle
Expertise in REST, GQL and RAML
Skills in build tools and Continuous Integration
Competency in fixing bugs, handling legacy code and writing unit tests
Understanding of asynchronous code, performance analysis and optimization
Familiarity with Open Source
Capability to work in a team and be self-starting
Bachelor's degree in computer science or related field, or equivalent experience

Senior Software Engineer - Java, Microservices, REST API

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