Senior Front End Developer

Senior Front-end Developer (ReactJS)

XPayBack is looking for a senior front-end web developer to join the application engineering team. This team is responsible for all applications that the user interacts with directly. We’re looking for someone that can help us architect and build a robust, scalable front-end web application.

YOU WILL

• Drive the design, development, and maintenance of all our front-end web applications and act as a resource for other engineers regarding all things related to web-based front-end development.
• Have a focus on the performance of front-end applications by writing testable, reusable, and efficient code.
• Collaborate with back-end developers on how best to serve and visualize data.
• Understand and actively implement a high level of security and data protection through the development process.
• Be a champion of clear documentation and distribution of information regarding architectural choices, processes, and database schemas.
• Keep informed of advancements in the field of React, front-end development in general, SSR, and GraphQL.
• Be an active participant in shaping and maintaining our culture by suggesting improvements to processes and technologies.

YOU HAVE

• Strong/Expert level proficiency in JavaScript/TypeScript, HTML5, CSS with knowledge of internals with a minimum of 4 years of experience developing world-class user interfaces.
• Engage with architects to comprehend functional challenges, prototype new ideas, and new technologies, and help to create innovative solutions.
• Strong understanding of ReactJS and its core principles and at least two years of experience in building applications using React
• Strong experience in application state management and store design like Redux and Saga.
• Understanding of JavaScript Design patterns, transpilers, and module bundlers.
• Proficient in developing User Interfaces using a component-based approach
• Familiarity with design systems (Material Design)
• Research and implement new technologies and methodologies that can improve the architecture, its software components, user experience, and development process
• Sound knowledge of ECMAScript specification.
• Understanding of Object-oriented programming, asynchronous and functional programming.
• Robust debugging and diagnostic skills
• Experience writing and maintaining unit tests.
• Experience in automated testing platforms
• Experience with performance debugging and benchmarking
• Ability to work in an agile collaborative environment.
• Strong analytical skills, problem-solving aptitude, and good communications skills.
• A consistent track record of building robust and scalable front-end web applications using React, Typescript, and preferable Next.js or some other Server Side Rendering library
• Extensive knowledge of GraphQL
• Knowledge of infrastructure on AWS and serverless architectures
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.

Not required but nice to haves:

• Experience with native mobile development (Swift and Kotlin)