Xello is looking for a Senior Engineer

__

We are accepting applications for both a Senior Backend Engineer and a Senior Frontend Engineer role.

Senior Backend Engineer:

Who are you?

You are an experienced engineer who is capable of leading technical projects, making use of the latest web technologies and eager to share your knowledge with others. You have a strong understanding and passion for data modelling, and are skilled in both database and backend development and performance tuning. You are also adept at interface-based programming, with a proven track record of writing testable code.

Working as part of Xello’s development team in an agile environment, you’ll collaborate with coworkers, Product Managers and Staff Engineers to solve problems for external clients and internal stakeholders. You will design and develop new features and support existing systems using cutting-edge technologies. You will build data-intensive applications, where every millisecond counts, to create some of the most engaging and innovative products in the education market. You are eager to contribute to Xello’s culture of innovation, excellence, and accountability.

Sounds exciting to you? Read on!

What you’ll do...

• Leading technical discussions and feature design, tackling both open ended problems and well defined ones
• Develop new features and support our existing applications
• Write highly performant and scalable code, focusing on multithreaded programming, load balancing, and caching
• Take ownership and responsibility for successful delivery of features
• Participate in code reviews and mentoring, based on your unique strengths, in order to onboard and level up other engineers, encourage best practices and improve code quality
• Contribute towards improving team development process, unit testing and build processes
• Research and utilize new technologies in the education space
• Work with local and remote development teams, offering proactive feedback to keep projects on budget and on schedule
• Provide recommendations on implementation strategies
• Actively participate in scrum ceremonies
• Self-manage assigned work within given timelines in an agile environment

What we’re looking for...
Must haves

• 5+ years of experience developing full-stack solutions for large-scale software applications, including at least 3 years of intensive SQL and backend coding
• Knowledge of data modeling, normalization, interface-based development, design patterns, and dependency injection
• Solid understanding of the .Net Framework, up to and including v6
• Experience with .NET core, C#, and SQL Server, developing web applications and REST/Web Services
• Proficiency in SQL profiler, execution plans, C# code profiler, and other performance-based tools
• Knowledge and experience using SOLID and DRY principles
• Thorough understanding of unit and integration testing, as well as test-driven development (TDD)
• Self-directed and organized, with the ability to effectively prioritize and manage multiple projects and tasks of varying complexity
• Methodical, with a keen eye for detail
• Passion to continually learn

Nice to haves

• Experience with GIT version control
• Experience with Angular
• Knowledge and experience developing using Azure cloud services

If you have an online portfolio or GitHub repository, please include a link in your application


Senior Frontend Engineer:

Who are you?

Xello is seeking a Senior Front-End Engineer to build solutions that will help over 5 million K-12 students achieve their potential in school, career and life.

As a Senior Front-End Engineer you have the ability to hand-code beautiful, pixel-perfect CSS3/HTML5 layouts and intuitive interactions utilizing hand-written Typescript, Angular, and other libraries and tools. You see 50 lines of code but know you can do the same with only 10. You have a passion for and a detailed understanding of how interactive experiences should look, feel and function on a variety of devices and have an insatiable appetite for developing new skills and constantly improving existing ones.

Working as part of Xello’s development team in an agile environment, you’ll collaborate and interact with external clients, internal stakeholders, and students as well. Your optimism will make possible what others think is impossible. Using your imagination, and always considering alternatives, you’ll create some of the most engaging and innovative products in the education market. You’ll share insights with colleagues and work together to solve problems and achieve mutual goals. Your work will contribute to Xello’s culture of innovation, excellence, and accountability.

What we're looking for...

• 5+ years of experience developing front-end solutions for large-scale software applications
• Excellent communication skills, able to collaborate with both leads and teammates
• Exceptional Angular skills with at least one large-scale project under your belt
• Takes ownership and responsibility for successful delivery of features
• Follows coding standards, able to write unit tests using Karma/Mocha/Jasmine
• Experience working with ES6/Typescript writing modular code
• Well versed in modern tooling (one or more): npm, grunt, gulp, webpack, systemjs
• Strong technical ability to assess risks, scope and obstacles, as they relate to front-end integration, early on in a project
• Strong skills debugging performance with chrome dev tools
• Flexible and inventive in utilizing various technologies to solve human problems
• Working knowledge of accessibility standards for WCAG 2.0 (Level AA) and U.S. Section 508 compliance
• Value the insights of others and strive to understand and empathize with clients/users/stakeholders to ensure our solutions are valuable and relevant
• Protect the confidential and private information that you may come in to contact with in the course of your work and uphold the ethics and integrity of Xello’s code of conduct
• Wide-ranging portfolio of projects that display advanced knowledge of CSS/HTML layout and hand-coded JavaScript/AJAX development skills
• Experience with GIT version control
• Experience with advanced front-end tooling : Webpack, Npm, Grunt/Gulp
• Education/background in any of the following are merited: User Experience, Graphic Arts, HCI, Information Architecture, Agile, etc.

Values

• Cultivating optimism, using your imagination and always considering alternatives - you make possible what others think is impossible.
• Considering others’ insights and working collaboratively to problem solve and reach common goals
• Embracing and contributing to a culture of innovation, excellence and accountability
• Life-long learning – you’re always abreast of the latest developments/standards in the web industry

Please include a link to your online portfolio/GitHub repository with your application in order to be considered.