Mercer | Mettl I/O: An All-In-One Project-Based Assessment Platform For Recruitment And L&D Of Coders

Front-end Developer

Front-end developers are assessed on their ability to:

• Design web pages using HTML, CSS and JavaScript

• Use CSS libraries such as BootStrap and preprocessors such as Sass, LESS and Stylus

• Work with JavaScript frameworks such as Angular, React and Vue

• Implement responsive design as needed

• Test and debug front-end code to ensure all elements are in place

• Use RESTful Services/APIs

Project Environment : Eclipse Theia

Back-end Developer

Back-end developers are assessed on their ability to:

• Develop and code the back-end business logic

• Create functional APIs

• Implement and use different algorithms and data structures

• Design and optimize database queries

• Implement different programming paradigms

• Work on advanced language-based frameworks

Project Environment : Eclipse Theia

Full-stack Developer

Full-stack developers are assessed on their ability to:

• Combine front-end and back-end code

• Work on both client and server applications

• Create and consume APIs

• Work with SQL/NoSQL databases

• Implement various architectures such as MVC

• Write unit tests for all tiers of applications

Project Environment : Eclipse Theia

Data Scientist

Data scientists are assessed on their ability to:

• Extract, clean, transform and load data sets

• Wrangle and explore data

• Identify the underlying relationships or dependencies

• Visualize data for easier understanding

• Predict future trends or forecast a drift based on trends from prior data

• Determine data's pattern or motive

• Uncover anomalies in data

Project Environment: JupyterLab

DevOps Engineer

DevOps Engineers are assessed on their ability to:

• Work on Linux systems and perform Linux scripting

• Automate infrastructure using configuration management tools

• Manage and maintain source codes

• Perform continuous integration and testing

• Virtualize and work with containers

Project Environment: A web-based terminal

Quality Assurance Engineer

Quality Assurance Engineers are assessed on their ability to:

• Generate test cases to test applications on multiple aspects

• Program and write scripts to automate the testing process

• Use different software testing techniques

• Attain a high degree of test coverage of the source code

• Co-relate real-time scenarios to software testing

Project Environment: A hackable cloud-based IDE

Database Developer

Database Developers are assessed on their ability to:

• Write DDL and DML queries based on the requirements

• Create stored procedures, functions and triggers

• Identify the errors in the database and correct then

• Optimize queries to boost performance of applications and db engine

• Test the data from the databases to ensure it is not corrupted

Project Environment: A cloud-based database design tool