English Courses

Mastering SQL Functions and Clauses with Leo Messi

Master advanced SQL functions and data analysis using real soccer statistics from Messi's career, covering COUNT, DISTINCT, SUM, GROUP BY, and aggregate functions for meaningful insights.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Advanced Query Techniques and Conditional Logic in SQL

Master advanced SQL querying with complex subqueries, conditional logic, and sophisticated data analysis techniques. Learn to write efficient queries using AND/OR operations, LIKE, IN, BETWEEN, and IF functions.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Introduction to Linear Algebra for Machine Learning

Master essential linear algebra concepts and operations needed for machine learning, from vectors and matrices to determinants and linear dependency, with hands-on Python implementation.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Advanced Calculus for Machine Learning

Master advanced calculus concepts essential for machine learning, including multivariable functions, derivatives, and gradient optimization methods for solving complex mathematical problems.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Foundations of Optimization Algorithms

Master optimization algorithms from Newton's Method to adaptive learning rates, covering gradient descent, momentum techniques, and Adagrad for effective machine learning model tuning.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Introduction to Probability and Statistics for Machine Learning

Master essential probability and statistics concepts crucial for machine learning, from basic probability and descriptive statistics to hypothesis testing and linear regression analysis.

• CodeSignal
• 3 hours
• Self-Paced
• Free Certificate

Microcredential

Implementing MVC ToDo App with Flask

140 ratings at CodeSignal

Master Flask web development by building a ToDo app - implement MVC architecture, integrate SQL databases, handle user authentication, and create secure back-end applications with Python.

• CodeSignal
• 12 hours
• Self-Paced
• Free Certificate
• 5 courses

Microcredential

Advanced Coding Interview Preparation with C#

139 ratings at CodeSignal

Master advanced C# programming through hands-on practice with data structures, algorithms, and problem-solving techniques. Focus on arrays, dictionaries, task decomposition, and optimization strategies.

• CodeSignal
• 18 hours
• Self-Paced
• Free Certificate
• 5 courses

Making the Work Meaningful

Master strategies to build engaged engineering teams through empowerment, value alignment, and decision-making authority while creating an environment where individuals thrive and push boundaries.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Mastering Team Goal Setting and Execution

Master effective team leadership through OKRs, strategic alignment, and prioritization while building trust through active listening and addressing team concerns.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Delegating with Confidence

Master effective delegation techniques to empower your engineering team, from setting clear expectations and providing tailored support to fostering accountability and driving successful project outcomes.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Adding New Talent to the Team

Master effective hiring techniques for engineering teams through behavioral interviewing, bias awareness, and strategies to build cognitively diverse teams that drive innovation.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

Microcredential

Introduction to ASP.NET Core and API Development

135 ratings at CodeSignal

Master ASP.NET Core fundamentals and build efficient JSON APIs with minimal APIs, middleware, routing, and model binding. Create robust web applications with modern request handling and error management.

• CodeSignal
• 8 hours
• Self-Paced
• Free Certificate
• 4 courses

Intro to SQL with PostgreSQL

Master SQL fundamentals and PostgreSQL features to query databases effectively, from basic SELECT statements to advanced data sorting and filtering techniques.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Learning SQL Joins with PostgreSQL

Master PostgreSQL table joins and relationship mapping techniques to enhance your data analysis capabilities and uncover meaningful insights from complex databases.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate