CodeSignal Courses

Feedback, Conflict, and Team Dynamics

Practice manager techniques for feedback, team development, and conflict mediation using the SBI framework and Tuckman’s team lifecycle.

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

Coaching, Development, and Resilience

Use the GROW model and empathetic development practices to coach employees, address underperformance, and build resilient teams through change.

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

Career Certificate

Securing Your REST API Application With C# .NET

Secure ASP.NET Core REST APIs by implementing rate limiting, CORS controls, and defenses against refresh token abuse.

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

Career Certificate

Recommendation Systems Theory and Coding in Go

Build recommendation systems in Go using collaborative filtering, content-based methods, hybrid techniques, and evaluation metrics.

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

Career Certificate

Claude Agent SDK Mastery Journey in TypeScript

Build agentic AI systems in TypeScript with Claude Agent SDK, from orchestration and guardrails to stateful MCP workflows, tools, sub-agents, and skills.

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

Career Certificate

Creating a Secure Java Application following OWASP Risks 6-10

Build secure Spring Boot applications by addressing OWASP Top 10 risks 6–10, including MFA, secure configuration, and SSRF prevention.

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

Career Certificate

Mastering Advanced React State and Architecture

Build “Brew Rush” to master advanced React state architecture, time-driven game loops, persistent progress, and performance optimization for rapid UI updates.

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

Career Certificate

Platform Observability and Monitoring with Grafana

Hands-on Grafana path for turning PostgreSQL metrics into actionable platform monitoring through interactive dashboards, alerting, variables, joins, and transformations.

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

Career Certificate

Advanced Language Features in Elixir

Master advanced Elixir features for building robust, concurrent, and extensible applications.

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

Career Certificate

Confident Speaking at Work and Beyond

Build calm authority for high-stakes conversations by managing speaking anxiety, structuring messages, and using physical presence to communicate with impact.

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

Career Certificate

Practicing Adaptive Leadership

Develop adaptive leadership through behavioral science, flexible communication, and frameworks for feedback, conflict, coaching, and change.

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

Career Certificate

Setting Up Expressions and Inequalities

Build algebraic thinking by translating everyday budgets, bills, and schedules into expressions, equations, and inequalities.

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

Career Certificate

Introduction to Regular Expressions in Python

Learn to build and apply Python regular expressions to match, extract, validate, and transform text in data-processing workflows.

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

Career Certificate

Introduction to CUDA Kernel Programming

Learn CUDA kernel programming from the ground up, including GPU memory, multidimensional kernels, shared-memory optimization, and image-processing pipelines.

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

Career Certificate

Recommendation Systems Theory and Coding in C++

Build recommendation systems in C++ using collaborative filtering, content-based methods, hybrid techniques, and quality evaluation.

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