Language and Networking
Master one primary language and understand how requests flow.
- Java, Go, or Node.js
- HTTP and REST
- Linux and Git
Learning direction
Backend Development
Start with APIs, databases, and system boundaries to build reliable, observable, deployable services.
Skill map
From foundations to real delivery
Data and Domain
Make the data model express real domain constraints.
- SQL and indexes
- Transactions and concurrency
- Input validation and error models
Reliable Services
Stay predictable under failures, retries, and changing traffic.
- Caching and queues
- Authentication and security
- Logs, metrics, and traces
Delivery and Design
Prove system boundaries with tests, documentation, and deployment.
- Automated testing
- Containers and deployment
- Architecture decisions and tradeoffs
Put the skills to work
Recommended learning and practice items
View all in this direction →CompetitionData · AI · BackendIntermediateDue Oct 1, 2026
IBM Z Datathon 2026
A free global 24-hour student datathon using IBM Z and LinuxONE for real-time AI, privacy-preserving AI, open innovation, and AI-for-good prototypes.
IBM ZFreeGlobal
CompetitionAI · Frontend · BackendIntermediateDue Oct 15, 2026
2026 AIC AI + Open Source Challenge
A global student challenge for runnable AI applications, developer tools, or verifiable contributions built with open-source software, models, and data.
Global Campus AI Algorithm Elite Competition Organizing CommitteeCN¥500.00Global
InternshipBackend · AI · DataAdvancedReady to startDue Nov 1, 2026
Max Planck Computer Science Internship 2027
A worldwide computer-science research internship for bachelor’s, master’s, and doctoral students, with projects matched across AI, data, systems, and software research.
Max Planck Computer ScienceGermanyOn-site
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