CompetitionBackendAny levelDue Oct 10, 2026
Codeforces Round (Div. 2)
在线编程竞赛，比赛时长约 3 小时。开始后不能再报名。
CodeforcesFreeGlobal
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Opportunities and learning resources
Every item keeps its source, verification time, and eligibility notes. Filter by direction, difficulty, format, and deadline to find something you can act on now.
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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
Open sourceBackendBeginnerReady to start
Alerting: Strange NoData alerts
Using Grafana alerts with Threema Gateway to monitor a self scripted node exporter for some services throws every four hours the following alert: This seems to me like a bug because the silence URL is not correct here (other messages have the correct URL https://my-fqdn.tld/…) and silencing does not show any effect. T…
grafana/grafanaAbout 4 hr
InternshipData · Frontend · Backend · AIIntermediate
Alibaba Group Careers
Official Alibaba Group careers portal; availability of student or early-career roles depends on current listings.
Alibaba GroupChina
Official source · Alibaba Group CareersVerified Aug 24, 2026
InternshipBackend · Frontend · AI · DataIntermediate
ByteDance Campus Recruitment
Official ByteDance portal for internship and campus roles that may span multiple technical fields.
ByteDanceChina
Official source · ByteDance Campus RecruitmentVerified Aug 24, 2026
CompetitionFrontend · Backend · AI · DataIntermediate
Chinese Collegiate Computing Competition
Official entry for a national student competition spanning software, visualization, AI, and digital media.
Chinese Collegiate Computing Competition Organizing CommitteeCost to verifyChina
Official source · Chinese Collegiate Computing CompetitionVerified Aug 24, 2026
Open sourceBackendAdvanced
CPython
Official Python reference implementation for interpreters, the standard library, and language evolution.
Python Software FoundationAbout 2 hrpythonc
Open sourceBackendAdvanced
Deno
Official runtime repository for JavaScript, TypeScript, and WebAssembly.
DenoAbout 2 hrrusttypescript
Open sourceBackendIntermediate
Django
Mature Python web framework with a clear contribution workflow and long-term maintenance practices.
Django Software FoundationAbout 2 hrpythondatabase
Open sourceBackendIntermediate
FastAPI
Modern Python API framework for learning type hints, async APIs, and automatic documentation.
FastAPIAbout 2 hrpythonapi
Open sourceBackendIntermediate
Fastify
High-performance Node.js web framework with contribution guides and an approachable plugin ecosystem.
OpenJS FoundationAbout 2 hrnodejsapi
Open sourceBackendBeginner
Flask
Lightweight Python web framework with an approachable codebase for a first real open-source contribution.
PalletsAbout 2 hrpythonapi
InternshipAI · Frontend · Backend · DataIntermediate
Google Student Careers
Official Google portal for student internships, early-career roles, and programs beyond AI alone.
Google
Official source · Google Student CareersVerified Aug 24, 2026
Open sourceBackendIntermediate
Grafana
Observability dashboards with beginner issues across both its Go backend and TypeScript frontend.
Grafana LabsAbout 2 hrgotypescript
InternshipBackend · Frontend · AI · DataIntermediate
Huawei Campus Recruitment
Official Huawei portal for internships, graduate roles, processes, and events across multiple technical fields.
HuaweiChina
Official source · Huawei Campus RecruitmentVerified Aug 24, 2026
CompetitionBackend · Frontend · AI · DataAny level
China International College Students Innovation Competition
Official portal for the Ministry of Education interdisciplinary student innovation competition, whose projects may span multiple technical fields.
Ministry of Education of ChinaCost to verifyChina
Official source · National College Student Entrepreneurship ServiceVerified Aug 24, 2026
Open sourceBackendIntermediate
Kubernetes
The container orchestration standard, with a dedicated new-contributor onboarding track.
CNCFAbout 2 hrgokubernetes
CompetitionBackend · Frontend · AIIntermediate
Lanqiao Cup Software and Information Technology Competition
Official portal for cross-disciplinary tracks including programming, web development, testing, cybersecurity, and AI.
Lanqiao Cup Organizing CommitteeCost to verifyChina
Official source · Lanqiao CupVerified Aug 24, 2026
InternshipAI · Frontend · Backend · DataIntermediate
Microsoft Students and Graduates
Official Microsoft portal for student internships, programs, and graduate roles beyond AI alone.
Microsoft
Official source · Microsoft StudentsVerified Aug 24, 2026
InternshipBackend · Frontend · AI · DataAny level
National College Student Employment Service Internships
Official Ministry-affiliated portal for internships and graduate roles across frontend, backend, AI, data, and other fields.
Center for Student Services and Development, Ministry of EducationChina
Official source · National College Student Employment ServiceVerified Aug 24, 2026
Open sourceBackendIntermediate
NestJS
Official TypeScript server framework repository for learning modular backend architecture.
NestJSAbout 2 hrtypescriptapi
Open sourceBackendIntermediate
Prisma
A TypeScript ORM whose issues demand clear reproductions — good practice at diagnosing bugs.
PrismaAbout 2 hrtypescript
Open sourceBackendIntermediate
Rust
The Rust language repository; issues labelled E-easy come with step-by-step mentoring notes.
Rust FoundationAbout 2 hrrust