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End-to-end backend server for web, mobile, and Flutter developers with GraphQL & REST APIs.

Customizable Node.js API framework with auto-generated REST and GraphQL endpoints.

Listen to PostgreSQL database changes in real-time over WebSockets and trigger edge functions.

Curated beginner-friendly repository for learning Git workflow, pull requests, and code reviews.

Optimize relativistic galactic coordinate transformations using vectorized C/Cython algorithms for billions of Gaia DR3 stellar survey catalogs.

Develop automated build verification tooling ensuring on-chain bytecodes match source Git repository releases deterministically.

Open-source developer portfolio and event hub for connecting open-source contributors and mentors.

Lightweight, fast API testing environment supporting HTTP, GraphQL, WebSockets, and Server-Sent Events.

Add validation routines to doctl to pre-check DOKS cluster worker pool quotas and load balancer configurations before deploy.

Official command line interface for managing DigitalOcean cloud services, droplet provisioning, and Kubernetes clusters.

Enhance the C++ LSP server to support parallel file re-indexing during live editor typing in large monorepos.

Refactor client connection states and transaction submission handlers for the Node.js smart contract SDK.

Modern web application dashboard for managing Postgres schemas, row-level security policies, and API keys.

Starter repositories and deployment blueprints for full-stack apps on DigitalOcean App Platform.

<p>Open Robotics creates open-source software and hardware platforms for robotics research and education.</p><p>Create real-time WebSocket node telemetry tools for Gazebo robot simulations in modern web browsers.</p><p><br></p><p><strong>Deliverables:</strong></p><ul><li>WebSocket telemetry bridge in Python/ROS 2.</li><li>TypeScript browser 3D node viewer component.</li></ul>

Create real-time WebSocket node telemetry tools for Gazebo robot simulations in modern web browsers.

Product analysis platform capturing user interactions, funnel conversions, and session replays.

Unified notification pipeline powering transactional email, push notifications, and web-embeddable notification centers.

Vectorize columnar particle collision telemetry filtering pipelines to achieve 100GB/sec processing on modern multi-core NVMe hardware.

Optimize prefix compression algorithms inside Pebble LSM-trees to reduce memory usage during massive range scans.

Implement faceted license filtering, image resolution metadata indexing, and ElasticSearch querying in CC Search API.

<p>Creative Commons is a global non-profit enabling the sharing and reuse of creativity and knowledge through free legal tools.</p><p>This project will refine the CC Catalog API search engine by introducing faceted license filtering, resolution metadata indexing, and ElasticSearch query optimization.</p><p><br></p><p><strong>Deliverables:</strong></p><ul><li>ElasticSearch query optimization module in Django.</li><li>Faceted search API endpoints with unit test coverage.</li></ul><p><br></p><p><strong>Applications closing date: 25-Apr-2026</strong></p><p><strong>Mentee confirmation: 10-May-2026</strong></p>

Develop a high-throughput Rust plugin for Redis-backed token bucket rate limiting across federated GraphQL subgraphs.