Matchmaking Service Setup

[Mkalbani]

Location: microservices/matchmaking-service
Labels: microservice, good first issue, NESTJS
Estimated Time: 7 hours
Difficulty: Hard

Description

Build a matchmaking service that pairs players for multiplayer puzzles based on skill level, preferences, and availability.

Tasks

• Initialize NestJS project in microservices/matchmaking-service
• Set up Queue, Match, Player entities
• Implement skill-based matchmaking algorithm
• Create waiting queue management
• Add match creation and player assignment
• Configure WebSocket for real-time updates
• Implement ELO-based pairing
• Add preference filtering (difficulty, type)
• Create timeout handling for idle players
• Set up Docker configuration

Acceptance Criteria

• Players matched by skill level
• Queue updates in real-time
• Matches created fairly
• Timeouts handled gracefully
• Preferences respected
• Service runs independently

[drips-wave]

This issue has been added to the Stellar Wave Program and is worth 200 Points.

🧑‍💻 Interested in contributing? Apply to work on this issue on Drips Wave, earn points, and receive rewards.

Warning

Only applications submitted via the apply link above will be considered. Please do not apply by commenting on the issue or opening a PR directly.

🤠 Repo maintainers: You can manage this issue's Points and Complexity on your Maintainer Dashboard here. Please keep an eye on applications and respond quickly 💙

ℹ️ Learn more about Drips Wave

[emmaculate-exceel]

@emmaculate-exceel has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

i would like to do this .

ℹ️ Repo Maintainers: To accept this application, review their application or assign @emmaculate-exceel to this issue.

[Haroldwonder]

@Haroldwonder has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I would like to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Haroldwonder to this issue.

[nnennaokoye]

@nnennaokoye has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

please assign this issue to me. I’ve worked on similar implementations before, i have contributed to this project and I can deliver it quickly.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @nnennaokoye to this issue.

[0xOlivanode]

@0xOlivanode has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

Hello, I'd like to be assigned to work on this.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @0xOlivanode to this issue.

[bigjoefilms]

@bigjoefilms has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I am a blockchain engineer with hands-on experience building smart contracts and decentralized applications, including token-based systems, on-chain logic, and Web3 integrations. I have worked with modern blockchain tooling and enjoy building secure, testable, and production-ready protocols.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @bigjoefilms to this issue.

[EA10-lite]

@EA10-lite has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

Hi, I'd like to work on this issue, I’m a full-stack developer with 4 years of experience building Web and mobile applications.

This issue aligns closely with my experience, and I’m confident I can deliver a clean, and efficient solution within the provided timeframe. I invite you to review my portfolio to see my previous projects and hands-on experience across real-world applications.

Here is my portfolio and projects I have handled:

https://ecohotels.com
https://proposelyai.com
https://www.usememora.xyz
https://360comms.network
https://loveping.vercel.app
https://ea10.vercel.app
https://novacrust-exercise.vercel.app/

ℹ️ Repo Maintainers: To accept this application, review their application or assign @EA10-lite to this issue.

[fawizzy]

@fawizzy has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

Hi! I’d be glad to take this on. I’ve worked on a few collaborative projects, so I’m comfortable picking up requirements, asking the right questions when needed, and delivering focused, well-scoped solutions.

I’m a full-stack developer, working across both backend and frontend. I mostly use React, TypeScript, Node.js, and Rust, and I enjoy building scalable features and working closely with others to ship solid, reliable code.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @fawizzy to this issue.

[phertyameen]

@phertyameen has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

Hi, I am a backend developer. I specialize in creating modular based backend application.
I promise to deliver this in 12 hrs

ℹ️ Repo Maintainers: To accept this application, review their application or assign @phertyameen to this issue.

[Lynndabel]

@Lynndabel has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I have experience building analytics platforms with a focus on privacy-preserving data processing. I can implement the medical records analytics platform with:

Real-time dashboards and reporting

Predictive modeling for healthcare outcomes

Customizable queries and visualizations

Data anonymization and aggregation techniques

Cross-institutional analytics capabilities

Performance optimization for large datasets

Documentation of analytics features and privacy guarantees

I will ensure the solution is secure, efficient, and fully tested, integrating seamlessly with the existing contracts and tools.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Lynndabel to this issue.

[okekefrancis112]

@okekefrancis112 has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I’d like to work on this issue because it addresses a core backend concern around reliability, correctness, and scalability. I enjoy contributing to backend features that improve system behavior, data integrity, and developer experience.

I have strong experience building and maintaining backend systems using NestJS, Node.js, TypeScript, SQL/NoSQL databases, and RESTful APIs. I’ve worked on production features involving data modeling, validation, background processing, performance optimization, and debugging complex edge cases. I’m comfortable reading existing codebases, following established patterns, writing tests where appropriate, and shipping well-documented changes that integrate cleanly with frontend and infrastructure requirements.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @okekefrancis112 to this issue.

[drips-wave]

Congratulations, @Haroldwonder! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on January 31, 2026.

🧑‍💻 @Haroldwonder: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are issued when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊