Complete Offline-First POS System - Complete IP Sale ($55K)
Validation Update & New Materials:
Extended Real-World Validation: AbuByte POS is now deployed in a second pilot with a high-volume restaurant chain, successfully handling peak-hour transactions during sustained internet outages. The offline-first architecture has been stress-tested under real commercial load.
Professional Endorsement: The asset has been vetted and accepted by specialized SaaS brokers who handle technology acquisitions, confirming its strategic fit for buyers in emerging markets. This professional vetting underscores the platform's readiness.
For serious acquirers, a complete due diligence package is prepared for confidential review.
The package includes the full feature audit, technical architecture diagrams, sync system whitepaper, and performance data from live deployments.
Please DM me here on Indie Hackers to request access and schedule a direct technical walkthrough.
The price remains $55,000 OBO for the complete IP. This update reflects further validation of the system's reliability in mission-critical environments.
As someone who manages and markets products on Reddit for founders, this is one of those posts where the real value isn’t the headline or the feature count — it’s the problem it solves.
Offline-first POS isn’t a “nice to have” in markets like Nigeria or parts of KSA. It’s the difference between a system being trusted or quietly abandoned. Most Reddit discussions around POS failures come down to sync issues, data conflicts, and downtime during peak hours not UI or tech stack.
From a strategic buyer’s angle, a few things matter more than the pitch:
Whether the offline queue truly survives long outages without corruption
How reconciliation is handled when devices reconnect at different times
How flexible the system is when regulations (like ZATCA) change
And how much ongoing engineering effort is needed post-acquisition
The white-label angle is actually smart here. I’ve seen hardware resellers and ERP vendors struggle on Reddit precisely because they don’t own the POS layer they’re dependent on vendors that weren’t built for unstable connectivity.
This isn’t a SaaS flip. It’s buying infrastructure that already survived real-world abuse. For teams who’ve lost deals or stores due to downtime, acquiring something proven can be more practical than rebuilding from scratch.
Not for everyone but for the right buyer, this kind of asset usually only shows its value after you’ve already felt the pain.
@Annyfrosh - Thank you for cutting straight to the core value. You're absolutely right - this isn't about features, it's about infrastructure that "already survived real-world abuse."
Let me address your excellent questions directly:
1. Offline Queue Survival & Corruption Prevention
- Architecture: Hive (NoSQL) with Write-Ahead Logging + atomic batch operations
- Survival Test: The system survived a 72-hour planned outage during the pilot (power issues at the restaurant). Zero corruption.
- Mechanism: Each operation gets an idempotency token, timestamp, and hash. On reconnect, the sync engine validates before applying.
2. Multi-Device Reconciliation
- Conflict Resolution: Last-write-wins with business logic overrides (e.g., stock decrement always wins over increment)
- Sync Order: Batches process in chronological order across devices
- Edge Case: If Device A sells Product X (stock 5→4) while Device B is offline, Device B sees the updated stock on sync before attempting to sell the same product.
3. ZATCA/Regulatory Flexibility
- Tax Engine: Plugin architecture - tax classes are configurable objects
- Invoice Schema: Separated from core sales data. Changing e-invoice format requires modifying only the PDF generator, not the transaction logic.
- Compliance Logs: Every compliance-relevant action is stored in an immutable audit log.
4. Post-Acquisition Engineering
- Current State: Zero critical bugs in the issue tracker. The pilot uncovered 3 edge cases (all fixed).
- Maintenance: ~2-4 hours/week for the past 3 months (mostly adding small features requested by the pilot client).
- Documentation: Every sync flow, data model, and state transition is documented. There are no "black box" components.
The Real Test (From the Pilot)
During a Friday dinner rush, the internet dropped for 2 hours. The restaurant:
- Processed 47 transactions offline
- Every transaction synced perfectly when connectivity returned
- No manual intervention needed
- The owner's exact quote: "I didn't even know it was offline until you told me."
That's the infrastructure you're buying - one that becomes invisible because it just works.
For Your Specific Use Case
From your Reddit experience, you know exactly which hardware resellers and ERP vendors are struggling with this. This codebase could be the white-label solution you recommend to them - or the product you build your consulting around.
Next step: DM me your email. I'll send you the full sync architecture document and access to a read-only demo environment. No obligation - just due diligence material for someone who clearly understands what they're looking at.
The 48-hour window is real, but for someone with your domain insight, I'll extend access through January 2nd.
Appreciate the detailed breakdown this is exactly the kind of infrastructure discussion that actually matters at this level. From what you’ve shared, the offline survivability, sync logic, and post-acquisition maintainability are the main areas I’d want to review deeper before moving forward.
Rather than stretching this out in comments, it makes more sense to look at the architecture and flows directly. You can reach out to me on Gmail at sanusihnf@gmail.com, and we can continue the conversation there and review things properly.
I’m approaching this from a practical, real-world implementation angle, so I’m happy to dig in and assess fit without any obligation on either side.
Email sent with portal access and exclusive extension. Check your Gmail (including spam).
To other readers watching: This is the level of technical diligence happening right now. 3 buyers reviewing code, 1 more just entered due diligence.
Portal remains open for serious buyers until Jan 2nd, 11:59 PM UTC. Final offers due Jan 3rd.
DM "AbuByte DD" for access.