Sisteme distribuite Jobs

I want to demonstrate provable data consistency across a geographically distributed Hyperledger Fabric network by persisting the blockchain ledger in CockroachDB instead of the default back-end. The work centres on two Fabric layers: chaincode and the ledger itself. Chaincode reads and writes must be routed so that every block committed by a peer is durably stored in CockroachDB, and peers must replay that data with no divergence even under node failure or network partitions. The scope includes mapping Fabric’s block and state data structures to a CockroachDB schema, wiring the peer so that commit and endorsement steps call the database seamlessly, and validating the design with a small multi-region testnet. CockroachDB will act strictly as the ledger store; MSP and other services r...

It is my college final year project Basis. This project focuses on the design and implementation of a distributed NoSQL database system capable of handling large-scale, dynamic data with high availability, scalability, and strong consistency. The system uses dynamic sharding to automatically partition and distribute data across multiple nodes based on data growth and access patterns. It incorporates replication and consistency mechanisms such as quorum-based replication or distributed consensus protocols to ensure data integrity even during node failures or network partitions. The project aims to balance the scalability and flexibility of NoSQL systems with the consistency guarantees of traditional databases. Performance, scalability, and consistency are evaluated under different worklo...

Engagement type: Freelance / Contract Duration: Initial 3–6 months (extension possible) Location: Remote Start: ASAP Project overview We are looking for a senior, hands-on systems engineer to help design and build high-scale automation and simulation systems for transaction-heavy digital procurement workflows (simulated buying). The core challenge is building distributed, resilient systems that can orchestrate large numbers of concurrent, human-like actors interacting with well-known web-based platforms in a realistic and reliable way. This role is engineering-heavy and suited for someone who enjoys solving hard problems around scale, concurrency, reliability, and system behavior modeling. What you’ll be working on Designing and implementing distributed automation / simul...