Summary: This role involves architecting and maintaining high-performance indexers to ensure the platform remains the fastest and most reliable data provider in the ecosystem, thriving in high-throughput environments. Highlights: 1. Take significant ownership of the core data layer in a fast-paced environment. 2. Build and maintain real-time indexers for over 100+ chains. 3. Solve unique scaling problems with tracking billions of data points. **Blockchain Indexing Specialist****Location:** Can do at least 4 hours overlap between 10am\-6pm Brazilian time \- Cannot hire in Germany or France **Remote \| Full\-time** **Compensation:** Competitive Our client operates a premier real\-time blockchain analytics platform utilized by over **5 million crypto traders** every month. As a lean, high\-performance team of ten, the organization remains at the absolute core of the rapidly expanding decentralized finance (DeFi) industry. The organization is seeking a **Blockchain Engineer** to join the core engineering team. This individual will manage and evolve the indexing layer as the platform scales across hundreds of chains and billions of transactions. The mission is to architect and maintain high\-performance indexers that ensure the platform remains the fastest and most reliable data provider in the ecosystem. This role is designed for a specialist who thrives in high\-throughput environments and possesses a deep technical understanding of blockchain data structures. **Key Responsibilities** * **Multi\-Chain Indexing:** Build and maintain real\-time indexers for over **100\+ chains** (spanning both SVM and EVM architectures). * **Solana Ecosystem Ownership:** Take primary ownership of **Solana (SVM) indexing**, ensuring high\-fidelity data capture in one of the industry's most high\-throughput environments. * **Performance Optimization:** Continuously optimize for speed and reliability to ensure real\-time data accuracy for millions of global users. * **Infrastructure Management:** Manage production\-ready, high\-load environments that process massive volumes of on\-chain events. * **Data Integrity:** Implement robust solutions for reorg handling, RPC management, and cross\-chain data consistency. **Interview Process** * **Group Interview:** An initial interview with the **CEO and CTO** to discuss technical philosophy and experience. * **Take\-Home Assessment:** A **paid task** requiring the development of a functional indexer for a specific chain. * **Final Interview:** A comprehensive review of the assessment and a chance to cover any specific technical or organizational questions. **Requirements** * **Core Language Proficiency:** **Expert\-level proficiency in Golang** is a must\-have. Candidates must be comfortable building low\-latency, high\-concurrency systems in Go. * **Technical Versatility:** Proficiency in **TypeScript** for the maintenance and integration of existing services. * **Solana (SVM) Expertise:** A deep, fundamental understanding of the **Solana Virtual Machine (SVM)**. Experience with Solana’s unique architecture is an absolute requirement. * **Proven Track Record:** Demonstrated experience building and deploying **production\-grade indexers from the ground up**. Candidates must understand the nuances of RPC management and data consistency. * **Domain Knowledge:** Strong familiarity with **DeFi primitives** (AMMs, order books, liquidity pools) and the broader crypto ecosystem. **Benefits** * **Direct Impact:** Join a small, elite team where every contribution directly affects millions of users and shapes the industry standard for blockchain analytics. * **Technical Ownership:** Take significant ownership of the core data layer in a fast\-paced, innovation\-driven environment. * **Professional Engagement:** The successful candidate will commit to a **full\-time contract agreement** with a focus on long\-term collaboration. * **Industry Scale:** Solve unique scaling problems associated with tracking hundreds of chains and billions of data points in real\-time. **Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.** **Commitment to Equality and Accessibility:** At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job\-advert in an accessible format please let us know at the earliest opportunity by emailing human\-resources@mlabs.city. MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. 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