Blockchain Engineer (Indexers)
Mlabs Ltd
Barcelona, Spain
3 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Compensation
€ 90KJob location
Remote
Barcelona, Spain
Tech stack
Distributed Systems
Blockchain
Systems Integration
TypeScript
Virtual Machines
Go
Requirements
We are looking for a battle-tested engineer who has navigated the "dark forest" of blockchain data.
- Golang Mastery: Expert-level proficiency in Go is a non-negotiable. You should be highly comfortable building low-latency, high-concurrency systems.
- Solana Expertise: Deep, architectural understanding of the Solana Virtual Machine (SVM). Experience with Solana is an absolute requirement; you must understand its unique performance bottlenecks and nuances.
- Proven Track Record: You have built real-world, production-grade indexers from the ground up. You know how to handle reorgs, manage RPC stability, and ensure data consistency across distributed systems.
- Full-Stack Awareness: Proficiency in TypeScript for maintaining and integrating with existing services.
- DeFi Fluency: A strong grasp of DeFi primitives, including AMMs, order books, and liquidity pools.
- Crypto Native: You are deeply embedded in the ecosystem and understand the urgency of the 24/7 crypto markets.
- Impact: Work on a product used by millions in a small, elite team where every line of code matters.
About the company
We are a leading real-time blockchain analytics platform serving over 5 million active crypto traders every month. Operating as a lean, high-impact team of 10, we provide the mission-critical data that the DeFi ecosystem relies on., + Scale Global Indexing: Build and maintain real-time indexers for 100+ chains, spanning both SVM and EVM environments.
+ Master the SVM: Take full ownership of Solana indexing, ensuring high-fidelity data capture in one of the highest-throughput environments in crypto.
+ Optimize for Speed: Obsess over millisecond improvements and system reliability to maintain our competitive edge.
+ Production Excellence: Manage and scale production-ready, high-load environments that handle massive data spikes without breaking a sweat., 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. This information is managed securely in accordance with MLabs Ltd's Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting legal@mlabs.city.
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