Kto szuka:
HAYS
Stanowisko:
Blockchain Developer (Rust)
Lokalizacja:
Warszawa
mazowieckie
Opis stanowiska podany przez pracodawcę:
Blockchain Developer (Rust)
Warszawa
NR REF.: 1192324
Hays IT Contracting is a cooperation based on B2B rules. We connect IT specialists with the most interesting, technological projects on the market.Join the group of 500 satisfied Contractors working for Hays’ clients!
For our Client we are currently looking for Candidates for the position of:
Blockchain Engineer (Rust)
Job type: B2B (with Hays Poland)Type of work: 100% remote Length: first contract for 12 months with possible to extendRate: 18000 - 40000 PLN net on B2B (depends on seniority)Start date: ASAP
About the Client:Client39s Poland’s Digital& team is a modern software house within a large consulting company. We connect start-up dynamics and innovation with endless possibilities of a pre-established Client39s global network.Join us and seize the opportunity to work on cutting-edge technologies like GenAI, AI agents & co-pilots, cloud computing, chatbots, data lakes, and advanced machine learning algorithms, all built on a foundation of modern application development across diverse frontend and backend technologies
About the role:
- Architect, develop, and optimize blockchain protocols using Rust
- Design and implement advanced consensus mechanisms and cryptographic solutions
- Work on Layer 1 and Layer 2 blockchain solutions, ensuring high performance and security
- Develop and maintain smart contract platforms (e.g., Substrate)
- Optimize blockchain storage solutions and work with databases such as RocksDB
- Ensure interoperability between different blockchain networks
- Lead technical discussions, mentor junior engineers, and conduct code reviews
Requirements:
Expert Level:
- 2+ years of experience in distributed systems and blockchain development
- Deep understanding of consensus mechanisms (PoW, PoS, BFT, etc.) and their implementation
- Expertise in cryptographic security, including hashing, digital signatures, and zero-knowledge proofs
- Experience in designing tokenomics and blockchain economic models
- Strong background in developing Layer 1/Layer 2 blockchain solutions and cross-chain interoperability
- Proven ability to design and implement secure cryptographic systems
Senior Level:
- 7+ years of experience in Rust and distributed systems
- Strong knowledge of cryptographic principles and blockchain security
- Experience in designing and optimizing consensus algorithms
- Hands-on experience with smart contracts (Substrate, EVM-based platforms, etc.)
- Proficiency in performance profiling and optimization tools (Flamegraph, perf)
- Ability to lead technical discussions, perform code reviews, and mentor engineers
Mid Level:
- 2-3 years of experience in Rust development
- Basic knowledge of cryptographic techniques such as hashing and digital signatures
- Experience working with consensus algorithms (PoW, PoS, etc.)
- Familiarity with fundamental blockchain data structures (Merkle Trees, DAGs)
- Understanding of database systems (e.g., RocksDB) and their role in blockchain
- Proficiency in Rust testing and debugging tools
- Experience working with development team to design and test integrations with external applications like warehouse management solutions
- Overall understanding of integration with sales and finance
What will you get:
- Long-term cooperation with the client implementing projects for the largest players in the banking, insurance, telco and more sectors
- Possibility to work in flexible hours (start between 7:00 and 12:00)
- Fast recruitment process - one meeting, decision even within 1 day
- Standard benefits - preferential rates for LuxMed and Multisport packages
- When you choose to work via Hays, you also get the opportunity to work for many of Hays39 other leading clients in the future
What will the recruitment process look like:
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