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      Urgent! Senior Software Engineer (Blockchain) Position in Madrid - 1inch Labs
 
                        
                         Overview
1inch is the DeFi ecosystem building financial freedom for everyone.
1inch products help users and builders trade, hold and track digital assets with security and an intuitive user experience.
We are looking for a Senior Blockchain Engineer with a Get Stuff Done mentality and a passion for innovation.
You will design, develop, and optimise smart contracts and blockchain infrastructure, balancing fast execution with high security and quality.
Location: We hire with a focus on Dubai and Europe.
For this role, candidates based in Dubai or working remotely within ±4 hours GST time are preferred.
Responsibilities
Design and optimise blockchain product architecture with a focus on scalability, security, and performance Lead development, auditing, and integration of smart contracts within decentralised protocols Conduct technical research and PoCs, implementing best practices in blockchain development Develop and improve cross-chain interoperability solutions (cross-chain swaps, bridges) Design and develop efficient algorithms with a focus on gas optimisation Define and implement CI/CD processes for blockchain development Analyse and address potential attack vectors and ensure security best practices Monitor emerging blockchain, Web3, and crypto technologies Perform rigorous code reviews, mentor developers, and enforce best practices in blockchain engineering Collaborate with auditors and cross-functional teams to ensure successful product launches Requirements
7+ years of software development experience, including 3+ years in blockchain engineering Deep understanding of blockchain ecosystems, smart contracts (Solidity, Yul, EVM), and dApps Hands-on experience with Ethereum, Layer 2 solutions (Optimistic & ZK Rollups), and cross-chain protocols Proven track record in technical leadership, architectural decision-making, and mentoring teams Strong background in blockchain security and smart contract audits Skills
Solidity, Yul, Rust, TypeScript Smart contract development and deployment frameworks (Foundry, Hardhat) Understanding of DeFi protocols, AMMs, liquidity pools, and oracle integrations Blockchain security principles and auditing methodologies Experience in building high-performance distributed systems Why you’ll love working with us
Join a young, creative team in a fast-paced, supportive environment Open to new ideas — pitch your vision Competitive pay aligned with skills and experience Be part of shaping the future of DeFi Unlimited vacation days Fully compensated for work gear to set you up for success Annual team retreats at top international locations
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✨ Smart • Intelligent • Private • Secure
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Unlock Your Senior Software Potential: Insight & Career Growth Guide
Real-time Senior Software Jobs Trends in Madrid, Spain (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Senior Software in Madrid, Spain using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 97481 jobs in Spain and 30314 jobs in Madrid. This comprehensive analysis highlights market share and opportunities for professionals in Senior Software roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! 1inch Labs is currently hiring and seeking a Senior Software Engineer (Blockchain) to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Senior Software Engineer (Blockchain) Jobs Madrid.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at 1inch Labs adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Senior Software Engineer (Blockchain) Jobs Spain varies, but the pay scale is rated "Standard" in Madrid. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Senior Software Engineer (Blockchain) typically include Informática Y Tecnología and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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Before the Interview:To prepare for your Senior Software Engineer (Blockchain) interview at 1inch Labs, research the company, understand the job requirements, and practice common interview questions.
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