Senior Blockchain Engineer

At Midas, we are working on real-life engineering challenges to transform the world of finance.

We've transformed investing in Turkey by delivering a seamless experience for everyday investors.

Today, 4 million users invest with Midas. Backed by an $80M Series B, the largest fintech investment ever in Turkey, we are scaling faster than ever.

What You'll Do

• Design and develop scalable, secure, and reliable blockchain infrastructure that handles real users and real money
• Own the architecture and full lifecycle of blockchain transactions, from initiation and signing to execution, confirmation, reconciliation, and recovery
• Build and evolve wallet, custody, key management, and transaction infrastructure across on-chain and off-chain systems
• Design integrations across different blockchain networks, architectures, consensus models, and transaction models
• Develop and integrate smart contracts where applicable, including EVM-compatible ecosystems
• Build production-grade solutions for DeFi use cases such as staking, liquidity pools, DEX integrations, and other on-chain financial workflows
• Take end-to-end ownership of complex blockchain systems, including security, resiliency, observability, incident response, and operational excellence
• Drive architectural decisions and technical direction by balancing security, scalability, reliability, maintainability, and development velocity
• Identify technical risks early and design systems that remain safe and recoverable under failure scenarios
• Collaborate closely with product, business, security, and engineering teams to turn ambiguous

requirements

into robust technical solutions

• Lead technical discussions, design reviews, and architectural decisions within the team
• Mentor engineers through technical guidance, code reviews, feedback, and knowledge sharing
• Leverage modern engineering tools, including AI-assisted development, while maintaining high standards for code quality, security, and engineering rigor

What You'll Bring

• Strong software engineering experience with a proven track record of designing and operating complex production systems
• Deep hands-on experience building and operating production-grade blockchain infrastructure
• Strong understanding of blockchain architecture across different ecosystems, including consensus mechanisms, transaction models, finality, reorgs, fees, and network-s…