Senior Blockchain Engineer

Job not on LinkedIn

🔥 19 minutes ago

🇹🇷 Turkey – Remote

⏰ Full Time

🟠 Senior

⛓️ Blockchain Engineer

👻 Ghost score 13%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Midas

WebsiteLinkedInAll Job Openings

51 - 200 employees

🛡️ Insurance

💼 Consulting

💳 Fintech

💰 $11M Seed Round on 2022-02

Insurance • Consulting • Fintech

Midas is a financial technology company offering a comprehensive investment platform that allows users to trade across various financial markets, including the U. S. stock markets, Borsa Istanbul, cryptocurrencies, mutual funds, and gold certificates. The company provides a mobile application that makes it easy to sign up and start trading with low commissions and no additional charges for account maintenance or transactions. Investments through Midas are secured in partnership with Midas Menkul Değerler A. Ş. , ensuring compliance with regulatory standards and providing insurance coverage for investments up to a certain amount, backed by SIPC in the U. S. Midas aims to democratize investment by enabling users to invest small amounts in large corporations like Apple, Nike, and Google, as well as Turkish companies. The company provides extensive support and educational resources for investors, making it a user-friendly platform for managing diverse investment portfolios.

📋 Description

• Design and develop scalable, secure, and reliable blockchain infrastructure handling real users and real money • Own the architecture and full lifecycle of blockchain transactions, from initiation and signing through 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, including in EVM-compatible ecosystems • Build production-grade DeFi solutions such as staking, liquidity pools, DEX integrations, and other on-chain financial workflows • Own complex blockchain systems end-to-end, including security, resiliency, observability, incident response, and operational excellence • Drive architectural decisions and technical direction across security, scalability, reliability, maintainability, and development velocity • Identify technical risks and design systems that remain safe and recoverable under failure scenarios • Collaborate with product, business, security, and engineering teams to turn ambiguous requirements into robust technical solutions • Lead technical discussions, design reviews, and architectural decisions • 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

🎯 Requirements

• 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-specific behavior • Experience working with multiple blockchain networks and protocol models rather than a single ecosystem or virtual machine • Strong understanding of wallet architecture, custody models, key management, transaction signing, and blockchain transaction lifecycles • Hands-on experience with HSMs and secure key management infrastructure • Experience with MPC-based custody systems or custody platforms such as Fireblocks is a strong plus • Strong understanding of cryptographic signing workflows, key security, access controls, and security boundaries in production systems • Experience developing, deploying, and operating smart contracts; Solidity experience is a strong plus • Experience with DeFi protocols or use cases such as staking, liquidity pools, DEXs, or similar on-chain financial systems • Strong understanding of both on-chain and off-chain architectures and the trade-offs between them • Strong knowledge of distributed systems, asynchronous processing, idempotency, failure recovery, and data consistency • Experience operating critical production systems with monitoring, alerting, observability, incident response, and post-incident improvement practices • Ability to make sound architectural decisions and reason clearly about trade-offs across security, scalability, reliability, operational complexity, and delivery speed • Ability to independently navigate high-ambiguity problems and drive them from initial concept through production • Strong sense of ownership, accountability, and responsibility for production outcomes • Strong communication skills and the ability to influence technical decisions across teams • Willingness to mentor other engineers and raise the technical bar of the team • Ability to use AI-assisted development tools effectively while maintaining sound engineering judgment and security standards