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Senior Software Engineer, Blockchain (Smart Contracts)

Unlock employer Dubai, United Arab Emirates Posted: 31 Jul 2026

Financial

  • Estimate: $80k - $120k*
  • Zero income tax location

Accessibility

  • Fully Remote
  • Apply from abroad
  • Visa Provided

Requirements

  • Experience: Senior
  • English: Professional

Position

About the Job
the company is the DeFi ecosystem building financial freedom for everyone. Our products empower users and developers to trade, hold, and track digital assets with the self-custody, comprehensive security, and intuitive user experience necessary for true crypto ownership. At the company, we constantly seek exceptional smart contract engineers who align with our mission of decentralised innovation.

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Your Mission
Our engineering needs evolve rapidly, and we are looking for engineers with a high-agency, "Get Stuff Done" mindset. You will design, develop, and optimize the smart contracts and underlying infrastructure powering the company. Your role involves collaborating with product leads and top-tier engineers, ensuring that the company remains at the forefront of DeFi.

Responsibilities

  • Design and optimize blockchain architectures with a focus on scalability, security, and performance.
  • Develop, integrate, and maintain smart contracts across decentralized protocols and infrastructure components.
  • Conduct technical research and build proof-of-concepts for new DeFi innovations.
  • Improve cross-chain interoperability solutions, including bridging and atomic swap mechanisms.
  • Optimize smart contract execution efficiency, focusing on gas consumption and low-latency performance.
  • Collaborate with security auditors to identify vulnerabilities and strengthen protocol security.
  • Lead code reviews and contribute to best practices, CI/CD workflows, and development standards.
  • Mentor junior and mid-level engineers.

Who You Are

  • 7+ years of professional software engineering experience, including 3+ years in blockchain development.
  • Deep expertise in Ethereum and EVM ecosystems, including Solidity and decentralized application architecture.
  • Strong experience with smart contracts in production environments.
  • Knowledge of Layer 2 scaling solutions and cross-chain infrastructure.
  • Proven ability to lead complex technical initiatives.
  • Strong understanding of smart contract security principles and auditing.
  • Experience in fast-paced, high-growth engineering environments.
  • Excellent problem-solving skills with a proactive, ownership-driven mindset.

Nice to Haves

  • Experience with open-source blockchain or DeFi projects.
  • Familiarity with zero-knowledge technologies and rollup architectures.
  • Background in building high-performance distributed systems or low-latency infrastructure.
  • Understanding of DeFi protocols and trading systems.
  • Knowledge of Web3 developer tooling and blockchain infrastructure automation.

Location:
Dubai, United Arab Emirates

Work Conditions:
Remote, Full-time

the company is an equal opportunity employer, committed to diversity and the assessment of all candidates based on skills, experience, and potential.

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