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Sharematch

About ShareMatchShareMatch is a fast-growing fintech startup building a digital trading marketplace. We&rsquo;re reshaping how retail investors participate in global markets by making trading more accessible, transparent and efficient.The roleYou will design and ship the smart contract layer that powers token creation, trading controls and on-chain settlement. You&rsquo;ll implement contract-level eligibility checks, integrate an hourly price oracle and ensure our vault accounting and NAV updates reflect both oracle inputs and on-venue trading activity. You&rsquo;ll help define standards, testing, threat models and audit scope from day one.What you&rsquo;ll build<ul><li>Smart contracts for issuance and redemption using a vault pattern aligned to ERC-4626 for on-chain asset accounting and standardisation.</li></ul><ul><li>Transfer-restricted units with whole-unit granularity, enforceable allowlists and contract-level KYC/AML checks for all movements.</li></ul><ul><li>On-chain settlement flows that integrate with our off-chain venue alongside the oracle feed.</li></ul><ul><li>Oracle integration to publish index values on an hourly cadence with robust failure handling and dispute windows.</li></ul><ul><li>Operator and governance controls including pausability, upgrade strategy, role-based access and audit hooks.</li></ul><ul><li>Secure custodial wallet flows including address lifecycle, recovery procedures and permissions.</li></ul>Key responsibilities<ul><li>Own end-to-end smart contract design, implementation, reviews and gas/performance tuning</li></ul><ul><li>Model contract-level controls for KYC/AML, sanctions and geography gating via allowlists and roles</li></ul><ul><li>Implement hourly oracle updates</li></ul><ul><li>Write clear specs, sequence diagrams and runbooks; maintain high signal documentation</li></ul><ul><li>Build robust test suites: unit, integration, invariant and property-based tests</li></ul><ul><li>Lead security practices: threat modelling, secure coding, CI checks, pre-audit hardening, audit remediation</li></ul><ul><li>Collaborate with backend to deliver Python services for oracle publishing, allowlist management and monitoring</li></ul><ul><li>Partner with compliance and Shariah advisors to ensure contract behavior matches approved rules and guardrails</li></ul>Minimum qualifications<ul><li>Strong Solidity and EVM fundamentals; deep familiarity with token standards and vault patterns</li></ul><ul><li>Proven experience shipping audited, production smart contracts on an L2 network</li></ul><ul><li>Hands-on with Foundry or Hardhat; adept with fuzzing, invariants, coverage and static analysis</li></ul><ul><li>Comfort implementing contract-level transfer restrictions, role-based controls and allowlists</li></ul><ul><li>Experience integrating oracles and handling stale feeds, circuit breakers and fallback logic</li></ul><ul><li>Security mindset: reentrancy, access control, upgrade risk, precision/rounding, DoS vectors</li></ul>Nice to have<ul><li>Prior work with custody models and operational security for custodial wallets</li></ul><ul><li>Knowledge of zk rollups, permissioned L2s and data-availability considerations</li></ul><ul><li>Familiarity with compliant tokenisation and regional regulatory expectations</li></ul><ul><li>Python expertise for data publishing, admin CLIs and monitoring pipelines</li></ul>Tooling and ways of working<ul><li>Languages &amp; libs: Solidity, OpenZeppelin</li></ul><ul><li>Testing: Foundry first-class (forge, invariant tests), optional Hardhat for interop</li></ul><ul><li>Security &amp; CI: Slither, Echidna, MythX/Mythril or equivalent in CI; gas snapshots; ABIs locked; deploy scripts reviewed</li></ul><ul><li>Versioning &amp; releases: Semantic versioning; deploy plans with rollback; multi-sig controlled admin; timelocks for sensitive changes</li></ul><ul><li>Monitoring: On-chain event telemetry, alerting on oracle update failures and transfer anomalies</li></ul><ul><li>Audits: Formal third-party audits before mainnet release; you will drive pre-audit readiness and post-audit fixes</li></ul>Compliance and controls<ul><li>Enforce eligibility, residency, and sanctions checks via allowlists and role-gated functions</li></ul><ul><li>Whole-unit issuance and transfer restrictions between verified, whitelisted addresses only; redeemable against underlying vault assets per ruleset.</li></ul>Job Type: Full-timeAbility to commute/relocate:<ul><li>Dubai: Reliably commute or planning to relocate before starting work (Required)</li></ul>Application Question(s):<ul><li>Do you require us, now or in the future, to sponsor your visa?</li><li>Are you an immediate joiner?</li></ul>Education:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>Blockchain: 2 years (Required)</li></ul>Language:<ul><li>English (Required)</li></ul>Location:<ul><li>Dubai (Required)</li></ul>

Blockchain Developer

BlockVerse Solutions LLC

About the RoleWe&rsquo;re hiring a Backend Developer (Java) to engineer our high-performance trading and blockchain infrastructure. The ideal candidate has experience in designing low-latency distributed systems and understands how to build scalable microservices for fintech and Web3 environments. You&rsquo;ll work closely with DevOps, frontend, and product teams to ensure reliability and speed across all backend services.Responsibilities<ul><li>Design, develop, and maintain backend services in Java (Spring Boot, Netty, Disruptor).</li><li>Implement matching engines, balance ledgers, settlement systems, and transaction audit trails.</li><li>Optimize backend architecture for throughput and fault tolerance.</li><li>Integrate Kafka, Redis, and PostgreSQL/NoSQL databases for high-speed processing.</li><li>Implement market data APIs and event-driven streaming services.</li><li>Collaborate with DevOps for CI/CD deployment, monitoring, and scaling.</li><li>Conduct secure code reviews and optimize database query performance.</li><li>Maintain system observability and performance metrics.</li></ul>Additional Dubai Hiring Requirements<ul><li>Minimum 5 years of backend experience in fintech, blockchain, payments, or exchange platforms.</li><li>Experience developing blockchain-integrated systems, digital asset exchanges, or Web3 APIs is highly desirable.</li><li>Familiarity with microservice orchestration (Kubernetes/Docker).</li><li>Experience building REST/gRPC and WebSocket APIs for trading data.</li><li>Knowledge of AWS or GCP cloud environments is preferred.</li><li>Strong grasp of security compliance, data integrity, and audit trails for financial systems.</li></ul>Job Type: Full-time

Backend Developer

1inch

<div>
 1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond.
 
 
 So if you&rsquo;re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team.
 
 
 
 Location: We hire with a focus on Dubai and Europe. For this role, we prefer candidates who are either based in Dubai or working remotely within +/- 4 hours GST time.
 
 
 
 We&rsquo;re looking for a Senior Android Developer to join the team behind the 1inch Wallet &mdash; a non-custodial crypto wallet used by hundreds of thousands of people around the world. You&rsquo;ll help us build new features, improve performance, and ensure a secure, smooth user experience.
 
 
 You&rsquo;ll collaborate with product managers, designers, backend developers, and QA to deliver features from idea to release. We keep our processes lightweight and communication clear. We value engineers who take ownership, write clean code, and enjoy learning new things.
 
 
 This is a high-impact role where your contributions will be immediately visible to users and will help shape one of the most advanced crypto wallets in the industry.
 
 
 
 Responsibilities:
 
 
 
 
 <ul>
 <li>
 Build and maintain features in the 1inch Wallet
 </li>
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 Write clean, testable Kotlin code
 </li>
 <li>
 Web3 Integration
 </li>
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 Work with blockchain APIs and secure key handling
 </li>
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 Implement crypto-specific flows (e.g. swaps, signing)
 </li>
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 Work with design, backend, and QA to ship features
 </li>
 <li>
 Participate in planning, code reviews, and releases
 </li>
 <li>
 Ensure performance, stability, and test coverage
 </li>
 <li>
 Contribute to architecture and tech improvements
 
 
 
 
 </li>
 </ul>
 
 Requirements:
 
 
 
 
 <ul>
 <li>
 5+ years of professional Android development experience
 </li>
 <li>
 Strong knowledge of Kotlin and Android SDK
 </li>
 <li>
 Experience building and shipping complex Android apps
 </li>
 <li>
 Familiarity with Jetpack libraries (Navigation, ViewModel, etc.)
 </li>
 <li>
 Understanding of mobile app architecture and clean code principles
 </li>
 <li>
 Experience with Git, CI/CD, and code reviews
 </li>
 <li>
 Good testing practices (unit, integration, or UI testing)
 </li>
 <li>
 Proactive mindset, ownership, and strong communication skills
 
 
 
 
 </li>
 </ul>
 
 Nice to have:
 
 
 
 
 <ul>
 <li>
 Experience with Jetpack Compose
 </li>
 <li>
 Understanding of Web3, crypto wallets, or blockchain APIs
 
 
 
 
 </li>
 </ul>
 
 Why work with us?
 
 
 
 
 <ul>
 <li>
 Join a dynamic, creative team in a fast-paced and supportive environment
 </li>
 <li>
 Innovation and Collaboration in web3 tech are core to our success
 </li>
 <li>
 We&rsquo;re open to new ideas &mdash; if you&rsquo;ve got a vision, pitch it and make it happen
 </li>
 <li>
 Enjoy competitive pay that matches your skills and experience
 </li>
 <li>
 Be part of a company that&rsquo;s shaping the future of DeFi
 </li>
 <li>
 Take time when you need it &mdash; we offer unlimited vacation days
 </li>
 <li>
 Get fully compensated for your work gear &mdash; we&rsquo;ll set you up for success
 </li>
 <li>
 Travel with us! We host an annual team retreat at a top international location
 </li>
 <li>
 Click here to explore what life is like working at 1inch Labs!
 </li>
 </ul>
</div>

Senior Mobile Engineer (Android)

Binance

<div>Binance is a leading global blockchain ecosystem behind the world s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 250 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.</div> <div> <div> Responsibilities <ul> <ul> <li>Participate in the development and maintenance of the company's basic products.</li> <li>Responsible for the compilation and implementation of the interface documentation of the business module.</li> <li>Demonstrate strong troubleshooting skills to solve problems.</li> </ul> </ul> </div> </div> <div> <div> Requirements <ul> <ul> <li>Computer-related major, Bachelor Degree or above.</li> <li>Solid Java foundation and understand basic frameworks, such as multithreading and networking.</li> <li>Familiar with Spring micro-service framework and understanding of its operation mechanism.</li> <li>Familiar with MySQL database, at least one no sql database.</li> <li>Familiar with common middleware such as Redis, RabbitMQ and Kafka.</li></ul></ul></div></div>

Junior Backend Engineer (Java)

Belmont Lavan

<div>
 As Web3 Architect, you will be responsible for defining and shaping the overall technical strategy for blockchain-based systems. You will lead architectural design, tooling decisions, protocol selection, and ensure secure, scalable, and interoperable solutions. You will work closely with other architects, engineering teams, product managers, and external partners to ensure we deliver cutting-edge Web3 products.
 
 
 
 Key Responsibilities
 
 
 
 <ul>
 <li>
 Define system architectures for decentralised applications , smart contracts, blockchain networks, side-chains, layer-2 solutions and/or roll-ups.
 </li>
 <li>
 Select appropriate blockchain protocols , consensus mechanisms, and scaling solutions based on use case.
 </li>
 <li>
 Lead smart contract design and audit reviews to ensure security, gas optimisation, upgradeability, and best practices.
 </li>
 <li>
 Design and integrate interoperable systems, bridges, or cross-chain communication where required.
 </li>
 <li>
 Evaluate and adopt decentralised storage, identity, oracles, oracles, zero-knowledge proofs, and privacy enhancing technologies.
 </li>
 <li>
 Oversee decentralised governance, tokenomics design, and incentive mechanisms in line with business objectives.
 </li>
 <li>
 Define and enforce security, compliance, and regulatory best practices where applicable.
 </li>
 <li>
 Guide tooling, CI/CD pipelines, developer SDKs, testing frameworks, and infrastructure required for Web3 deployment.
 </li>
 <li>
 Mentor engineering teams to embed Web3 engineering culture and practices.
 </li>
 <li>
 Monitor emerging developments in the Web3 / blockchain space and recommend adoption where beneficial.
 
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 Strong experience (5+ years) in designing and delivering blockchain / decentralised solutions, smart contracts, or Web3 platforms.
 </li>
 <li>
 Proficiency in one or more smart contract languages
 </li>
 <li>
 Deep understanding of various blockchain architectures ,layer-2 (optimistic / zk-rollups), side-chains, sharding, and scalability trade-offs.
 </li>
 <li>
 Familiarity with formal verification, gas profiling, security auditing, threat modelling.
 </li>
 <li>
 Experience integrating and managing oracles, identity protocols (DID), privacy technologies
 </li>
 <li>
 Strong software architecture skills: microservices, modular design, event-driven systems, API design.
 </li>
 <li>
 Excellent understanding of cryptography fundamentals, consensus algorithms, distributed systems.
 </li>
 <li>
 Skilled in infrastructure and operations: node operation, wallets, key management, deployment pipelines.
 </li>
 <li>
 Good experience with cloud platforms and container orchestration (Docker, Kubernetes) is advantageous.
 </li>
 <li>
 Excellent communication skills; able to explain complex technical topics to non-technical stakeholders and lead cross-disciplinary teams
 </li>
 </ul>
</div>

Web3 Architect

<div> Responsibilities <ul> <ul> <li>Design, develop, and maintain frontend applications for exchange platforms to ensure optimal user experience.</li> <li>Work closely with design, backend, and product teams to understand business requirements and translate them into actionable frontend solutions.</li> <li>Design and implement security and performance optimizations to ensure stable operation of the exchange platform.</li> <li>Work with Web3 frameworks and libraries such as Ethers.js , Web3.js , or Wagmi.</li> <li>Stay updated on trends in DeFi, DEXs, on-chain trading technologies</li> </ul> </ul> </div> <div> Requirements <ul> <ul> <li>Master of JavaScript and NodeJS.</li> <li>5+ years of designing and implementing JavaScript frameworks and libraries. </li> <li>Master of server-side NodeJS framework development and server-side rendering.</li> <li>Deep understanding of the underlying mechanism of popular UI rendering frameworks, such as React or Vue.</li> <li>Deep understanding of Web performance optimization and error monitoring.</li> <li>Developing toolkits to improve frontend dev efficiency and quality, deep understanding of ESbuild, Webpack, Parcel, Vite, etc.</li> <li>Experience with blockchain-related frontend libraries (e.g., Web3.js , Ethers.js ).</li> <li>Understanding of blockchain technology, Ethereum ecosystem, and smart contract interactions.</li> <div>Preferred qualifications:</div> <li>Core developer of some popular open-source projects.</li> <li>Have experience of building Web3 App and on-chain trading</li> </ul> </ul> </div>

Senior Frontend Engineer - Cloud

Innovation Factory

Job Title: Senior Full Stack Developer &ndash; Crypto ExchangeLocation: Dubai, UAE (Work from office) Experience: 8+ years (with minimum 2 years in crypto or trading exchange platforms)About the RoleWe are seeking a Senior Full Stack Developer with extensive experience in Crypto or Trading exchange platforms. The ideal candidate will have strong backend expertise in Node.js, Rust, and Golang, as well as hands-on experience with frontend development, OAuth/authentication flows, AWS, Docker, MongoDB, and PostgreSQL.The role involves mentoring junior developers, maintaining code quality, ensuring performance optimization, and taking ownership of full-stack development tasks across both backend and frontend modules.Key Responsibilities<ul><li>Develop, maintain, and optimize backend services for exchange modules using Node.js, Rust, and Golang.</li><li>Implement frontend features and integrate with backend APIs (React/Next.js preferred).</li><li>Design and manage OAuth and authentication flows for secure login, authorization, and user management.</li><li>Mentor and guide junior developers, conduct code reviews, and enforce best coding practices.</li><li>Optimize backend performance via code restructuring, query optimization, and load handling improvements.</li><li>Manage and optimize MongoDB and PostgreSQL databases for reliability and performance.</li><li>Implement containerized environments using Docker and orchestrate with Kubernetes.</li><li>Work with AWS services (EC2, ECS, S3, RDS, CloudFront, Lambda, etc.) to manage infrastructure and deployment.</li><li>Ensure platform security, encryption, and adherence to engineering best practices.</li></ul>Required Skills &amp; Experience<ul><li>8+ years of software development experience, with at least 2 years in crypto exchange or trading platforms.</li><li>Proficiency in Node.js, Rust, and Golang for backend development.</li><li>Hands-on frontend experience with React or Next.js, including performance optimization.</li><li>Strong experience with OAuth, authentication, and authorization flows.</li><li>Solid experience with MongoDB and PostgreSQL, including optimization and schema design.</li><li>Expertise in Docker, Kubernetes, and cloud infrastructure (AWS).</li><li>Proven experience with code restructuring, backend optimization, and microservices architecture.</li><li>Understanding of security, API design, and scalable full-stack systems.</li><li>Mentorship and team guidance skills to support junior developers and drive project delivery.</li><li>Fireblocks or other custody/wallet platform experience is a plus.</li></ul>Preferred Qualifications<ul><li>Experience in crypto trading or financial exchange platforms.</li><li>Familiarity with DevSecOps, CI/CD pipelines, and monitoring tools (Grafana, Prometheus).</li><li>Contributions to high-performance, high-traffic trading systems.</li></ul>Job Type: Full-timePay: AED10,000.00 - AED20,000.00 per month

Full Stack Developer Crypto Exchange

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