• Architect and implement core on-chain protocols for a Decentralized Exchange (DEX), including capital vaults, clearinghouses, and settlement engines. • Develop the underlying logic for clearing and settlement processes, ensuring high-fidelity integration with off-chain high-performance matching engines. • Design and maintain robust Oracle contract frameworks to support real-time price feeds, data validation, and asset valuation. • Lead smart contract security hardening initiatives, collaborate with external auditors to rectify vulnerabilities, and oversee mainnet deployments. • Partner with backend and QA teams to bridge the gap between off-chain trade commands and on-chain fund movements for seamless execution.

• Architect and build secure smart contract protocols and backend services to connect Coinbase users with the crypto ecosystem • Drive standardization in crypto protocols by designing and defining interfaces • Work closely with the Base leadership and product team to set our onchain strategy and roadmaps • Mentor and train other team members on smart contract engineering best practices

Role Description This is a remote position. Our client is searching for a Service Hotline Engineer for Smart PV Business to join their business in Romania or Poland. - Answering customer calls and emails related to technical issues - Troubleshooting and resolving technical problems - Escalating issues to higher-level support when necessary - Interface with an engineering partner to locate technical problems that may arise during the engineering process - Maintaining documentation and records related to technical support issues - Responsible for remote support and level 2 engineer support - Providing technical support service to customer or partner independently or jointly with a technical support team - Providing customer education and training on product or service features and functionality - Remote support in case of customer problems that can’t be solved by customer or local subcontractor - Collaborating with other teams, such as software developers or product managers, to resolve technical issues and improve products or services Qualifications - Bachelor’s/College Degree in Engineering (Electrical/Electronic), Computer Science/Information Technology or comparable - Experience in solar energy industry (technical service, commissioning service) is a plus - Excellent written and verbal communication and interpersonal skills - Highly motivated, team player, goal oriented and success driven individual - Able to work independently with minimum guidance - Excellent technical and analytical skills including good listening, probing, and qualification abilities - Fluency in German and English is a must Requirements - Contact: Iulia Balan | +49 (0) 89 23 88 98 62 - For more details contact: sales(at)manningglobal.com - Quoting reference: RO_MGIB_SHE-PV-B_14966 Company Description

• Design, implement, and deploy Solidity-based smart contracts powering core protocol functionality • Build and execute governance “Spells” that modify system parameters and logic • Collaborate with ecosystem actors (risk, governance, product) to define new mechanisms • Contribute to the architecture of lending, collateralization, and stablecoin systems • Conduct deep audits of smart contracts and protocol changes • Identify and mitigate vulnerabilities (reentrancy, oracle manipulation, etc.) • Maintain production-grade reliability for contracts managing billions in TVL • Optimize contract execution paths for efficiency at scale • Integrate contracts with frontends, off-chain systems, and governance tooling • Contribute to broader system design decisions across the Sky ecosystem • Stay ahead of emerging standards (ERCs, account abstraction, new DeFi primitives)