Senior Software Engineer, Foundations

Senior Software Engineer, Chainlink Runtime LocationLondon; Dublin; Greece; Ireland; Netherlands; Poland; Portugal; United Kingdom; WarsawEmployment TypeFull timeLocation TypeRemoteDepartmentEngineeringCompensationSpainAnnual cash range: €100K – €130KThe estimated cash compensation for this role is based on job-related factors including relevant skills, experience, qualifications, and geographic location. Chainlink Labs follows a zone-based compensation model. In addition to competitive cash compensation, Chainlink Labs provides long-term incentives and comprehensive benefits. Actual compensation packages are discussed and finalized during the offer process.Note: For select sales roles, the cash compensation range represents a combination of base salary and sales commission.About ChainlinkChainlink is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). The Chainlink stack provides the essential data, interoperability, compliance, and privacy standards needed to power advanced blockchain use cases for institutional tokenized assets, lending, payments, stablecoins, and more. Since inventing decentralized oracle networks, Chainlink has enabled tens of trillions in transaction value and now secures the vast majority of DeFi.Many of the world’s largest financial services institutions have also adopted Chainlink’s standards and infrastructure, including Swift, Euroclear, Mastercard, Fidelity International, UBS, S&P Dow Jones Indices, FTSE Russell, WisdomTree, ANZ, and top protocols such as Aave, Lido, GMX and many others. Chainlink leverages a novel fee model where offchain and onchain revenue from enterprise adoption is converted to LINK tokens and stored in a strategic Chainlink Reserve. Learn more at chain.link.About the roleThe Senior Software Engineer will play a critical role in advancing the reliability, scalability, and operational excellence of the Chainlink Runtime Environment (CRE) platform. Working on foundational platform capabilities, this role will design and build distributed systems that enable resilient workflow execution while supporting the continued growth of one of Chainlink's flagship products.Your ImpactDesign, build, and operate highly scalable platform services that improve the reliability and performance of the CRE platform.Lead the development of production-grade backend services and APIs that support multiple internal stakeholders and platform consumers.Drive architectural improvements that enable both vertical and horizontal platform scaling.Improve workflow execution durability and platform resilience through thoughtful engineering, rigorous testing, and operational excellence.Partner with engineering teams across the organization to deliver cross-functional platform initiatives from architectural design through production deployment.Strengthen platform ownership by reducing operational silos, improving documentation, and increasing shared knowledge across the engineering organization.Contribute to improving platform reliability through engineering practices aligned with service reliability objectives and measurable operational outcomes.Required SkillsExperience designing, building, and operating large-scale production platforms.Advanced proficiency developing production systems in Go (Golang).Experience building production APIs and backend applications serving multiple stakeholders.Strong experience designing and operating distributed systems.Demonstrated ability to deliver reliable, high-quality software through rigorous engineering practices.Strong systems thinking with the ability to evaluate architectural trade-offs and solve complex technical problems.Self-driven approach with a high degree of ownership, technical curiosity, and continuous learning.Excellent collaboration and communication skills within cross-functional engineering environments.Preferred SkillsExperience defining, measuring, and improving service...