Senior Software Engineer page is loaded Senior Software Engineerlocations: Dublin, Irelandtime type: Full timeposted on: Posted Todayjob requisition id: Job Description: Senior Software Engineer Join a smart, dedicated, and collaborative team working on innovative, customer-facing digital asset products for a greenfield project at Fidelity Labs. You'll design and build secure, scalable, and user-centric solutions from the ground up, driving our vision for next-generation DeFi initiatives. As part of a maturing startup, you'll have a voice in shaping both product and technology, working in a culture that values curiosity, ownership, and rapid experimentation while maintaining technical excellence.What You'll Do Design and build large-scale, secure, and highly available applications. Architect and implement cloud-native solutions on AWS, leveraging API-first, microservices, and container-based designs. Work across the stack using TypeScript, Python, Rust, or Go, and frameworks like Next.js, Django, and React building front ends, internal and external API driven services. Design and optimize data systems, including relational databases, ORMs, and analytics platforms such as Elasticsearch or Snowflake. Collaborate with product and design teams to refine requirements and translate ideas into deliverables. Drive agile development practices, rapid prototyping, iterative validation, and CI/CD pipelines. Mentor and guide engineers, fostering technical excellence and collaboration.What We're Looking For 8+ years building and scaling production-grade software systems. 5+ years designing cloud-native applications on AWS. Strong experience with data modeling, ORMs, and distributed data systems. Proficiency in one or more modern languages (TypeScript, Python, Rust, Go) and familiarity with full-stack development. Experience leading technical discussions and influencing architecture decisions. Comfortable in fast-moving environments with evolving priorities. Interest in DeFi and blockchain is a plus (not required). Bachelor's degree in computer science, Engineering, or related field (preferred, not required).For more like this search Category: Information Technology