Sr. Software Engineer, Python (Madrid-Based)

Sr.Software Engineer, Python (Madrid-based) Department: Research & Development Employment Type: Full Time Location: EMEA-Spain Description This position is ideal for senior-level software development professionals to join the Clinical OPS Services team as a Sr.Software Engineer, contributing to the development, enhancement, and maintenance of multiple business-critical applications.Partnering with cross-functional teams including product management, QA, Dev Ops, BA and stakeholders, you’ll provide efficient, scalable solutions and incremental improvements to existing systems to support evolving business needs and drive project outcomes.This role is essential in ensuring stability, performance, and continuous evolution of the application landscape, directly impacting the organization’s ability to deliver on its strategic and operational goals.Key Responsibilities Support the Engineering Manager and relevant delivery leads in implementing incremental changes across multiple applications and projects, working closely with business partners to translate business goals into technical solutions and actionable development tasks.Design, develop, and enhance application components using Python, some Java and AWS, ensuring high-quality, scalable, and maintainable solutions aligned with project and business objectives.Analyze existing systems and application contexts, conduct deep technical and functional investigations to understand dependencies, constraints, and opportunities for improvement.Collaborate closely with Business Analysts, SQA engineers, and cross-functional teams to refine requirements, ensure testability, and deliver reliable, well-validated features.Maintain and continuously improve the health of the codebase by addressing technical debt in a structured and sustainable way, identifying opportunities for refactoring, modernization, and performance optimization.Monitor application performance, stability, and code quality, proactively identifying areas for enhancement and implementing improvements to increase reliability and efficiency.Participate in code reviews, design discussions, and knowledge sharing across teams, contributing to engineering best practices and consistent development standards.Communicate effectively with teams both within and outside the department, ensuring alignment, transparency, and smooth coordination across initiatives.Support release processes, troubleshooting, and post-deployment activities to ensure smooth delivery and ongoing application stability.Skills, Knowledge & Expertise Computer Science or related education 8+ years of industry development Understanding of OOP, data structures, algorithms, bug tracking, code review, unit tests Git knowledge Python expert knowledge Java knowledge is a big plus Soft skills: desire to learn, intelligence, smooth communication, stress resistance, customer focus, decision making, independency English upper intermediate Experience with AWS Experience with feature or scope ownership #J-*****-Ljbffr

Skills, Knowledge & Expertise Computer Science or related education 8+ years of industry development Understanding of OOP, data structures, algorithms, bug tracking, code review, unit tests Git knowledge Python expert knowledge Java knowledge is a big plus Soft skills: desire to learn, intelligence, smooth communication, stress resistance, customer focus, decision making, independency English upper intermediate Experience with AWS Experience with feature or scope ownership #J-*****-Ljbffr