Senior Software Engineer – Backend (Drupal Expert) at IQVIA · Warsaw

Senior Software Engineer – Backend (Drupal Expert) Location: Warsaw, Poland We are looking for a highly skilled Senior Software Engineer (Drupal Expert) to join our growing team. This is a key technical role where you will design, build, and optimise enterprise-grade Drupal platforms, while also contributing to architectural decisions and mentoring other engineers. You will play a critical role in delivering scalable, secure, and high-performance backend solutions, working closely with cross-functional teams in a modern, agile environment. Location – Home based in Poland (ideally Warsaw area, but flexible nationwide) with occasional in-person meetings (1–2 per quarter) Key Responsibilities Develop and maintain Drupal-based platforms, ensuring performance, scalability, and security Lead technical architecture decisions across Drupal applications and integrations Design and implement APIs (RESTful / GraphQL) for seamless system integration Collaborate with Product, UX, DevOps, and external partners Troubleshoot and resolve complex backend and system issues Mentor and support junior developers through code reviews and coaching Drive best practices in coding standards, security, and development frameworks Core Technical Expertise Backend & Architecture API design and integration (REST, GraphQL) Database design, optimisation, and performance tuning Strong understanding of data security and compliance Platforms & Systems Drupal 10 (expert level) – architecture, module development, site building Experience with Opigno LMS, Acquia platform, and DevOps workflows Knowledge of Imperva (web security / WAF) Familiarity with Jira and Agile delivery frameworks Technology Stack CMS: Drupal Languages: PHP (core), with exposure to Python, Java, or C# (.NET) Databases: PostgreSQL, MySQL (plus SQL Server / Oracle exposure beneficial) Practices: Git workflows, CI/CD pipelines What We’re Looking For Essential: Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience 5+ years’ experience in software development 3+ years of hands-on Drupal development Strong expertise in Drupal architecture and module development Advanced PHP and object-oriented programming skills Proven API integration experience (REST / GraphQL) Strong database design and optimisation capability Experience working in Agile environments Fluent in English Preferred: Acquia Drupal certification Experience with microservices or Python frameworks (Django/Flask) Exposure to Docker, Kubernetes, and CI/CD tools Understanding of accessibility and inclusive design standards Previous experience in technical leadership or mentoring Key Competencies Strong technical leadership and architectural mindset Excellent collaboration and stakeholder engagement skills Focus on quality, scalability, and continuous improvement Ability to thrive in complex, multi-system environments Please apply with CV's in English #LI‑CES #LI‑RH4 IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries. We create intelligent connections to accelerate the development and commercialization of innovative medical treatments to help improve patient outcomes and population health worldwide. Learn more at https://jobs.iqvia.com IQVIA is committed to integrity in our hiring process and maintains a zero tolerance policy for candidate fraud. All information and credentials submitted in your application must be truthful and complete. Any false statements, misrepresentations, or material omissions during the recruitment process will result in immediate disqualification of your application, or termination of employment if discovered later, in accordance with applicable law. We appreciate your honesty and professionalism. The potential base pay range for this role, when annualized, is zł134,100.00 - zł248,900.00. The actual base pay offered may vary based on a number of factors including job-related qualifications such as knowledge, skills, education, and experience; location; and/or schedule (full or part-time). Dependent on the position offered, incentive plans, bonuses, and/or other forms of compensation may be offered, in addition to a range of health and welfare and/or other benefits.