Giesecke+Devrient (G+D) is a global leader in securing the digital world. From smart payment solutions to secure identity, connectivity, and data protection, our technology is essential to everyday life in an increasingly digitalized world.At G+D ePayments, we specialize in Smart Cards and Secure Payment Solutions—from credit cards and SIM/eSIM to automotive and wearable technologies. We're now looking for a Software Engineer Customization to join our Customization Department in El Prat de Llobregat and contribute to high-impact international projects.What will your mission be?You will play a key role in the lifecycle of customer projects in the banking sector, focusing on chip data configuration. Your responsibilities will include the development, testing, and documentation of personalization processes, as well as providing technical support to ensure customer requirements are met and payment card personalization is carried out efficiently.Your day-to-day responsibilities will include: Participating in the lifecycle of customer projects: requirements analysis, implementation of personalization processes, testing, and release, in line with quality standards for payment solutions.Providing Level 2 technical support and resolving incidents related to initialization and personalization processes.Coordinating internal projects, depending on team needs and strategic priorities.Proposing and implementing process improvements and technical solutionsWhat we expect from you:A vocational training degree (CFGS) in a technical field or a BSc/MSc in Engineering (e.g., Physics, Mathematics, Telecommunications, etc.).Experience working with technical documentation (e.g., specifications, guidelines, test plans, execution logs).Ability to manage multiple tasks simultaneously.A methodical approach, with a mindset focused on continuous improvement and results.A collaborative spirit, with a willingness to learn and share knowledge within a technical team.Strong communication skills and the ability to work effectively with other departments.Proactive attitude and willingness to take initiative.Fluency in English (spoken and written).What's advantageous: Knowledge of payment specifications (e.g. EMVCo, VISA, MC, ...).Knowledge of programming (e.g. Javascript, CSharp, Python, Latex, ...).Knowledge of Data Bases (i.e. SQL Server)Experience in Agile Software development projects (Kanban).Experience with teams using continuous integration and automated testing.Why join G+D?A Global Purpose: Work at the forefront of digital security, contributing to technologies that protect payments and identities worldwide.People-Centric Culture: Join an international, inclusive, and collaborative environment where teamwork and knowledge sharing are key. Every voice counts at G+D.Hybrid Work Model: Enjoy flexibility with 14 remote workdays per month.Career Growth: Access continuous training, development programs, and exposure to global projects.Comprehensive Benefits: Permanent contract, annual training plan, private health insurance, flexible benefits (transport, childcare, training) and on-site parking.Modern On-Site Canteen: Subsidized lunch with varied daily menus.Easy Commute: Located in El Prat de Llobregat, easily accessible by public transport (Bus 88, 110, PR4) or private vehicle (Mercabarna exit).Diversity & Inclusion: Equal Opportunity Employer and LGBT+ friendly.Explore what makes G+D unique - Check out this video:Giesecke+Devrient – We make the lives of billions of people more secure