Senior Software Engineer – Backend (Payments)
You will design, develop, and operate mission-critical payment and transaction services as part of a modern e-banking platform, ensuring correct, secure, and highly available payment processing.
RESPONSIBILITIES
• Develop and enhance backend services for payment and transaction processing
• Implement and integrate payment standards and interfaces
• Ensure stability, performance, traceability, and security
• Implement business logic: validations, bookings, and status processing
• Collaborate with frontend, BFF, core banking, and security teams
• Code reviews and compliance with quality and security guidelines
• Participate in agile development processes (Scrum / Kanban)
REQUIREMENTS
• 5+ years of backend development experience
• Solid expertise in transaction-oriented systems
• Experience with payment/banking services (transfers, clearing, etc.)
• Strong skills in API design and backend architectures
• Experience with data persistence and transaction management
• Knowledge of security-critical and regulated systems
• German-speaking
• Solid banking domain experience (required)
What We Offer
We believe in creating an environment where you can thrive professionally and personally. Here’s what you can expect:
• Health Insurance Allowance for peace of mind
• Annual Performance Bonus to reward your impact
• A collaborative, international work culture with opportunities for continuous learning and growth
About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.











