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Job Specification: Senior C# .NET Developer (Payments) About the Role We are seeking a Senior C# .NET Developer with strong experience in the payments industry—ideally with exposure to payment gateways, PayFacs, or acquirers, or having integrated with providers such as Stripe, Adyen, Worldpay, or similar. The ideal candidate will be self-sufficient, proactive, and a go-getter who can thrive in a fast-paced environment while taking ownership of end-to-end delivery. This is a senior-level hands-on development role, requiring deep technical expertise, problem-solving ability, and a passion for delivering high-quality software that powers critical payment systems. Key Responsibilities- Design, build, and maintain high-performance C# .NET applications for payment processing and financial systems.- Architect and develop secure, reliable, and scalable services, with a focus on GRPC-based APIs and integrations.- Lead the integration of third-party payment providers, acquirers, and gateways.- Ensure compliance with PCI-DSS and other regulatory requirements.- Drive best practices in coding standards, architecture, testing, and CI/CD pipelines.- Mentor junior developers and contribute to technical leadership.- Collaborate closely with stakeholders to deliver innovative payment solutions. Required Skills & Experience- 5+ years of professional experience in software engineering, with at least 3 years in C# .NET.- Strong background in payments: gateways, PayFacs, or acquirers.- Proven hands-on experience integrating APIs (Stripe, Adyen, Worldpay, Braintree, etc.).- Strong knowledge of GRPC (designing, implementing, and consuming services). - Expertise in SQL databases and transaction handling.- Strong understanding of microservices, event-driven systems, and cloud platforms.- Solid grasp of security best practices (authentication, encryption, tokenization).- Excellent problem-solving and debugging skills.- Self-driven, proactive, and able to work independently. Desirable Skills- PCI-DSS compliance and payment security standards.- Experience with Kubernetes/Docker and cloud-native deployments.- Familiarity with DevOps tools (CI/CD, monitoring, logging).- Knowledge of financial data flows, settlement, and reporting systems. Personal Attributes- Go-getter mindset: proactive and drives projects forward.- Strong communicator across technical and business teams.- Passion for continuous learning and improvement.- Mentor and leader, fostering growth within the team.
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