Senior Full Stack Software Engineer – .NET Core

Senior Full Stack Software Engineer – .NET Core / Azure / Payments Are you ready to shape the future of fintech in travel? Join us at Swiipr, where we’re redefining how airlines handle disruption and delivering exceptional digital payment experiences to passengers worldwide. We’re scaling fast and looking for a Senior Full Stack Software Engineer who thrives in dynamic environments—someone creative, curious, and commercially minded. Why Swiipr? At Swiipr, we revolutionise the way airlines issue real‑time digital compensation to passengers. Our secure, API‑led platform simplifies complex payment operations, reduces friction, and elevates customer experience—trusted by global carriers around the world. With several world‑first innovations already delivered, we’re continuing to push the boundaries of mobile payments and digital customer experience. As a rapidly growing fintech, we combine cutting‑edge technology with a collaborative culture where ideas are encouraged, ownership is expected, and innovation is rewarded. Your Role As a Senior Full Stack Software Engineer, you’ll design, develop, and maintain enterprise‑grade services and applications using .NET Core (C#), Azure, and payment technologies. You’ll work across the full technology stack—from backend microservices and APIs to front‑end integration and cloud infrastructure—ensuring performance, scalability, and security at every layer, contributing to new product development and helping bring innovative payment experiences to market in collaboration with our partners and clients. Key Responsibilities Design, develop, and maintain cloud‑native .NET Core microservices and enterprise applications. Critical problem solving, ideation, and building of new products, features, and payments solutions. Build API‑first services integrating with payment processors, banking partners, and airline systems. Optimize and secure databases (Azure SQL) for performance and reliability. Implement and manage messaging patterns with Azure Service Bus. Lead and mentor developers, manage sprints, and participate in peer reviews. Collaborate across teams to deliver secure, compliant, high‑performing solutions. Contribute to CI/CD pipelines and infrastructure automation using Azure DevOps. Troubleshoot and resolve production issues with a focus on root cause analysis. Skill Requirements 7+ years of software engineering experience, including 3+ in senior or full‑stack roles. Strong proficiency in .NET Core (C#) and Microsoft Azure. Proven experience integrating mobile payments or financial APIs. Solid database design and SQL optimisation skills. Experience with messaging, event‑driven architectures, and asynchronous patterns. Knowledge of authentication and secure coding best practices (OAuth2, JWT). Hands‑on attitude, desire to solve problems, and see projects/products through lifecycle to live. Experience managing or mentoring engineering teams. Familiarity with Azure DevOps and CI/CD pipelines. Excellent communication and problem‑solving skills. Desirable Knowledge of airline payments software or integrations. Experience with front‑end frameworks (Angular, React, or Vue.js). Knowledge of Onion/Clean Architecture patterns. Exposure to Kubernetes or containerised deployments. Experience with airline or travel technology platforms. Understanding of automated testing frameworks and performance tuning. Benefits & Compensation In addition to a competitive base salary, share options form a significant part of the package. We offer excellent long‑term earning potential, career progression, and the chance to be an integral part of our journey to redefine travel payments worldwide. #J-18808-Ljbffr