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This is a senior-level role working on secure, scalable payment infrastructure using .NET 5/6, with exposure to major payment providers (e.g. PayPal, Stripe or similar platforms).
Who We Are
At OrderYOYO, company culture comes first.
We create a positive, inclusive environment where people are trusted to do their best work and take ownership of what they build. Personal development is central to how we work — engineers are encouraged to grow technically, take responsibility, and help shape how our products and platforms evolve.
We help restaurants succeed online by providing branded websites, mobile apps, and tailored marketing solutions, giving them full control of their business. By removing high commission fees charged by third-party platforms, we empower restaurants to grow sustainably.
Through our partnership with AppSmart, the market leader in POS and in-store systems, we’ve become the largest restaurant-focused platform in Europe.
What We Offer
- Competitive salary
- High ownership and autonomy
- Clear progression toward Tech Lead / Staff Engineer responsibilities
- Opportunity to work on large-scale, revenue-critical production systems
- Strong focus on security, reliability, and engineering best practices
- Collaborative, international engineering team
- Emphasis on learning, mentoring, and long-term growth
- Designing and implementing secure Payment Integration services using C# / .NET 5/6
- Working with major third-party payment providers (e.g. PayPal, Stripe or similar)
- Managing full transaction lifecycles (authorisation, capture, refunds, disputes)
- Implementing webhook and event-driven payment flows
- Ensuring PCI DSS awareness and secure data handling practices
- Delivering features end-to-end across backend and frontend
- Building and maintaining secure REST APIs
- Owning the full lifecycle: discovery → implementation → release → monitoring → iteration
- Writing secure, scalable, and maintainable production code
- Contributing to architectural decisions around payment reliability and resilience
- Mentoring engineers and raising engineering standards
- Strong Senior-level full-stack engineering experience
- Strong production experience with C# and .NET 5/6
- Experience integrating with payment providers (e.g. PayPal, Stripe or similar platforms)
- Understanding of PCI DSS principles and secure data handling
- Solid web fundamentals (HTTP, REST, authentication, performance, security)
- Experience designing APIs and integrating third-party systems
- Ability to work independently with high accountability and ownership
- Clear communicator across product, design, and stakeholders
- Experience in high-transaction or fintech environments
- Experience with queues or event-driven systems
- Experience working across multiple backend technologies
- Passion for engineering quality and pragmatic decision-making
Key Skills
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