xEngineer (Backend oriented), Premium Billing Platform

As a backend engineer at Premium billing platform youll play a key role in designing and building scalable backend services for our subscriptions billing and payment systems. Youll work on cutting-edge technologies to create resilient API-first platforms and collaborate closely with cross-functional teams to deliver robust your day-to-day you will: 
Design and build backend services for subscriptions billing checkout and payment execution at scale 
Develop API-first domain models for subscriptions orders invoices payment intents and payment methods 
Create resilient distributed flows using asynchronous processing idempotency retries and failure-recovery mechanisms 
Design systems that work across multiple payment providers while maintaining platform agnosticism 
Improve production reliability and observability using metrics logs traces and data-driven insights 
Collaborate with Product Payments Data Finance and other teams to deliver end-to-end solutions 

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At Wix we believe our best work happens together. Our work model is fully in person with 5 days a week from our office. Flexibility remains a core value at Wix and special requests are handled thoughtfully at the team level. 

Qualifications :

4 years of experience building backend systems in production 
Strong software engineering fundamentals with hands-on experience designing complex backend systems 
Experience with distributed systems and microservices architectures 
In-depth understanding of API design domain modeling Object-Oriented Programming and SOLID principles 
Proven experience designing systems for reliability scalability consistency and failure recovery 
Expertise in asynchronous and event-driven architectures 
Commitment to automated testing clean code and maintainable software design 
Ability to troubleshoot complex production issues across multiple services and data sources 
Strong ownership mindset taking responsibility for critical systems from design to production 
Curiosity and practical experience using modern AI-assisted engineering tools in development workflows 
Strong communication and collaboration skills 

An advantage 
Experience with billing subscriptions fintech payments or transaction-heavy systems 
Familiarity with payment providers like Stripe Adyen Braintree PayPal or similar platforms 
Expertise in high-volume migrations or modernizing large legacy systems 
Knowledge of event-driven systems workflow orchestration or distributed transaction patterns 
Hands-on experience with large-scale data and observability platforms 

Additional Information :

As a backend-oriented engineer in Wixs Premium Billing team youll help build and enhance the platform that powers subscriptions billing and payment flows across Wix products. The team is developing the next generation of Wixs billing infrastructurea flexible API-first platform designed to support multiple products business models pricing structures and payment providers at scale.

Our systems manage critical aspects of the customer lifecycle including checkout subscription creation and modifications renewals invoicing payment processing payment-method management and billing history. Youll work on highly distributed business-critical systems where accuracy resilience and backward compatibility are essential. Additionally youll play a key role in modernizing existing billing flows and migrating large-scale production traffic and subscriptions to the new platform.

Why join us 
Build the platform that drives one of Wixs most essential business domains 
Solve real-world distributed-system challenges involving money subscriptions payments and millions of customers 
Shape the architecture of a new billing platform influencing its design and development 
Tackle complex issues like migrations reliability consistency payment routing and lifecycle management 
Collaborate with experienced engineers while having significant ownership and architectural impact 
Leverage modern engineering practices automation data and AI to build and operate robust systems 
See your work directly impact Wixs products customers revenue and the launch of new business models 

Remote Work :

No

Employment Type :

Full-time