Senior Software Engineer - Checkout (d/f/m)

Redefine the future of live entertainment tech

Welcome to vivenu, the global leader in event ticketing tech and one of the world’s fastest-growing live entertainment tech firms. We are transforming event ticketing for global leaders like the Grammys, the Golden Globes, Stanford University and the Hockenheimring turning what was once a simple transaction into a strategic business advantage. Backed by over $65 million in funding, our platform empowers event organizers to own their brand experience, unlock deep data insights, and seamlessly integrate ticketing into their digital infrastructure.

With six offices worldwide and growing, we deliver a customizable, intuitive solution and industry-leading support that simplify even the most complex ticketing challenges – helping organizers deliver exceptional experiences and drive real growth.

Join us and build the future of live entertainment.

With over 10 million end users and usage quadrupling annually, our infrastructure now handles over 1 billion requests per month — and counting. Our API-first platform solves complex system challenges at scale — delivering performance, flexibility, and reliability for the world’s leading live entertainment brands.

Our tech stack

Frontend: React, Next.js, React-Router v7

Backend: Node.js, GoLang

Database: MongoDB

Cloud: GCP

As a Senior Software Engineer - Checkout (d/f/m), your responsibilities will include:

• Full ownership of our core logic by architecting the systems that manage everything from the first "add to cart" to the final order confirmation, ensuring a seamless flow across all domains except payments
• Responsibility for the complex state machines that power our real-time seat reservations, maintaining absolute data integrity even under extreme conditions
• Building and maintaining high-performance, fault-tolerant systems that remain resilient even when facing peaks of over one billion requests during global award shows or stadium tours
• Designing and implementing the logic required to prevent race conditions while proactively identifying and fixing performance bottlenecks to ensure minimal latency
• Leading the end-to-end architecture process, from defining API-first checkout flows to optimizing global latency and system observability
• Driving engineering excellence by implementing best practices in distributed locking, transaction integrity, and high-scale reliability
  
  
  

What you will need to succeed in this role:

• At least 5+ years of engineering experience and a strong background in software development with a focus on backend complexity and distributed systems
• You are a master of engineering fundamentals and prioritize robust system design over specific syntax, valuing the ability to solve concurrency challenges regardless of the language
• You have extensive experience working on high-scale B2B2C, E-commerce, or booking platforms where complex order logic and data integrity were primary challenges
• Possessing a natural mindset for building fault-tolerant architectures, ensuring that our systems behave perfectly even when 50,000 people attempt to book the same seat simultaneously
• Proven track record of identifying and resolving deep-seated performance bottlenecks within distributed environments
• A strong sense of ownership and focus on designing mission-critical solutions rather than simply writing code
• You communicate with high clarity and can effectively explain architectural trade-offs and the reasoning behind technical decisions to both engineers and stakeholders
  
  
  

Why join vivenu?

Live Entertainment Tech

Play a mission-critical role for global brands, redefining fan experiences from festivals to major sports events. Here, you’re part of the business of fun — powered by cutting-edge technology that brings moments to life for millions.

Sustainable Growth

We scale sustainably on a profitable, VC-backed foundation with true product-market fit. This means continuous investment in our people, products, and long-term vision.

Top-tier Team

Collaborate with over 160 dedicated professionals, including leaders from Google, Slack, and Salesforce. Together, we’re shaping the future of live entertainment technology, one decision at a time.

Global DNA

We’re a diverse, merit-driven team spread across six global offices. Talent and impact are what matter here — not hierarchy or background.

Fast Growing, in All Aspects

Sifted consistently ranks us among the fastest-growing scale-ups in Europe. We’re driven by daily learning, shared wins, and collective growth.

Next-Gen Leaders & Insights

Work alongside some of tech’s brightest minds — from Forbes 30 Under 30 founders to Executive of the Year award winners. At vivenu, you’ll help set the standard for the ticketing industry’s future.

vivenu Inclusion Statement

At vivenu, we believe our people define our success – and that we win with bold, diverse minds. The strongest teams are built on different perspectives, experiences, and voices. We’re committed to creating a workplace where everyone feels empowered to contribute, grow, and thrive to shape the future of live entertainment globally.

Check out our mission statement and corporate values here.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.