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# Senior Software Engineer II, Integration Team

- **Company:** Checkout.com
- **Location:** Paris, France
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Payment Service Provider, Software Engineering, Golang
- **Published:** May 14, 2026
- **Apply:** https://fr.indeed.com/viewjob?jk=3bb019ac1ac47252

## About the Role

Do you have experience in gRPC?, * At least 5 years of experience in software development in Golang

 * Know your way around web-related tech (HTTP, TLS, proxies, API conventions...)
 * Have had experience in building technical frameworks that handles critical flows
 * Able to communicate with third-party providers from both a technical perspective and business
 * Be product minded
 * Always curious and passionate about understanding the business
 * Have worked in financial services
 * Have experience mentoring software engineers, and ambition to become manager

Nice to have

 * Payment knowledge around Cards or Alternative Payment Methods

## Description

* Working within our Integration team to deliver new API connections with Payment Service Providers, maintain existing integrations, and help evolve the platform by implementing new functionalities and optimizing performance.
 * Contributing to services and overall architecture by discussing technical solutions, proposing enhancements, and actively contributing to our codebases.
 * Build the technical vision of our payment framework with the goal of maximizing quality and velocity of the team
 * Own the product vision to help on designing, building, and releasing new features
 * Participating in our on-call paid rotation
 * Mentor and manage software engineers


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- [APIs and Architecture for scaling omnichannel payments](https://www.wearedevelopers.com/videos/90-apis-and-architecture-for-scaling-omnichannel-payments)
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