Senior Kafka Integration Engineer

Established in 2019 and headquartered in Switzerland, Rivero is a fast-growing European company and a Visa Fintech Partner specialising in streamlining payment operations within the highly regulated payments industry. We focus on offering unique SaaS solutions for fraud recovery, dispute management, and payment scheme compliance.

Rivero strives to stand as a front-runner in the industry, offering best-in-class SaaS solutions that combine innovation with deep expertise. We are looking for an ambitious and driven person to join us for the exciting phase ahead.

What is it like to work at Rivero?

At Rivero, we:

• Act with urgency, working in fast, iterative cycles to deliver meaningful results quickly. We take initiative and collaborate effectively to keep things moving forward.
• Strive for excellence, taking ownership of our work and delivering high-quality outcomes. We hold ourselves accountable, continuously improve, and aim to exceed expectations in all areas across the organisation.
• Embrace growth as both individuals and as a company. We are ambitious, open-minded, and focused on learning from every challenge.
• Follow an open-book management approach: We are fully transparent, sharing not only the information you need to do your job but also providing insights that help you understand how Rivero is doing as a whole. We want to ensure that everyone is equipped to make informed decisions and contribute to our overall success.

Sounds exciting to you? Do you have such characteristic traits? Do you want to be part of our team? Then continue reading!

What you can expect from the job

Kajo is a distributed application built around the architectural concept of event sourcing and it is designed to support our customers as well as our internal scheme compliance experts.

As a senior backend engineer, you will collaborate with our team on the following responsibilities:

• Expand the current functionality of Kajo with new features and improvements.
• Maintain the existing codebase(s), identify pain points, and suggest solutions.
• Develop tools that help internal users manage the operational workload.
• Lead the design and implementation of new parts of the stack as the product requirements grow.
• Use your experience to enable fellow engineers by sharing your knowledge and unique points of view.

The Kajo Backend Tech Stack

Below you can find a description of the Kajo Backend Tech Stack. These are the tools, libraries, and frameworks that you will interact with the most in the context of your daily work.

• Languages: Kotlin, Java, Go
• Event Sourcing: Axon Framework (
• Web: Ktor, GraphQL, Hasura
• IAM: Keycloak

Other technologies we use

Here’s an overview of the key technologies that we use across our company. Some of these tools are shared across our products, so any expertise you bring in these areas is highly valued.

• Frontend: Typescript, Vue.js

What we expect from you

We are committed to delivering high quality, high value products to our customers. We value effective communication and everyday collaboration. Thus, we are looking for an experienced engineer capable of delivering high quality cloud/web applications.

Our requirements

• Proficiency in Kotlin
• Experience with distributed web applications
• Experience with relational databases
• Experience with designing application APIs
• Knowledge of git

Other qualifications that we value

• Experience with event sourcing systems/CQRS
• Experience with GraphQL
• Familiarity with Go
• Familiarity with other Infrastructure or DevOps tools mentioned before.

Interested?

We’d love to learn more about you! Please share a few lines about yourself and why you’re excited to join our team, along with your CV.

Rivero is a FinTech/RegTech startup on a mission to enable banks and financial institutions to automate complex processes in the simplest and most efficient way.

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