Senior Software Engineer, Core Team

Posted on September 17, 2025
Zurich
Permanent
Posted on September 17, 2025

About this role

Salary: CHF 110’000 - 130’000 per year

Requirements:
  • * Solid experience with programming languages featuring strong static type systems.
  • * Strong background in building and operating high-performance, distributed systems (low latency, high concurrency, fault tolerance).
  • * Knowledge of sandboxing techniques for running untrusted code.
  • * Experience in designing software with a pragmatic, hands-on mindset, balancing speed and solid foundations.
  • * Strong sense of ownership and communication, thriving in small, highly collaborative teams.
Responsibilities:
  • You will join Rivero’s Core Team, building a greenfield, next-generation payment processing system from scratch. Our vision is to empower clients to design and run their own workflows in a payments-oriented, FaaS environment with a bring-your-own-code philosophy.
  • In this role, you will:
  • * Architect and implement the core payments system, including a custom workflow execution runtime
  • * Drive key decisions on architecture, stack, and tooling as your input will shape the future of our platform
  • * Engineer for scale by building high-performance, low-latency distributed systems with zero downtime
  • * Develop secure runtimes to safely run third-party code in Wasm sandboxes
  • * Prototype and iterate rapidly, turning new concepts into robust, production-ready software
  • You’ll work in a tight-knit, collaborative team in Zurich (or remotely in Europe), with the autonomy to make meaningful technical decisions and the chance to shape the product from its very first lines of code.
Technologies:
  • Architect
  • FaaS
  • Hardware
  • Haskell
  • Mobile
  • Rust
  • WebAssembly
  • Cloud
  • DevOps

More:

Rivero is a fast-growing FinTech startup founded in 2019, on a mission to help banks and financial institutions automate complex processes in the simplest and most efficient way. This allows banks to focus on what matters most: delighting customers with streamlined digital experiences. If you want to label us, we fall into both the #FinTech and #RegTech domains.

Since our founding, we’ve steadily grown our customer base and now offer a unique opportunity to join us in the exciting growth phase ahead.

We work in small, product-focused, interdisciplinary teams, driven by ambition and a shared excitement for our mission. We know many challenges lie ahead and we embrace them as opportunities to learn and grow.

At Rivero, we:
* Value self-awareness and confident humility
* Engage closely with our customers, listening with empathy to understand their needs and pain points
* Practice radical transparency in communication, while staying open-minded to questions, feedback, and grounded disagreements
* Believe mistakes are part of learning but failing to identify, analyze, and grow from them is not

Benefits
The little things that make a difference:
* Great office in a historic building, just 2 minutes from Oerlikon station, next to a park, with an in-house barista.
* Friday academy sessions to learn and grow from peers
* Friday happy hours to celebrate the week together
* Dog-friendly office
* Your choice of hardware and mobile subscription included
* Company share options to grow with us

Interested?
Send us a few lines about yourself, why you’d like to join Rivero, and your CV and/or portfolio.

Please note: We only consider applicants based in Europe. Indicate whether you’re applying for a fully remote or on-site position.

last updated 38 week of 2025

Salary

CHF 110’000 - 130’000 per year
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