Senior Backend Engineer

Senior Backend Engineer

Join us at Riva , where we are rebuilding B2B cross-border payments from the ground up — making them seamless, fast, and cost-effective . We are building the infrastructure from scratch, and we are looking for a Senior Backend Engineer to help design and implement the systems that will power our payment platform globally .

Responsibilities

As a Senior Backend Engineer, you will be responsible for building the backbone of Riva’s infrastructure—designing scalable, secure systems that handle mission-critical financial flows :

Architect and implement our core payment processing engine.

Develop reliable and scalable financial systems for global operations.

Build integration layers with banking partners and an enterprise-grade reconciliation system.

Design and optimize our payment routing engine to balance speed and cost .

Contribute to technical architecture and long-term infrastructure planning.

Qualifications

We’re looking for a backend engineer with a strong foundation in systems design and a passion for solving complex infrastructure challenges in a dynamic environment. You should have :

Deep experience with Java (Spring Boot)

Proficiency in Python (not mandatory)

Strong understanding of database design and performance optimisation

Experience working with distributed systems

4+ years of experience in backend development

Familiarity with event-driven and high-throughput architectures

Why Join Us?

At Riva, you’ll have the opportunity to build financial infrastructure from the ground up , working on scalable, high-impact systems in a fast-moving environment.

Apply now to learn more.