Software Engineer

Mambu Payments (formerly Numeral); Netherlands; On-site; EUR 40,000 - 55,000; Full time

Job summary

A leading fintech company in the Netherlands is seeking an entry-level Backend Software Engineer to contribute to their payment platform. The role involves designing, building, and maintaining scalable backend systems while ensuring security and performance. Ideal candidates should have experience with Golang or similar languages, relational databases, and solid API design. This full-time position offers a chance to impact the banking experience for millions globally.

Qualifications

• Experience with Golang or similar programming languages.
• Experience with relational databases and SQL.
• Recognition of challenges in high-volume SaaS platforms.

Responsibilities

• Design, build, and maintain scalable backend systems.
• Lead end-to-end feature delivery from design to deployment.
• Identify and propose architectural improvements.

Skills

Golang

Relational databases

SQL

API design

Logical thinking

Job description

Join to apply for the Software Engineer role at Mambu Payments (formerly Numeral)

Join Numeral - A Mambu Company, Shaping the Future of Financial Technology!

Join the fintech revolution with Mambu, the leading SaaS cloud banking platform. We're on a mission to make banking better for a billion people. Explore exciting career opportunities and help shape the future of financial services. Learn more here.

About the Team

As a Backend Software Engineer, you will be a key contributor to the development of our payment platform. You’ll design, build, and maintain scalable backend systems while ensuring the security, performance, and reliability of our solutions. You’ll collaborate with cross‑functional teams to deliver cutting‑edge payment features that enhance the customer experience.

• Build software that resolves real‑life payments/fintech problems for a high number of customers and impacts millions of end‑users worldwide.
• Deal with complex calculations that require a high degree of logical thinking on top of technical skills.
• Lead end‑to‑end feature delivery from design to planning, implementation and deployment.
• Identify, propose and contribute to/coordinate architectural improvements.
• Experience with Golang or similar programming languages (general purpose, compiled, statically typed)
• Experience with relational databases and SQL and familiarity with high concurrent environments, transactions management, and isolation
• Recognize the challenges of running a high‑volume SaaS platform at a large scale and produce quality, easily maintainable, and documented code that respects best practices.
• Solid API design skills, with a focus on security and documentation
• You are curious and product‑oriented
• You are autonomous and proactive.

Referrals increase your chances of interviewing at Mambu Payments (formerly Numeral) by 2x.

Seniority level

Entry level

Employment type

Full‑time

Job function

Software Development