MoneyHash is looking for a Senior Backend Software Engineer to architect and build the core technology powering our payment infrastructure. As a key member of our remote EMEA team, you will take ownership of critical backend systems and APIs, designing for scale, security, and performance.

What You'll Do

Design and implement highly secure, fault-tolerant APIs and distributed systems architecture.
Collaborate in a multidisciplinary environment to rapidly iterate and prototype digital products.
Write clean, well-organized, and fully documented code.
Make strategic, proactive decisions on maintaining and upgrading projects.
Work with limited oversight on iterating existing codebases.
Work in close collaboration with infrastructure and frontend teams.
Take ownership of key technology decisions, building for scale and high performance.
Design and maintain CI/CD pipelines to ensure seamless deployment and integration processes.
Conduct code reviews and continuously look for ways of improving our ways of working.
Develop deep payments expertise and always look for ways to optimize our merchant developer experience.
Create detailed internal documentation for the projects you work on.
Work with and lead a small group of talented engineers to create reliable and highly secure products.
Take full accountability for project delivery and system performance in a fast-paced environment.

What We're Looking For

A high degree of empathy and learning capacity.
Senior experience building high-performance distributed systems and scalable architectures.
Strong command of technologies such as, but not limited to, Django, Django Rest Framework, Postgres, Redis.
Experience with CI/CD pipeline management and deployment automation.
Experience with containerization and orchestration tools (Docker, Kubernetes).
Familiarity with GitOps practices and tools like ArgoCD for deployment management.
Passion for beautiful and well-tested code.
In-depth understanding of the entire development process (design, development, and deployment).
Experience working in product companies, preferably in fintech or payment infrastructure.
Experience working in a small team, fast-paced startup environment.
Highly motivated self-starter who values autonomy and getting things done.
Strong accountability mindset with ability to own end-to-end delivery.

Nice to Have

Experience in using modern development practices such as DDD, BDD, and TDD would be highly advantageous.
Payment infrastructure experience is a significant plus.