Generalist Engineer - R&D (Fintech)

Location: Remote in Poland or Spain

Company

hirify.global is an African financial platform providing payments, banking, credit, cross-border, and business management tools for businesses and individuals.

What you will do

• Design and build reliable, scalable, observable production systems.
• Own the full lifecycle from problem definition and system design through data, implementation, deployment, and operations.
• Work across application services, distributed systems, infrastructure, data pipelines, and ML systems.
• Debug complex production issues and improve performance, latency, reliability, and cost efficiency.
• Contribute to architecture, technical direction, maintainable code, documentation, and engineering standards.
• Frame ML problems, train and evaluate models, build reproducible pipelines, and deploy and monitor model performance, drift, and cost.

Requirements

• Strong computer science fundamentals covering data structures and algorithms, operating systems, networking, and distributed systems.
• Solid probability and statistics knowledge and experience building production systems at scale.
• Ability to work across Go, Java, Python, Rust, and SQL.
• Understanding of system behavior under load and failure, with strong debugging and first-principles reasoning skills.
• Comfort with Linux, containers, Kubernetes, data systems, streaming systems, ML infrastructure, and performance optimization.
• Must be based in Poland or Spain for this remote role.

Culture & Benefits

• People-first culture focused on well-being, inclusion, respect, and open communication.
• Learning and development environment with knowledge sharing, training, and internal technical talks.
• Salary, pension, health insurance, paid leave, and additional benefits.

Hiring process

• Introductory recruiter conversation.
• Take-home technical assessment followed by an interview discussion.
• System design interview and final technical and behavioural interview with an executive team member.