Senior Backend Engineer (Fintech)

TL;DR

Senior Backend Engineer (Fintech): Building and evolving a robust financial B2B infrastructure with an accent on .NET/C# services, distributed architectures, and scalable API design. Focus on delivering high-impact product features for European businesses, ensuring system reliability, and collaborating within a cross-functional team.

Location: Must be based in Bulgaria

Company

hirify.global is a European fintech startup developing an all-in-one financial platform for entrepreneurs that integrates banking, accounting, and invoicing services.

What you will do

• Design and maintain scalable backend services using .NET and C# within a cross-functional product team.
• Collaborate with frontend, mobile, and AI engineers to deliver cohesive end-to-end product features.
• Challenge product assumptions and propose technical solutions that align with business goals and user needs.
• Ensure high code quality through automated testing, security best practices, and rigorous code reviews.
• Take end-to-end ownership of product outcomes, from initial design to production performance.

Requirements

• Location: Must be based in Bulgaria.
• Strong expertise in .NET and C# with experience in distributed system architectures.
• Proven track record of building and shipping complex, data-intensive applications.
• Product-minded approach with the ability to communicate technical trade-offs to stakeholders.
• Commitment to software quality through testing and security-first engineering practices.

Culture & Benefits

• Startup spirit with a focus on innovation and research-driven development.
• Opportunity to work on a high-growth, well-funded platform impacting businesses across Europe.
• Environment that prioritizes technical excellence, pragmatism, and cross-functional autonomy.
• Collaborative team structure involving diverse engineering crafts including ML/AI and QA.
• Opportunity for real ownership and influence over product development metrics.