Senior Software Engineer (Fintech)

TL;DR

Senior Software Engineer (Fintech): Joining the Merchant Experience team to work on the Merchant Portal platform, the central B2B application where merchants manage orders, track performance, and grow their sales with an accent on backend systems and platform evolution, also touching frontend code when needed. Focus on engineers defining problems, validating hypotheses with data, making product decisions, and iterating quickly based on real merchant feedback.

Location: Barcelona, Catalunya [Cataluña], Spain. Hybrid or remote work

Company

hirify.global is a privately-owned fintech company that is expanding throughout southern Europe and Latin America.

What you will do

• Own product problems end-to-end: from understanding customer needs and defining hypotheses to validating solutions and shipping impact.
• Design and evolve core Merchant Portal platform modules with scalability and extensibility in mind.
• Make data-informed product decisions by analyzing metrics, gathering evidence, and incorporating merchant feedback.
• Collaborate closely with other engineering teams, vertical product teams, and customer-facing roles to ensure platform impact.
• Contribute to architectural decisions that enable the Merchant Portal to become a true B2B platform.
• Work in an AI-augmented development environment, leveraging AI tools to accelerate delivery while focusing on problem-solving and product thinking.

Requirements

• 7+ years of experience as a Software Engineer / Backend Engineer
• Strong backend engineering fundamentals
• A strong product engineering mindset: you care about why you’re building something and the business impact it creates
• High level of autonomy, ownership, and accountability
• Experience validating assumptions with data and making evidence-based decisions
• Solid knowledge of OOP, clean code, testing practices, and agile methodologies
• Comfortable working in English for daily communication. You'll be writing docs, reviewing code, and discussing technical decisions with the team in English
• You thrive in ambiguity and enjoy defining problems, not just solving them
• You're energized by product ownership and business impact.

Nice to have

• Experience contributing across the stack as a fullstack engineer.
• Experience working with AI tools in software development such as Claudecode, Cursor, Codex etc.
• Fluent in Spanish is a plus.

Culture & Benefits

• Flexible working hours.
• A personal budget for professional development.
• Office workshops and meet-ups to encourage community participation and career growth.
• Hybrid or remote work
• Flexible compensation plan for transportation, restaurants, and kindergarten with Cobee.
• Health insurance discounts with Sanitas and DKV.

Hiring process

• Interview with People Team
• Technical take-home assessment (async)
• Live Peer review of the assessment
• Meet the team