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# Software Engineer III

- **Company:** Búsqueda Avanzada
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Design of User Interfaces, Monitoring of Systems, Performance Tuning, Software Deployment, TypeScript, Web Application Frameworks, Material UI, Front End Software Development
- **Published:** September 24, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

This role requires strong frontend engineering expertise, architectural thinking, and the ability to independently deliver production-grade systems.
5+ years of professional frontend engineering experience delivering production-scale applications
Strong expertise in TypeScript and modern frontend frameworks, with experience in building complex UI systems
Proven ability to independently own features from scoping and design through production deployment
Deep understanding of frontend architecture, performance optimization, and scalable UI design
Experience building accessible and maintainable interfaces in high-scale or high-impact environments
Strong ability to contribute to architectural discussions and evaluate technical trade-offs
Excellent coding standards with strong testing practices and attention to maintainability
Strong communication skills, especially in distributed and async-first environments
Ability to understand both technical and business context behind product decisions
Experience working in fast-paced, product-driven engineering environments, Volver a la última búsqueda Trabajos ) Software Engineer III, Frontend - Account Experience ( volver a la última búsqueda

## Description

This role sits at the core of a global payments infrastructure platform, focused on shaping how merchants interact with complex financial systems through intuitive, high-performance user experiences. You will be responsible for building and evolving the frontend surfaces that power account setup, operational workflows, monitoring tools, and AI-assisted merchant experiences. Working in a product-driven, remote-first environment, you will own end-to-end delivery of impactful frontend initiatives, from early architecture decisions to production monitoring and iteration. The role blends strong engineering craftsmanship with product thinking, requiring close attention to performance, usability, and scalability. You will contribute to shaping frontend architecture, raising engineering standards, and ensuring a cohesive merchant experience across multiple surfaces. This is a high-impact position where your work directly influences reliability, usability, and business outcomes at scale.
Accountabilities
Own and deliver frontend initiatives end-to-end within the Account Experience domain, ensuring high-quality, scalable, and user-focused merchant-facing interfaces.
Lead frontend development across merchant setup flows, operational dashboards, monitoring tools, and payment-related UI surfaces
Take ownership of architectural decisions, contributing to RFCs, ADRs, and system design discussions with minimal supervision
Build composable, performant, and accessible UI components that support complex financial workflows
Monitor production systems using metrics and dashboards, proactively identifying and resolving issues
Maintain a high engineering quality bar through clean, tested, and maintainable code practices
Participate in incident response, taking ownership of resolution and clear stakeholder communication
Collaborate closely with product and engineering teams to refine requirements and improve system design
Contribute to improving frontend standards, tooling, and shared architecture across the platform
Share knowledge and mentor peers to raise the overall engineering quality of the team


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