Senior Frontend Engineer (Electron) — Remote; Spain Relocation

Infinni; Islas Canarias; Presencial; EUR 70.000 - 95.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary

Relocation package

Remote work options

Two Tenerife offices

Descripción de la vacante

INFINNI is seeking a hands-on Senior Frontend Engineer to help build and evolve our cross-platform desktop applications. This role goes far beyond traditional frontend development, combining Electron, desktop architecture, networking, observability, and system integration to deliver fast, reliable desktop experiences.

The ideal candidate brings strong frontend expertise, solid engineering fundamentals, and a ownership mindset.

Formación

• 5+ years of professional experience in frontend software development.
• 3+ years of experience designing and building frontend architectures for complex applications.
• Solid understanding of Electron architecture, including the main process, renderer process, IPC communication, and desktop application lifecycle.
• Hands-on experience implementing network request interception, modification, logging, and debugging within Electron applications.
• Proven experience designing and building high-performance frontend architectures, reusable component libraries, or foundational engineering tools.
• Strong software engineering fundamentals with a focus on clean architecture, maintainable code, and long-term scalability.
• Strong ownership mindset with the ability to independently drive complex technical initiatives from design through production.
• Passion for leveraging AI-powered tools and workflows to improve development speed, software quality, and engineering productivity.
• Strong communication, collaboration, and problem-solving skills with the ability to work effectively across cross-functional and distributed teams.

Responsabilidades

• Design, develop, and maintain core modules of our cross-platform desktop application built with Electron.
• Build reliable, high-performance desktop experiences with a strong focus on stability, maintainability, and user experience.
• Design and evolve application architecture to support long-term scalability and product growth.
• Design, optimize, and maintain the application’s networking pipeline for reliability and performance.
• Implement advanced network request interception, modification, monitoring, and recovery mechanisms within Electron.
• Collaborate with third-party partners to define API contracts, data formats, authentication flows, and error-handling strategies.
• Troubleshoot complex networking and integration issues across different operating systems and environments.
• Build and improve logging, monitoring, and observability capabilities for desktop applications.
• Investigate and resolve production issues such as crashes, white screens, slow startup, memory leaks, and performance bottlenecks.
• Design resilience and graceful degradation strategies to improve application reliability.
• Participate in architecture discussions, code reviews, and technical design decisions.
• Continuously improve engineering quality, maintainability, testing, and development efficiency.
• Explore and adopt AI-powered development tools and workflows across the engineering lifecycle.
• Improve productivity through AI-assisted coding, testing, debugging, documentation, and performance analysis.
• Contribute to establishing modern AI-enabled engineering best practices within the team.

Conocimientos

Frontend development

Electron

Architectures

Networking

Observability

AI-powered tooling

Teamwork

Ownership

Problem solving

Herramientas

Electron main/renderer IPC

Frontend libraries

Node.js

Descripción del empleo

INFINNI is seeking a hands-on Senior Frontend Engineer to help build and evolve our cross-platform desktop applications. This role goes far beyond traditional frontend development, combining Electron, desktop architecture, networking, observability, and system integration to deliver fast, reliable desktop experiences.

The ideal candidate brings strong frontend expertise, solid engineering fundamentals, and a ownership mindset.