Senior Full-Stack Engineer – AI Carbon Platform (Hybrid)

Industrial and Financial Systems; Madrid; Hybrid; EUR 85,000 - 110,000; Full time

Job summary

IFS is seeking a Senior Full Stack Engineer to help shape and deliver a cloud-based AI carbon intelligence platform. You will lead both front-end and back-end work, influence architectural decisions, and drive high-quality software in a dynamic, diverse environment.

You will collaborate across Product, AI, Platform Engineering, and other teams, champion DevOps, and contribute to a scalable, secure, observable product portfolio that reduces environmental impact.

Qualifications

• Senior engineer with hands-on full stack capability across front-end and back-end.
• Experience delivering scalable cloud-native applications and APIs.
• Strong understanding of DevOps practices, testing, and observability.

Responsibilities

• Lead the design, architecture, and implementation of scalable APIs and services.
• Architect and deliver accessibility-first user interfaces.
• Drive modernization of legacy systems into modular, API-first components.
• Own reliability, telemetry, SLOs, and incident response.
• Provide technical direction and trade-offs on scalability and maintainability.
• Mentor engineers and raise engineering standards.
• Collaborate with Product, Design, and Platform teams on discovery and delivery.

Skills

React

GoLang

APIs

Cloud platforms

DevOps

Microservices

Technical leadership

Frontend & Backend

Job description

IFS is seeking a Senior Full Stack Engineer to help shape and deliver a cloud-based AI carbon intelligence platform. You will lead both front-end and back-end work, influence architectural decisions, and drive high-quality software in a dynamic, diverse environment.

You will collaborate across Product, AI, Platform Engineering, and other teams, champion DevOps, and contribute to a scalable, secure, observable product portfolio that reduces environmental impact.