Backend Developer Python

Back-end / Platform Engineer - Trading Data Infrastructure

Join a high-impact technology team shaping the software and data infrastructure behind critical energy and trading processes. As a Backend Engineer / Platform Engineer, you’ll help build reliable, scalable services that connect applications, data and infrastructure across the organisation.

This is a hands-on opportunity for an experienced backend engineer who enjoys solving complex problems, designing pragmatic solutions and working across the boundaries of software engineering, data platforms and cloud infrastructure.

What you’ll do

• Build and evolve backend services, APIs and platform tooling used by data and engineering teams.


• Design robust integration and ingestion services connecting applications, systems and storage.


• Develop performant data models and scalable, resilient storage solutions.


• Improve data quality, observability, lineage and platform reliability.


• Translate business needs into clear technical designs and sustainable solutions.


• Work closely with infrastructure teams on cloud environments, provisioning and maintenance.


• Collaborate with stakeholders across technology and the business to deliver meaningful outcomes.

What you bring

• ~7+ years of professional software engineering experience.


• ~ Strong backend development skills in Python, C#, Java or a similar language.


• ~ Experience with cloud infrastructure and services, ideally Azure.


• ~ Practical knowledge of Kubernetes, CI/CD and modern DevOps practices.


• ~ Working experience with databases, preferably PostgreSQL.


• ~ Understanding of data integration, workflow orchestration and distributed systems.


• ~ A pragmatic, analytical approach to complex engineering challenges.


• ~ Strong communication skills and the ability to influence technical and business stakeholders.


• ~ Fluency in English (C1 or better); Spanish is advantageous.


• ~ Experience in energy or trading is welcome, but not essential.

You’ll join a small, ambitious team with the freedom to move quickly, make decisions and create lasting impact.

Please note - the role is Hybrid and would potentially demand 2 days per week from the Central Madrid offices.

Backend Developer Python Boiro, galicia, Spain