Back End Developer

Kureos; Arbo; Híbrido; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

Cequeliños is seeking an experienced Back End Developer / Platform Engineer to shape our data infrastructure and trading-related systems. You will design and build reliable services, connect applications and data across the organisation, and work closely with cloud engineers to deploy scalable solutions.

The role requires strong Python/C#/Java skills, cloud experience (Azure preferred), and a pragmatic, collaborative approach to complex engineering challenges.

Formación

• 7+ years of professional software engineering experience.
• Strong backend development in Python, C#, Java.
• Experience with cloud infrastructure, preferably Azure.
• Knowledge of Kubernetes, CI/CD and modern DevOps practices.
• Working with PostgreSQL and data integration concepts.

Responsabilidades

• Build and evolve backend services, APIs and platform tooling.
• Design robust integration and ingestion services.
• Develop scalable data models and storage solutions.
• Improve data quality, observability and platform reliability.
• Translate business needs into technical designs.
• Collaborate with infra teams on cloud environments and maintenance.
• Work with stakeholders to deliver meaningful outcomes.

Conocimientos

Python

C#

Java

Azure

Kubernetes

CI/CD

PostgreSQL

English (C1)

Herramientas

Azure

Kubernetes

PostgreSQL

Descripción del empleo

Back End Developer Cequeliños, galicia, Spain

Descripción del trabajo

Back-end / Platform Engineer - Trading Data Infrastructure

Experiencia, cualificaciones y habilidades interpersonales, ¿tiene todo lo necesario para triunfar en esta oportunidad? Descúbralo a continuación.

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. If you want to shape the foundations of a modern technology and data landscape, we’d like to hear from you.

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