Python engineer in marketing tech

Oxigent Technologies; Barcelona; Hybrid; EUR 50,000 - 61,000; Full time

Benefits offered by this job

Health insurance

Pension plan

Flexible benefits

Training allowance

Hybrid work model

Wellness app

Team events

Job summary

Oxigent Technologies in Barcelona is seeking a Senior Backend Engineer to join a high-performance marketing tech team. You will design and maintain backend services and microservices using Python, integrate with external advertising platforms, and work on automation initiatives.

You will collaborate with Data/AI engineers, work with AWS and SQL, and contribute to a lightweight UI/dashboard using TypeScript/React.

Qualifications

• 5+ years in Backend software engineering.
• Strong Python for services, microservices, and automation scripts.
• Experience consuming, designing, and securing REST APIs with third-party platforms.
• Cloud environments (AWS) and SQL database design/queries.
• Frontend basics (TypeScript/React) for simple dashboards.

Responsibilities

• Design, develop, and maintain backend services, microservices, and REST API calls using Python.
• Develop automation scripts to connect internal tools and orchestrate campaigns.
• Integrate project logic with AWS and perform SQL queries/design.
• Create a lightweight UI/dashboard to visualize automation flow.
• Collaborate with Data and AI engineers and challenge architecture decisions.

Skills

Python

REST APIs

AWS

SQL

TypeScript

React

English

Spanish

Job description

Описание

Would you be interested in continuing to develop as a Senior Backend Engineer in a high-performance technological environment, participating in a strategic automation and innovation project for a leading multinational in the video game industry? We are looking for a Senior Python Developer to join a specialized Marketing Tech team. You will be part of a multidisciplinary technical team based at the Poblenou Technology Hub in Barcelona, developing the strategic initiative from scratch, Autopilot, aimed at automating and optimizing the entire user acquisition (UA) flow through automated integration with external advertising platforms and AI tools.

Задачи

• Design, develop, and maintain backend services, microservices, and REST API calls (both internal and to third-party advertising platforms: Google, Meta, AppLovin, etc.) using Python.
• Develop process automation scripts to connect internal tools and orchestrate the programmatic mass delivery of campaigns, managing system tracking and logs.
• Integrate the project logic with the cloud infrastructure on AWS and perform database queries and design using SQL.
• Create and maintain a basic user interface (UI) layer or monitoring dashboard (lightweight frontend with TypeScript/React) to visualize the automation flow and present the pilot results to management.
• Make proposals regarding the technical feasibility of modules, constructively challenge architectural decisions, and collaborate closely with Data and AI engineers.

Требования

• At least 5 years of demonstrable experience in Backend software engineering.
• Strong command of Python as the primary language for developing services, microservices, and automation scripts.
• Extensive experience consuming, designing, and securing REST APIs with third-party platforms and services.
• Knowledge of and practical experience in Cloud environments (AWS) and designing and querying relational databases (SQL).
• Basic knowledge or experience in Frontend development (TypeScript, React, or similar) to implement simple monitoring dashboards or basic visualization interfaces.
• Intermediate English (ability to read and interpret technical documentation and code comments) and fluent Spanish.
• A high degree of autonomy, proactivity, and adaptability to work on exploratory projects / PoCs.
• Будет плюсом: Knowledge of or interest in using and integrating Artificial Intelligence / Machine Learning tools

Условия

• Stability from day one, with a permanent contract.
• Competitive salary of up to 55,000 euros gross per year, depending on the profile and experience offered.
• Hybrid working model with only 2 days on-site per week (Monday and Tuesday) at the Poblenou (Barcelona) offices and 3 days working remotely.
• Flexible schedule, with flexibility around start and finish times.
• Annual training allowance to develop in the technical areas that interest you most.
• Private health insurance.
• Pension plan with additional employer contributions.
• Flexible benefits plan (transport, restaurant, childcare).
• Corporate wellness app with access to sports activities and gyms.
• Events, after-work gatherings, and activities to share and connect with the technical community.