Senior Backend Python Developer

fundcraft; Gerona; Híbrido; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A tech-driven company in Girona is seeking a Senior Backend Python Developer to rebuild its backend infrastructure. This role involves designing scalable systems and collaborating with cross-functional teams in a vibrant hybrid workspace. The ideal candidate has over 5 years of experience in Python, especially with Django and FastAPI. A competitive compensation package and a dynamic work culture await the right individual.

Servicios

Attractive compensation package

Flexible entry hours

Monthly afterworks

Modern ergonomic environment

Formación

• 5+ years of Python development with strong command of Django and FastAPI.
• Deep knowledge of PostgreSQL and MongoDB.
• Experience designing distributed systems and REST APIs.

Responsabilidades

• Design and build scalable backend services using Django and FastAPI.
• Collaborate on data architecture with the Head of Data.
• Drive system architecture decisions.

Conocimientos

Python development experience

Django

FastAPI

PostgreSQL

MongoDB

Docker

AI-assisted development

REST APIs

Microservices

Herramientas

Docker

AWS

MCP servers

Descripción del empleo

We're looking for a Senior Backend Python Developer to help rebuild our backend infrastructure from the ground up, working closely with a high-caliber engineering team. In this role, you'll apply cutting-edge AI development tools and best-in-class engineering practices to build scalable systems that support our growing platform.

You'll collaborate with our VP of Product, Head of Data, and other cross-functional teams to turn product requirements into elegant, efficient backend solutions. You'll play a key role in architecting systems, mentoring talent, and driving innovation in a fast-paced, product-first environment.

This position is based in Girona, Spain, with a hybrid work setup. However, we welcome applications from candidates who are seeking a fully remote arrangement, especially if their skills and experience closely match the role. You'll report directly to the VP of Product.

Requirements

Key Responsibilities:

Technical Leadership & Backend Development

• Design and build scalable, maintainable backend services using Django, FastAPI, and related Python frameworks
• Collaborate with the Head of Data on data architecture and seamless data flow between backend and data infrastructure
• Drive system architecture decisions as part of our backend rebuild initiative
• Work with diverse storage technologies: PostgreSQL, MongoDB, OpenSearch, and optimize data modeling and access
• Implement robust API design and integrate effectively across microservices
• Use Docker, AWS, and related cloud tools to build resilient infrastructure
  
  

AI-First Development

• Leverage AI development tools like Cursor, Claude Code, and MCP servers to accelerate delivery
• Maintain and refine Cursor rules and AI-assisted development configurations
• Promote best practices in AI-assisted coding while ensuring high code quality and security
• Stay on top of AI tooling trends and share insights across the team
  
  

Cross-Functional Collaboration

• Work with product managers and the Head of Data to implement features from PRDs
• Ensure backend systems support data analytics, ML workflows, and reporting pipelines
• Participate in agile ceremonies: sprint planning, retrospectives, backlog refinement
• Translate business needs into user stories, epics, and technical specs
• Collaborate with frontend developers, designers, and other stakeholders to deliver cohesive product experiences
  
  

Mentorship & Team Growth

• Mentor junior developers and provide technical guidance through code reviews and pair programming
• Foster a culture of high-quality engineering and continuous improvement
• Share knowledge on Python best practices and AI tooling
• Help define and evolve team standards and development processes
  
  

Requirements

Technical Expertise

• 5+ years of Python development experience, with strong command of Django and FastAPI
• Deep knowledge of PostgreSQL, MongoDB, SQLAlchemy, and Alembic
• Proficiency with Docker and cloud platforms (AWS preferred; Azure or GCP also valued)
• Experience designing distributed systems, REST APIs, and microservices
• Familiarity with Celery for task queues and OpenSearch/Elasticsearch
  
  

AI Development Proficiency

• Experience with tools like Cursor, Claude Code, or other AI-assisted development platforms
• Familiarity with MCP servers and integrating AI into the dev workflow
• Ability to manage AI rules/configs while maintaining clean, secure codebases
  
  

Product & Process Acumen

• Strong grasp of agile methodologies and product development cycles
• Comfortable interpreting PRDs and translating them into executable plans
• Skilled in writing clear user stories and collaborating with cross-functional teams
  
  

Communication & Leadership

• Excellent verbal and written communication in English (Spanish is a plus)
• Proven ability to mentor junior developers and contribute to team culture
• Strong problem-solving skills and participation in technical decision-making
  
  

Benefits

Why Join Us:

• Join a culture that celebrates creativity and welcomes innovative, disruptive ideas, empowering you to make a real impact
• Immerse yourself in a fast-paced, diverse workplace where you'll have the chance to collaborate and learn from specialists across various fields, fostering personal and professional growth
• Embrace automation and seamless tech integration in your workflows, while our platform boosts operations through tech leverage, ensuring you stay ahead of the curve and updated with new technologies
• Enjoy an attractive compensation package that recognizes your contributions and dedication to our shared success, rewarding you fairly for your hard work
• Work in a comfortable, ergonomic environment within our spacious, modern offices located conveniently in the heart of Girona, just minutes away from the train station where you can enjoy daily fresh fruit and coffee!
• Monthly afterworks organised by the company to unwind and strengthen team connections
• Enjoy flexible entry hours that help you balance your personal life with your work commitments