Senior Backend Python Developer

Fundcraft

  • Girona
  • Permanente
  • Tiempo completo
  • Hace 1 mes
  • Solicite fácilmente
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.RequirementsKey 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
RequirementsTechnical 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
BenefitsWhy 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.

Fundcraft