The role involves building robust, fault-tolerant software and solving complex domain modeling challenges using Python and Django. The engineer will lead large milestones, mentor other engineers, and bridge communication between cross-functional teams.
Your mission
Senior Engineers have not only strong engineering skills, but the ability to make cross-team and organizational impacts.
- Technical & Architectural Ownership: Build robust, fault-tolerant software using Python, Django, GraphQL, Celery, and PostgreSQL. Apply deep architectural knowledge (e.g., separation of concerns, interfaces and refactoring practices like the Strangler Fig pattern or Chesterton’s Fence) to solve complex domain modeling challenges.
- Leadership & Execution: Take on large milestones, driving their direction and cadence to consistently hit target dates while managing technical trade-offs.
- Cross-Domain Bridge: Connect your team with related teams on cross-functional projects, quickly catching up on unfamiliar concepts and identifying critical points across domains.
- Communication & Risk Management: Articulate technical points clearly across domains and to stakeholders at all levels of technical literacy using a "strong opinions, loosely held" approach.
- Documentation & Standards: Set standards through your code and actions, ensure features and rollouts are thoroughly documented, and raise the engineering bar across the organization.
- Mentorship: Sponsor and mentor engineers, helping them grow and reach the standards needed for promotion.
Your profile
- Python & Django (or equivalent web framework)
- Domain modeling and architectural design
- GraphQL
- Writing robust and fault-tolerant software
- Celery and async processing
- PostgreSQL
⭐️Bonus points:
- AWS, Terraform, Kubernetes
- Experience with one or more frontend frameworks
What we offer
- Medical insurance: Your health, and your family's, is our top priority. You're fully covered.
- Holiday flat in Valencia: Dreaming of sunny days in Spain? Our company flat is ready for your next getaway.
- Gifts for special occasions: We love celebrating you. Expect thoughtful surprises on Easter, Women's Day, Father's Day, and more.
- Anniversary gifts: Your 1st, 5th, and 10th work anniversaries are milestones worth celebrating, and we mark each of them with a special gift.
- Team-building events: We value connection beyond work, offering engaging team experiences in great locations to inspire collaboration and fun.
- End of year celebrations: We wrap up each year with a special celebration, filled with joy, laughter, and unforgettable moments.
- Day off on your birthday: Your special day is yours to enjoy, no work required.
- Community and social initiatives: We bring people together through activities like Bring Your Kids to the Office Day, donation drives, tree planting, sporting events, decorating the Christmas tree with your colleagues, celebrating new office openings, Principal33's anniversary, and more.
- Access to Udemy: Growth matters, so you get unlimited access to thousands of courses. Develop your skills anytime, anywhere.
- German language courses: Dedicated courses to help you build your German skills, supporting both personal and professional growth.
- Personal and professional growth: We support your development through masterclasses with experienced trainers, and we're open to investing in courses and training that help you grow.
Email address
About us
At principal33, we are driven by innovation, collaboration, and a commitment to excellence. Our mission is to deliver impactful solutions that empower our clients and inspire our teams. We are dedicated to cultivating a work environment that attracts top talent, drives innovation, and values diverse perspectives. Join us and become part of an organization that prioritizes growth, creativity, and meaningful impact every day.