Senior Python Backend Engineer

Join to apply for the Senior Python Backend Engineer role at Oscar MobilityDirect message the job poster from Oscar MobilityWho We AreOscarMobility is transforming how car rentals work. Instead of traditional rental fleets, we connect local car dealerships with people who need cars, helping dealers monetize idle inventory like unused loaner vehicles and slow-moving stock. Our "no cure, no pay" model means dealerships only pay when we deliver results.We have more than 50,000 users across Europe and are now expanding into the U.S. The challenges ahead are big, and the opportunity to have real impact is even bigger.The OpportunityWe are hiring a Senior Python Backend Engineer to help build the foundation that supports our next stage of growth. This is a high‑ownership role focused on modernizing, refactoring, and scaling our backend systems.You will work on new services, improved architecture, and migrations that prepare us for multi‑country expansion. If you enjoy autonomy, taking initiative, and shaping real systems rather than maintaining old ones, you will thrive here.Location: Hybrid preferred in Malaga, Spain or Munich, Germany, remote possible within the EUDay‑to‑DayThis role has variety and responsibility. You will work across architecture, development, performance, and integration challenges. Expect to:Design, build, and own backend services written in PythonLead refactoring initiatives and reachitecture work to modernize and simplify our platformBuild reliable REST APIs for our React frontend, mobile apps, and partner integrationsCreate systems that support multiple countries, currencies, and languagesImprove performance, stability, and reliability in high‑growth environmentsWork closely with frontend, product, and technical leadershipBring proactive ideas to the table, not just execute ticketsOwn your work end to end, from concept to deploymentThis role requires someone who takes initiative, thinks ahead, and enjoys turning messy problems into simple, scalable solutions.What You NeedMust Have5+ years building and maintaining production‑grade backend servicesStrong experience with Python and frameworks like FastAPI, Django, or FlaskSolid experience designing and implementing RESTful APIsKnowledge of microservices or modular monolith patternsExperience with cloud platforms (AWS, GCP) and DockerFamiliarity with CI/CD practicesStrong communication skills in EnglishA proactive, ownership‑driven approach to engineeringNice to HaveExperience with reachitecture projects, migrations, or platform rewritesFamiliarity with Redis, message queues, or event‑driven systemsExperience with high‑scale or high‑traffic platformsBackground in mobility, automotive, logistics, or marketplace productsExperience with data pipelines, metrics systems, or observability toolingInterest in shaping technical direction and mentoring othersDeep understanding of SQL databases (PostgreSQL preferred)Our StackPython (FastAPI)MySQL, RedisAWS, Docker, GitHubREST integrationsFrontend ecosystem: React, Next.js, TypeScriptYou will help define how this stack evolves moving forward.Why Join UsReal ownershipThis is not a ticket factory. You will shape architecture decisions, propose changes, and lead improvements.You are joining at a pivotal moment as we expand internationally and modernize the entire backend.Greenfield and refactor blendExpect a mix of new service development and meaningful refactoring, with no outdated legacy systems.Small, fast teamYou will work closely with experienced engineers and have a direct line to the CTO.Flexibility and a competitive packageHybrid‑friendly environment, competitive compensation, and trust‑based work culture.What's NextApply – Send your CV and links to relevant work or GitHubTechnical AssessmentInterview with Tech LeadsCTO ConversationOfferIf you want to work with autonomy, help shape a platform that is scaling internationally, and enjoy solving real technical challenges, we’d love to hear from you.Send your resume and a brief note about why OscarMobility caught your attention.Employment DetailsSeniority level: Mid‑Senior levelEmployment type: Full‑timeJob function: Engineering and Information TechnologyIndustries: Travel ArrangementsReferrals increase your chances of interviewing at Oscar Mobility by 2x#J-18808-Ljbffr