Senior Python Engineer - Freelance

DescriptionNetguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.How freelancing works at Netguru?As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks.We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.Location: Remote/ based in European UnionContract: B2B -Start date: ASAPRate: 28EUR/hRequirementsTasks & ResponsibilitiesStrong commercial experience with Python backend development.Experience extending and maintaining existing production systems (no rewrite of core logic).Ability to design and implement parallel GxP-compliant services (authentication, authorization, audit trail).Hands-on experience with:Secure authentication & RBACElectronic signaturesImmutable audit loggingExperience working with SQLite or other relational databases.Experience migrating from file-based storage (e.g. JSON) to structured database solutions.Understanding of data integrity, traceability, and compliance principles.Experience maintaining Python web server configurations.Experience with build automation and making environments traceable and auditable.Good English communication skills.BenefitsReceive a monthly allowance for individual benefits, adjusted to your country and lifestyle.Take advantage of 20 paid vacation days per year.Use a dedicated yearly fund for learning, courses, or certifications.Work fully remotely.Join a team delivering high-impact digital solutions for internationally recognized clients.Contribute to advanced, technology-driven projects that shape modern industries.Take ownership — your role goes far beyond routine development tasks.Use your expertise to guide clients toward effective, scalable solutions.Enjoy a balanced pace of work — we value precision and thoughtful execution over speed.Collaborate daily with senior professionals and domain experts.Access multiple career development paths and growth opportunities.