Senior Backend Python Developer

Role Overview We’re looking for a Backend Python Developer to take ownership of product development across backend systems. You’ll work across the full development lifecycle — from architecture and implementation through to deployment — partnering closely with Product and Engineering. Must Have (Non-Negotiable) Strong hands‑on experience with Python in production environments 8+ years of experience building scalable, high‑quality software applications Deep understanding of backend architecture and RESTful API design Strong experience with relational databases (PostgreSQL preferred) Hands‑on experience with AWS Proven ability to design, build, and ship end‑to‑end features independently Nice to Have TypeScript PHP Basic familiarity with JavaScript Elasticsearch Snowflake or modern data warehousing platforms Familiarity with GCP Key Responsibilities Product Development: Lead the development efforts, taking ownership of the entire product lifecycle from ideation to implementation. Collaborate with cross‑functional teams, including product managers and engineers, to deliver high‑quality products. Technical Leadership: Apply expertise in technologies to drive the adoption of new architectures and design patterns for our products. Mentor and guide junior developers, fostering a culture of continuous learning and improvement within the team. Innovation and Best Practices: Actively contribute to the evolution of our technical stack, ensuring it aligns with industry standards and supports scalability and maintainability. Cross‑Functional Collaboration: Work closely with cross‑functional teams to ensure backend systems effectively support product requirements. Your Professional Qualifications Core Experience & Technical Skills Extensive Experience: 8+ years of professional experience as a Software Engineer delivering high‑quality, scalable applications. Mandatory Backend Expertise: Proven, in‑depth experience with Python Database Proficiency: Strong experience with relational databases, specifically PostgreSQL (Postgres). Search & Indexing: Direct experience designing, implementing, and optimizing solutions using Elasticsearch. Cloud Computing: Hands‑on experience with AWS (mandatory), with familiarity with GCP as a bonus. Data Warehouse (Nice to Have): Experience working with modern data warehousing solutions like Snowflake. ️ Architecture & Design Component Design: Experience with a shared component design paradigm utilizing controller‑based patterns. Application Implementation: Proven track record of implementing applications effectively using established style guides and detailed wireframes. Backend Principles: Strong understanding of backend architecture principles and best practices for RESTful design. Development Methodologies & Teamwork Agile Development: Comfortable working in Agile environments and proficient in Test‑Driven Development (TDD) methodologies. Collaboration: Highly team‑oriented and collaborative, with the proven capacity to mentor junior team members and elevate team skill levels. Leadership & Communication: Demonstrated leadership ability combined with excellent written and verbal English skills. About Mozaiq Mozaiq is a fully remote team with roots in the US and Eastern Europe. We build powerful, cross‑functional teams that support some of the most sophisticated tech and marketing organizations in the world. Global Family: A tight‑knit, multicultural, remote‑first team Meaningful Work: Support world‑class brands and products Inclusive Culture: We prioritize collaboration, clarity, and growth Perks & Benefits Work from anywhere ⏳ Flexible hours Paid time off + holidays Team offsites Subsidised Health insurance #J-18808-Ljbffr