• Design and develop scalable backend systems using PHP, Node.js, and TypeScript • Build and maintain APIs using REST, GraphQL, and gRPC • Lead backend architecture discussions and define engineering standards • Design systems from the ground up and scale existing systems safely • Implement event-driven architectures using Kafka • Work with PostgreSQL, MySQL, MongoDB, Redis, and DynamoDB • Deploy and manage services on AWS or GCP • Containerize applications using Docker and orchestrate with Kubernetes • Contribute to AI-enabled product development and AI-ready backend design • Mentor developers and enforce backend best practices

• Design, create, and maintain robust, efficient, and reliable backend services to meet our platform's evolving needs. • Collaborate closely with business stakeholders to architect and implement new services from inception to delivery. • Contribute to developing new features and capabilities that deliver substantial value to our customers. • Work with various engineering and product teams to synchronize efforts and deliver cutting-edge solutions. • Craft and maintain user-facing technical documentation, enhancing user understanding and facilitating seamless adoption of our services. • Play a pivotal role in shaping our company's engineering culture, ensuring the maintenance of high engineering standards across the organization.

In the Music Mission, we build the tools and services that enable creators to express themselves, promote their work, and connect with fans. Discovery Mode is a key promotional tool that helps artists, labels, and licensors grow their audience while maintaining a high-quality listener experience. We are looking for a Backend focused engineer to join the OASIS team. OASIS builds and operates the systems that power promotion delivery and optimization within Discovery Mode. Our work ensures that promotional content isn’t just "surfaced", but is intelligently allocated by balancing complex, competing objectives across our entire ecosystem. The team is distributed and highly collaborative, working closely with Personalization (PZN) to serve high-quality promotion signals. You’ll be part of a small, impactful group of engineers across data and machine learning, owning a core piece of infrastructure that enables promotion delivery at scale. What You'll Do - Own and evolve backend systems that deliver promotion scores to personalization systems (PZN) - Build and maintain services that support promotion allocation and delivery at scale - Collaborate closely with machine learning engineers and data engineers to improve signal quality and system performance - Contribute to system design decisions that impact a critical part of Spotify’s discovery ecosystem - Improve reliability, scalability, and observability of existing infrastructure - Partner with cross-functional teams to ensure seamless integration with personalization workflows - Gradually expand your scope into adjacent areas such as data pipelines or ML-adjacent systems Who You Are - You have experience building backend systems using Java or similar languages - You are comfortable working across systems and are interested in learning beyond pure backend (e.g., data or ML systems) - You are driven to leverage AI to improve our systems, and eager to find practical ways to apply it - You have experience working with or exposure to Scala, Python, or data/ML workflows - You are excited to grow into a T-shaped engineer with breadth across backend, data, and ML-adjacent domains - You care about ownership and are motivated to take responsibility for evolving critical systems - You collaborate effectively with cross-functional teams, including personalization and data partners Where You'll Be - We offer you the flexibility to work where you work best! For this role, you can be within the North America region as long as we have a work location. - This team operates within the Eastern Standard time zone for collaboration. The United States base range for this position is $125,562- $179,374 equity. The benefits available for this position include health insurance, six month paid parental leave, 401(k) retirement plan, monthly meal allowance, 23 paid days off, 13 paid flexible holidays, paid sick leave. These ranges may be modified in the future. Spotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what’s playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will find the power to keep revolutionizing the way the world listens. At Spotify, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we’re here to support you in any way we can. Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world’s most popular audio streaming subscription service.

Kendago is a global leader in Direct-to-Consumer (D2C) digital marketing and advertising. We provide brands with a full suite of services powered by proprietary AdTech, including PPC campaigns, creative production, digital marketing strategies, and data-driven CRO optimization. By combining advanced PPC approaches with strong brand development, funnel optimization, and high-impact ad creativity, we help our clients scale into industry leaders. As a Python Back-End Developer, you’ll be responsible for developing high-performance Microservices, integrating with 3rd-party platforms, and building complex systems like Billing and internal automation tools. If you are a fast learner with a passion for clean code and modern architecture, we want you with us. This is a fully Remote position. Requirements - Python Proficiency: 5+ years of professional experience in Python development. - Web Frameworks: Strong hands-on experience with FastAPI (or significant experience with Django/Flask and a desire to work with FastAPI). - Architectural Understanding: Experience working with Microservices and distributed systems. - Database Skills: Solid experience with SQL and database schema design. - Cloud Knowledge: Familiarity with AWS environments. - API Expert: Proven experience building and consuming RESTful APIs. - Analytical Mindset: Strong problem-solving skills and the ability to dive into complex logical challenges. - Team Player: Ability to work independently while being a supportive part of a small, expert team. Responsibilities - Develop & Maintain: Build robust, scalable backend services using Python and FastAPI. - Microservices Architecture: Design and implement services within a distributed system environment. - Integrations: Create and optimize connections with external APIs and 3rd-party software. - Business Logic: Own the development of mission-critical systems, including billing and internal tools. - Data Design: Work with SQL databases to ensure efficient data organization and management. - End-to-End Execution: Participate in the full development lifecycle, from initial design to production. What We Offer: - True Impact: Your code and decisions directly shape the final product. - Modern Tech Stack: Work with the latest tools (FastAPI, Microservices, AWS). - Professional Growth: Mentorship from an experienced team in a supportive, ego-free environment. - Meaningful Product: Be part of building a "real-world" product with actual business impact.