Senior Backend Developer

Job Expectations: Position Type: Experienced - Senior/Lead Employment Type: Full-Time; Long-term Project-Based (Can be extended) Work Setup & Location: WFH - Metro Manila Work Schedule: Mondays - Fridays; Night Shift Industry: Advertising Services About the Job: We are seeking an experienced and detail-oriented Senior Backend Engineer with frontend knowledge to join our client's engineering team and play a key role in the ongoing development and evolution of their platform. In this role, you will design and implement robust backend solutions, utilizing Python-based services, GraphQL servers, and SQL/ORM technologies, while also contributing to frontend functionality as needed. You will collaborate closely with cross-functional teams to ensure scalable, secure, and efficient system architectures that meet both technical and business requirements. Beyond hands-on coding, you will contribute to technical decision-making, champion best practices for testing and deployment, and support CI/CD pipelines to accelerate the delivery of reliable software. This role offers the opportunity to work on high-impact projects with modern technologies, while also contributing to process improvements, open-source initiatives, and mentoring team members. Qualifications: Bachelor's degree in Computer Science, Engineering, or related field. 5+ years of professional experience in backend development. Strong proficiency in Python (Python3) with frameworks such as Flask or FastAPI. Expertise in SQL databases and ORM technologies (e.g., SQLAlchemy). Experience working with GraphQL (Python-based servers). Familiarity with frontend technologies, ideally React (form/state management). Hands-on experience with CI/CD pipelines, testing frameworks, and deployment automation. Proficiency in Linux or macOS development environments. Excellent communication and collaboration skills, with the ability to work effectively in cross-functional teams. Preferred Qualifications: Experience in adtech, analytics, or finance systems. Background in multi-app or monorepo environments. Knowledge of real-time processing and data privacy/security frameworks. Exposure to UI libraries such as Mantine. Contributions to open-source projects. Demonstrated leadership skills and ability to mentor team members. ***Only shortlisted candidates will be contacted; updating/tailoring CV is highly recommended***