Designing, building, and maintaining scalable backend services and data interfaces
Developing RESTful and/or GraphQL APIs to expose data and business services
Building backend services that support real-time and batch data access
Ensuring APIs are scalable, resilient, and well-documented (OpenAPI / Swagger)
Implementing data ingestion, transformation, and orchestration services
Integrating with databases, data warehouses, and event streams
Optimizing data access patterns for performance, reliability, and cost
Supporting identity, consent, and data-governance requirements at the API layer
Monitoring and tuning backend services for performance and availability
Partnering with frontend, analytics, and data engineering teams on end-to-end solutions
Supporting CI/CD pipelines and infrastructure-as-code workflows

Strong experience with backend languages such as Java, Python, Node.js, or Go
Hands-on experience building and consuming REST and/or GraphQL APIs
Solid understanding of SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, DynamoDB)
Experience with data pipelines, ETL/ELT, or event-driven architectures
Familiarity with cloud platforms (AWS, Azure, or GCP)
Experience integrating with analytics, CDP, CRM, or marketing platforms
Understanding of data modeling, schemas, and data quality best practices
Knowledge of identity, consent, and data privacy considerations is a plus
Experience with CI/CD pipelines, Git-based workflows, and automated testing
Familiarity with containerization and orchestration technologies such as Docker and Kubernetes preferred
Strong troubleshooting and performance optimization skills

Backend Developer – Data Layer / API Specialist

Key skills