Senior Backend Engineer

About Us

Foundever™ is a global leader in the customer experience (CX) industry. With 170,000 associates across the globe, we are the team behind the best experiences for +750 of the world’s leading and digital-first brands. Our innovative CX solutions, technology, and expertise are designed to support operational needs for our clients and deliver a seamless experience to customers in the moments that matter.   

About the Role

We are seeking a Senior Back-End Software Developer to join our Common Tools team. The team is responsible for building and maintaining shared technical foundations used across multiple product teams, including developer-ready templates, reusable Python libraries, and a set of shared microservices.

What You'll Do

Developer Templates & Enablement

• Build and maintain production-ready service templates enabling teams to quickly create new backend services.


• Ensure templates include standard structure, testing, CI/CD, security, and observability out of the box.


• Keep templates aligned with internal standards and continuously improve them based on team feedback.

Shared Microservices & Components

• Design and develop shared microservices using Python and FastAPI.


• Build reusable Python libraries consumed by multiple services.


• Use FastAPI features to define, validate, and expose consistent, well-structured APIs.


• Manage database migrations using Alembic.


• Contribute to shared coding standards and code reviews.

Quality, Testing & Observability

• Enforce high engineering standards across templates, services, and libraries.


• Implement robust testing strategies (unit, integration, system).


• Ensure services expose metrics, logs, and traces for production monitoring.


• Apply security best practices, with strong knowledge of OAuth2, OpenID Connect (OIDC).


• Build reliability, performance, and operational readiness by default.

What We're Looking For

Must-Have

• Strong professional experience with Python (minimum 5 years).


• Proven experience building production APIs with FastAPI.


• Solid experience with Alembic for database migrations.


• Strong understanding of software quality practices, including automated testing and clean code principles.


• Hands-on experience implementing metrics, logging, and tracing in production systems.


• Strong knowledge of backend security concepts, including OAuth2, OpenID Connect (OIDC), and secure service-to-service communication.


• Solid experience using GitLab for version control and CI/CD.


• Strong communication and collaboration skills.


• Fluent in both written and spoken English

Nice-to-Have

• Experience building and maintaining reusable Python libraries is a strong plus.


• Familiarity with Kubernetes and Helm


• Experience designing and maintaining developer templates or internal tooling is a strong plus.


• Experience with Docker and container-based deployments.

Technical Environment

• Languages & Frameworks: Python, FastAPI


• Database & Migrations: Alembic


• Security: OAuth2, OpenID Connect (OIDC)


• Testing & Observability: pytest, Testcontainers, Prometheus, Grafana, OpenTelemetry


• CI/CD & DevOps: GitLab, ArgoCD, Helm, Harbor, Kubernetes (EKS)


• Infrastructure: AWS (EKS, RDS, S3, etc.)