About this role
At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.
Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.
We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.
Develop and maintain a secure, scalable, cloud-native Managed Wi-Fi platform, covering backend microservices and APIs, captive portal and administration UI, subscriber/session and voucher management, FreeRADIUS/AAA integration, and BSS integrations. Ensure automated testing, CI/CD, containerized deployment, and cloud infrastructure management in collaboration with the Solution Architect.
Develop and maintain backend microservices and REST APIs using Python, FastAPI and PostgreSQL/Redis.
-Build responsive captive portals and administration interfaces using React and TypeScript.
-Implement voucher management, subscriber/session management, FreeRADIUS/AAA integration and BSS connectivity.
-Ensure application security, scalability and reliability through automated testing, API standards and performance optimization.
-Manage CI/CD pipelines, containerization and cloud deployments using Docker, Kubernetes, Azure/GCP, Terraform and Helm.
Python / FastAPI for backend services and REST APIs
- React / TypeScript for captive portal and management UI
- PostgreSQL / Redis for data, sessions and caching
- FreeRADIUS for AAA, accounting and policy integration
- Docker / Kubernetes / AKS
- Microsoft Azure/GCP
- REST / OpenAPI, OAuth2 / OIDC / JWT
- Git, CI/CD, Terraform and Helm
- Prometheus / Grafana / OpenTelemetry
- Strong software engineering experience with Python, FastAPI, React, TypeScript, SQL and microservices is essential.
4-6 years
-Experience with FreeRADIUS, Wi-Fi, networking, AAA, telecom/ISP platforms or multi-tenant SaaS solutions is a strong advantage.