Senior Full-Stack Developer – Managed Wi-Fi Platform

Zensar Technologies
Pune Division, Maharashtra, India

Job Description

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.

Responsibilities

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.

Qualifications

4-6 years

  • Experience with FreeRADIUS, Wi-Fi, networking, AAA, telecom/ISP platforms or multi-tenant SaaS solutions is a strong advantage.

About Us

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.

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Questions about this job

How do I apply for the Senior Full-Stack Developer – Managed Wi-Fi Platform job at Zensar Technologies?

Use the apply link on this page: you apply directly with Zensar Technologies on LinkedIn. Before you do, score your resume against this job description on Fitboard. It shows which skills and keywords the job asks for that your resume doesn't show, so you can fix them first.

What skills does Zensar Technologies want for this Senior Full-Stack Developer – Managed Wi-Fi Platform role?

The job description asks for Python, FastAPI, PostgreSQL, Redis, React, TypeScript, FreeRADIUS and Docker. Make sure your resume shows the ones you have, in the words the job uses: applicant tracking systems look for them.

How can I get a job at Zensar Technologies?

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Is this Senior Full-Stack Developer – Managed Wi-Fi Platform job remote or onsite?

This is based in Pune Division, Maharashtra.

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