Senior Software Developer - Python & PHP (GCP)

Quantiphi; Maharashtra; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Quantiphi is hiring a Senior Software Developer to own backend architecture and cloud infrastructure. You will define standards for backend, security, and deployment, guiding leadership on technical approach, risks, and costs.

The role involves API design with REST/GraphQL, headless CMS integration with Contentful, and robust authentication implementations. You will work across DevOps, security, and data layers, building scalable services on GCP with Docker, CI/CD pipelines, and IaC tooling to

Qualifications

• Senior backend developer with strong Python and PHP experience.
• Hands-on with one or more cloud providers (GCP preferred).
• Experience with Docker and container deployment.
• Strong CI/CD and modern DevOps practices.
• Infrastructure-as-Code with Terraform or CloudFormation.
• Security best practices for cloud environments.
• Experience with REST and GraphQL APIs.
• OAuth 2, OpenID Connect, SAML and identity platforms.

Responsibilities

• Own backend and infrastructure architecture and document key decisions.
• Define engineering standards for backend, infra, security, and deployment.
• Advise leadership on technical approach, risk, effort, and cost.
• Evaluate tools and partners; support headless CMS integrations with Contentful.
• Lead authentication and SSO integrations; own database design and query optimisation.
• Design, deploy, and maintain cloud infrastructure on GCP; build CI/CD pipelines.

Skills

Python

PHP

GCP

AWS

Azure

Docker

CI/CD

Terraform

CloudFormation

REST APIs

GraphQL

OAuth 2

OpenID Connect

SAML

Contentful

Headless CMS

Vercel

Security best practices

SQL/NoSQL databases

Headless architecture

Tools

Terraform

CloudFormation

Docker

Kubernetes

Contentful

Vercel

Job description

While technology is the heart of our business, a global and diverse culture is the heart of our success. We love our people and we take pride in catering them to a culture built on transparency, diversity, integrity, learning and growth.
If working in an environment that encourages you to innovate and excel, not just in professional but personal life, interests you- you would enjoy your career with Quantiphi!
Role : Senior Software Developer
Experience : 5 - 7 Years
Location : Mumbai/Bangalore

Architecture & Technical Leadership

• Own the backend and infrastructure architecture, making and documenting key technical decisions
• Define and maintain engineering standards for backend code, infrastructure, security, and deployment
• Advise leadership and delivery teams on technical approach, risk, effort, and cost for new projects and pitches
• Evaluate and select tools, services, and third-party partners, bringing in specialist support where appropriate
• Share knowledge with the wider engineering team, including supporting front-end developers on backend and infrastructure topics

Backend Development

• Design, build, and maintain backend services and APIs using Python and PHP
• Write clean, well-tested, maintainable code, and establish review practices for backend work
• Optimise application performance, reliability, and security
• Design and integrate REST and GraphQL APIs, both consuming third-party services and exposing internal endpoints
• Work closely with front-end developers to support headless architecture, integrating with headless CMS platforms such as Contentful
• Design and own authentication and SSO integrations using OAuth 2, OpenID Connect, and SAML, working with identity platforms such as Microsoft Entra ID
• Lead database design and query optimisation

DevOps & Infrastructure

• Design, deploy, and maintain cloud infrastructure, primarily on GCP
• Build and manage containerised environments using Docker
• Support front-end developers with deployments on SaaS hosting platforms such as Vercel
• Build and maintain CI/CD pipelines to support fast, safe releases
• Implement monitoring, logging, and alerting, and lead incident response
• Own infrastructure-as-code practices and cloud cost/performance optimisation
• Own cloud security, access management, backups, and disaster recovery
• Maintain clear documentation and runbooks so systems are well understood and resilient beyond any one person

Essential Skills & Experience

• Proven senior-level experience as a backend developer, with strong commercial experience in Python and PHP
• Strong hands-on experience with at least one major cloud provider (e.g. GCP, AWS, Azure), ideally GCP
• Practical experience with Docker and containerised application deployment
• Strong understanding of CI/CD and modern DevOps practices
• Hands-on experience with Infrastructure-as-Code tools (e.g. Terraform, CloudFormation)
• Solid knowledge of security best practices for cloud environments
• Experience with relational and/or NoSQL databases
• Strong experience designing and integrating REST and GraphQL APIs
• Strong experience implementing SSO and authentication using standards such as OAuth 2, OpenID Connect, and SAML, and integrating with identity platforms such as Microsoft Entra ID
• Experience collaborating with front-end developers on headless solutions, including CMS platforms such as Contentful
• Comfortable working across the full lifecycle — from design through deployment to monitoring
• Confident working autonomously as the sole owner of a technical area, making sound decisions and prioritising effectively
• Excellent communication skills, with the ability to explain technical decisions to non-technical stakeholders and clients

Desirable Skills & Experience

• Experience supporting front-end deployments on SaaS hosting platforms such as Vercel
• Familiarity with Kubernetes or other container orchestration
• Experience working in an agency or client-facing environment
• Experience contributing to technical scoping, estimation, or pitches
• Prior experience mentoring engineers or leading technical initiatives

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!