Senior Software Developer - Python And PHP GCP

Quantiphi; Bengaluru; On-site; INR 2,600,000 - 4,200,000; Full time

Job summary

Quantiphi, a leader in AI-powered software, seeks a Senior Software Developer in Mumbai/Bangalore. You will own backend architecture, set engineering standards, and drive secure, scalable deployments across cloud platforms.

Collaborate with frontend teams on headless architectures and integrate with Contentful CMS. You will design REST/GraphQL APIs, implement SSO (OAuth 2/OpenID Connect/SAML), and guide infra choices while mentoring engineers.

Qualifications

• Proven senior-level experience as a backend developer with Python and PHP.
• Hands-on cloud experience (GCP/AWS/Azure), preferably GCP.
• Docker and containerised deployment; CI/CD and modern DevOps practices.

Responsibilities

• Own backend and infrastructure architecture; document key technical decisions.
• Define and maintain engineering standards for backend, infra, security, and deployment.
• Lead technical discussions with leadership on approach, risk, effort, and cost for new projects.
• Design and own authentication and SSO integrations (OAuth2, OpenID Connect, SAML).

Skills

Python

PHP

Cloud platforms

Docker

CI/CD

APIs (REST/GraphQL)

SSO/OAuth/OIDC/SAML

Contentful

Terraform/CloudFormation

Security best practices

Databases

Tools

Docker

Terraform

CloudFormation

Contentful

Vercel

Kubernetes

Job description

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

KEY RESPONSIBILITIES

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!