Senior Software Developer - Python & PHP (GCP)

Quantiphi Analytics Solutions Private Limited; Mumbai; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Quantiphi Analytics Solutions Private Limited is seeking a Senior Software Developer to own backend and infrastructure architecture in Mumbai/Bangalore. You will define engineering standards, guide leadership on technical approaches, and collaborate with frontend teams on headless architecture, including Contentful.

The role requires senior-level experience with Python and PHP, strong cloud, Docker, CI/CD, and API design skills.

Qualifications

• Must have senior-level experience as a backend developer with Python and PHP
• Cloud provider experience (GCP, AWS, or Azure), preferably GCP
• Hands-on with Docker and containerised deployments
• Strong understanding of CI/CD and modern DevOps practices
• Experience with Infrastructure-as-Code tools (Terraform, CloudFormation)
• Experience designing and integrating REST and GraphQL APIs
• Experience implementing SSO using OAuth 2, OpenID Connect, and SAML
• Experience with Contentful or headless CMS integrations
• Ability to work across full lifecycle from design to deployment and monitoring
• Excellent communication to explain technical decisions to non-technical stakeholders

Responsibilities

• Own backend and infrastructure architecture and document key decisions
• Define and maintain engineering standards for backend, infra, security and deployment
• Advise leadership on technical approach, risks, effort, and cost
• Evaluate tools and third-party partners for projects
• Share knowledge with engineering teams and support frontend developers
• Design, build, and maintain backend services and APIs using Python and PHP
• Write clean, tested code and establish review practices
• Optimize performance, reliability, and security
• Design and integrate REST and GraphQL APIs
• Work with frontend teams on headless architecture and Contentful integrations
• Design and own auth and SSO integrations (OAuth 2, OIDC, SAML) with Entra ID
• Lead database design and query optimization
• Design, deploy and maintain GCP-based cloud infra
• Build and manage Docker-based environments
• Support deployments on Vercel and other SaaS hosting
• Maintain CI/CD pipelines and incident response processes
• Implement infra-as-code and cloud cost/performance optimization
• Maintain clear runbooks and documentation

Skills

Python

PHP

GCP

Docker

CI/CD

REST APIs

GraphQL

OAuth 2

OpenID Connect

SAML

Contentful

Kubernetes

Cloud security

SQL/NoSQL

Tools

Terraform

CloudFormation

Contentful

Vercel

Kubernetes

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

• 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