Senior Software Developer - Python & PHP (GCP)

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