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 If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Thank you for your interest in Quantiphi! We are a team that dreams together and collaborates to ensure success. We are currently looking for exceptional individuals who can join us and contribute to a fun, diverse and hybrid work culture. As a part of the Quantiphi family, you will get ample opportunities to learn, grow and interact with colleagues from varied experience and backgrounds around the globe. If this excites you, explore our current openings and apply to any job roles that suit and interest you. Quantiphi is an award-winning AI-first digital engineering company driven by the desire to reimagine and realize transformational opportunities at the heart of business. We solve the toughest and most complex business problems with the latest and cutting-edge technologies and to make this happen, we have a vibrant, diverse and talented set of professionals we proudly refer to as the Quantiphi family. Our culture is built on transparency, diversity, integrity, learning and growth. We are committed to provide our teams with an environment that helps them to learn, grow and flourish in their professional as well as personal lives.