Principal Software Engineer – SaaS Architecture

Location: Bangalore, India

Experience: 6–10 years

Employment Type: Full-time

About the role:

We are looking for a hands-on Senior Technical Lead with proven experience in building and scaling enterprise-grade SaaS products from the ground up .

The ideal candidate should have strong technical expertise, experience designing scalable multi-tenant platforms, and the ability to lead a team while remaining actively involved in development. You will be responsible for making key architectural decisions, establishing engineering best practices, and delivering reliable, secure, and high-performance products.

Key Responsibilities

• Lead the architecture, development, and delivery of enterprise-grade SaaS platforms.
• Design scalable, secure, and highly available systems capable of supporting multiple customers and growing workloads.
• Build robust multi-tenant architectures, authentication and authorization systems, and role-based access controls.
• Lead backend development, API design, database architecture, and third-party integrations.
• Establish engineering standards covering code quality, testing, deployment, and documentation.
• Lead and mentor developers, conduct code reviews, and ensure high-quality delivery.
• Make critical technical decisions around architecture, infrastructure, performance, and scalability.
• mplement CI/CD pipelines, monitoring, logging, and production incident management.
• Ensure enterprise-level security, data isolation, reliability, and application performance.
• Collaborate with founders and business stakeholders to translate business requirements into technical solutions.
• Take ownership of technical planning, effort estimation, project execution, and delivery timelines.
• Troubleshoot complex technical challenges and continuously improve system performance and reliability.

Required Technical Skills

• 6–10 years of hands-on software development experience.
• Demonstrated experience building and launching enterprise-grade SaaS products from scratch.
• Strong proficiency in Python and frameworks such as FastAPI or Django.
• Strong knowledge of system design, distributed systems, and scalable application architecture.
• Hands-on experience designing multi-tenant SaaS applications.
• Strong understanding of REST APIs, microservices, event-driven architecture, and asynchronous processing.
• Experience with PostgreSQL, Redis, caching, and database optimization.
• Experience with AWS, Azure, or Google Cloud.
• Hands-on experience with Docker, CI/CD, infrastructure automation, and production deployments.
• Understanding of application security, data isolation, authentication, authorization, and enterprise access controls.
• Experience implementing monitoring, logging, backups, and disaster recovery practices.
• Familiarity with React, Next.js, or other modern frontend technologies.

Preferred Qualifications

• Experience taking a SaaS product from MVP to a production-ready, commercially scalable platform.
• Experience supporting enterprise customers with complex workflows, integrations, and access requirements.
• Experience designing subscription management, usage metering, billing, and customer administration features.
• Experience improving performance and reliability as customer volumes grow.
• Experience working in startups or product-led organizations.
• Experience leading a small engineering team in a fast-paced environment.

What We Are Looking For

• A hands-on technical leader who can make architecture decisions and write production-quality code.
• Someone who has personally contributed to building a SaaS product from the ground up , rather than only maintaining existing applications.
• An engineer who understands the difference between a basic application and an enterprise-ready product.
• Someone who balances speed of execution with security, scalability, maintainability, and reliability.
• A leader who takes ownership of engineering quality and end-to-end delivery.

Application Requirements

Candidates should share their resume and provide details of:

• Enterprise-grade SaaS products they have built or helped launch.
• Their specific contribution to architecture, development, deployment, and scaling.
• Experience with multi-tenant architecture and enterprise security.
• The scale of products they have worked on, including customer volumes or system workloads where possible.
• Teams they have led and projects they have del…