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 delivered end to end.

Work arrangement
No