About MastersIndia
MastersIndia is a leading technology company building compliance-focused SaaS products that simplify complex business processes like GST, e-invoicing, and e-way bills. We work at scale, handle mission-critical systems, and believe in strong engineering ownership.
Job DescriptionWe are looking for a Senior Software Engineer (SDE 3) to design, build, and scale modern SaaS products. This role goes beyond feature delivery. You will:
- shape system architecture
- build intelligent product experiences
- leverage AI to improve both product capabilities and developer productivity
- mentor engineers and drive engineering excellence
You will work closely with product, design, data, and platform teams to deliver reliable, scalable, and intuitive solutions.
Key Responsibilities
AI-Enabled Product & System Engineering
- Design and build scalable, maintainable, and high-performance systems
- Own features end-to-end: design → development → deployment → monitoring
- Build intelligent product features using LLMs and AI services
- Develop user experiences & AI-powered workflows such as:
- smart automation, data extraction, conversational interfaces & copilots
- summarization & insights
- anomaly detection & intelligent alerts
- Ensure responsible AI usage, privacy, and reliability
Collaboration & Leadership
- Mentor engineers and raise the technical bar across teams
- Collaborate with product managers and designers to shape solutions
- Lead technical discussions and influence engineering decisions
- Promote a culture of ownership, quality, and continuous improvement
Required Skills & Experience
Core Engineering
- 5+ years of software development experience building modern web applications
- Strong expertise in React & TypeScript and component-driven architecture
- Experience building and scaling production SaaS applications
- Experience with design systems and UI frameworks (Ant Design, Tailwind, MUI, or similar)
- Strong understanding of API integration, asynchronous data handling, and state management
- Solid fundamentals in system design, performance optimization, and browser rendering
- Experience improving application performance, accessibility, and responsiveness
- Familiarity with frontend testing, debugging, and maintainability best practices
AI & Modern Development
- Experience integrating AI/LLM APIs into production systems
- Understanding of prompt design, response handling, and AI reliability patterns
- Experience building AI-powered product features or workflows
- Familiarity with AI-assisted developer tools and workflows
Scalability & Reliability
- Experience designing high-availability and fault-tolerant systems
- Observability: logging, monitoring, tracing
- Performance optimization and debugging production issues
Good to Have
- Experience with event-driven architectures and streaming systems
- Knowledge of search, analytics, or data pipelines
- Experience designing multi-tenant SaaS architectures
- Security & compliance best practices for enterprise software
- Experience with usage-based billing, audit trails, or compliance systems
Skills Required
- 5+ years of software development experience building modern web applications
- Strong expertise in React & TypeScript and component-driven architecture
- Experience building and scaling production SaaS applications
- Experience with design systems and UI frameworks
- Strong understanding of API integration, asynchronous data handling, and state management
- Experience integrating AI/LLM APIs into production systems
- Experience designing high-availability and fault-tolerant systems
What We Do
Masters India is a GST Suvidha Provider (GSP) appointed by Goods and Services Tax Network (GSTN), a Government of India enterprise. Our mission is to build intuitive software solutions for complex problems faced by businesses across the globe. We are fulfilling our mission by offering tax and financial automation products to enterprises. Most enterprises today use an ERP designed to turbocharge their business, yet, compliance work is still done manually on spreadsheets and through government portal, which fails to meet the most demanding requirements of a modern enterprise. We, therefore, offer advance compliance automation solutions to enterprises that reduce their compliance work, increase work accuracy and improve ease of doing. We have already successfully processed 6 million plus sales invoices, 2 million plus e-way bills and have helped file billions in taxes
