Product Strategy • Architecture • Engineering
Turn a business problem into a product worth building.
AppArchiTech helps B2B SaaS founders decide what to build, define how it should work, and move from an early idea to a working product—with the architecture and product judgment to support what comes next.
Work directly with a Product Architect and Fractional CPO who connects customer needs, business priorities, and technical execution.
Timing & Signals
Your next product decision has consequences. Make it with clarity.
You may know the problem you want to solve. You may already have a product. The challenge is choosing the right next move and turning it into work your business can stand behind.
You see an opportunity, but the product is still taking shape.
Identify the customer, clarify the problem, and define a focused product direction before committing to development.
Your MVP scope keeps growing.
Separate what the first release needs to prove from what can wait. Give development a clear purpose and an achievable scope.
You need a technical partner who understands the business.
Connect architecture and engineering decisions to your users, budget, operating model, and growth plans.
Your product is live, but progress is harder to explain.
Use customer behavior, product performance, and technical evidence to decide what to improve next.
Core Capabilities
Support for the decision in front of you.
01
Product Strategy
Define the opportunity, understand your buyers, and set a direction that connects customer value to a viable business.
02
MVP & Architecture
Turn product direction into a focused release plan, clear requirements, and a technical foundation suited to your stage.
03
Product Engineering
Build the agreed product through clear specifications, disciplined testing, and regular reviews of working software.
04
AI & Agents
Identify where AI can improve a real workflow, then define the controls, evaluation, and integration needed to make it useful.
05
Product Scaling
Find the product and technical constraints holding you back. Prioritize improvements to adoption, reliability, and growth readiness.
Methodology
Keep the business problem connected to the product being built.
Product decisions lose value when their reasoning disappears between a strategy document and a development backlog.
At AppArchiTech, customer needs inform the scope. The scope informs the architecture. Clear specifications guide implementation. Testing and product signals show whether the work is doing what it should.
That connection gives you a practical way to review progress, question assumptions, and make changes with a clear understanding of the impact.
Engagement Models
Start with the level of support you need.
Product Decision Sprint
Resolve a defined question: which customer to prioritize, what belongs in the MVP, whether an AI use case is viable, or what is blocking progress. Leave with a recommendation and an actionable next step.
Product Planning & Build
Move a defined opportunity through requirements, architecture, and implementation. Agree on the scope, milestones, deliverables, and review points before the work begins.
Fractional Product Leadership
Bring ongoing product judgment into roadmap decisions, prioritization, delivery reviews, and coordination with your engineering team.
Founder-Led Advisory
Business context. Technical depth. Direct involvement.
I’m Krishnarup Banerjee, Founder of AppArchiTech, Product Architect, and Fractional CPO.
My background spans cloud solution architecture, software development, Marketing and B2B consulting. I bring those perspectives together to help founders make decisions that hold up in customer conversations, product planning, and implementation.
You work directly with me, with clear ownership of the agreed work and its next steps.
Thinking & Perspective
Better questions lead to stronger products.
Explore practical thinking on product strategy, MVP decisions, AI, architecture, and growth. In CTO’s Room, go deeper into the technical choices that shape product cost, reliability, and future flexibility.
What does your product need next?
Bring the idea, the roadmap, or the decision you’re stuck on. Let’s identify where focused product and technical support could help.