SaaS & Startups
From idea to launched product, with a team that has shipped before.
Product engineering, AI features and cloud foundations for SaaS companies and startups, from first MVP to scale. Delivery runs on the Agentic SDLC, so you get more working software, sooner.
- Idea to MVP in ~12 weeks
- Product + engineering
- AI-native delivery
Free 30-minute call with a senior specialist. Reply within one business day. Based in Jaipur, working with businesses across India.
- Discovery callFree 30 minutes with a senior specialist
- Scoped first phaseWritten scope, timeline and fixed price
- Build with weekly demosWorking software you can see every week
- Launch and supportGo-live with your team ready, then ongoing support
How do startups build an MVP with Stack18?
Stack18 helps startups go from idea to launched product through a fixed-price discovery sprint, a scoped MVP build with weekly demos, and a cloud foundation ready to scale. Delivery runs on the Agentic SDLC, so AI agents handle repetitive engineering work while senior people review. Founders who want a co-builder can apply to Stack Ventures.
You need better systems when…
Tap the ones that apply to you.
SaaS & Startups systems, end to end.
Each capability is delivered by the same team on the Agentic SDLC, with your approval at every critical step.
Discovery and product definition
Turn an idea into a scoped, testable MVP plan.
- Discovery sprint
- Smallest valuable scope
- Clickable prototype
MVP and SaaS engineering
Multi-tenant SaaS foundations, billing and admin built to grow.
- Web and mobile apps
- Subscriptions and billing
- Admin and analytics
AI features and agents
Add AI where it earns its place, with evaluation and guardrails.
- AI assistants and copilots
- Workflow agents
- Evaluation and monitoring
Cloud, security and scale
Release pipelines and infrastructure that stay reliable as you grow.
- CI/CD and environments
- Observability and cost control
- Security basics from day one
A typical SaaS & Startups engagement, step by step.
Senior people lead every phase. Specialised AI agents on the Agentic SDLC handle the repetitive work, and nothing ships without your approval.
Discover
Two-week discovery sprint to define the MVP.
Design
Architecture, UX and delivery plan.
Build
MVP built in weekly releases and demos.
Launch
Release, monitoring and early-user support.
Start small. Scale when it works.
Every engagement begins with a short, fixed-price step so you can judge the fit before committing further. See pricing.
Discovery Sprint
Teams deciding what to build first.
- Duration
- 2 weeks
- Pricing
- Fixed price
- Scoped plan and timeline
- Team and fixed price
- Process map or prototype
MVP Build
Founders ready to turn a scoped idea into a product.
- Duration
- About 12 weeks
- Pricing
- Fixed price
- Weekly demos
- Web and mobile apps
- Cloud and analytics
Transformation Pod
Multi-year programmes across the business.
- Duration
- 12–36 months
- Pricing
- Annual contract
- Dedicated cross-functional team
- Quarterly business reviews
- One accountable partner
Where SaaS & Startups teams see the biggest difference.
For a real startup build, read how we took a student wellness app from scope to both app stores in three months.
VC-backed wellness startup
- Challenge
- Launch a student-facing app on a venture-backed clock.
- What we do
- Scoped the MVP and shipped one app to Android and iOS together.
3 months
B2B SaaS startup
- Challenge
- A prototype that cannot yet serve paying customers.
- What we do
- Multi-tenant SaaS foundation with billing and analytics.
12 weeks
We agree targets before we start.
Every engagement has a baseline and a target on the measures that matter to you, reported at every read-out.
SaaS & Startups questions.
What if we only have an idea?
Start with a two-week, fixed-price discovery sprint. You leave with a scoped MVP, a prototype and a plan, and decide on the build afterwards.
Can you work alongside our existing team?
Yes. We can run as a dedicated product pod or extend your team on specific parts of the roadmap.
Can you build AI features into our product?
Yes. We build AI assistants and agents with evaluation, guardrails and monitoring so they are safe to ship.
What is Stack Ventures?
Stack Ventures is our venture studio for AI-native founders. It targets idea to MVP in about 12 weeks. You can apply at any time of year.
Do you build software for SaaS & Startups businesses in Jaipur and across India?
Yes. Stack18 is headquartered in Jaipur, Rajasthan, and works with SaaS & Startups businesses across India. You get a free 30-minute call, a fixed-price first step and working software every week, so the engagement works the same whether you are in Jaipur or elsewhere.
Often combined with.
Extend them with saas product development, AI Product Development, Cloud & DevOps and mobile app development. Browse all industries and all Stack18 services.
SaaS Product Development
Take a SaaS product from first idea to paying customers.
Explore →AI TransformationAI Product Development
Build AI-powered products and agents people trust.
Explore →ModernizationCloud & DevOps
Cloud foundations, release pipelines and reliable operations.
Explore →Product EngineeringMobile App Development
Android and iOS apps with offline mode, UPI, WhatsApp and push built in.
Explore →Let's scope your SaaS & Startups project.
Tell us where you are and where you want to be. A senior specialist will reply within one business day with next steps.
- Free 30-minute consultation
- Indicative estimate after the call
- NDA available on request