RAG vs Fine-Tuning: Choosing the Right LLM Approach for Your Product
Both RAG and fine-tuning improve LLM performance on your specific use case — but they solve different problems. Here's how to choose.
Full-Cycle Dev$20K – $60K
Full-Cycle Software Development
Spec to shipped. One team, no gaps.
10–16w
Typical timeline
100%
Clean codebase handover
$0
Vendor lock-in
2-week
Sprint demos included
THE CHALLENGE
Sound familiar?
- You need a full product built but can't yet afford a complete engineering team
- Previous contractors delivered code nobody can maintain or extend
- Architecture choices are creating tech debt before you've even launched
- No one is making technical decisions — only executing tasks
- Deliverables keep slipping because no single team owns the full stack
OUR APPROACH
How we solve it
We act as your embedded technical team. We own the architecture, write the code, set up infrastructure, and ship a production-ready product — with documentation and processes that let you hand it to an internal team cleanly when the time comes.
What you receive
- System architecture document with tech stack rationale
- Full-stack codebase — frontend, backend, API layer
- Database schema and migration scripts
- CI/CD pipeline with automated testing and deployment
- Infrastructure-as-code (Terraform or CDK)
- Test coverage: unit, integration, and end-to-end
- Deployment to AWS, GCP, or Azure
- Handover documentation and runbooks
OUTCOMES
What you walk away with
01
Working product in production — not stuck in staging
02
Clean, documented code a future hire can own from day one
03
No vendor lock-in — you own every line of the codebase
04
Technical decisions made with long-term scalability in mind
05
A reference architecture for your next round of features
OUR DIFFERENCE
Why Full-Cycle Dev from Virinchi
Architecture ownership
We take full responsibility for technical decisions — not just task execution. Your codebase is built with long-term maintainability in mind.
Full IP ownership
All code, documentation, and infrastructure scripts are transferred to you at delivery. No licensing, no lock-in.
Domain-specific expertise
We've built software for FinTech, HealthTech, eCommerce, and Industrial clients across four markets. We know your sector's constraints.
USE CASES
Real-world applications
Greenfield Product Builds
Architecture, build, and launch of new digital products from a spec to production in structured sprints.
Platform Modernization
Systematic re-engineering of legacy systems to modern, scalable architectures without business disruption.
Scaling Engineering Teams
Embedded engineering teams that extend your existing capacity with senior developers who ship.
HOW IT WORKS
Our delivery process
01
Architecture Sprint
Define system design, data models, and API contracts before writing a line of code.
02
Foundation Build
Core backend, auth, database, and API scaffold — the foundation everything else builds on.
03
Feature Development
Iterative delivery in 2-week sprints with weekly demos and client sign-off at each milestone.
04
Quality & Testing
Test coverage, security review, performance testing, and pre-launch hardening.
05
Deploy & Handover
Production deployment, full documentation, and team knowledge transfer.
Is this right for you?
Best suited for
- Pre-launch startups that need a full product built end-to-end
- Founders with a product vision but no technical co-founder
- Teams whose previous vendor left them with unmaintainable code
- Startups preparing for a Series A who need a clean technical foundation
Not the right fit for
- Companies with an existing engineering team that only needs augmentation
- Projects under $15K in scope
- Teams that want to micromanage every technical decision in real time
Engineering Stack
Built with the tools that matter
38 production-grade technologies — every one battle-tested in shipped products.
INVESTMENT
Engagement & pricing
$20K – $60K
10–16 weeks
- Milestone-based payments aligned to delivery checkpoints
- Weekly demos — visible progress every sprint, not just at delivery
- Fixed-price engagements available for well-scoped projects
Ready to start?
Get a detailed proposal within 48 hours. No commitment required.
Frequently Asked Questions
Didn't find what you were searching for? Reach out to us at [email protected] and we'll assist you promptly.
We take responsibility for outcomes, not hours. Our teams are structured around delivery — architecture, implementation, QA, and deployment — not individual contractor placement.
We work across Python, Node.js, Go, React, Next.js, React Native, AWS, GCP, and Azure. Stack decisions are driven by your requirements, not our preferences.
Payments are tied to agreed deliverables — architecture review, foundation build, feature milestones, and final delivery. You pay for work completed, not time spent.
FROM OUR CLIENTS
Built with teams who ship
The team took our AI concept from whiteboard to production in 10 weeks. The architecture they designed handles 10x our expected load with no issues.
Insights
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A collection of detailed case studies showcasing our design process, problem-solving approach,and the impact of our user-focused solutions.
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READY TO START?