Development
  • # FRONTEND
  • # BACKEND
  • # API
  • # QA

Honestly we sat on rebranding for almost a year because every agency we talked to just wanted to hand us a logo file and disappear. Elysium actually asked why we were called Quper in the first place. That question changed the whole direction.
Ayan Chakraborty, Founder of Quper
Ayan Chakraborty
Founder, Quper
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Custom Development

Custom builds for products that outgrow templates

Full custom frontend and backend builds for products and websites that need more than a website builder can offer — performance, integrations, or scale that templates can't handle.

Custom Development service preview
Built custom products for teams like

Service Overview

Some products need more than a website builder can offer. We build fully custom frontends and backends when your product's requirements — performance, integrations, or scale — call for it.

Our Approach

We treat design and development as one continuous process, not a handoff. The same team that designed the interface stays involved through build and QA, so nothing gets lost in translation.

Our Process

Ideation& Strategy
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We start every project by really getting to know your goals, who your audience is, and what the market looks like.

Wireframe& Prototype
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With some cool insights in hand, team gets together to toss around ideas and come up with fun concepts.

Execution& Deployment
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Once we pick a concept, we dive into the design phase, creating visuals, prototypes, and user experiences.

Release & Support
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Creating awesome, user-friendly websites that fit the brand and business needs. We’ll keep things running ongoing support.

What's Included

You get a production codebase, documentation for your internal team to maintain it, and a QA pass across the browsers and devices your users actually use.

Custom frontend build
A production-grade interface built to your exact spec, not a template's constraints.
Backend and API architecture
A data model and API layer designed around how your product actually works.
Third-party integrations
Payments, auth, CRM, and any other service your product depends on.
QA across devices and browsers
Tested against the environments your actual users are on, not just the happy path.
Performance optimization
Load times and interaction speed tuned for the scale you're building toward.
Codebase documentation
Clear handoff notes so your internal team can maintain and extend it confidently.

Sprint Options

Two sprint paths, depending on how much of your product needs a custom build. Both are one-time project engagements, not monthly retainers.

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Foundational
Framework

A focused custom build for a single flow or feature that's outgrown your current stack.

What's included:
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    1 technical scoping session
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    Custom frontend for one core flow
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    Backend and API work for that flow
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    Core third-party integrations
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    QA pass across major browsers and devices
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    Codebase handoff documentation
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Signature
Foundation

A full custom build across your product, from architecture through launch and QA.

What's included:
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    2 deeper technical and product workshops
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    Full custom frontend and backend build
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    All required third-party integrations
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    Performance and scale optimization
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    Full QA across browsers and devices
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    Full codebase and architecture documentation

Why Elysium

We build products, not just pages.

A custom build is only worth it if it holds up in production and stays maintainable long after we're off the project.

Design and development, one team
The people who designed the interface stay involved through build and QA.
Built for real scale
Architecture decisions made around where your product is headed, not just where it is today.
Clean, maintainable codebase
Documented and structured so your internal team can pick it up without us.
No framework lock-in
We choose the stack that fits your product, not the one we default to.

Tools and Workflow

We pick the stack that fits the product, not the stack we're most comfortable defaulting to.

Frontend
React
Next.js
TypeScript
Tailwind
Backend + Infra
Node.js
PostgreSQL
Supabase
Vercel
Design + Prototyping
Figma
Framer
Collaboration
GitHub
Linear
Slack
Notion

What Usually Comes Next

Custom builds often start with an MVP or a first AI feature. We keep the same team close to whatever comes after.

Questions About Custom Development

CTA Author Image
Shiva Bajpai
Founder & CEO, Elysium
Serving clients worldwide

Ready to collaborate? Tell us what you’re building, we’ll take it from there.