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Custom Software Development

Bespoke SaaS platforms, ERP & CRM systems, REST and GraphQL APIs — engineered in Node.js, Python, PHP and .NET for scale, security and longevity.

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Custom Development
Overview

Software Built For Your Business

When off-the-shelf SaaS won't fit, custom software wins. EDDSS designs and builds production-grade web applications, internal tools, integrations and APIs that match your business model exactly.

From product discovery to architecture, build, test and ongoing support — we own the full software lifecycle and write code your team can maintain long after launch.

120+Apps Delivered
MultiStack Experts
SecureBy Default
80%+Test Coverage
What We Offer

Custom Development Capabilities

SaaS Platforms

Multi-tenant SaaS with billing, RBAC and admin tooling.

ERP & CRM Systems

Bespoke ERP/CRM tailored to your operations and workflows.

REST & GraphQL APIs

Versioned, documented APIs with auth, rate limits and SDKs.

System Integrations

Connect ERPs, CRMs, payments and 3rd-party services.

Data & Reporting

ETL pipelines, data warehouses and analytics dashboards.

Legacy Modernization

Re-platform monoliths into modern, maintainable stacks.

Benefits
Why It Matters

Benefits of Our Custom Development

  • Exact Business Fit

    Software that matches your workflow — not the other way around.

  • Built to Scale

    Architecture ready for 10x users without rewrites.

  • Security First

    OWASP-aligned, code-reviewed, pen-test ready.

  • You Own The Code

    Full IP transfer, clean docs, no vendor lock-in.

How We Work

Our Process

01
Discovery

Goals, constraints and success metrics.

02
Design & Plan

Architecture, roadmap and milestones.

03
Build & Ship

Iterative delivery with weekly reviews.

04
Support & Grow

Optimization, support and scaling.

Tech Stack

Technologies & Tools

Node.js
Python
PHP / Laravel
.NET / C#
React / Next.js
Postgres / Mongo
Pricing

Flexible Plans

Transparent pricing tailored to your project. Custom quotes available.

Discovery

Scope & validate

$1,499/project
  • 2-week discovery sprint
  • Product requirements doc
  • Architecture proposal
  • Tech stack recommendation
  • Effort & cost estimate
  • Production build
  • Ongoing support
Choose Discovery
Most Popular
Build

Ship production v1

$14,999/project
  • Everything in Discovery
  • Full design & development
  • REST/GraphQL API
  • Auth + RBAC
  • Cloud deployment + CI/CD
  • 3 months support
Choose Build
Enterprise

Long-term product partner

Custom
  • Multi-team product squad
  • Dedicated PM + architect
  • Compliance (SOC2, HIPAA)
  • 24/7 SLA support
  • Continuous delivery
  • Quarterly roadmap reviews
Contact Sales
FAQ

Common Questions

Depends on the workload. Node.js + React for real-time / modern web. Python + Django for data-heavy / AI products. PHP / Laravel for fast CMS-style builds. .NET / C# for enterprise integrations. We pick what fits, not what's trendy.

Yes — full IP transfer with every project. You get the repository, infrastructure-as-code, documentation and clean handoff. Zero vendor lock-in.

Yes. We frequently rescue stalled projects: code audit, dependency cleanup, test backfill, then continued delivery against your roadmap.
Client Voices

What Clients Say

They rebuilt our 10-year-old PHP monolith into a modern Node + React platform with zero downtime. Game changing.

VB
Vikram Bose
CTO, OrionPay

Architecturally sharp engineers who actually write tests. Our SaaS is twice as reliable since they took over.

MO
Marta Oliveira
Head of Engineering, Studielo

Built our ERP integration layer in 6 weeks. Clean code, full docs, no surprises.

RD
Rajesh Dutta
Operations Director, Apex Logistics
Get Started

Request a Free Project Consultation

Tell us about the software you need and we'll respond with a tailored proposal within one business day.

+1 646 355 3504

info@eddss.com

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