Custom Software Development Services for Enterprises and Growth-Stage Teams

Whether you need a custom SaaS platform built from scratch, an enterprise software modernization, an AI-powered product layer on top of existing systems, or a dedicated offshore team that ships in your time zone, we have shipped that pattern before. We have shipped 3,000-plus production projects since 2011. Our clients are founders, CTOs, and VPs of Engineering at SaaS, fintech, healthcare, retail, and enterprise firms. Our 250-plus in-house engineers cover the full software lifecycle. That includes product discovery, design, build, cloud deployment, and ongoing platform engineering.

Trusted by Startups, ISVs, and Fortune 500 Teams Since 2011

Custom Software Development Services We Deliver

Most software briefs we receive fall into one of seven patterns. Each pattern needs a different team mix, a different architecture, and a different release cadence.

Custom SaaS Product Development

Multi-tenant SaaS platforms built on modern stacks. Common picks are Node.js, Python, Go, and Ruby on Rails. We handle the architecture, the auth layer, the billing integration, the admin panel, and the customer-facing app. Live for clients in HR tech, fintech, edtech, and vertical SaaS. Typical build runs 16 to 28 weeks for an MVP. Add 6 to 12 months of post-launch product engineering.

Enterprise Software Modernization

Legacy system rebuilds. We take an old .NET, Java, or PHP monolith and migrate it to a modern microservices or cloud-native setup. Phased delivery so the business keeps running during the migration. Common patterns include monolith-to-microservices, on-prem to cloud, single-tenant to multi-tenant, and mainframe to API-first.

AI-Powered Product Layers

Adding AI features to existing software. Examples include RAG chatbots over your docs, predictive analytics dashboards, computer vision for retail or manufacturing, and AI agents that automate workflows. Built with GPT-5, Claude 4.6, Gemini 2.5, or self-hosted open-source models depending on your data privacy needs. See our AI and ML Development, AI Agent Development, and RAG Development pages for the deeper AI stack.

Custom Mobile and Web Application Development

Native iOS and Android apps. Cross-platform builds in React Native and Flutter. Progressive web apps with offline-first patterns. We handle the full mobile lifecycle from design through App Store and Play Store submission. Web app builds run on React, Next.js, Vue, and Angular front-ends. Back-ends use Node.js, Django, FastAPI, Laravel, and Spring Boot.

API and Integration Development

REST and GraphQL APIs that scale. Custom integration layers that connect your software to Salesforce, HubSpot, NetSuite, SAP, Workday, and 100-plus other enterprise systems. Webhook-driven event architectures. API gateway setup with rate limiting, auth, and observability built in.

Bespoke Software for Regulated Industries

HIPAA-aware healthcare software. PCI DSS payment platforms. GDPR-ready EU apps. DPDP Act-compliant Indian fintech. We build with the audit trail, the data residency, and the documentation that regulators expect. Reviewed and signed off by your compliance team before code ships.

Software Development Outsourcing (Dedicated Teams)

If you want a dedicated offshore engineering team that runs as an extension of your in-house staff, we set that up. Two to ten engineers per team. Your tech lead manages day-to-day. We handle hiring, retention, payroll, and infrastructure. Average team tenure with us is 2.5 years per engineer, so context stays with the team.

How We Engineer Production Software Systems

Every software project we ship runs through the same four steps. The names change. The steps do not.

Problem discovery

Discovery and Scoping (1 to 3 weeks)

We map your business problem, your user personas, your data model, your integration needs, and your compliance constraints. The output is a written scoping doc. It includes a recommended architecture, a phased delivery plan, a timeline, and a budget. You see the scoping doc before you sign any commercial agreement.

software architecture and design

Architecture and Sprint Zero (2 to 4 weeks)

We design the system architecture. We set up the CI/CD pipeline. We configure your cloud accounts on AWS, GCP, or Azure. We ship the first deployable shell. Auth, logging, and monitoring are live by end of sprint zero. The team is sized and assigned. Daily standups start in your time zone.

Iterative Build (8 to 36 weeks)

Two-week sprints. You see a working demo every two weeks. We follow agile practices. That means pair programming on hard problems, code reviews on every pull request, and test coverage targets per sprint. Production deployments at the end of each sprint or behind feature flags, depending on your release pattern.

Launch, Operate, and Improve (Ongoing)

We launch to a small user group first, then scale. We watch the metrics weekly for the first three months. We fix bugs and ship feature requests in the same sprint cadence. Most clients keep us on as a dedicated team for 12 to 24 months after the initial ship.

  • Real Production Work, Not Demos

    We have shipped 3,000-plus production software projects since 2011. Our team has handled the hard parts. That includes high-traffic SaaS scaling, financial reconciliation under audit, healthcare data privacy, multi-region failover, payment fraud edge cases, and regulatory change events. Demo-stage builds are easy. Production builds at scale are not.

  • In-House Senior Talent, Not Marketplace Contractors

    Our 250-plus engineers are full-time ScalaCode employees, not freelancers stitched together. Average platform tenure is 7 years. We hire from the top 5 percent of Indian engineering talent. We pay above market rates so people stay. This means context stays inside the team across multi-year engagements.

  • Time-Zone Overlap That Works for You

    We work in your time zone with overlap windows of 4 to 6 hours every working day. We cover US, UK, EU, AU, Middle East, Singapore, and ASEAN windows. Daily standups, weekly demos, and sprint planning sit in your calendar. Most clients say it feels like an in-house team.

  • Compliance-Ready Delivery

    SOC 2 Type II and ISO 27001 aligned delivery process. GDPR, HIPAA, PCI DSS, and DPDP Act ready for clients in regulated sectors. We sign NDAs and DPAs before the first scoping call. We can deploy in your cloud account if you need full data residency control.

  • Predictable Pricing Across All Engagement Models

    Our rate card is public and clear. Hourly rates run 13 to 25 US dollars per hour by seniority. Dedicated-team monthly rates run 1,200 to 4,000 US dollars per engineer. Fixed-scope project pricing is quoted after the discovery sprint, never as a surprise. We have not raised rates more than 5 percent year-over-year since 2018.

Industries Where We've Shipped Custom Software

Engagement Models for Software Development

Fixed-Scope Project

You have a clear brief, a fixed timeline, and a fixed budget. We agree the scope, the price, and the milestones up front. Best for first-time builds where you want budget certainty. Also good for clearly defined modules within a larger program. Typical project size: 50,000 to 500,000 US dollars depending on scope.

Dedicated Development Team

You need an offshore engineering team that stays with you for 6 to 36 months. We assign 2 to 10 engineers who report into your tech lead. Roles include architect, senior, mid, junior, QA, and DevOps. Monthly billing with one-month notice to scale up or down. Typical monthly cost: 8,000 to 60,000 US dollars depending on team size and seniority mix.

Hourly Staff Augmentation

You need 1 to 5 engineers for a fixed number of hours a week. Best for short-term help or specialist skills. An example is a senior Kubernetes engineer for a migration project. Also good to fill a gap on your in-house team. Hourly rates run 13 to 25 US dollars per hour by seniority. Minimum engagement: 40 hours per week per engineer for at least 4 weeks.

Real-World Solutions Delivered

Custom Software Development Tech Stack

Front-End (Web)

React Next.js Vue Angular Svelte TypeScript

Front-End (Mobile)

Swift Kotlin React Native Flutter

Back-End

Node.js Python Django FastAPI Java Spring Boot Go Ruby on Rails .NET PHP (Laravel)

AI and ML Layer

GPT-5 Claude 4.6 Gemini 2.5 Llama 3.3 Qwen 2.5 Mistral Large vLLM NVIDIA NIM Triton LangChain LlamaIndex OpenAI Agents SDK Claude Agent SDK

Databases

PostgreSQL MySQL MongoDB DynamoDB Redis Elasticsearch ClickHouse

Cloud and Infrastructure

AWS GCP Azure

DevOps and CI/CD

GitHub Actions GitLab CI Jenkins Docker Kubernetes Terraform Pulumi Argo CD Flux

Observability

Datadog New Relic Grafana Prometheus Sentry OpenTelemetry

Auth and Identity

Auth0 Okta AWS Cognito Keycloak Custom OAuth OIDC setups

Payments and Billing

Stripe Razorpay Adyen Braintree Custom payment integrations

How ScalaCode Compares to Your Other Options

ScalaCode vs. In-House Build

In-house is right when you have senior engineering leaders who can hire and manage end-to-end. The downside is hiring time: 3 to 9 months per senior role in the US, UK, and EU markets. ScalaCode delivers the same seniority in 2 weeks at 30 to 50 percent of fully-loaded cost.

ScalaCode vs. Freelance Marketplaces (Toptal, Upwork)

Freelance marketplaces are right for quick prototypes and single-feature builds where continuity does not matter. The downside is no accountability on production issues, no team continuity, and no compliance support. ScalaCode keeps the same engineers on your account for years.

ScalaCode vs. Big-4 Consultancies (Accenture, Deloitte, IBM)

Big-4 are right when you need name-recognition consulting for board reporting. The downside is 3 to 5 times higher hourly rate, slower ship cycles, and junior engineers doing most of the actual building. ScalaCode delivers the same outcome with senior engineers and faster decision cycles.

ScalaCode vs. Other Indian Offshore Agencies (Infosys, TCS, Wipro tier-2)

The large Indian agencies are right for enterprises that need very large engineering pools (500-plus engineers). The downside is less senior on average, account managers sitting between you and engineers, and slower onboarding. ScalaCode is purpose-built for 2 to 25 engineer teams that work directly with your tech lead.

Software Development Rate Card

Hourly Rates by Seniority

  • Associate Engineer

    2 to 4 years experience

    $13 - 15/hr

  • Mid-level Engineer

    4 to 6 years

    $15 - $18/hr

  • Senior Engineer

    6 to 9 years

    $18 - $20/hr

  • Lead and Architect

    9-plus years

    $23 - $25/hr

Monthly Dedicated-Team Rates

  • Associate

    $1,200 - $1,500/month

  • Mid-level

    $1,800 - $2,400/month

  • Senior

    $2,400 - $3,000/month

  • Lead and Architect

    $3,200 - $4,000/month

  • Quoted as a blended team rate after the discovery sprint based on seniority mix.

Project-Based Pricing

  • Project pricing is quoted after the discovery sprint on a per-build basis.

  • Most production-grade custom software builds land between 50,000 and 500,000 US dollars for the initial ship, depending on scope, integration depth, and compliance load.

  • Get a Quote

What Clients Say

Frequently Asked Questions

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