5 Star rating from Clutch verified reviews

Custom Software Development for Growing Businesses

Production-grade custom platforms, SaaS products, internal tools, and integrations from our NYC engineering team. Built to your spec, scoped before code.

No commitment requiredResponse within 24 hours

8000+
Projects
Delivered for clients nationwide
3000+
Clients
Nationwide across the USA
200+
Engineers
Senior, vetted, full-time
5.0
Clutch Rating
From verified client reviews
Where Teams Get Stuck

The Problem We Solve

What we hear when off-the-shelf software forces the business to bend to the tool instead of the other way around.

The Problem

Off-the-shelf software forces your business to adapt to someone else's workflow. You're paying for features no one uses, while the workflow your team actually runs lives in spreadsheets, email threads, and three SaaS tabs no one bothered to integrate. The vendor roadmap covers what their other customers asked for, not the rule your operations team works around every day.

Our Solution

We build software scoped to the workflow your team actually runs, integrated with the systems they already use, and structured to grow with the business instead of fighting it. The engagement opens with a scoping sprint that produces a fixed number, a written scope, and an architecture decision record before any code is written. From there it's two-week sprints with working demos.

What We Build

Custom Software Development Capabilities

Custom platforms, SaaS products, internal tools, and enterprise integrations built from a fixed scope and an architecture decision record.

Web Application Development

Full-stack web apps in React, Next.js, Angular, or Vue on the front, Node.js, Python, Go, or .NET on the back. Production-grade auth, role-based access, audit logging, and observability included from the first sprint, not bolted on before a security review.

Enterprise Systems Integration

Custom middleware, API gateways, and integration layers connecting Salesforce, HubSpot, SAP, NetSuite, Workday, and your internal databases. We build for the messy cases (rate limits, partial failures, retry semantics) that integration vendors hand-wave past.

Legacy Modernization

Strangler-fig migrations from monoliths or mainframes to modern services without a 12-month outage window. We modernize the part of the system that's blocking the business first, leave the parts that aren't broken alone, and pay down debt deliberately rather than by full rewrite.

SaaS Platform Development

Multi-tenant platforms with row-level isolation, subscription billing through Stripe or Chargebee, SSO via SAML/OIDC, audit logs, usage analytics, and the admin tooling your CS team needs to actually support customers without engineering escalation.

API Development & Integration

REST and GraphQL APIs designed against an OpenAPI or SDL spec your clients sign off on before implementation. Versioning policy, pagination conventions, error response shape, and rate limit semantics defined up front instead of fought over in production.

Database & Data Architecture

Schema design and query patterns tuned for your read/write mix, with explicit decisions about Postgres vs. MySQL vs. distributed stores. Read replicas, partitioning, indexing strategy, and migration discipline that survives the team doubling in size.

Where It Ships

Custom Software Development in Production

Real custom builds we have shipped where the workflow was specific enough that off-the-shelf was off the table.

01

Internal Operations Platform

When the team is running operations in spreadsheets, shared inboxes, and three SaaS tabs that don't talk to each other, we build the single platform that does. Workflow logic, role-based permissions, audit trail, and the integrations that pull data from the systems you keep, deprecate the ones you don't.

02

SaaS Platform Build From Scratch

Founders shipping their first SaaS product use us to build the platform end to end: multi-tenant architecture, Stripe billing, SSO, admin tooling, and the analytics layer that tells you which customers are actually using what. Production-ready in 12 to 20 weeks.

03

Customer-Facing Portal

When the customer experience is bottlenecked by phone calls and email back-and-forth, we build the self-serve portal: account management, invoice access, support ticketing, document upload, and the integration into the CRM and billing system your back-office team already runs.

04

Two-System Integration Layer

When two systems should be talking but aren't (a new e-commerce platform and a legacy ERP, a CRM and a billing engine, a HRIS and a payroll provider), we build the integration layer that handles the rate limits, the schema mismatches, the retry logic, and the reconciliation jobs that the off-the-shelf connectors don't.

05

Legacy Application Rebuild

When an internal application written 8 years ago is still business-critical and now too brittle to extend, we rebuild it incrementally. The legacy system stays running through the migration, the new system takes over feature by feature, and the cutover happens in stages instead of in a single high-risk weekend.

06

Regulated-Industry Platform

For HIPAA, SOC 2, PCI, or FINRA scope, the platform is built with the regime in mind from day one. Audit trails, encryption at rest and in transit, access control reviews, and the evidence artifacts a Type II audit asks for, produced during the sprint rather than reconstructed before the auditor arrives.

Questions? We've Got Answers

Your Custom Software Questions, Answered.

Straight answers on the cost, maintenance, and total ownership realities behind a custom software build.

Featured Answer

What are the hidden costs of custom software that most companies underestimate?

Three cost categories typically get missed. Ongoing maintenance is the largest, usually 15 to 25% of build cost annually, covering dependency updates and production fixes. Integration drift comes from third-party APIs changing and internal systems migrating. Knowledge transfer creates risk when engineers leave and operational knowledge departs with them. Budgeting for these from the start, ideally with a maintenance retainer, prevents the post-launch surprise.

Get a total cost of ownership estimate for your project.

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Tech Stack

Technologies for Custom Software Development

The languages, frameworks, and runtimes our engineers reach for on production custom platforms.

ReactNext.jsNode.jsTypeScriptPythonGo.NETPostgreSQLRedisAWSDockerKubernetesTerraform

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Tell us about the platform you want built. We'll come back with a tailored proposal within 24 hours.

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SOC 2 Certified 5 Star Client Rating No Commitment
How We Work

Our Development Process

A scoping sprint with a fixed scope and ADR, then two-week sprints with working demos.

01

Discovery & Planning

Deep dive into your goals, users, and technical requirements. We define scope, timeline, and success metrics.

02

Architecture & Design

System design, wireframes, and prototypes. We validate the approach before writing code.

03

Agile Development

Two-week sprints with bi-weekly demos. Continuous integration, code reviews, and transparent progress.

04

Testing & QA

Automated testing, manual QA, performance testing, and security audits on every release.

05

Deployment & Launch

Zero-downtime deployment to production with monitoring, alerting, and rollback capabilities.

06

Optimization & Support

Post-launch monitoring, performance optimization, and ongoing feature development.

The Software Pro Difference

Why Choose Software Pro for Custom Software Development

Why product and ops leaders pick custom platforms over another SaaS subscription that does not fit the workflow.

NYC Headquartered, Global Talent

420 Lexington Ave, Suite 300. NYC based agency accountability backed by 200+ globally sourced engineers and developers.

2 Week Team Spinup

From signed contract to productive engineers in 10 business days. We've done it 200+ times.

95% Retention Rate

Our engineers stay because we treat them right. Low turnover means consistency for your project.

Zero Risk Trial

Every engineer comes with a 2 week trial. Not the right fit? We replace them in 48 hours, no charge.

US Time Zone Alignment

6 to 8 hours of daily overlap with every US timezone. Real time collaboration, not async handoffs.

8000+ Projects Delivered

From Series A startups to Fortune 500 enterprises. We've seen every challenge and solved it.

Case Studies:
Results You Can Trust

Discover real outcomes from real clients: software platforms, custom development, and full stack solutions that moved the needle.

Healthcare AI Receptionist & Call Automation Built for Patient Connect / CuroAI
Featured
Verified

Healthcare AI Receptionist & Call Automation Built for Patient Connect / CuroAI

"Software Pro took the time to understand how our healthcare communication workflows actually operated before recommending a solution. Their ability to design a secure, scalable AI receptionist system while maintaining compliance standards made the implementation smooth and practical for our team."

Written by: Ben Pure, VP

Patient Connect

AI Receptionist Development

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ZIINA Payments App Built for the UAE Market, Licensed by the Central Bank of UAE
Verified

ZIINA Payments App Built for the UAE Market, Licensed by the Central Bank of UAE

"Software Pro delivered our entire mobile payments platform on time, handling complex compliance requirements and integrating with UAE financial infrastructure. Truly an exceptional team."

Written by: Ahmed Al-Rashid

ZIINA

FinTech App Development

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LaborAI Warehouse Planning Platform Redesigned for Clarity, Usability, and Conversions
Verified

LaborAI Warehouse Planning Platform Redesigned for Clarity, Usability, and Conversions

"The redesigned website finally communicates what LaborAI does in a way that resonates with our customers. Complex technical content turned into a clear, compelling experience that drives real inquiries."

Written by: Lee Rector

LaborAI

Website Redesign

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Miiskin Telehealth App Connecting Patients with Board-Certified Dermatologists Online
Verified

Miiskin Telehealth App Connecting Patients with Board-Certified Dermatologists Online

"The team built a secure, HIPAA-compliant telehealth platform our dermatologists use daily. Their expertise in healthcare app development made the entire process seamless and reliable."

Written by: Dr. Martin Jensen

Miiskin

Healthcare Telehealth App

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Aware House Multi-Vendor Marketplace Optimized with CRO for Higher Conversion and Sales
Verified

Aware House Multi-Vendor Marketplace Optimized with CRO for Higher Conversion and Sales

"The CRO work transformed how our customers shop on Aware House. The improvements to navigation and product pages have made a real difference to how visitors engage and convert."

Written by: Lauren Hidalgo

Aware House

eCommerce CRO & Redesign

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Goalers iOS App Launched on the App Store with a Perfect 5.0 Star Rating
Verified

Goalers iOS App Launched on the App Store with a Perfect 5.0 Star Rating

"From wireframes to App Store submission, Software Pro handled everything professionally. The app is beautiful, fast, and our early users absolutely love it."

Written by: Chris Mercer

Goalers LLC

iOS Mobile App Development

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Ecological Law Website Built from Scratch for Global SEO Visibility and Mission Impact
Verified

Ecological Law Website Built from Scratch for Global SEO Visibility and Mission Impact

"Software Pro built us a platform that truly represents our mission and reaches the global audience we need. The site is clear, professional, and already helping us connect with advocates worldwide."

Written by: Victor Tafur

Ecological Law

Website Design & Development

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Proud Arts STL Nonprofit Website Redesigned to Drive Engagement and Community Impact
Verified

Proud Arts STL Nonprofit Website Redesigned to Drive Engagement and Community Impact

"The redesigned website finally tells our story in a way that moves people. We can see the difference in how visitors engage with our programs and how many more complete registrations."

Written by: AJ

Proud Arts STL

Nonprofit Website Redesign

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FX Evolution Trading Platform Delivering Real-Time Market Data to Active Traders
Verified

FX Evolution Trading Platform Delivering Real-Time Market Data to Active Traders

"Software Pro built our full trading education platform with real-time data feeds and a polished member dashboard. Our Market Masters Club members rate it as an essential daily tool."

Written by: Robert Chambers

FX Evolution

Trading Platform Development

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Collective Voice Creator SaaS Platform Powering Influencer Campaigns at Scale
Verified

Collective Voice Creator SaaS Platform Powering Influencer Campaigns at Scale

"The SaaS dashboard Software Pro built for us is clean, fast, and exactly what our creator partners need. They truly understood our product vision and delivered it with precision."

Written by: Sarah Mitchell

Collective Voice

Creator SaaS Platform

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Wisper ISP Website Refined for Cross-Device Consistency, Mobile Usability, and Technical Reliability
Verified

Wisper ISP Website Refined for Cross-Device Consistency, Mobile Usability, and Technical Reliability

"Our mobile users can now access all forms and the redirect issues that were frustrating customers are completely resolved. Systematic, accurate, and professional work."

Written by: AJ

Wisper ISP

Website Development

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PCMCC Healthcare Platform Redesigned for Better UX and SEO, Growing Impressions from 526 to 4.83K
Verified

PCMCC Healthcare Platform Redesigned for Better UX and SEO, Growing Impressions from 526 to 4.83K

"The redesign transformed how our platform presents our services. Going from barely showing up in search to over 4,800 impressions is a meaningful change for our practice."

Written by: Benjamin Pure

PCMCC

Website Redesign & SEO

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STRIDES iOS App Launched on the App Store to Power Real-Time Sales Tracking for Insurance Agencies
Verified

STRIDES iOS App Launched on the App Store to Power Real-Time Sales Tracking for Insurance Agencies

"STRIDES gave us exactly what we needed — a simple way for agents to log their activity and a clear way for us to see what is actually happening in the field."

Written by: Andy Khoo

GITSA

iOS App Development

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Protect3D Health-Tech Website Redesigned to Communicate Complex Innovation and Drive Demo Bookings
Verified

Protect3D Health-Tech Website Redesigned to Communicate Complex Innovation and Drive Demo Bookings

"The team took our technically complex product and turned it into a story that our customers actually understand. The improvement in demo requests since launch has been significant."

Written by: AJ

Protect3D

Health-Tech Website Redesign

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IllnessRx Healthcare App Connecting Patients and Providers Across Multiple US States
Verified

IllnessRx Healthcare App Connecting Patients and Providers Across Multiple US States

"The team delivered a secure and compliant healthcare app our medical network depends on daily. Their understanding of HIPAA requirements and healthcare workflows was outstanding."

Written by: Dr. Patricia Wells

IllnessRx

Healthcare App Development

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Crosslet Photo & Video Website Redesigned into a High-Impact, SEO-Ready Platform for Growth
Verified

Crosslet Photo & Video Website Redesigned into a High-Impact, SEO-Ready Platform for Growth

"The team transformed our outdated website into a platform that truly reflects the quality of our work. The new design is clean, professional, and we are already seeing more inquiries from potential clients."

Written by: Alyssa Voss

Crosslet Photo & Video

Website Redesign & SEO

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J & P Painting Website Built from the Ground Up to Drive Local Leads and Bookings
Verified

J & P Painting Website Built from the Ground Up to Drive Local Leads and Bookings

"We went from having no online presence to a professional website that generates real inquiries. We are now showing up in local searches and getting more calls than ever before."

Written by: Jack Odin

J & P Painting

Website Development

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Envy Eyes & Wax Med Spa Website Redesigned to Reflect Premium Brand and Drive Bookings
Verified

Envy Eyes & Wax Med Spa Website Redesigned to Reflect Premium Brand and Drive Bookings

"Our new website finally looks and feels like the premium spa experience we deliver. Clients are finding us more easily online and the booking process is so much smoother."

Written by: Tammy Pak

Envy Eyes and Wax Med Spa

Website Redesign

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Aware House Shop CRO Strategy Delivering Multi-Fold ROAS Improvement on Shopify
Verified

Aware House Shop CRO Strategy Delivering Multi-Fold ROAS Improvement on Shopify

"We had the traffic and the products but were not converting. The team identified exactly where we were losing customers and fixed it. Our ROAS improvement has been exceptional."

Written by: Lauren Hidalgo

Aware House

eCommerce CRO

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KAF Arts Platform Built as a Scalable Digital Hub for a Multi-Venue Arts Organization
Verified

KAF Arts Platform Built as a Scalable Digital Hub for a Multi-Venue Arts Organization

"The custom filtering and performance improvements have made a measurable difference. It was a complex build and the team handled every challenge with expertise."

Written by: AJ

KAF Arts

Website Development

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Radius Enterprise Website Engineered for Scalability, Advanced UX, and Multi-Country Expansion
Verified

Radius Enterprise Website Engineered for Scalability, Advanced UX, and Multi-Country Expansion

"The level of engineering precision was outstanding. The CMS components mean our team can update content without involving developers. Exceptional work throughout."

Written by: AJ

Radius

Enterprise Website Development

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Gate Escape Premium Airport Experience Website Designed for Immersion and Conversion
Verified

Gate Escape Premium Airport Experience Website Designed for Immersion and Conversion

"The team translated our innovative airport pod concept into a digital experience that matches the quality of our physical product. The visual storytelling exceeded our expectations."

Written by: AJ

Gate Escape

Website Redesign

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Rebis Design System Stabilized for a Consistent, Scalable, and Professional Web Platform
Verified

Rebis Design System Stabilized for a Consistent, Scalable, and Professional Web Platform

"We had been struggling with style inconsistencies that kept coming back every time we made updates. The team fixed it properly and our site now looks consistent across every page."

Written by: AJ

Rebis

Design System Development

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Pep Boys Enterprise Website Scaled with Location Pages, SEO Content, and Streamlined Deployments
Verified

Pep Boys Enterprise Website Scaled with Location Pages, SEO Content, and Streamlined Deployments

"The team became a reliable extension of our development operation, handling landing page creation and content updates with the accuracy and discipline that enterprise workflows demand."

Written by: Adam Huber

Pep Boys

Enterprise Website Development

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FallTech Blog Transformed into a Structured SEO-Driven Content Platform for Long-Term Growth
Verified

FallTech Blog Transformed into a Structured SEO-Driven Content Platform for Long-Term Growth

"The team transformed our disorganized blog into a proper content platform. The migration from HubSpot was handled without losing content and the SEO structure has significantly improved performance."

Written by: CDS Team

FallTech

Content Platform Development

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P&E Stainless Product Catalog Transformed into a Structured Digital Platform for Technical Buyers
Verified

P&E Stainless Product Catalog Transformed into a Structured Digital Platform for Technical Buyers

"Migrating our entire product catalog was a complex undertaking. The result is a platform that our technical customers can actually navigate efficiently to find the specifications they need."

Written by: CDS Team

P&E Stainless

Product Catalog Development

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Chromatic Fox Studio Website Continuously Enhanced to Support Growing Beauty Service Offerings
Verified

Chromatic Fox Studio Website Continuously Enhanced to Support Growing Beauty Service Offerings

"Having a reliable development partner for ongoing website updates has been invaluable. Every new service page matches our existing design perfectly and critical updates are handled exactly when needed."

Written by: CDS Team

Chromatic Fox Studio

Ongoing Website Development

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Holy City Med Landing Page Built to Drive Membership Signups for Modern Healthcare Services
Verified

Holy City Med Landing Page Built to Drive Membership Signups for Modern Healthcare Services

"The landing page does exactly what we needed — it explains our model clearly and converts visitors who would otherwise leave confused. The multi-audience approach was particularly effective."

Written by: CDS Team

Holy City Med

Landing Page Development

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TMMR Fleet Operations SaaS Platform Built to Centralize Reporting for Transportation Professionals
Verified

TMMR Fleet Operations SaaS Platform Built to Centralize Reporting for Transportation Professionals

"Having everything — mileage, maintenance, invoices, compliance — in one place instead of spread across different tools has transformed how we manage our operations."

Written by: Van Solkov

TMMR

SaaS Platform Development

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People 4 People Membership Platform Scaled with Custom Commission Logic and Multi-Role Architecture
Verified

People 4 People Membership Platform Scaled with Custom Commission Logic and Multi-Role Architecture

"The membership system, commission logic, and onboarding improvements have made a real difference to how our platform operates. The scalability work means we can grow without worrying."

Written by: Jennifer

People 4 People

Membership Platform Development

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Industries

Custom Software Development Across Industries

Where custom platforms replace stitched-together SaaS for teams that outgrew the off-the-shelf path.

Client Reviews

Trusted by Engineering Leaders

All reviews verified and sourced fromClutch.co
Clutch Verified

"Software Pro took off the workload of production from our shoulders entirely. They designed and developed the entire platform from scratch and provided continuous application support. We're already in talks with them for another project."

E-Commerce Development & Application Support

Phillip Tyler

Founder, Kreative Bugs

Brisbane, AustraliaMar 2025
Clutch Verified

"Their commitment to clear communication, timely delivery, and post-launch support truly impressed us. They delivered a robust, scalable website with visually stunning design. Post-launch training and troubleshooting ensured we could manage everything independently."

Web Development & UI/UX Design

Daniel Foster

Manager, Bulvar Global

Lisbon, PortugalMar 2025
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Frequently Asked Questions

Answers to what buyers ask before they sign.

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Start Your Custom Software Project

Share the workflow, the timeline, and the systems we'd have to integrate with. We'll come back with an architecture sketch, a milestone plan, and the honest answer on what's realistic in the timeframe you have.

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