How quickly can you staff a SaaS development team?

• We typically staff SaaS development teams within 2–4 weeks. Our 4,000+ engineer bench includes specialists with multi-tenant architecture, API design, cloud infrastructure, subscription billing, and DevOps experience. This allows us to assemble the right team quickly based on your specific needs. •

Will your team work in our time zone and integrate with our processes?

Yes. Our nearshore SaaS development teams work US business hours, communicate in English, and participate fully in your standups, sprint planning, and reviews. We adopt your tools (GitHub, Jira, Slack, Figma), follow your branching strategies and code review processes, and operate as an extension of your team from day one.

Can you work with our existing SaaS platform and tech stack?

Absolutely. Our engineers have worked with legacy monolithic SaaS applications, modern microservices architectures, Rails apps, Django platforms, .NET systems, and Node.js backends. We audit existing code, identify performance bottlenecks and security gaps, and propose incremental improvements that don't disrupt ongoing development.

How long does it take to build a basic SaaS application?

• A basic SaaS application typically takes four to six months from discovery to launch. The timeline depends on feature complexity, integration requirements, team size, and requirements. We often work in Agile sprints to deliver functionality incrementally, so you can validate progress and adjust priorities throughout development. •

How do you maintain team stability over long engagements?

We're structured for long-term partnerships. Most engineers stay on SaaS projects for 2+ years, and our 96% client retention rate shows organizations continue working with us year after year. When team adjustments are needed, our bench depth allows us to add specialists or backfill roles quickly while maintaining project momentum through documentation and structured handoffs.

How do you ensure data portability in SaaS applications?

We design data export functionality that retrieves data in standard formats like CSV, JSON, and XML. This ensures data portability if you need to switch providers or integrate with other systems. Our SaaS solutions include automated backup processes and API endpoints for bulk data extraction, giving you full control over your data.

Do you handle contracts and billing in the US?

Yes. We operate from US headquarters under US law and jurisdiction. All contracts, billing, and procurement flow through domestic channels, eliminating international complications.

> SaaS

SAAS DEVELOPMENT SERVICES

Build custom SaaS solutions with experts trusted by 1500+ companies.

Looking for a partner with proven SaaS expertise? Our SaaS development services power some of the world's leading platforms. Work with us to build scalable SaaS applications, modernize existing solutions, and accelerate product launches.

Sr. SaaS Architect

Leandro C.

17 years of experience

Previous Client

Get expert help for your QA and Software Testing project.

TRUSTED BY CTOS AT 1500+ COMPANIES:

Clutch

4.9/5

60 client reviews

SAAS APP DEVELOPMENT SERVICES

No matter what you're building, we can help.

Our SaaS development services span the full product lifecycle, from design and architecture to post-launch optimization. Whether you're launching a new SaaS platform or scaling an existing one, we deliver the engineering expertise to move fast without accumulating technical debt.

Most SaaS failures trace back to architecture decisions made too early or without enough context. We work with your product and engineering leaders to design multi-tenant systems that balance isolation, performance, and cost from day one. Our architects map tenant boundaries, define data partitioning strategies, and establish scaling patterns before code is written. This includes designing for horizontal scale, implementing tenant-aware caching, and building monitoring that tracks per-tenant resource consumption. You get a foundation that supports growth without expensive re-platforming.

Generic frameworks and templates can't handle the complexity of enterprise SaaS product development. Our custom software development process is designed to address your specific business model, whether that's usage-based billing, tiered access, or complex hierarchies. Our teams use domain-driven design to isolate core business logic from infrastructure concerns. We implement feature flags for gradual rollouts, build admin interfaces for tenant management, and design APIs that support both internal services and external integrations. The result is a maintainable codebase that evolves with your product roadmap.

Building for multiple tenants means solving data isolation, resource allocation, and tenant customization without compromising security or performance. We design and implement multi-tenant systems using proven patterns—pooled databases with tenant identifiers, separate schemas per tenant, or fully isolated instances depending on your requirements. Our approach includes implementing row-level security, designing tenant-aware middleware, and building administrative tools for provisioning and deprovisioning. We also handle cross-tenant analytics and reporting while maintaining strict data boundaries. You get scalable multi-tenancy that meets both security and cost targets.

APIs are the contract between your platform and everyone who builds on it. We design REST and GraphQL APIs with versioning strategies, rate limiting, and tenant-scoped authentication that support both internal microservices and external developers. Our teams implement webhook systems for event-driven integrations, build API gateways for centralized policy enforcement, and create developer portals with interactive documentation. We also handle integrations with third-party platforms like Stripe, SendGrid, and Twilio. This gives you extensibility without sacrificing stability.

Legacy on-premises applications weren't built for the multi-tenant, subscription-based model that today's market demands. Many businesses face challenges during migration including data loss and performance issues. We migrate monolithic systems to cloud-native SaaS architectures while maintaining business continuity. Our process includes extracting business logic into services, implementing tenant data models, and building billing and subscription management. We execute migrations incrementally, running old and new systems in parallel until validation passes. This reduces risk, preserves revenue, and positions you for faster feature delivery.

SaaS platforms handle sensitive data for hundreds or thousands of tenants, making security and compliance non-negotiable. We understand and comply with GDPR and HIPAA data privacy regulations. We implement defense-in-depth strategies including tenant data encryption, audit logging, and role-based access control. Our security work covers both application-level controls and infrastructure hardening. We provide evidence of compliance with ISO 27001 and industry-specific standards, implement automated security scanning in CI/CD pipelines, and build admin tools for compliance reporting. You get audit-ready security without slowing feature velocity.

High-velocity SaaS teams need deployment pipelines that support multiple releases per day without downtime. We build GitOps workflows with automated testing, security scanning, and progressive rollouts. Our DevOps engineers implement blue-green deployments, canary releases, and feature flags to decouple deployment from release. We set up observability with distributed tracing and tenant-level metrics, and build runbooks for incident response. You get the infrastructure to ship fast while maintaining stability.

Managing subscriptions, usage metering, and billing across hundreds of tenants requires specialized systems. We integrate with platforms like Stripe, Chargebee, and Zuora, or build custom billing engines for complex pricing models. Our implementations handle plan upgrades and downgrades, prorated billing, usage-based pricing, and dunning workflows. We build admin dashboards for finance teams and self-service portals for customers. This gives you accurate revenue recognition and reduces support overhead.

SAAS CASE STUDIES

Hundreds of SaaS projects delivered.

From pilot to scale, we have the experience to build SaaS platforms that deliver real value. It's why 500+ clients choose us as their SaaS development company.

E-LEARNING

Maintained and Launched
New Features for
Instructure's Canvas LMS
Platform

Instructure needed engineering expertise to maintain and enhance Canvas, the leading Learning Management System serving tens of millions of educators. We provided 56 specialists including QA, back-end, and front-end engineers over a 3.5-year engagement. The team spotted bugs across a large codebase and launched a well-tested list of features. Our work helped Instructure support over 7,000 institutions worldwide.

React

Node.js

.Net

Ruby

PHP

HUMAN RESOURCES

Migrated HR Platform to
Microservices and Developed
Mobile Apps for Limeade

Limeade needed to migrate their mobile-first HR platform to microservices and unify three solutions into Limeade ONE. We provided a team of engineers over a 5-year engagement to handle web app development, legacy support, and database administration. The team migrated to microservices, developed Android and iOS apps with Xamarin, and created Tableau dashboards. Our work helped Limeade scale their employee well-being platform faster.

React

.Net

Azuru

Xamarin

Tableau

NON-PROFIT

Developed MVP and Data
Pipelines for iWave's
Fundraising Intelligence
Platform

iWave needed to replace a platform that was becoming difficult to scale and maintain. We developed the MVP, set up ETL data pipelines on AWS, and optimized the new platform for mobile over a 2.5-year engagement. The team built a robust backend that laid the foundation for future innovation and growth. Our work gave iWave's clients faster and more reliable fundraising intelligence results.

Amazon Web Services

C#

.Net

Vue

MySQL

MARKETING & ADVERTISING

NextRoll’s SaaS ad platform runs 100K ad auctions per second with ML tech we built

7-Year Engagement

48 Specialists

10/10 NPS Score

NextRoll needed engineers with in-depth knowledge of statistical tools to hone its machine-learning tech used to launch about 100,000 ad auctions per second on autopilot. We brought in dozens of Latin American engineers to fill technical gaps across Data Science, BI, Applications, RTB, Infrastructure, Solutions Engineering, and Big Data teams.

Increased the number of Shopify customers joining NextRoll's platform by 60%

Scaled our engagement to 48 nearshore engineers working across 7 internal teams

Helped NextRoll serve 50 billion ad impressions per day

Get expert help for your QA and Software Testing project.

Patrick Mee

EVP Of Engineering

Their engineers perform at very high standards. We've had a strong relationship for almost 7 years."

OUR SAAS DEVELOPMENT TEAMS

Meet the SaaS development experts behind our best work.

Behind every successful SaaS platform is a highly specialized team. That's why we have experts for every stage of SaaS development, from multi-tenant architecture and backend engineering to API design, DevOps automation, and security hardening.

Sr. SaaS Architect

Leandro C.

17 years of experience

Kubernetes

Terraform

PostgreSQL

AWS Certified Solutions Architect – Professional

Google Professional Cloud Architect

Sr. Backend Engineer

Renata V.

11 years of experience

Node.js

Phyton

.NET Core

AWS Certified Developer – Associate

Microsoft Certified: Azure Developer Associate

Sr. DevOps Engineer

Ignacio F

9 years of experience

Docker

Jenkins

Argo CD

AWS Certified DevOps Engineer – Professional

Certified Kubernetes Administrator

Sr. API Architect

Matías P.

12 years of experience

REST

GraphQL

Api Gateway

AWS Certified Solutions Architect – Associate

Apollo Graph Developer Associate

Sr. Security Engineer

Tomás D.

16 years of experience

OWASP

Snyk

HashiCorp Vault

AWS Certified Security – Specialty

Certified Information Systems Security Professional (CISSP)

Onboard a SaaS development team in weeks, not months.

Talk to an expert

ABOUT BAIRSDEV

Why work with BairesDev? We’re trusted by the world’s top tech teams.

BairesDev is a US-based company powered by LATAM dev teams. Since 2009, we’ve built software for companies of all sizes—from scrappy startups to Fortune 500 giants. In fact, we’re one of the fastest-growing software development companies in the world. If you’re looking for onshore quality with nearshore benefits, we’re the partner for you.

1250+

Projects
Delivered

4000+

Developers
On Staff

96%

Client Retention
Rate

500+

Active
Clients

HOW WE WORK

Here's what makes us easy to work with and hard to replace:

From code quality to compliance, we’ve optimized every part of how we work to support high-performing engineering teams. For you, that means clearer communication and smoother delivery. Plus, get peace of mind from having a development partner you can depend on.

VETTED SENIOR TALENT

We hire the top 1% of over two million applicants, so you only work with the best.

We give you engineers who’ve already proven they can deliver. Our rigorous evaluation process includes technical tests, English assessments, soft skill screening, problem-solving simulations, and more. Out of over 2 million applicants who apply yearly, fewer than 1% get the chance to join our team. This is how we ensure you get highly qualified developers who are experts in their fields.

Work with our QA software testing experts.

Talk to an expert

TIMEZONE ALIGNED

We work your team’s hours, which creates faster feedback loops and fewer blockers.

Our nearshore software engineers share your workday, answering Slack messages, joining daily stand-ups, and presenting demos in real time. Project management is streamlined, questions are answered quickly, blockers are resolved as they come up, and simple code reviews take minutes, not days.

Work with our QA software testing experts.

Talk to an expert

PROFICIENT IN ENGLISH

Our engineers have strong English skills, so communication and documentation are clear.

Our engineers have 8+ years of experience collaborating with US teams. They excel at articulating complex technical concepts to diverse stakeholders, producing meticulous documentation, and driving technical discussions. This eliminates the ambiguity common with global teams.

Work with our QA software testing experts.

Talk to an expert

FLEXIBLE ENGAGEMENT MODELS

Need extra AI expertise?
Plug us in where you need us most.

We customize every engagement to fit your workflow, priorities, and delivery needs.

Kick off AI projects in 2-4 weeks.

We have reps across the US.

Speak with a client engagement specialist near you.

Discuss solutions and decide team structure.

Tell us more about your needs. We'll discuss the best-fit solutions and team structure based on your success metrics, timeline, budget, and required skill sets.

Onboard your team and get to work.

With project specifications finalized, we select your team. We're able to onboard developers and assemble dedicated teams in 2-4 weeks after signature.

We track performance on an ongoing basis.

We continually monitor our teams' work to make sure they're meeting your quantity and quality of work standards at all times.

Schedule a Call with Our Team

STAFF AUGEMENTATION

Need a couple of extra software engineers on your team?

Get senior, production-ready developers who integrate directly into your internal team. They work your hours, join your standups, and follow your workflows—just like any full-time engineer.

DEDICATED TEAMS

Need a few teams to deliver several projects in simultaneously?

Spin up focused, delivery-ready pods to handle full builds or workstreams. Together we align on priorities. Then our tech PMs lead the team and drive delivery to maintain velocity and consistency.

SOFTWARE OUTSOURCING

Want to offload everything to us, from start to finish?

Hand off the full project lifecycle, from planning to deployment. You define the outcomes. We take full ownership of the execution and keep you looped in every step of the way.

CLOUD SOLUTIONS

Build with cloud engineers who have experience in your industry.

We’ve delivered projects across 130+ industry sectors. You won’t have to spend weeks getting us up to speed. Our developers come in with a clear understanding of your industry's data complexity, compliance requirements, and unique needs.

Marketing & Advertising

Build scalable SaaS tools for campaign management, analytics, and marketing automation.

BUILD SOLUTIONS FOR:

Marketing automation platforms
Customer data platforms
Ad tech and programmatic advertising
Email marketing and campaign management
Social media management tools
Analytics and attribution platforms

Content management systems
Influencer marketing platforms
SEO and search marketing tools
Marketing resource management

Financial Services

Build secure, compliant SaaS platforms that handle sensitive financial data and meet strict regulatory requirements.

BUILD SOLUTIONS FOR:

Digital banking platforms
Payment processing solutions
Wealth management portals
Lending and loan origination systems
Risk management and compliance tools
Trading and investment platforms

Insurance policy management systems
Financial analytics and reporting SaaS
Regulatory reporting automation
Fraud detection and prevention platforms

Human Resources

Create SaaS applications that streamline hiring, employee management, and workforce analytics.

BUILD SOLUTIONS FOR:

Applicant tracking systems
Human resource information systems
Payroll and benefits administration
Time and attendance tracking
Performance management platforms
Learning management systems

Employee engagement and survey tools
Workforce planning and analytics
Onboarding and offboarding automation
Talent marketplace platforms

Real Estate & Property Management

Build SaaS tools for property listing, tenant management, and real estate transactions.

BUILD SOLUTIONS FOR:

Property management platforms
Real estate CRM and lead management
Listing and syndication tools
Tenant portals and communication
Lease and contract management

Maintenance and work order systems
Accounting and financial reporting
Market analytics and valuation tools
Virtual tour and property visualization
Transaction management platforms

E-commerce & Retail

Launch SaaS platforms that power online commerce, inventory management, and omnichannel experiences.

BUILD SOLUTIONS FOR:

E-commerce platform solutions
Inventory and order management systems
Point-of-sale software
Customer loyalty and rewards platforms
Product information management
Multi-channel retail management

Pricing and promotion engines
Returns and exchange management
Warehouse management systems
Supply chain visibility platforms

Education & E-Learning

Develop SaaS platforms that support remote learning, student management, and educational content delivery.

BUILD SOLUTIONS FOR:

Learning management systems
Student information systems
Virtual classroom and video conferencing
Assessment and testing platforms
Content authoring and delivery tools
Admissions and enrollment management

Alumni and donor management
Educational analytics and reporting
Certification and credential management
Course marketplace platforms

Professional Services

Launch SaaS platforms for project management, time tracking, and client relationship management.

BUILD SOLUTIONS FOR:

Professional services automation
Project and portfolio management
Time tracking and billing systems|
Resource planning and allocation
Client relationship management
Document and contract management

Collaboration and knowledge sharing
Business intelligence and reporting
Expense management and reimbursement
Proposal and quote generation

Healthcare & Life Sciences

Develop HIPAA-compliant SaaS applications that safeguard PHI while enabling interoperability and care coordination.

BUILD SOLUTIONS FOR:

Electronic health records platforms
Telemedicine and virtual care solutions
Patient engagement and portal systems
Practice management software
Clinical trial management platforms
Medical billing and revenue cycle management

Health data analytics and population health tools
Medical device data management
Pharmacy management systems
Laboratory information management systems

Manufacturing & Supply Chain

Create SaaS applications for production planning, inventory control, and supply chain visibility.

BUILD SOLUTIONS FOR:

Manufacturing execution systems
Enterprise resource planning
Supply chain management platforms
Inventory and warehouse management
Quality management systems
Procurement and sourcing tools

Production planning and scheduling
Asset and equipment management
Supply chain visibility and tracking
Demand forecasting and planning

SaaS for Technology Companies

Build infrastructure and platform services for other software companies and developers.

BUILD SOLUTIONS FOR:

API management and gateway platforms
Developer tools and collaboration
Infrastructure monitoring and observability
Security and compliance automation
CI/CD and DevOps platforms
Database and data infrastructure services

Identity and access management
Billing and usage metering platforms
Customer support and ticketing systems
Developer documentation and portals

QA SOFTWARE TESTING CAPABILITIES

We cover the QA software testing stack (and everything around it).

As a top QA software testing company, we use a modern tech stack built for performance and scale, with a focus on proven tools. QA is just the start. With capabilities in 100+ technologies, we support your entire software roadmap.

Repeatable infrastructure eliminates drift and accelerates new environments. We codify networks, policies, and services with declarative tooling, embedding security scans and policy enforcement in every pull request.

TestRail

AWS CloudFormation

qTest

Jira

Curious how we'd approach your SaaS development project?

Talk to an expert

SAAS DEVELOPMENT PROCESS

How we deliver SaaS solutions that drive business value:

We've refined our SaaS development services across hundreds of projects using Agile methodology for faster iteration and flexibility. Whether you need end-to-end execution or support for an internal team, we step in wherever you need us to move projects forward without friction.

1 Discovery & Product Strategy

We define business goals and models with stakeholders, building prototypes to validate concepts early. We translate these into technical requirements that prevent feature creep and guide architecture.

2 Multi-Tenant Architecture Design

We design tenant isolation models, data partitioning, and resource policies to support growth. We determine the right mix of shared databases or isolated instances to balance security, compliance, and cost.

3 Technology Stack Selection

We select frameworks and cloud services based on performance and long-term maintenance needs. Our recommendations balance proven stability with modern capabilities, considering security, support, and costs.

4 Core Platform Development

Using domain-driven design, we isolate business logic from infrastructure for a maintainable codebase. We implement feature flags, admin interfaces, and APIs to ensure your platform evolves with your roadmap.

Global companies have trusted us to build and scale their AI solutions for over a decade.

Excellence.
Our minimum bar for client delivery.

Over 130 awards, accolades, and achievements showcase our quality and commitment to client success.

America's Fastest-Growing Companies 2025 by Financial Times

Nearshore North America Top Software Developers 2025 by Clutch

Top 100 U.S. IT Innovators 2025 by CIO100 Awards

Top 100 Global Outsourcing Providers 2024 by IAOP Global Outsourcing 100

Accelerate AI development and delivery with our top-rated nearshore teams.

Schedule a Call

What tech leaders ask about our SaaS development services:

We screen over 2 million applicants annually and hire less than 1%. We only select senior engineers with 8–10+ years of proven experience. Our SaaS developers have built platforms serving thousands of tenants, designed subscription and billing systems, implemented role-based access control across complex hierarchies, and optimized multi-tenant databases for scale. They understand tenant isolation patterns, API versioning strategies, and how to balance feature velocity with architectural integrity.

Yes, we're ISO 27001 certified and have provided SaaS application development services for healthcare, finance, government, and other regulated sectors. Our solutions have included HIPAA-compliant data handling, SOC 2 controls, GDPR data residency requirements, and audit logging for compliance reporting. With hundreds of projects delivered in highly regulated industries, our teams have the experience to meet strict regulatory requirements without slowing feature delivery.

Yes. We build integrations with payment processors like Stripe and PayPal, communication tools like SendGrid and Twilio, analytics platforms, CRM systems, and custom APIs. Our engineers implement webhook systems for event-driven workflows, design retry logic and circuit breakers for reliability, and build admin interfaces for managing integrations. We also create developer portals when your platform needs to support external integrations.

Enterprise AI digital transformation and intelligent automation concept

Enterprise AI Solutions: Scalable Strategies for Modern Businesses

Enterprise AI solutions are transforming how organizations operate, scale, and compete. This article explores scalable AI strategies, infrastructure requirements, and real-world enterprise applications.

crypto aegis

2 hours ago2 min read

See why the biggest names in tech choose our SaaS development services.

Let's Discuss Your AI Project

COMPANY

CAREERS

TOP SOLUTIONS

ENTERPRISE FOCUSED

INDUSTRY SPECIFIC

Build custom SaaS solutions with experts trusted by 1500+ companies.

Looking for a partner with proven SaaS expertise? Our SaaS development services power some of the world's leading platforms. Work with us to build scalable SaaS applications, modernize existing solutions, and accelerate product launches.

Get expert help for your QA and Software Testing project.

Clutch

No matter what you're building, we can help.

SaaS Architecture & Strategy

Custom SaaS Application Development

Multi-Tenant Architecture Development

SaaS API Development & Integration

SaaS Migration & Modernization

SaaS Security & Compliance

SaaS DevOps & Release Automation

Subscription & Billing Systems

Hundreds of SaaS projects delivered.

Maintained and Launched New Features for Instructure's Canvas LMS Platform

Migrated HR Platform to Microservices and Developed Mobile Apps for Limeade

Developed MVP and Data Pipelines for iWave's Fundraising Intelligence Platform

NextRoll’s SaaS ad platform runs 100K ad auctions per second with ML tech we built

Get expert help for your QA and Software Testing project.

Their engineers perform at very high standards. We've had a strong relationship for almost 7 years."

Meet the SaaS development experts behind our best work.

Sr. SaaS Architect

Sr. Backend Engineer

Sr. DevOps Engineer

Sr. API Architect

Sr. Security Engineer

Onboard a SaaS development team in weeks, not months.

​Why work with BairesDev? We’re trusted by the world’s top tech teams.

1250+

4000+

96%

500+

Here's what makes us easy to work with and hard to replace:

We hire the top 1% of over two million applicants, so you only work with the best.

Need extra AI expertise? Plug us in where you need us most.

Kick off AI projects in 2-4 weeks.

We have reps across the US.

Discuss solutions and decide team structure.

Onboard your team and get to work.

We track performance on an ongoing basis.

Need a couple of extra software engineers on your team?

Need a few teams to deliver several projects in simultaneously?

Want to offload everything to us, from start to finish?

Build with cloud engineers who have experience in your industry.

Marketing & Advertising

We cover the QA software testing stack (and everything around it).

Curious how we'd approach your SaaS development project?

How we deliver SaaS solutions that drive business value:

1

Discovery & Product Strategy

2

Multi-Tenant Architecture Design

3

Technology Stack Selection

4

Core Platform Development

Global companies have trusted us to build and scale their AI solutions for over a decade.

Excellence. Our minimum bar for client delivery.

Over 130 awards, accolades, and achievements showcase our quality and commitment to client success.

Accelerate AI development and delivery with our top-rated nearshore teams.

What tech leaders ask about our SaaS development services:

How quickly can you staff a SaaS development team?

What level of experience do your SaaS developers bring?

Will your team work in our time zone and integrate with our processes?

Can you work with our existing SaaS platform and tech stack?

Do you have experience building SaaS products for regulated industries?

How long does it take to build a basic SaaS application?

Can you integrate our SaaS platform with third-party services and APIs?

How do you maintain team stability over long engagements?

How do you ensure data portability in SaaS applications?

Do you handle contracts and billing in the US?

Enterprise AI Solutions: Scalable Strategies for Modern Businesses

See why the biggest names in tech choose our SaaS development services.

Maintained and Launched
New Features for
Instructure's Canvas LMS
Platform

Migrated HR Platform to
Microservices and Developed
Mobile Apps for Limeade

Developed MVP and Data
Pipelines for iWave's
Fundraising Intelligence
Platform

Why work with BairesDev? We’re trusted by the world’s top tech teams.

Need extra AI expertise?
Plug us in where you need us most.

Excellence.
Our minimum bar for client delivery.