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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.
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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.

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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

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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.

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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.
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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.

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Sr. SaaS Architect

Leandro C.

17 years of experience

Kubernetes

Terraform

PostgreSQL

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AWS Certified Solutions Architect – Professional

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Google Professional Cloud Architect

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Sr. Backend Engineer

Renata V.

11 years of experience

Node.js

Phyton

.NET Core

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AWS Certified Developer – Associate

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Microsoft Certified: Azure Developer Associate

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Sr. DevOps Engineer

Ignacio F

9 years of experience

Docker

Jenkins

Argo CD

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AWS Certified DevOps Engineer – Professional

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Certified Kubernetes Administrator

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Sr. API Architect

Matías P.

12 years of experience

REST

GraphQL

Api Gateway

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AWS Certified Solutions Architect – Associate

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Apollo Graph Developer Associate

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Sr. Security Engineer

Tomás D.

16 years of experience

OWASP

Snyk

HashiCorp Vault

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AWS Certified Security – Specialty

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Certified Information Systems Security Professional (CISSP)

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Onboard a SaaS development team in weeks, not months.

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

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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.

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Work with our QA software testing experts.

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.

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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.

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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.

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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

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?

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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.

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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

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

What tech leaders ask about our SaaS development services:

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

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