FULL STACK DEVELOPMENT SERVICES
Our full-stack teams have built platforms serving millions of daily users for companies like Pinterest and Urban Outfitters. Onboard senior full-stack developers in as little as 2 weeks.
YOUR FULL STACK DEVELOPMENT PARTNER
No matter what you're building, we can help.
Software earns its value from how well every layer connects. Our full-stack development services cover the entire build, from design to deployment.
Custom Web Application Development
Almost every business has workflows that off-the-shelf software can't fully support. We design the architecture and build web applications that fit your operations instead of forcing your operations to fit a product.
We ship production-ready applications using React, Angular, or Vue on the frontend with Node.js, Python, or .NET backends. Your team gets a system built around how your business actually works, with code that's well-documented and maintainable.
API Development & Integration
Third-party tools and partner systems rarely speak the same language. Connecting them without a clear integration strategy leads to brittle point-to-point links that break when any system updates.
Our engineers design RESTful and GraphQL APIs with versioned contracts, rate limiting, and authentication built in. Each integration gets its own test suite, so you can upgrade any connected system without triggering failures downstream.
Frontend Engineering
Users judge your product in the first few seconds. Slow renders, inconsistent layouts across devices, or clunky interactions push them to competitors before they even engage with your core features.
Component libraries and design systems keep the UI consistent as the product grows. We build in React, Angular, and Vue.js with reusable patterns, so your frontend performs the same on a smartphone as it does on a desktop.
Backend Development
Business logic lives in the layer users never see, and this means poor backend decisions can compound over time. A monolith that made sense at launch becomes a bottleneck when traffic doubles and new features need to ship every quarter.
Our backend teams build in Node.js, Python, Java, and .NET, choosing the right approach for your product. You get a backend that supports your current load and adapts as your product grows, whether you need a modular monolith, microservices, or a hybrid.
Database Design & Management
Schema decisions made in the first sprint follow you for years. A data model that doesn't account for compliance requirements or growth projections becomes expensive to fix once production data is in the table.
We design and tune relational and NoSQL databases. Your data layer gets indexed for actual access patterns, not hypothetical ones, so queries stay fast as volume scales.
Cloud Infrastructure & DevOps
Shipping code is only half the job. Without CI/CD pipelines, infrastructure-as-code, and monitoring in place, deployments stay slow, environments drift, and outages take longer to diagnose.
For teams running on AWS, Azure, or GCP, our DevOps engineers configure pipelines, containerize services, and instrument observability. This helps you ship faster with fewer incidents and predictable infrastructure costs.
Mobile App Development
Your users expect the same quality on a budget Android and the latest iPhone as they get on their desktops. Building a mobile experience as an afterthought leads to cross-platform inconsistencies and burns engineering hours down the line.
Our mobile engineers build native iOS and Android apps or cross-platform solutions using React Native and Flutter. We aim to reduce duplication and provide a mobile experience that shares backend services with your web app.
Legacy System Modernization
Rewriting from scratch sounds clean until you factor in the years of business logic embedded in existing code. Most brownfield projects we work on are modernized incrementally, with a focus on predictability.
We assess your current stack, identify the highest-risk components, and migrate them to modern frameworks and infrastructure in phases. Each phase ships working software, so your team isn't waiting months for a full rewrite to go live.
Full-Stack case studies
Hundreds of full-stack projects delivered.
We've built complex full-stack systems for leading brands in retail, marketing, fintech, and beyond. It's why 500+ clients choose us as their full-stack development company.
- E-COMMERCE & RETAIL
Urban Outfitters Partnered With Us to Build New Ecommerce Platform
When the pandemic shuttered brick-and-mortar operations in early 2020, Urban Outfitters needed to pivot to ecommerce fast. They needed engineers who could work across the frontend and backend to optimize web performance, handle traffic spikes, and boost conversion rates. We provided a team of 8 senior developers over a 4-year staff augmentation engagement. The team reduced checkout errors, improved site speed and navigation on mobile and desktop, and increased operational efficiency.
- Angular
- Vue
- MARKETING & ADVERTISING
We Provided 48 Engineers Over a 7-Year Engagement
NextRoll's predictive analytics platform creates over 150 billion daily buyer predictions across two product lines: AdRoll (DTC) and RollWorks (B2B). To scale their ML infrastructure and application layer, they needed engineers who could ship across the entire stack. Over a 7-year engagement, we scaled to 48 senior engineers embedded across Data Science, BI, Applications, RTB, Infrastructure, Solutions Engineering, and Big Data teams. Our work helped increase Shopify customer acquisition by 60%.
- React
- Python
- Java
- Go
- Amazon Web Services
- FINTECH
Azlo Tapped Us to Build New Banking Features and Refactor Their Onboarding App
Azlo needed full-stack talent to build new features, redesign onboarding flows, establish CI/CD pipelines, and migrate their database while meeting fintech compliance standards. We provided 15 senior developers across front-end, back-end, and DevOps. The team built new banking features including invoice automation and budget allocation tools, refactored the onboarding application, and migrated from MongoDB to PostgreSQL. Within 18 months, Azlo doubled their customer count.
- React
- Node.js
- React Native
- PostgreSQL
- MongoDB
INTERNET & TECHNOLOGY
Pinterest teamed up with us to rebuild its Ads Manager architecture for scale.
- 5-Year Engagement
- 233 Engineers
Pinterest needed to rebuild its Ads Manager to handle growth and deliver more value to advertising partners. The old platform couldn't scale to meet demand, and the engineering team needed to ship both a web and mobile ads tool under tight production deadlines. Our frontend, backend, and data engineering teams integrated with Pinterest's engineering org over 5 years, scaling from 5 to 233 engineers.
Rebuilt the Ads Manager architecture to support scale and reduce operational complexity
Helped develop the mobile Pinterest ads tool
Scaled engineering team from 5 to 233, now spanning 37 active software projects
Get expert help for your Full-Stack project.
“Their engineers perform at very high standards. We've had a strong relationship for almost 7 years.”
Our top 1% tech talent.
Work with vetted senior software engineers.
With a decade of experience and dozens of complex builds under their belts, our software engineers raise the bar on every project they work on.
Federico S.
Buenos Aires, AR
Engineering Manager
Manuel C.
Buga, CO
Sr. Software Engineer
Lucas G.
Rio de Janeiro, BR
Sr. Full-Stack Engineer
Bruno S.
São Paulo, BR
Sr. Back-End Engineer
Ricardo A.
Buenos Aires, AR
Sr. QA Engineer
André P.
São Paulo, BR
Sr. Front-End Engineer
Gustavo A.
Marília, BR
Sr. DevOps Engineer
Javier V.
Quito, EC
Sr. Software Architect
Yuri B.
Blumenau, BR
Tech Lead
Diego N.
João Pessoa, BR
Sr. Mobile Engineer
Matheus C.
Rio de Janeiro, BR
Sr. Software Engineer
Onboard a full-stack team in weeks, not months.
About BairesDev
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.
1,480+
Delivered
4,000+
On Staff
96%
Rate
500+
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.
Work with our full-stack development experts.
- Vetted Senior TalentWe 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.
- Timezone AlignedWe 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.
- Proficient in EnglishOur 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.
- Full-stack CapabilitiesWith expertise in 100+ technologies, we have every specialist your project requires.We cover architecture, development, testing, DevOps, and everything in between—reducing hand-offs and creating better architecture decisions for a smoother path from concept to production.
- Scalable TeamsOur bench strength lets you scale engineering teams to meet new demands in weeks.With 4,000+ engineers on staff and thousands more in our pipeline, we can spin up pods or scale multiple teams across your company in days—so you hit aggressive timelines without bottlenecks.
- Standard MSAs & SOWSWe’re easy to onboard because we work the way your legal team expects us to.Because we’re based in the US, we follow the same legal standards your team already trusts—using MSAs, SOWs, and documentation that fit your procurement process.
- NDAs & IP ProtectionWe take data and IP seriously, with full protection baked into every engagement.Every engagement begins with a mutual NDA and clear IP ownership terms. Our secure workflows and confidentiality protocols also protect existing codebases and proprietary data.
- Enterprise-grade SecurityOur devs follow security protocols that meet even the strictest enterprise standards.Our engineers work only within the systems they need, using strict access control, audit-friendly workflows, secure repository storage, and more—bringing enterprise-grade protection to every engagement.
- Managed DeliveryWe actively track our devs’ work to make sure they consistently meet expectations.Delivery managers monitor progress, resolve blockers, and report regularly, so you never have to chase updates or second-guess performance.
Work with our full-stack development experts.
Flexible engagement models
Need full-stack expertise?
Plug us in where you need us most.
We customize every engagement to fit your workflow, priorities, and delivery needs.
- Need a couple of extra software engineers on your team?
Staff Augmentation
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.
- Need a few teams to deliver several projects simultaneously?
Dedicated teams
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.
- Want to offload everything to us, from start to finish?
Software outsourcing
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.
Kick off full-stack 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.
FULL STACK SOLUTIONS
Build with full-stack engineers who have experience in your industry.
Our engineers have delivered across 130+ industry sectors, from fintech and healthcare to retail and logistics. That range means they understand your industry and domain.
Ship customer-facing platforms that meet regulatory requirements without slowing your release cadence.
Build solutions for:- Online banking and account management portals
- Payment processing and transaction systems
- Fraud detection and risk scoring dashboards
- Loan origination and underwriting platforms
- Trading and portfolio management tools
- Regulatory compliance reporting modules
- Insurance claims processing workflows
- KYC and identity verification services
- Financial data aggregation and analytics hubs
- Budgeting and personal finance applications
AI Experts
Work with AI-augmented developers.
Every developer we provide uses modern AI coding tools to ship faster than ever while producing cleaner, more consistent code.
FULL STACK CAPABILITIES
We cover the full stack (and everything around it).
Our engineers pair deep expertise in their specialty with range across the whole product. That combination is what great full-stack teams are built on.
Front-End Frameworks & Libraries
Back-End Frameworks & Runtimes
Services that hold up under real concurrency, data models that stay fast as volume grows, and the reliability work that keeps them running: that is the backend our engineers deliver. When a monolith needs to become services, they scope the data migration first, so the split ships without a stalled cutover.Database & Data Layer
Cloud Platforms & Infrastructure
API Design & Integration
Mobile Development
Testing & Quality Assurance
Security & Compliance
Compliance-ready security lives in the pipeline: dependency, static, and dynamic scanning in CI, secrets and access managed properly, and findings fixed before an audit turns them into executive problems. Our engineers get builds ready for regulated environments like HIPAA, PCI-DSS, and GDPR without slowing delivery.ZAP by CheckmarxSnykSonarQubeVaultAWS IAMMicrosoft Entra IDMonitoring & Observability
Metrics, logs, and distributed tracing wired together, with SLOs and alerts tuned to page someone only when it matters. Our engineers build the dashboards and runbooks your on-call team leans on to find root cause fast.DatadogNew RelicGrafanaPrometheusPagerDutySentryELK Stack
FULL STACK DEVELOPMENT PROCESS
How we deliver full-stack solutions that drive business value:
Our full-stack process turns a build into a sequence of concrete deliverables, each reviewed before the work moves on, so your team keeps visibility and control from scoping through to production and handoff.
Requirements Analysis & Scoping
Business objectives become technical specs here, with project scope, integration points, and the requirements that shape architecture decisions documented before design starts.
Technology & Architecture Selection
Our engineers weigh framework, language, and infrastructure options, then select or validate the stack against your scale, team expertise, and long-term maintenance cost.
Data Modeling & Component Design
The design comes first: data models, API contracts, and UI component hierarchies mapped so every part of the application aligns with how users and systems interact with it.
Infrastructure & Capacity Planning
Compute, storage, and networking are sized to expected load, with auto-scaling policies and traffic-spike planning that keep infrastructure costs predictable.
Development Environment & CI/CD Setup
Version control, branch strategy, build pipelines, and automated test gates go in before feature work starts, so the team ships to staging and production without manual steps.
Iterative Development & Code Review
Feature work runs in iterative sprints with code reviews on every merge, plus automated linting and incremental deployments that keep the codebase stable as it grows.
API & Third-Party Integration
Integration with third-party services, internal platforms, and partner APIs runs on versioned contracts, with a dedicated test suite validating each connection point.
Performance Optimization
Database queries, rendering paths, and API response times get tuned, then critical workflows are load-tested under realistic conditions to confirm the application meets your SLA targets.
Security Hardening & Compliance
Role-based access, encryption in transit and at rest, dependency scanning, and audit logging are configured to meet HIPAA, PCI-DSS, GDPR, and your regulatory requirements.
Testing & Validation
Automated unit, integration, and end-to-end suites run on every build, across browsers, devices, and environments. Manual QA covers edge cases before the release candidate ships.
Monitoring & Alerting Setup
Application and infrastructure monitoring ships with logging, distributed tracing, and alert thresholds tied to your SLAs, so your on-call team catches issues before users notice.
Deployment & Knowledge Transfer
Production releases include rollback plans and staged rollouts, followed by architecture documentation, runbooks, and knowledge-transfer sessions so your team owns the system fully.
Client testimonials
Get dev outcomes you can stand behind.
Our work holds up in reviews, in production, and in front of the board.
Global companies have trusted us to build and scale custom full-stack 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.
- 1,480+projects
delivered - 130+industry
sectors
America's Fastest-Growing Companies 2025 by Financial Times 
Top 100 U.S. IT Innovators 2025 by CIO100 Awards 
Nearshore North America Top Software Developers 2025 by Clutch 
Top 100 Global Outsourcing Providers 2024 by IAOP Global Outsourcing 100
What tech leaders ask about our full-stack development services:
How quickly can you staff a full-stack team?
We typically staff full-stack teams within 2-4 weeks. Our 4,000+ engineer bench includes full-stack specialists with experience across React, Node.js, Python, and cloud infrastructure. This allows us to assemble the right team quickly based on your technology stack and project requirements.
What level of experience do your full-stack developers bring?
We screen over 2.5 million applicants annually and hire the top 1%. Every engineer on our bench has 8-10+ years of production experience. Our full-stack developers have built platforms serving millions of users and architected systems spanning frontend, backend, and cloud layers. They ship across the entire stack from their first sprint.
Will your team work in our time zone and integrate with our processes?
Yes. Our nearshore full-stack teams work US business hours, communicate in English, and participate fully in your standups, sprint planning, and code reviews. We adopt your tools (GitHub, Jira, Slack), follow your conventions and deployment procedures, and operate as an extension of your team.
Do you have experience in regulated industries?
We're ISO 27001 certified and have delivered full-stack solutions for regulated industries. Our builds include encryption, audit logging, role-based access controls, and compliance with industry regulations. We've delivered projects meeting HIPAA, PCI-DSS, GDPR, and other regulatory requirements without slowing delivery.
How do you maintain team stability over long engagements?
We're structured for long-term partnerships. Most engineers stay on full-stack 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 (4,000+ engineers) allows us to add specialists or backfill roles quickly while maintaining project momentum through documentation and structured handoffs.
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.
Do your engineers use AI tools, and how do they integrate into our environment?
Yes, AI-augmented development is a standard practice. We screen for AI proficiency during hiring and constantly invest in upskilling because LLMs are evolving fast. Your environment dictates the tooling. Our engineers work within your VDI, approved toolchain, or whatever AI suite your team runs on. Whether your team uses Claude Code, Cursor, GitHub Copilot, or something else, tool choice follows your standards.
Can you work with our existing codebase instead of starting from scratch?
Yes. We regularly join projects with established codebases. Our engineers audit the current architecture, identify technical debt and performance bottlenecks, and propose incremental improvements that don't disrupt active development. Whether you need feature additions, a frontend migration, or a backend refactor, we adapt to your codebase's current state.
How do you decide between a monolith and microservices for a new project?
Architecture decisions depend on your team size, traffic patterns, and deployment cadence. A modular monolith ships faster for most early-stage products. Microservices make sense when independent teams need to deploy independently. We evaluate the trade-offs with you and recommend based on your roadmap, not a default preference.
What happens after launch? Do you provide ongoing support?
We provide post-launch support including performance monitoring, security patching, dependency updates, and feature development. Our teams review error logs and analytics to catch issues early. When post-launch needs scale, we add engineers from our bench without disrupting the existing team.
Useful Full-Stack resources
See why the biggest names in tech choose our full-stack development services.
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