Nearshore enterprise integration specialists

Enterprise Integration,
APIs &
Cloud Modernization

We help regulated and mid-market companies connect mission-critical systems, modernize legacy integrations and establish secure API governance.

Schedule a Discovery Call Explore Integration Services

API-first architecture

Design APIs, contracts and integration patterns before implementation work creates new technical debt.

Integration governance

Clarify ownership, policies, documentation and lifecycle controls across critical APIs and data flows.

Legacy modernization

Modernize fragile integrations incrementally while protecting the operations they support.

Nearshore collaboration

Work with senior specialists aligned with US business hours for clearer communication and faster decisions.

Core services

Architecture-led integration services for critical systems

Talk to an integration specialist ->

4UIT focuses on enterprise integration, API architecture, API gateway governance, legacy modernization, cloud and hybrid integration, and lifecycle support.

Need governed API access to legacy or cloud systems? Explore API Gateway Consulting ->

API Architecture and Development

• API-first design, OpenAPI and documentation
• REST and SOAP services with versioning standards
• Secure implementation patterns for enterprise platforms

Cloud and Hybrid Integration

• Cloud applications, on-premise systems and partner platforms
• Queues, event flows, retries and observability
• Operational handoff, runbooks and support readiness

Governance by Design

• Authentication, policies and lifecycle controls
• API gateway patterns and access management
• Documentation, ownership and change control

Custom Software Engineering

Flutter, React, Node.js and Python for web, mobile and APIs. We build maintainable systems that scale without surprises.

Flutter Apps

iOS • Android • Web — pixel‑perfect with native performance.

React Frontends

Next.js SSR/ISR, headless CMS, shadcn/ui, high conversion.

Node & Python APIs

Express/Fastify • Flask/FastAPI • GraphQL/REST, secure by default.

Databases

PostgreSQL, SQL Server, Firebase — migrations, tuning, HA.

Operational experience across complex industries

Experience supporting regulated and operationally complex organizations

The logos shown reflect organizations and sectors where 4UIT has supported technology initiatives. They are not presented as enterprise integration case claims unless separately approved.

Mission-critical workflow experience Regulated and data-sensitive environments Architecture and operational continuity focus

Architecture-led Delivery, Predictable Execution

Step 1

Assess

Map systems, owners, data flows, risks and business outcomes before implementation starts.

Step 2

Design

Define API contracts, security assumptions, integration patterns and governance responsibilities.

Step 3

Implement

Build priority flows with testing, observability, documentation and controlled rollout.

Step 4

Operate

Support, monitor and improve the integration layer so operations keep moving.

Clients Win With 4UIT

Operations Director • Criogênesis

Criogenesis Premier

“The Criogênesis ERP brought end-to-end traceability and reliable reports. Month-end close got 55% faster.”

Close time

-55%

Accuracy

+99.5%

Fabio Nobre • Camdoy

Camdoy

“4UIT connected our USCIS-related workflows with Stripe payments, Twilio communications and internal processes into a single platform — far less fragmentation and much more control over the flow.”

Integrations

USCIS • Stripe • Twilio

Operations

Unified workflows

Aline Scalquo • Sentinel360

Sentinel360

“4UIT integrated our sensor ecosystem with the monitoring platform and internal management, centralizing data, alerts and operations into one consistent, reliable flow.”

Ecosystem

Sensors + Platform

Operations

Integrated monitoring

Want the same clarity for your next project? Talk to 4UIT.

Operational support for systems that must keep running

Discuss support scope

Microsoft 365 Administration

• User, mailbox, group and license management
• Teams, SharePoint and OneDrive configuration
• Security baseline and admin controls

Endpoint and Security Operations

• Device onboarding, monitoring and patching
• MFA, antivirus and endpoint protection
• Backup, recovery and incident readiness

Cloud and Infrastructure Support

• Cloud, hosting and integration operations
• Network, DNS and domain management
• Monitoring, documentation and support tickets

Support scopes built around your operating reality

Essential

• Microsoft 365 and account administration
• Basic security baseline and monthly review
• Remote support for common requests

Business Care

Best value

• Priority support with endpoint monitoring
• Patch, backup and access control routines
• Quarterly roadmap and risk review

Recommended for teams that depend on uptime and security.

Integration Operations

• Advanced cloud, network and integration support
• SLA-driven support and documentation
• Integration, automation and modernization backlog support

Typical inclusions

• Remote help desk, admin changes and troubleshooting
• Security checks, backup status and system documentation
• Cloud, Microsoft 365 and infrastructure coordination

Scoped separately when needed

• Large migrations, custom development and major redesigns
• Hardware purchases, licenses and third-party vendor fees
• On-site work outside the agreed service area