Nexagil

Reliable Cloud Systems for US Companies

Secure, scalable, and affordable cloud development

Trusted freelance software development team. All projects under NDA.

What We Deliver

Nexagil is the trusted partner for companies that need secure, cost-efficient, and highly available systems. From backend to frontend and beyond.

Scalability & Reliability

Architectures built to handle growth without sacrificing performance or uptime.

Security & Compliance

Enterprise-grade practices to protect data and ensure business continuity.

Business Value Delivery

Modern solutions that optimize costs while accelerating processes and results.

Ready to discuss your project?

Why Choose Nexagil

Trusted cloud stack and proven engineering practices

Trusted Freelance Partnership

Direct communication with senior engineers. No middlemen, no outsourcing. Your project handled by our own team.

Cloud Systems with Confidence

Reliable, secure, and scalable cloud infrastructure. Built with proven technologies and best practices.

Affordable Pricing

Pay only for what you need. Transparent pricing with no hidden costs. Better value than traditional agencies.

U.S. Business Focus

US-friendly timezone, English fluency, and understanding of American business needs and regulations.

Technical Expertise

Our core competencies and proven technologies

Backend & APIs

High-Performance Backend Development

We build robust, scalable backend systems using Golang and modern microservices architecture. Our APIs are designed for speed, resilience, and security.

Golang microservices with sub-10ms response times

RESTful and GraphQL API design

High-throughput message queues and event streaming

Distributed systems and caching strategies

API security, rate limiting, and authentication

GolangNode.jsgRPCGraphQLRabbitMQRedisEvent-Driven AppsColibri SDK Go

Cloud & Infrastructure

Cloud-Native Architecture & DevOps

Expert deployment and management of cloud infrastructure with focus on reliability, observability, and cost optimization.

AWS and GCP infrastructure design and deployment

Kubernetes orchestration and container management

Infrastructure as Code with Terraform

Comprehensive monitoring with Prometheus & Grafana

CI/CD pipelines for rapid, safe deployments

AWSGCPKubernetesTerraformDockerPrometheus

AI-Assisted Development

AI-Assisted Development Tools

We use AI internally to accelerate development and improve code quality, but our core value is solid engineering, not AI products. AI is a tool in our toolkit, not our main offering.

AI-powered code generation and review for faster development cycles

Intelligent testing and debugging assistance for higher quality code

Automated documentation and code analysis for better maintainability

GitHub CopilotCode Review ToolsTesting AutomationDocumentation Tools

Frontend

Frontend Development

Modern Web, Mobile & Desktop Interfaces

We craft engaging experiences across web, mobile (React Native), and desktop (Tauri), balancing performance, security, and UX.

React.js and Next.js for high-performance web applications

React Native for iOS and Android with shared UI and logic

Secure desktop apps with Tauri (small footprint, native capabilities)

Real-time interfaces (WebSockets/SSE) and offline-first patterns

Data visualization, dashboards, and design system integration

Accessibility (WCAG) and SEO best practices for web, Store-ready UX for mobile

ReactNext.jsTypeScriptReact NativeExpoTauriTailwind CSSFramer Motion

Full Stack

Full Stack Solutions

End-to-End Development Solutions

Complete full-stack development using Ruby on Rails, Node.js, Next.js, and Vite for rapid, scalable web applications.

Ruby on Rails for rapid backend development and API creation

Node.js for high-performance server-side JavaScript applications

Next.js for full-stack React applications with SSR and SSG

Vite for lightning-fast frontend development and build processes

Seamless integration between frontend and backend systems

Modern development workflows with hot reload and optimized builds

Ruby on RailsNode.jsNext.jsViteExpress.jsPostgreSQLMongoDBRedis

About Nexagil

Nexagil is a trusted freelance software development team based in Brazil. We build cloud systems for U.S. businesses and startups that value reliability, security, and clear communication. Every project is handled by our own engineers — no middlemen, no outsourcing.

We understand the unique challenges of building systems for U.S. markets. Our nearshore location gives us the advantage of U.S.-friendly timezones while providing cost-effective solutions without compromising on quality or security.

Brazil-Based

Located in Brazil with US-friendly timezone overlap

US Timezone

Working hours aligned with US business hours

Senior Engineers

Experienced team with no outsourcing or middlemen

English Fluent

Clear communication in English for US clients

Let's Build Your Next System Together

Ready to get started? Book a free consultation or reach us on WhatsApp. Let's discuss your project and build something great.

WhatsApp: +55 48 98823-5374

Available Monday to Friday, 9 AM - 6 PM (BRT)

All Projects Under NDA

Your data & code stay with you

Complete Confidentiality

All projects protected by comprehensive NDAs

Private Infrastructure

Dedicated cloud environments available

Full Code Ownership

You retain 100% ownership of all deliverables

Secure Communication

Encrypted channels and secure data handling

At Nexagil, we maintain the highest standards of confidentiality and security. We are committed to protecting our clients' sensitive information and proprietary systems. For security and legal reasons, we do not disclose any information about our clients or the specific work we perform. Our strict confidentiality protocols ensure that your business operations, technical implementations, and strategic initiatives remain completely private and secure.