Nexagil

Your Partner for Critical Software Solutions

Building Critical, Secure & Scalable Solutions

We specialize in building mission-critical systems for finance, SaaS, and enterprise. Combining solid engineering with applied AI to help businesses innovate with confidence—at the right cost.

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

Combining solid engineering with applied AI to help businesses scale faster, smarter, and more reliably

Mission-Critical Expertise

Proven experience in high-stakes environments like finance, SaaS, and enterprise systems where reliability is non-negotiable.

Strategic AI Integration

We use AI to accelerate backends and automate intelligently—always focused on ROI and business value, not just cool tech.

Fast Delivery, Robust Engineering

We combine agility with reliability. Ship fast without sacrificing quality, security, or maintainability.

Cost-Effective Partnership

Premium quality engineering without Silicon Valley pricing. Get more value for your investment.

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 Apps
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
Applied AI

Agentic AI Engineering & Secure Cloud AI

We design and operate agentic AI systems that run inside your cloud with strict data security. From tool-using agents to multi-agent workflows, we prioritize governance, privacy, and measurable business impact.

Agent architectures: tool-use, planning, and multi-agent orchestration with guardrails
Secure RAG on private networks (VPC) with vector stores and no data egress
Enterprise connectors with least-privilege access and scoped credentials
End-to-end security: VPC isolation, KMS encryption, PII redaction, audit trails
Policy guardrails, content filters, safety evaluations and approval workflows
Observability & evals: tracing, telemetry, offline/online evaluation loops
Cost controls & caching: prompt templates, response caching, and distillation
AWS BedrockAWS SageMakerAzure OpenAIVertex AILangChainLangGraphOpenAIAnthropicWeaviatePineconepgvectorOpenTelemetryKMSHashiCorp Vault
Frontend

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

Let's Talk

Ready to build something amazing? Tell us about your project and let's explore how we can help.