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Arg Software

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Architecture-first. Production-ready.

At ARG Software, we transform complex technical challenges into resilient, high-performing digital products. As an architecture-first development boutique based in Portugal, we go beyond simply writing code, we engineer production-ready foundations built to endure.

We are a collective of senior engineers who have shipped mission-critical systems across finance, fintech, and the nonprofit sector for organizations like the Gates Foundation, J.P. Morgan, Interledger, and Filecoin.

  • Min project size
    $5,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    2 - 9
  • Year founded
    Founded 2020

Overview by:

Reviewer avatar
Jose Antunes
Software Engineer About the Team

Service Lines
AI Development
15%
Custom Software Development
15%
AI Agents
10%
API Development
10%
DevOps Managed Services
10%
Generative AI
10%
Mobile App Development
10%
Web Development
10%
IT Staff Augmentation
5%
Microservices Architecture Services
5%
Select Focus Area
AI Expertise
Chatbots & Conversational AI
55%
AI Recommendation Systems
20%
Voice and Speech Recognition
15%
Cognitive Computing
5%
Machine Learning
5%
Application Platforms
Other app platform
30%
Azure Platform
15%
Google app engine
15%
Heroku
15%
Windows server
15%
Amazon Application Development Framework
10%
AI Agent Development Focus
AI Agent Frameworks
50%
AI Agent Platforms & Builders
30%
Voice AI Agents
20%
AI Agent Purpose Focus
Marketing AI Agents
20%
Digital Workers AI Agents
15%
Recruitment & HR AI Agents
15%
Education AI Agents
10%
Finance AI Agents
10%
General Purpose AI Agents
10%
Translation AI Agents
10%
Web Scraping AI Agents
10%
AI Platform Integration Focus
Google Workspace AI Integration
55%
Hubspot AI Integration
45%
AI Technologies & Models
Anthropic
30%
Open AI GPT-3
30%
Hugging Face Bloom
20%
Facebook OPT
10%
Stable Diffusion
10%
API Type
REST API
30%
OPEN API
20%
RPC API
20%
Webhook API
15%
Partner API
10%
SOAP API
5%
CMS Focus
Netlify
70%
Drupal CMS
15%
WordPress CMS
15%
DevOps Focus
DevOps CI/CD Services
20%
Devops Assessment & Strategy Planning
20%
Release & Version Management
20%
Containerization & Orchestration
15%
DevOps Consulting
15%
DevOps Maturity Audits
10%
Frameworks and CMS
.NET
20%
NodeJS
20%
React
20%
Angular
15%
NextJS
15%
React Native
10%
Generative AI Focus
AI Code Generation
25%
AI Music Generation
20%
AI Speech Generation
20%
AI Text Generation
20%
AI Image Generation
15%
Mobile Focus
Enterprise Mobile App Development
20%
Financial Mobile App Development
20%
Productivity Mobile App Development
15%
Publishing & Digital Content Mobile App Development
15%
Consumer Mobile App Development
10%
Health & Wellness Mobile App Development
10%
Travel & Lifestyle Mobile App Development
10%
Mobile Platforms
Hybrid & cross platform apps
60%
Android App Development
20%
iPhone iOS App Development
20%
Microservices Focus
Microservices Integration
20%
Microservices Testing
20%
Microservices Consulting
15%
Microservices Development
15%
Microservices Maintenance
15%
Microservices Migration
15%
Programming & Scripting
JavaScript
20%
ASP.NET
15%
C#
15%
SQL
15%
Typescript
15%
Python
10%
Redux
10%
Industries
Financial services
30%
Arts, entertainment & music
20%
Hospitality & leisure
15%
Manufacturing
15%
Consumer products & services
10%
Education
10%
Clients
Midmarket ($10M - $1B)
50%
Small Business (<$10M)
35%
Enterprise (>$1B)
15%

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Our Story

We are Arg Software, an architecture-first studio founded in 2020 by engineers Jose Antunes and Rui Rocha. Built from a long, production-tested partnership across engineering, telecom, product and architecture, our small team emphasizes quality over headcount. We deliver durable software with a trusted network of collaborators, growing by client trust and project fit rather than scaling for scale’s sake.

Meet the Team

Jose Antunes

Jose AntunesSoftware Engineer

José Antunes is a software engineer and technology leader at Arg, focused on building scalable digital products and helping companies turn complex ideas into reliable, high-performance software that delivers real business value.

What Sets Us Apart

Architecture-First Engineering

We design for scale, security, and maintainability from day one—not as an afterthought. Our team builds production-ready systems with solid foundations that can evolve as your business grows.

Proven in Production

We don’t just build prototypes. We’ve delivered systems across 6 countries, handled 2,000+ transactions per second, and completed 1,000+ production deployments. We bring hands-on experience solving complex, real-world engineering challenges.

A Partner, Not Just a Vendor

We work closely with startups, scale-ups, and established companies from initial idea through long-term product evolution. We combine senior technical expertise with a pragmatic, business-focused approach to ship the right solution—not unnecessary complexity.

Quick Facts

6 years in business

Tools and Technology

Slack
Zoom
Jira
Notion
Zapier
GitHub
Bitbucket
CircleCI
AWS
Docker
Kubernetes
Datadog

Commonly Asked Questions

2

We’re especially interested in projects where strong engineering can make a meaningful difference—whether that means building a new product from the ground up, modernizing an existing platform, or solving complex scalability and performance challenges. Presently, we’re particularly excited about the following: - AI-powered products and integrations that turn emerging technology into practical business value. - Complex web and cloud platforms that require thoughtful architecture, scalability, security, and high performance. - Ambitious MVPs and product rebuilds where we can work closely with the team from technical strategy through production and long-term growth. We’re at our best when the challenge goes beyond simply writing code and gives us the opportunity to help shape the architecture, product, and technical direction.

We work as an extension of our clients’ teams, with direct communication, shared ownership, and full transparency throughout the project. We typically start by understanding the business goals, product requirements, and technical constraints before defining the right approach. From there, we work iteratively, shipping in focused cycles, sharing progress frequently, and adapting priorities as we learn. Clients work directly with the people building their product, keeping communication fast, decisions clear, and unnecessary layers to a minimum. Whether we’re leading the technical direction or integrating with an existing team, the goal is the same: build together, not just deliver against a specification.

Our project management process is lightweight, transparent, and built around delivering working software consistently. We typically break projects into clear milestones and short development cycles, with priorities agreed together and progress visible throughout. Regular check-ins, demos, and async updates keep everyone aligned without adding unnecessary meetings or process. We continuously review scope, technical decisions, risks, and priorities as the project evolves. This allows us to respond quickly to new information while keeping delivery predictable and focused on the outcomes that matter most. The goal is simple: clear ownership, fast feedback, no surprises, and steady progress from kickoff through production.

We don’t define success by a single percentage or generic ROI figure. Every project has different goals and economics. Instead, we establish measurable outcomes with each client, whether that’s faster time to market, improved performance and reliability, lower infrastructure or maintenance costs, increased conversion, or the ability to scale without rebuilding the product. Our focus is on creating long-term technical and business value: shipping production-ready software, reducing technical risk, and building systems that continue to perform as the business grows. Where ROI can be measured directly, we work with clients to track the metrics that matter from the start.

Contact Arg Software

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