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What’s the difference between IT and software development?

Quick answer: IT (information technology) covers everything that keeps a company’s technology running: infrastructure, networks, support, security and data. Software development is a specialty within IT that designs, builds, tests and evolves software. In short, IT keeps technology working; software development creates the systems that run on it.

When a company decides to launch an app, connect its ERP to a partner or modernize an aging platform, the request often lands on the IT team’s desk as if the two were the same thing. They are not, and mixing them up leads to missed deadlines, misjudged budgets and overloaded teams.

The industry where this decision plays out is large and still growing. Brazil’s ICT macro-sector closed 2025 with 2.125 million formal jobs, adding 31.3 thousand positions in the year, according to Brasscom, the Brazilian association of IT and digital technology companies. Even so, hiring and organizing technology teams remains a challenge for anyone leading this area.

In this guide, you will see what each area does, where they overlap, who should do what inside your company and when it makes sense to bring in an external partner.

Hand typing on the backlit keyboard of a laptop, with a screen in the background showing a workflow of connected blocks, representing software development.

What is IT (information technology)?

IT is the set of people, processes and tools that keep an organization’s technology stable, secure and connected. It looks after what sustains daily operations: computers, servers, networks, access, databases and information protection.

The most common IT areas are:

  • Infrastructure: servers, networks, cloud and devices;
  • Technical support: handling tickets and resolving incidents;
  • Information security: protecting systems and data, access policies and regulatory compliance;
  • Data: database administration, analytics and business intelligence;
  • Management and governance: planning, budgets, contracts and aligning technology with strategy.

Note that “IT” also names an economic sector. Brasscom works with the concept of an ICT macro-sector that groups ICT companies, in-house IT teams and telecom. So when someone says they “work in IT,” they may mean an internal department or a technology company.

What is software development?

Software development is the work of creating, maintaining and evolving software. While IT looks after the structure that supports systems, development works directly on designing and building the solutions themselves.

The work follows a cycle that usually includes:

  1. Requirements gathering: understanding the business problem, the users and the required integrations;
  2. Architecture and design: defining the technology stack, the data model and prototypes of the experience;
  3. Coding: building features, usually in short cycles (sprints);
  4. Testing and quality assurance (QA): validating what was built before it goes to production;
  5. Deployment and evolution: releasing, monitoring and continuously improving the system.

The output of this cycle includes web systems and platforms, mobile apps, API integrations, custom ERPs and AI-powered solutions. The roles involved include front-end, back-end and mobile developers, systems analysts, software architects, UX/UI designers, QA professionals, DevOps engineers and Product Owners.

IT vs software development: the main differences

The simplest way to separate the two is to look at the problem each one solves. IT answers the question “is everything working and secure?” Development answers “what do we need to build, and how?” A comparison by CDI College of IT infrastructure, cybersecurity and software development uses the same logic: keep systems running, protect them and build new ones.

Criteria IT Software development
Scope All of the organization’s technology Creating and evolving software
Question it answers “Is everything working and secure?” “What do we need to build, and how?”
Activities Infrastructure, networks, support, security, databases, asset management Requirements, design, coding, testing, deployment and evolution
Deliverable A stable, available and secure environment A system, app, integration or platform
Typical roles Support analyst, network and systems administrator, security specialist, IT manager Developer, systems analyst, architect, QA, UX/UI, DevOps
Pace Continuous and operational (tickets, monitoring) Project-based, with incremental deliveries
How it is measured Uptime, incidents, response time Delivery time, quality, bugs and business results
Relationship Maintains the base on which systems run A specialty within IT that depends on that base

The relationship is one of part and whole: all software development is part of IT, but not all IT work involves building software. Treating the two as opposites is a mistake; they complement each other.

Where IT and software development meet

In practice, the boundaries are looser than the table suggests. There are four points where both areas work side by side:

  • Cloud: IT defines and manages the environment; development builds applications designed to run on it.
  • DevOps: a practice that brings development and operations closer to speed up delivery and reduce failures in production.
  • Security: IT sets policies and controls; development applies secure coding practices and fixes vulnerabilities.
  • Data and integrations: development creates the APIs that connect systems; IT ensures the network, access and environments they need.

When these areas work in isolation, the classic bottlenecks appear: the system is ready but has no suitable environment to go live, or the infrastructure is updated without anyone warning the team that maintains the applications.

Practical examples: who solves what?

Three everyday situations help make the difference clear.

1. “The network is down and nobody can access the ERP.” This is an IT problem: infrastructure, network and support.

2. “We want an app so our field reps can log orders.” This is software development: requirements, design, coding, testing and release. Projects like this need a full team, from architect to QA, and often exceed the capacity of an IT group focused on operations. It is the kind of delivery a software factory takes on end to end.

3. “We need to connect our ERP to the payment gateway.” This involves both: development builds the integration (APIs), and IT ensures network, security and environments.

Who does what inside your company?

To build or evolve systems, a company has three main paths. Each distributes responsibility differently.

Model How it works When it makes sense Who manages day to day
In-house development team Direct hiring Core product, constant evolution and technical leadership in house The company
Staff augmentation Vetted professionals join your team Growing backlog, specific skill sets, demand peaks The client
Software factory The vendor takes over the full cycle: discovery, architecture, design, development, testing, deployment and evolution A project with a clear goal and no internal team to lead development The vendor; the client follows deliveries and metrics

The central difference is who answers for the result. With staff augmentation, the client directs the work and sets priorities. With a software factory, the company defines the business goal and the vendor handles the entire cycle, so the client follows deliveries, metrics and results without managing developers. For a detailed comparison, read Software factory vs outsourcing: which model is best in 2026.

At NextAge, the Software Factory can be contracted in three formats: fixed scope (price and timeline defined for an approved scope), dedicated squad (a team exclusive to your product, with a fixed monthly fee and SLA) and support and evolution (a dedicated team that maintains and evolves systems in production). In all of them, the code, the repository and the documentation belong to the client.

This setup also helps explain a recent market movement: according to Brasscom, 57% of the growth in ICT professionals in 2025 came from sole proprietors and informal workers, which shows that companies are combining different ways of accessing technical capacity.

Signs it is time to strengthen development

Companies do not always notice when a problem stopped being an IT issue and became a development issue. Some warning signs:

  • The IT team spends most of its time on tickets, leaving little for projects;
  • The backlog of improvements and fixes only grows;
  • Any change to the system takes weeks and creates new errors;
  • Only a few people understand the code, and one departure puts operations at risk;
  • The current system does not integrate with partners, payments or new channels;
  • Important projects stall for lack of specialists.

Many of these symptoms share a cause: technical debt, which builds up when short-term decisions leave a system fragile and expensive to maintain. The bill is usually high. A Flexera survey cited in a Red Hat whitepaper found that IT organizations spent, on average, 64% of their budget just keeping the current environment running, leaving little for innovation.

In one NextAge case, a fashion and luxury marketplace operating in 12 countries had accumulated more than 1,400 cataloged bugs because its internal team was focused on new products. With an agile squad of senior QAs and developers, the company cleared 89% of the backlog and resolved 100% of critical bugs. If you suspect your system is in a similar position, a good first step is to talk to a NextAge specialist.

Practical tips for managers

  1. Start with a Discovery. Before choosing a contracting model, map goals, users, processes, integrations and risks. The result is a clear scope, a prioritized backlog and a realistic estimate of timeline and investment. NextAge does this in its Deep Discovery stage.
  2. Separate demands by nature. Record what is operations (support, infrastructure, security) and what is building (new systems, integrations, modernization). Each requires different profiles, metrics and budgets.
  3. Define who answers for the result. If your team lacks the capacity to manage development, choose a model in which the vendor owns delivery, with an SLA and clear metrics.
  4. Do not leave quality for the end. Require dedicated QA, automated testing and code review from the first deliveries. NextAge’s Quality Center is an example of this kind of structure.
  5. Plan for life after launch. Systems in production need fixes, improvements and monitoring. Application managed services keep a project from becoming the next legacy system.

AI and the line between IT and development

Artificial intelligence is bringing the two areas even closer. Brasscom projects that Brazil may see up to R$2 trillion in technology investment between 2026 and 2029, with cloud and AI at the center. For IT, this means more infrastructure, data governance and security. For development, it means building AI into products and into the construction, testing and documentation process itself.

When evaluating a development partner, it is worth asking how AI is integrated into the process, what the concrete gain is and how it shows up in timeline and cost. NextAge also builds AI agents integrated into its clients’ systems.

Frequently asked questions

Is IT the same as software development?

No. IT is the broad area that handles infrastructure, networks, support, security and data. Software development is a specialty within it, focused on creating and evolving software. All development work is part of IT, but not all IT work involves building systems.

Is a developer part of the IT team?

Yes. A developer is an IT professional who specializes in software. In larger companies, developers usually sit in an engineering or product group, separate from infrastructure and support, but the two depend on each other: software needs secure infrastructure to run, and infrastructure exists to support systems.

Should our IT team or a software company build our system?

It depends on capacity and project type. An internal IT team is usually the best choice for operations and support. For a new system or a legacy modernization, the options are an in-house development team, staff augmentation or a software factory, which takes on the full delivery.

What is the difference between infrastructure, security and development?

Infrastructure keeps systems, networks and devices running. Security protects those systems and the data that moves through them. Development builds the applications and tools people use. They are three IT fronts that solve different problems and need to work together.

What is the difference between a software factory and staff augmentation?

With a software factory, the vendor is responsible for delivery and manages the team. With staff augmentation, vetted professionals join your team and follow your management. The right choice depends on the type of demand and how much control the company wants to keep.

Do I need an in-house IT team to hire a software factory?

Not necessarily. With the NextAge software factory, the company defines the business goal and the factory team handles the whole cycle; you follow deliveries, metrics and results without managing developers. An internal IT team helps with infrastructure, access and integrations.

How much does it cost to hire a software factory?

It depends on scope, integrations, platforms and the engagement model. That is why the path usually starts with a Discovery, which produces a realistic estimate of timeline and cost before development begins.

Conclusion

IT and software development do not compete: one keeps technology working, the other creates what the company needs to grow. The key is recognizing when a demand has stopped being operations and become building, because each requires different profiles, processes and metrics.

If your company has a system to create, integrate or modernize and no team to lead that development, tell a NextAge specialist about your challenge. NextAge is a software factory based in Curitiba, Brazil, serving companies around the world with remote teams. Talk to us and start with a Discovery.

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