Why Are COBOL Programmers Still in Demand in 2026?

COBOL is useful in 2026, as business -critical mainframe systems in insurance, banking, and the government sector still rely on it. With immense capability to process billions and trillions of dollars every day securely, COBOL is the need of the hour.

Due to high cost and security issues that lies in replacing the robust system, businesses prefer to modernize it rather than completely replacing. See the actual reasons why COBOL is still in demand –

• Robust core systems
• Costly and failed migrations
• Skill gap
• Modernization opportunities

Searching for professional COBOL developers in 2026 might give off the feeling that you’re chasing something less mainstream, right?

But here’s an inside story – COBOL programming language, despite being a 90’s brainchild, is very much alive and running – because it supports business-critical applications.

Given the abundance of modern programming languages, you may wonder, do I stick to COBOL or replace it with a new-age programming language such as Python or Java?

Your decision rests on your specific business needs.

Robert Glass, an American software engineer, and writer, identified 3 ways COBOL is excellently suited for business programming rather than general purposes –

• COBOL AS400 programming stands out in handling diverse data sets, mixing strings, floating-point, integer, and decimal types, required for intricate business programs and databases.
• COBOL’s true decimal data types guarantee precise financial calculations, prominent for accounting systems
• IBM COBOL programming efficiently manages extensive external record-structured data, promising flawless business-oriented data management.

Thus, COBOL is a purpose-built language that excels at transaction processing with a remarkable amount of resiliency.

The matter of fact is that as long as some companies and leaders believe in the legacy system and choose to rely on the robustness these systems bring to business, the COBOL programming language and COBOL programmers will stay relevant.

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What is COBOL & How COBOL Developers are Relevant Today

Developed in 1959, COBOL is an acronym for Common Business-Oriented Language, is an old programming language. It is an object-oriented, imperative, and procedural computer programming language developed by IBM to run secure and efficient business operations.

While the skill gap is high today, the dedicated COBOL Programmers have the capabilities to maintain, modernize, and integrate these critical legacy mainframe systems.

Reuters says that banking systems (43%), ATM swipes (96%), and in-person transactions (80%) use COBOL code.

The COBOL programming language is mainly used in private and government institutions for administrative functions.

Also, the language is used in legacy applications like IBM iSeries for large-scale batch and transaction processing.

Let Us Take You to the History of COBOL Programming

CODASYL introduced COBOL to the world in 1959, and it was primarily developed for the US Department of Defence (DoD) to develop a portable programming language solely for data processing.

There was a rampant adoption of this language which was further standardized in the year 1968. The makers of COBOL didn’t stop there.

Till today, the COBOL programming language has been adjusted 4 times with the latest version named ISO/IEC 1989:2014.

While COBOL was standardized by CODASYL in 1959, the origins go deeper and far more relevant to business leaders today.

Grace Hopper: The Mother of Modern Business Programming

Long before businesses talked about low-code, domain-driven design, or business-readable systems, Grace Hopper introduced the idea that computers should speak the language of business, not mathematics.

Her pioneering work on –

• FLOW-MATIC,
• English-like data descriptions,
• machine-independent business syntax,

directly shaped the philosophy behind COBOL.

This is why COBOL code looks like English sentences – it was purpose-designed so non-technical business analysts in banks, insurance, and government could read, interpret, and validate logic.

Why COBOL Became the Universal Business Language

In the 1950s, almost every important bank and government agency wrote its own programming languages – an unsustainable model.

COBOL solved 3 critical business problems:

• Portability
  It could run on any vendor’s machine (IBM, UNIVAC, RCA) without rewriting business logic.
• Structured Business Data Handling
  Designed for multi-format structured records, account ledgers, batch jobs, tabular financial entry, and hierarchical reporting.
• Absolute Decimal Accuracy
  No floating-point rounding errors are critical for banking, payroll, insurance, taxes, and actuarial work.

The Domain-Specific Superpower Everyone Forgets

COBOL is not a general-purpose language – it is a domain-specific financial transaction engine.

Its language constructs directly map to business concepts:

COBOL Concept	Business Meaning
PIC 9(7)V99	Currency with exact decimals
REDEFINES	Different financial view of same record
OCCURS	Line items in invoices, claims, or ledger entries
COPYBOOKS	Standardized business rule templates
Divisions	Business workflow segmentation

Even with the development of multiple recent programming languages, the unique features of COBOL remained.

IBM says COBOL programmers  hold a special place in processing over 70% of business transactions across the globe.

Thinking, “COBOL is dead?”

Is COBOL Dead or Evolving?

It is totally wrong if anybody says the demand for COBOL developers has decreased.

In reality, the demand for COBOL programmers is growing continuously for real business transformation. Now realize that the best path forward lies in working with a custom COBOL developer firm that understands both the code and the business it supports.

Now, the question is, “Is it worth hiring COBOL experts? What ROI to expect in the long run?”

What’s the ROI of Hiring COBOL Experts?

Let’s go beyond theory and get to what really matters, it’s the results.

Here’s what strategic leaders who work with our COBOL development teams have reported –

• 40% reduction in modernization costs by refactoring vs full rewrites
• 70% fewer incidents post-implementation due to stronger documentation
• 3x faster audit readiness through code traceability and system logs
• 2x faster go-live for cloud integrations through layered modernization

These numbers reflect more than technical output. This shows that COBOL is evolving and is used by many.

Modernization wins like these don’t come from code alone; they come from disciplined execution and strong collaboration between & and technical teams.

Is COBOL Programming Still Used?
Yes, COBOL programming is a highly procedural language for managing mission-critical systems across various industries such as logistics, public sectors, banking, and other financial institutions.

With “exceptional reliability + extraordinary accuracy,” it helps modern businesses handle huge transactional processes.

No matter whether you are looking for stability, compliance, or improved performance for your business, a best COBOL modernization consultant manages advanced analytics, cloud solutions, and modern solutions all at once.

If you want to future-proof your business operations, partnering with a skilled and dedicated COBOL programmer and implementing respective modernization strategies would become a smart choice.

That’s the beauty of this g(old) programming language – AS400 COBOL has endured and continues to thrive because of its remarkable security, reliability, and transactional performance.

However, today this case has changed.

Thinking, “Why Is COBOL Not Very Popular Today?”

See the possible reasons behind the decrease in COBOL’s popularity –

• 1. The emergence of modern and more versatile programming languages.
• 2. The students wouldn’t take up the programming language, and the schools wouldn’t add it to their curriculum.
• 3. The COBOL programmers started to migrate to new platforms, and code was rewritten in modern languages, causing talent shortages.

Does this mean that the COBOL programming language for AS400 systems has come to an end?

Absolutely, not!

The above-stated facts signify the newfound emergence of COBOL AS/400 for the niche domain of business programming.

The question here is not COBOL vs modern programming languages but the strategic utilization of COBOL’s capabilities on your IBM applications.

However, most of the COBOL programmers are still there to maintain existing applications.

This supports the fact that, although COBOL programming and COBOL developers may not be popular today, it doesn’t mean that they are not available. They are serving COBOL users despite the technological enhancements of today.

Why is iSeries COBOL Relevant Despite Technological Advancements?

COBOL has been a foundation for business and transaction applications for over a decade now. COBOL was born in the era of custom-tailored programming languages, the computing era where programming languages were written for a specific purpose.

Are you thinking, ” Why hasn’t anything better replaced COBOL yet?”

To unwind this, we need to understand how COBOL was brought into operations and how it paddled the era of computing for various industries.

For banks, insurance companies, and government institutions, it was a high-cost consumption to join the computing age.

You can imagine the amount required to create a new programming language to suit their personalized systems, huge, right?

This created a demand for a Universal Business Language to run business operations more smoothly and faster.

Grace Hopper, the mother of COBOL programming, pioneered the universal business programming language that could function across business systems.

Since 1997, there hasn’t been a successor that could carry the massive batch processing as sturdily as COBOL.

Despite that, replacing billions of lines of COBOL and the cost involved is unimaginable.

Today, businesses worldwide run over 220 billion lines of code written in COBOL. It seems practically exhaustive to replace each of the business programs with a modern language without disturbing the core structure.

In comparison to today’s modern programming languages, the iSeries COBOL programming language is different in various ways and has certain limitations –

It doesn’t allow vibrant memory allocation.

No programmer wants to write compiler code in COBOL.

It doesn’t allow easy access to low-level features of the OS.

The most common forms of the AS400 COBOL programming language can’t use recursion.

In modern business terms, COBOL is a domain-specific programming language and is limited to business domains and programming.

Moving on, let’s explore what exactly COBOL programmers do.

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What COBOL Programmers Do?

COBOL programmers are the real force behind maintaining, upgrading, and debugging business legacy applications on business processing systems. Mainly, they –

• Handle daily massive batch jobs
• Manage transactional integrity
• Modernize old code

Handling core banking, insurance, and government data processing, the roles of COBOL programmers include –

• Coding COBOL Programs
• Ensure The Code Integrity
• Fine-Tuning Db2 SQL Queries
• Perform Regular Technical Analysis
• Testing COBOL Programs and Fixing Errors
• Maintaining and Designing COBOL Applications

In many use cases, COBOL programmers take input from XML, JSON, and CSV, compute the data, and store it in a database like DB2.

They would also do computing for reporting purposes using data from DB2 and send the output in the form of a document file.

The COBOL inputs stay as an application in databases, just like JAVA applications on its server.

Like any other developer, the COBOL developers sit happily in front of their Visual Studio and deploy code on the IBM iSeries AS400 mainframes.

As a COBOL programmer, if their codebase contains ten, a hundred, or a thousand lines of code, they will think of rewriting the whole code.

But not to forget that digging documentation from a couple of decades is not an easy task.

When in need of a COBOL developer, prioritize candidates who can balance new-age skills such as Cloud computing, database management, and application integration, along with iSeries COBOL programming code, instead of seeking candidates with proficiency in COBOL only.

Dive into why COBOL continues to lead in this dynamic world of programming by exploring what sets COBOL apart from modern programming languages in the modern business world.

How is COBOL Different than Other Languages?

COBOL differs from typical general-purpose languages and doesn’t perform tasks that are commonly performed in high-level programming languages.

If you’re looking for rational developers for iSeries and enjoy the perks of common languages such as C, C++, Java, etc., then COBOL is a completely different form of programming language.

Knowing that COBOL was introduced before UNIX and C saw the light of day, it isn’t surprising that its foundation is laid differently.

As the name describes, COBOL Common Business-Oriented Language) was invented for business applications.

Have a look at the list, which highlights the primary difference between the COBOL language and modern-day languages –

• In a single file, COBOL code can be very long.
• Data items are defined with a picture statement.
• Like COBOL, there is no parametrized functioning.
• Datatypes (int, float, double) are absent in COBOL.
• OOP was introduced in COBOL in the year 2002 only.
• All data items or variables are global, as COBOL calls them.
• COBOL programmers don’t provide code splitting across various channels.
• Language codes are divided into different divisions (Data, Identification, Environment, and Procedure).

Stating the uniqueness of the COBOL language from other languages, are you wondering where AS400 COBOL is being used in 2026?

Industries Demanding COBOL Developers?

Top Industries using COBOL

COBOL is used in various industries. Have a look at some significant industries:

• Software Development Companies
• Banks & Financial Institutions
• Engineering Institutions
• Transportation System
• Government Agencies
• Insurance Companies

Despite the widespread usage of COBOL, a question persists in the minds of new-age AS400 users and decision-makers, such as yourself – will this really help me in my actual project? Let’s explore.

How are COBOL Developers Beneficial for Your Project?

Other than modernizing and maintaining enterprise -grade legacy systems, COBOL Programmers helps you in –

• Ensuring stability
• Processing high-speed data
• Upholding data integrity
• Processing minute financial calculations
• Integrating with modern tech

Let’s break down four real-world use cases where hiring COBOL developers adds immediate commercial value.

When You Plan to Upgrade Green Screen Interfaces without Rewriting Core Logic

One thing to stress is that there is no need to remove legacy code to modernize your user experience.

COBOL developers preserve back-end stability through API enablement and interface decoupling to build sleek and modern UIs.

This allows your teams to deliver modern workflows to internal users or clients, without tampering with critical production logic.

When You Plan to Automate Manual Workflows

Does your team still juggle with batch jobs and is immersed in paper-based routines?

You’re wasting time and productivity.

Hiring COBOL programmers allows you to identify these workflows and automate them using schedulers, scripts, or custom tooling built into your IBM i system.

That’s operational agility delivered without rewriting systems from scratch.

When You Want to Strengthen Compliance and Risk Controls

COBOL mainframe developers have a pivotal role to play in patch management, access control management, and disaster recovery. They contribute to building robust, audit-ready systems.

In sectors where a missed decimal or delayed report could mean millions in penalties, their expertise in COBOL for legacy system modernization translates to measurable risk reduction.

When You are Focused on Modern Integration Without Losing Legacy Performance

This is what strategic modernization looks like.

Keep the core. Expand the edges.

Despite the widespread usage of COBOL, a question persists in the minds of new-age AS400 users and decision-makers, such as yourself – Is it wise to rely on COBOL or move on with trending modern languages?

Let’s explore.

Should You Hire a COBOL Programmer in 2026?

Even though modern programming languages appear to be young developers’ first choice, the world needs more languages to work on.

Why?

Because different languages are better at handling different tasks.

For example, COBOL is good at processing financial data & number crunching, while Java and C are effective for front-end UX.

The programming languages must fit the purpose, and according to the nature of the problem, there should be a language to use.

So, why are modern business leaders, such as yourself, looking for COBOL programmers instead of writing applications using modern languages?

Well, there is no harm in staying updated with the modern-day business languages, but when it comes to the security & robustness of applications, COBOL is the safest bet that business leaders prefer to take, even after 60 years.

Also, giving a thought to replacing COBOL with trending, modern languages isn’t harmful, but dreadful enough to execute due to certain factors.

Such as –

• ROI triggers
• The number of resources taken into consideration
• On top of all, the training costs to get things right

These select few factors are enough to lose the replacement appeal for any business leader.

Hiring COBOL programmers in 2026 isn’t going to be a walk in the park. You must first understand the COBOL landscape and the challenges these technology folks face firsthand.

Now, let’s understand some primary challenges COBOL programmers face.

Challenges COBOL Programmers Face

One of the most important challenges that COBOL programmers face today is maintaining billions of lines of code.

About 220 billion lines of COBOL are in use, today and you know how voluminous and complex it becomes when it’s about maintaining the code without disturbing the business functions.
The next challenge is from the business perspective.

Wherein it’s a challenge for businesses that are operating on a system built upon COBOL, it’s an added advantage for the limited-edition COBOL programmers of new and old times to increase their worth.

To build a business software upon COBOL or maintain the current one, has become a challenge with the increasing number of retired COBOL developers and the ones who are about to retire.

And let’s accept the fact that the number of new programmers who are willing to learn and adapt to COBOL is very negligible.

With more COBOL programmers retiring by every passing day, finding and retaining top-quality COBOL talent is becoming a serious concern for CTOs.

And that’s the reason the demand for COBOL programmers is increasing.

Thinking, “How do I hire COBOL programmers to maintain/upgrade my IBM i applications? How can I keep them for long on my team?”

There are typically two ways you could do that.

1st – Hire a capable team of COBOL application developers in-house

2nd – Hire COBOL experts as an extension to your in-house team by partnering with a COBOL developer company

Let’s see which approach suits you the most.

COBOL Programmers – Hire In-House or Borrow Expertise?

As we discussed, the demand is surging day-by-day.

Over 43% of enterprises still rely on COBOL-based systems, as per the Tech Workforce Survey.

If we segregate it industry-wise –

• • Finance Institutions need COBOL experts to upkeep banking transactions.
  • The insurance industry needs COBOL programmers to validate claims & support policy administration.
  • The retail & logistics industry relies heavily on COBOL application developers to keep their supply chains & order fulfillments in check.
  • Government organizations entrust COBOL programmers to upkeep the health of their legacy systems.

The demand for COBOL programmers surpasses the supply by margins.

The question remains – “Should you hire COBOL programmers in-house or borrow the expertise?”

Let’s decode both approaches.

Hiring COBOL Programmers In-House

In today’s competitive business landscape, where the demand for COBOL programmers is high, if you manage to build an in-house team of COBOL developers, there’s nothing like it!

Having an in-house team allows you –

• • Have a better hold on the project progression
  • Spot inefficiencies & discrepancies well in time
  • Keep the team culture and collaboration intact
  • Stay stress-free about the integrity and safety of data

Well, building an in-house team is a great deal, but also involves considerable friction.

Let’s understand the odds of it.

Shrinking Talent Pool

Today, 55 is the average age of a COBOL programmer.

The COBOL experts who laid the foundation for COBOL applications have either retired or are standing on the verge of retirement.

The novice developers who opt for programming aren’t inspired by COBOL dynamics as much. That’s the reason – about 70% of universities do not include COBOL in their curriculum anymore.

Still, if you manage to hire junior COBOL programmers, training them in legacy code and getting them up to speed isn’t as simple as saying it.

Lengthy Hiring Cycles

Finding the right COBOL talent, assessing the fit for the job, and then getting them up to speed – it’s a tiring cycle.

It takes about 90 to 180 days to find and hire a capable COBOL expert.

In a market like today’s, where the demand for COBOL programmers is rising, you have to be quick and lucky at the same time to find the right fit.

Rising Compensation Costs

If you want capable COBOL mainframe developers with proven experience and expertise, you must offer them lucrative compensation.

And that doesn’t end there – lucrative compensation will get them on your team. To keep them with you for a longer time, you must offer them good raises and retention benefits.

Not to leave aside, training these new hires is another overhead that you must undertake. And there’s no guarantee that they will stay for as long as you want them to.

Risk of Single Points of Failure

The single point of failure is a high-risk spot – and a wise CTO like you would never want to be at that spot.

Suppose you hire just a couple of COBOL programmers on your team – they now know your COBOL applications inside out. Your dependency on them has increased to another level.

With that high dependency, you are likely one resignation away from compromising the project progress or causing downtime. The risk is higher than you imagine.

Hiring COBOL Programmers as an Extension

Working with a COBOL developer firm or hiring COBOL programmers as an extended team is a good alternative to skipping the hiring bandwagon.

With this route –

• You don’t have to chase COBOL experts.
• You don’t have to vet them for their skill sets.
• You don’t have to train them thoroughly for the project.
• You don’t have to be involved in project management overheads.

All you need to do is find a reliable COBOL development firm like Integrative Systems and sign them up.

Working with an extended team of COBOL programmers –

• Allows you access to dedicated COBOL talent
• Let’s you scale the team size up & down as needed
• Frees you up from worries of finding the right fit for your project

You get to have peace of mind with access to a bench of COBOL programmers who specialize in IBM i, mainframe, and hybrid environments.

Thinking, “Why does borrowing expertise works the best?”

Zero Hiring Lag

You don’t have to burn your time & energy in finding the right fit COBOL experts.

The COBOL development firm allows you to handpick COBOL programmers from their ready pool of experts. You can choose and form the best possible team to look after your project.

The best part – they can start in days and not months. Unlike traditional hiring scenarios where you need to train the new hires extensively, these COBOL experts are capable of coping faster with your project needs.

Cost flexibility

You save on costs – considerably.

There are a variety of working models you can choose from.

You can go with a project-based model, monthly retainers, or a hybrid model – depending on your project requirements.

Unlike the traditional hiring where you must pay monthly wages to your team of COBOL programmers, here you pay only for what you use.

Domain-Aligned Expertise

This one puts you at a greater advantage!

If you get COBOL programmers who aren’t just experts at what they do, but bring in relevant experience in your domain of work, what more could you ask for?

Scalable teams

You don’t need COBOL programmers all year round, right?

There will be times when a single programmer can do it all.

There will also be times when you will need additional COBOL experts to meet the project needs.

The scalability leverage works just right in both scenarios. You can scale your team size up and down as per your changing project requirements.

And, this is something you can’t do with an in-house team.

Thus, working with an extended team of COBOL programmers puts you at a greater advantage.

Invest in COBOL Developers

If you’re contemplating whether it’s ideal to invest in COBOL developers today in 2026, it’s time to face reality.

About 70% of global financial transactions happen on applications powered by COBOL. The truth is, it’s not a legacy challenge to be resolved; rather, it’s the core of mission-critical workflows that continues to perform, scale, and support.

The question remains, “Why are modern leaders actively investing in COBOL programmers?”

The reason is quite obvious; when you’re deeply invested in your systems, which are smooth and running securely, business continuity & innovation are what you chase.

And hiring COBOL programmers to sustain and evolve the existing ecosystem is the best way to stay at it. Thus, the demand for COBOL developers.

Let’s understand the intricacies of the strategic value of having a vetted team of COBOL experts at your disposal and why the demand for these experts is on the rise.

COBOL Developers Help Preserve What’s Already Built

The logic hardcoded into your COBOL-based applications is more than just syntax.

It’s business knowledge.

It’s an operational nuance.

Its compliance frameworks woven into decades of system behavior.

We’ve asked numerous COO/CTOs if they have ever tried to modernize a system built using COBOL from the ground up?

We merely had someone who didn’t talk about the challenges this approach invites.

Prolonged delays, hidden bugs, unanticipated disruptions, and whatnot.

The bottom line is, wiping out years of business rules for the sake of transition isn’t a sane thing to do.

Wherein, if you have a COBOL programmer who understands your ecosystem, they would always resist the overhaul. Their primary emphasis would be on safeguarding intellectual property.

And that may be in any form like refactoring the code, maintaining detailed documentation, bridging the legacy with modern. Basically, COBOL developers choose to be that ally, to help you retain what works and evolve with the rest.

Still Running on COBOL? Let’s Make It Work Smarter
From maintenance to modernization, get expert COBOL support today.

COBOL Developers Build the Bridge to Modernization

COBOL modernization isn’t about scrapping everything and starting over.

In fact, many successful modernization journeys involve keeping COBOL at the core and enhancing it with cloud, APIs, or modern front ends.

As a trusted COBOL developer firm, our team of experienced COBOL developers and best COBOL modernization consultants specializes in progressive modernization – helping you modularize, containerize, and seamlessly connect your COBOL IBM iSeries systems with platforms like Power BI, Azure, and Salesforce.

By leveraging skilled COBOL programmers, we ensure your legacy systems continue to deliver value while unlocking modern capabilities. This hybrid approach doesn’t just save costs – it preserves context, which is critical for regulated industries like banking, healthcare, and logistics.

“But with the talent shortage, where do I find an iSeries COBOL programmer for my AS400 application development and maintenance needs?”, you may ask.

Looking for skilled COBOL developers?

Integrative Systems is the renowned place where you get a ready-to-deploy team of dedicated COBOL programmers.

Dig deeper to know us better.

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Why Choose Integrative Systems for COBOL Expertise?

IBM iSeries is a wonderful machine, and along with a modern programming environment, building applications on COBOL is not a waste of time and resources.

This niche-serving business programming language is not dying and far from dead, although the number of its lines of code is reciprocally related to the number of COBOL developers.

In a world where IT continues to power the business environment, the longevity of IBM iSeries services and the need for COBOL programmers in today’s business environment is increasing.

COBOL programmers and IBM iSeries services are here to stay for a long.

As demand will grow for non-agile and innovative systems, it will be challenging to bring any other technology on board that can merge with the existing setup. That’s where Integrative Systems can help.

• We help you succeed first by preserving your business value
• We deliver COBOL modernization solutions you can rely on
• We work as an extension of your in-house COBOL programmers team
• We map your goals with our expertise to drive measurable results
• We bring over 20 years of experience in AS/400 (IBM i) development and have worked across banking and finance, insurance, manufacturing, distribution, and retail.

Partnership/Certifications

Reasons to choose Integrative Systems for your AS/400 (IBM i) and COBOL development and support needs.

We are not a generalist software shop. We’re an IBM i-first company with decades of focus on AS400 COBOL programming, modernization, and enterprise application support.

From large banking institutions to logistics providers and manufacturing brands, we help clients retain the resilience of COBOL while expanding their technology capabilities.

Our team of COBOL applications developers, modernization architects, and compliance experts is structured to help you unlock agility without compromising on system continuity.

If you have any queries regarding the iSeries services or need COBOL programmers for your project, feel free to connect with IntegrativeSystems at contact@integrativesystems.com.

Frequently Asked Questions

Which companies offer COBOL programming consulting services

Various IT services firms provide COBOL programming consulting; Integrative Systems is one such firm that consistently stays ahead. Its services include legacy system maintenance and modernization to cloud migration, in the banking and insurance sectors.

What are the tools COBOL programmers use for development?

COBOL developers use various tools; common ones include IBM COBOL, GnuCOBOL, and Visual Studio Code.

Is COBOL better than Python?

Yes, COBOL is superior in various capabilities, such as processing speed, security in transactional processes, and other legacy business tasks, whereas Python is more into modern applications.

Do banks still use COBOL?

Yes, banks use COBOL, as it is exceptionally efficient in processing a lot of transactions at a time. COBOL is the backbone of financial institutions; it becomes riskier when you replace these legacy systems.