5 Key Steps for Modernization of Legacy Banking Functions | Digital Noch

5 Key Steps for Modernization of Legacy Banking Functions | Digital Noch

Over time, the efficiency of legacy banking functions has decreased considerably. Bugs, errors, and essential issues come up, inflicting these apps to turn into so outdated that they not meet the calls for of the digital age. With the fast developments in expertise and the ever-increasing expectations of shoppers, it has turn into important for banks to supply on the spot monetary providers, or else they change.

Our consultants perceive the significance of banking app modernisation within the aggressive market and might breathe new life into your legacy system to make it a frontrunner within the trade. Let’s discover how we’ve got aided quite a few BFSI enterprises in modernising their banking and monetary apps efficiently.

Advantages of Modernising a Legacy Banking System

Upgrading an outdated platform might be time-consuming and require substantial dedication, because it entails meticulous planning, cautious evaluation, and thorough testing. Nonetheless, the advantages of legacy modernisation can outweigh them:  

1. Modern Digital Capabilities

Integrating rising, cutting-edge software program into older methods might be time-consuming, labour-intensive, and even inconceivable at a time. 

By modernising legacy methods, banks can keep suitable with synthetic intelligence (AI), machine studying (ML), huge knowledge, and open banking APIs, enabling them to innovate and supply new providers that resonate with right this moment’s tech-savvy prospects.

2. Optimised Prices

As per McKinsey’s findings, medium-sized banks can doubtlessly save $100 million by selecting progressive modernisation or transitioning to extra advantageous digital banking choices.

At first look, transitioning your banking codebase to a contemporary different might sound expensive. Nonetheless, when contemplating the benefits, you’ll realise its substantial worth as a result of optimised prices when sustaining and addressing points in trendy banking apps.

3. Improved Buyer Expertise

Legacy-core banking methods typically have out of date consumer interfaces and options that lack responsiveness and optimisation for contemporary gadgets and browsers. This deficiency can result in a poor consumer expertise, notably for these utilizing digital channels comparable to cellular gadgets and net browsers to entry banking providers.

With trendy methods in place, you’ll be able to enhance cellular banking app design and supply revolutionary options comparable to AI chatbots, cardless funds, personalised monetary recommendation, and so on. This allows you to present a seamless and handy banking expertise to prospects, finally bettering buyer satisfaction and loyalty.

Learn extra: 7 Modern Options for an Distinctive Cell Banking App

4. Tighter Safety

Counting on outdated infrastructure exposes your financial institution to safety vulnerabilities. As a consequence of their reliance on out of date applied sciences, these methods turn into vulnerable to breaches by hackers searching for to steal delicate knowledge or disrupt operations. 

Nonetheless, with a contemporary banking platform, you’ll be able to utilise cutting-edge instruments to deal with safety threats and swiftly reply to knowledge breaches. Moreover, banks will get entry to the progressive legacy methods that think about compliance laws via their hybrid cloud supply mannequin.

Important Steps for Modernising Banking Functions

To efficiently modernise banking apps, banks and monetary establishments must observe a sequence of important steps. This course of ensures a easy transition from legacy methods to trendy methods, lowering disruption to operations and maximising the advantages of modernisation.

Step 1: Consider Your Legacy Banking Structure

Reflecting on the banks’ earlier struggles with outdated methods, Gartner suggests assessing these methods based mostly on every of the six key parts:

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  • Enterprise drivers (Enterprise Worth, Agility, and Enterprise Match):  When your current legacy software fails to align with the evolving necessities of digital enterprises, modernisation turns into crucial.
  • IT drivers (Price, Complexity, and Threat): When the general possession bills are extreme, the expertise proves overly intricate, or compromises come up in safety, compliance, assist, or scalability, then it’s time to improve.

By conducting an intensive analysis, banks could make knowledgeable choices about which methods to modernise and the right way to prioritise their modernisation efforts.

Step 2: Outline the Points

If the present legacy system would not align with the present-day organisational or IT necessities, you will want to refine the issues additional. It’s a necessity to pinpoint the exact causes for the inconvenient consumer expertise. This entails concentrating on particular consumer situations.

Nonetheless, inside this technique, it is equally essential to determine the strengths of the legacy software program. Gaining perception into what works and what doesn’t within the out of date banking app to assist determine the modernisation method.

Step 3: Choose Your Applicable Modernisation Method

There are 4 choices out there for modernising outdated banking software program. Let’s delve deeper into every of those options.

  • Full software program alternative

This technique entails utterly changing the present legacy banking app with a up to date answer. Though the total alternative of software program may demand extra time and assets, it provides the benefit of beginning anew with the newest applied sciences and prevailing trade requirements. This empowers banks to develop a system that’s customised to its present necessities, devoid of any limitations imposed by out of date software program.



– Utilisation of cutting-edge applied sciences and frameworks

– Larger alignment with the present enterprise processes and necessities.

– Removing of technical obligations and legacy constraints.

– Vital bills and useful resource calls for

– Potential complexities in migrating knowledge

  • Incremental modernisation

The incremental modernisation course of entails the gradual enhancement of various parts inside legacy banking software program. This technique helps mitigate the danger of full system failure and permits the financial institution to uphold important capabilities whereas enhancing different areas. It serves as a practical and environment friendly method to updating software program methods with out disrupting the financial institution’s day by day operations.



– Minimised dangers and simplified change administration.

– Adaptability to sequence updates based mostly on enterprise priorities.

– Quicker introduction of recent enhancements with out necessitating a whole system halt.

– Potential difficulties in guaranteeing seamless integration between current and new modules.

– Prolonged timeline to attain a completely modernised system.

– Threat of accumulating additional technical debt if not successfully managed.

  • Service-Oriented Structure (SOA)

Embracing a service-oriented structure entails dividing the present banking app into extra minor providers that may be up to date or changed independently. By doing so, every service can carry out sure capabilities and work together with others via APIs (Software Programming Interfaces).



– Flexibility in updating separate providers.

– Enhanced incorporation of third-party providers and APIs.

– Simplified upkeep and elevated scalability.

– Extra problem in overseeing a distributed structure.

– Potential extra efficiency load resulting from inter-service communication.

– Calls for cautious technique to stop producing intently interconnected parts.

Migrating legacy banking software program to the cloud can yield quite a few advantages, together with enhanced scalability, elevated availability, and improved cost-effectiveness. Cloud service suppliers supply a broad spectrum of providers that may improve the software program’s functionalities.



– Scalability to deal with quite a few workloads.

– Improved catastrophe restoration and knowledge duplication.

– Decreased bills for {hardware} and infrastructure upkeep.

– Potential compatibility issues with present software program and integrations.

As you establish which legacy software program modernisation choice to embrace, think about your company’s explicit necessities, funds, and long-term objectives.

Step 4: Select Dependable Applied sciences and Modernisation Accomplice

To expertise the constructive affect of IT legacy modernisation, it’s mandatory to make sure that your software program improvement workforce is utilising a good and top-notch tech stack for banking app improvement. The very best apply right here is to decide on expertise that matches your product’s distinct traits and enterprise aims.

It’s value contemplating working intently along with your inner engineering workforce or searching for recommendation from an skilled monetary providers consulting agency. To maximise the time-to-market of your modernisation mission, you’ll be able to search for a devoted software program improvement workforce that’s proficient in leveraging Agile and DevOps practices and has experience in re-engineering expertise for BFSI organisations.

Step 5: Define a Publish-Modernization Technique

Implementing software program engineering greatest practices all through your IT division can stop you from encountering the identical points that led you to redevelop your current system. Due to this fact, clear and readable code, coupled with well-designed element structure and complete mission documentation, will make your banking app effortlessly testable, maintainable, and scalable in the long run.

Moreover, banks and monetary establishments ought to think about how their staff from totally different departments will undertake the brand new system. Since they might require a while and assist to turn into accustomed to the modernised system, you’ll be able to put together some workshops and coaching programs to expedite the method and enhance their efficiency.

Precedence Facets for Banking System Updating

In relation to modernising legacy banking methods, a software program backend is probably the most affected. Listed below are some distinct areas that must be thought-about most:

1. Knowledge Governance & Administration Platform

Legacy methods typically result in stranded or uncollected knowledge, hindering banks from successfully competing with different digital gamers, implementing superior analytics-based options, or experimenting with predictive analytics, AI, and ML.

Incumbent banks can’t carry out real-time enterprise intelligence and superior huge knowledge evaluation with their outdated system except they set up a strong knowledge administration platform.

Shifting to a unified knowledge platform might considerably improve knowledge traceability, accountability, and, subsequently, reporting capabilities to help banking establishments in remaining compliant with the newest trade laws. Furthermore, this additionally makes the cost system structure turn into extra resilient to safety vulnerabilities. 

2. Knowledge Migration and Transformations

In relation to modernising an older system, knowledge migration is probably the most essential step in guaranteeing the integrity of all current knowledge. Cloud computing has made substantial leaps when it comes to effectiveness, affordability, and safety, leading to new alternatives for banks.

One clear motive for transitioning to the cloud entails the substitution of outdated and difficult on-premises legacy methods, together with the discharge from the costly cycle of apparatus alternative and upgrades.

Transitioning to quite a lot of cloud providers and supply fashions comparable to SaaS, IaaS, and PaaS can allow you to progressively unbundle your legacy software program with out important operational disruptions. A roadmap for knowledge migration on the cloud consists of:

  • Laying a cloud basis
  • Assessing your app portfolio
  • Planning your knowledge migration
  • Remodeling and validating the information
  • Conducting testing and acceptance

3. IT Structure Optimization

The truth is,  it may not be sensible for almost all of banks to utterly step away from the legacy core banking methods as a result of elevated dangers concerned. In these situations, an alternate method is to systematically disentangle and modularise a banking IT structure. A strong IT governance course of is important for a profitable evolution. This consists of:

  • Discount of duplication and pointless processes
  • Guaranteeing that your organization objectives and technical competencies are well-aligned
  • Constructing a standardised expertise portfolio, which is simpler and significantly cheaper to keep up
  • Adopting a cohesive technique for danger, compliance, and safety administration.

4. DevOps/SecOps

Whereas it is important to disentangle legacy methods, the software program improvement course of ought to, conversely, be consolidated to attain enhanced efficiency.

DevOps, at its core, is about connecting your improvement, operations, and high quality assurance capabilities. Implementing DevOps practices can speed up the discharge of recent merchandise to the market with out compromising their high quality.

The important thing rules of DevOps that you need to observe are:

  • Set up extra operations and QA through the early levels of the software program improvement lifecycle (SDLC) to scale back the dangers of expensive rework after that.
  • Undertake automation testing within the improvement and supply pipelines to scale back bottlenecks and speed up the method.
  • Think about core software program metrics, comprising deployment frequency, supply lead time, time to restoration, and alter failure charge.
  • Collect suggestions, assessment metrics, and repeatedly put money into extra course of enhancements.

SecOps is the subsequent step for banks striving to fulfil safety by designing compliance mandates, the logical development. Incorporating safety testing on the outset of the applying improvement course of can considerably scale back the probability of safety breaches in deployed merchandise, thereby averting expensive penalties.


Modernising legacy banking methods is not an choice however a necessity for banks to remain aggressive in right this moment’s digital panorama. By following the important steps outlined on this article, banks can revolutionise their legacy financial institution on-line and supply a contemporary and seamless banking expertise to their prospects.

Now’s the time for banks to embark on the journey of modernising their legacy banking functions. By doing so, they will revolutionise their on-line banking providers and supply their prospects with a banking expertise that’s safe, handy, and personalised. When you’ve got a plan to revolutionise your legacy financial institution on-line and modernise your banking apps, contact us right this moment for a session. Our workforce of consultants will information you thru the important steps and allow you to obtain a profitable modernisation.

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