Software developmentDevOps in finance: Best practices and case studies

04.08.2022by Tanya

Every change to the application first passes a number of automated tests and only then gets into the build. This helps you avoid integration hell and find problems in software early on. It aims at building, testing, and releasing software with greater speed and frequency.

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This major push for a better digital customer experience has had a ripple effect on backend systems and supporting IT processes. A growing digital footprint, stretching through on-premises software and the cloud, requires better cadence for managing new deployments, target infrastructure, and legacy cores integrated with new digital add-ons. CIO Insight offers thought leadership and best practices in the IT security and management industry while providing expert recommendations on software solutions for IT leaders. It is the trusted resource for security professionals who need to maintain regulatory compliance for their teams and organizations. Traditional deployments are not meant for agile development methods.

How to choose the best branching strategy for your team

DevOps is a modern solution that is being used by more and more companies in the software development sector. It creates a new company culture, and promises quicker, simpler processes, as well as better communication and collaboration. Learn about the pros and cons of this system, and its range of uses. Microsoft Team Foundation Server is a collaboration tool for software projects that are jointly planned, created, and then managed. TFS is the unofficial successor of Microsoft’s Visual SourceSafe.

This is why automation is a prerequisite to any successful CD process. Continuous delivery makes your release processes as efficient and repeatable as possible. DevOps helps you build, test, and release software faster and more reliably. It leads to consistently maintained, tested, and dependable applications. Any errors or complications in these phases will be documented and, if necessary, sent as feedback to the developer. This can be done via e-mail, messaging programs, or special tools .

With the consistency of CI, teams are more likely to commit code changes more often, which leads to better collaboration and software quality. The logic behind this is that it’s easier to find problems with smaller pieces of code, so it’s better to have shorter commit cycles. When developers are working on small commits, it’s less likely that they will edit the same code and merge it when committing. In principle, it is possible to manage continuous integration without the need for special tools, since all work steps can be performed manually. However, this requires a lot of discipline and even more effort. These usually provide a server and help with building and version control.

The continuous integration vs. continuous delivery vs. continuous deployment comparison shows you which model is best suited for you and your project. Trunk-based development is a branching strategy that in fact requires no branches but instead, developers integrate their changes into a shared trunk at least once a day. Having the ability to set up infrastructure on command accelerates team performance at every stage of the software development lifecycle. Your team can provision CI/CD and testing environments in a matter of moments, plus streamline deployments since the application and production infrastructure are neatly packaged in one block. To sum up, continuous integration and continuous delivery for FinTech and financial institutions pave the way to faster, more stable, and more predictable code deployments. In essence, CI/CD creates a step-by-step production line with quality checkpoints.

Continuous integration is the process of merging your team’s code with all necessary updates to address bugs in development. Continuous integration encourages team members to behave in ways that prevent releasing errors and bugs to customers. With more testing and frequent updates, your team can discover and fix bugs much sooner. Continuous integration can help your team deliver updates to their customers faster and more often allowing you to stay ahead of the competition. DevOps includes improved collaboration and communication between software developers and IT operations staff.

Infrastructure as code (IaC)

It leads to an increased speed of deployment, testing, and analysis. Through testing smaller sections of code to your larger codebase you can build faster and easily pinpoint errors. It also results in a smaller backlog and prevents your team from shipping broken code. Continuous deployment is a strategy for releasing code that automatically goes live after passing automated tests. This ideology offers quicker updates that are seen by the software’s users. With CD tools, there is no need for a staging area where code changes can be manually reviewed and verified.

The main idea behind this strategy is that developers make smaller changes more frequently and thus the goal is to limit long-lasting branches and avoid merge conflicts as all developers work on the same branch. In other words, developers commit directly into the trunk without the use of branches. CodePipeline builds, tests, and deploys your code every time there is a code change, based on the release process models you define. IaC lets you test apps in a production-like environment at any stage of the SDLC. Doing so helps prevent common deployment issues caused by configuration drift, missing dependencies, or integrations. CI/CD lets you build fast and fail fast in a sandbox environment.

  • This allows your teams to rapidly test products, troubleshoot bugs and integration issues, and release fully functional software rather than half-baked code.
  • The home for software testing and QA professionals—practical advice on test automation, test management, test techniques, and more.
  • While DevSecOps cannot fully replace proactive security measures, this movement helps ensure you are not leaving any loose ends an attacker might explore.
  • Automation means that more code gets deployed to production sans scheduled maintenance or other service disruptions.

Therefore each developer may only integrate their code into this main branch and not work in their own branch. In this context, every developer should make sure that their own contribution definitely functions. To do this, they have to test the code and the build after integration.

Understanding Waterfall, Agile, and DevOps

When first starting out, it’s best to keep things simple and so initially GitHub Flow or Trunk-based development may work best. They are also ideal for smaller teams requiring only a single version of a release to be maintained. It also enhances collaboration as developers have better visibility over what changes other developers are making as commits are made directly into the trunk without the need for branches. This is unlike other branching methods where each developer works independently in their own branch and any changes that occur in that branch can only be seen after merging into the main branch. As we’ve seen, trunk-based development paves the way for continuous integration as the trunk is kept constantly updated. You start off with the main branch then developers create branches, feature branches that stem directly from the master, to isolate their work which are then merged back into main.

Continuous Delivery Model Pros and Cons

For this, some teams use separate displays or visuals that show that they are in the middle of an integration. With continuous integration, integrating new code takes place much earlier, not when all participants have completed their sections. Instead, developers add their finished code to the mainline once or several times a day – the source code is then open to all programmers. Since these are always relatively small sections of code, the integration is also rather short. A developer should only need a few minutes to make their work available to the rest of the team. If an error is discovered, it can be detected immediately, and in the best case, quickly corrected.


Instead of programming configurations manually, your teams can automatically create and replicate the same environment each time they start a new project. Continuous integration and continuous deployment are the backbones of modern app development. CI/CD enables developers to deliver changes to code much more quickly and reliably. Putting these practices in place is what lets companies take advantage of that latest coding update. Using continuous integration tools is a practice that teams take on to make sure their work is coordinated.

Continuous deployment happens every time there are changes made to your code that are approved by QA. With continuous delivery, software developers automate the process of development, quality assurance, testing, production, and delivery. This gives them the opportunity to deliver software to the customer at a much earlier stage of development while the program continues to be developed. The continuous delivery pipeline required for this is divided into different test phases. Developers used to a long cycle time may need to change their mindset when working in a CD environment. It is important to understand that any code commit may be released to customers at any point.

Continuous Delivery Model Pros and Cons

Thus, DevOps can be a product of continuous delivery, and CD flows directly into DevOps. Overall, continuous delivery helps IT teams deliver high-quality software faster and with less risk. Finally, continuous delivery provides faster access to bug fixes because new versions are automatically tested before being deployed into production environments. Continuous integration teams start by establishing proper version control and practice definitions. Even though they check in code frequently, development teams practicing continuous integration use different tools to figure out what features and code are ready for production.

What is Continuous Integration?

Contact Intellias DevOps practitioners to receive preliminary guidance on DevOps adoption and more insights on how financial institutions can rethink their approach to software development. Short for development, security, and operations, DevSecOps is aimed at infusing automated security best practices at every stage of the SDLC, from design to deployment. Mastering this “shift left” often requires not just better testing tools but more tectonic changes in QA processes and team mindsets. Ultimately, the promise ci cd maturity model of DevOps for finance is that it will help your software teams get better at what they do — writing, testing, securing, and integrating new code — through better processes and supporting tools. Improved security and compliance thanks to better-documented development and testing processes, plus clear frameworks for application governance, risk management, and security. One of the main differences between traditional deployment and continuous deployment is how you go about creating a deployable artifact.

Continuous Delivery Model Pros and Cons

It can speed up the time it takes for your product to get in front of consumers, which typically can be days, weeks, or even months. More about the advantages and disadvantages of the different continuous integration tools can be found in our extensive comparison article. In principle, it makes sense to carry out tests in an outsourced and safe environment. However, you also need to ensure that it is configured exactly the same way as it is in the production environment. This can be very costly because the machine would have to be set up exactly the same way. However, virtualization of complete computers means that this cost factor is becoming smaller and smaller.

DevOps best practices for financial companies

Although it saves you a long and tedious integration phase at the end of the project and allows you to tackle problems early on, it can be very difficult for well-rehearsed teams to switch to continuous integration. In this case, the process can end up costing more time instead of saving time. The program code found in the mainline should always be tested and be functional.

Relationship to continuous deployment

Continuous delivery lets developers automate workflows to expedite deployments even further. You can practice continuous integration and continuous deployment by leveraging feature flags as a CI/CD tool. With the help of a feature management system, teams are able to both use feature flags and track them. By doing so, they can keep an eye on the status of their features and feature flags, retire outdated features, and remove unused or unwanted feature flags.

Automated Continuous Integration Processes

The model for DevOps came from a need to drive features to customers faster. Gmail and Microsoft Office are examples of DevOps in action, with hundreds of updates every day. The DevOps mantra is ‘continuous delivery’, and it’s driving a revolution in modern IT.

Automated testing is a must in the continuous testing process. An automated build helps with continuous integration and quality assurance. Unit and functionality tests can be done internally or externally, which means that they can either flag issues before or after the integration process. Performance and security testing usually happen after builds are delivered. A full delivery environment is necessary for these kinds of tests, and they’re often integrated after the build has been done and delivered to a target environment. Continuous delivery is a crucial technique for delivering code changes automatically.