COBOL vs TypeScript: A Recruiter's Guide to Hiring

COBOL (Common Business-Oriented Language) and TypeScript attract very different professionals. COBOL developers are typically more experienced, often having worked in mainframe environments where stability and precision are paramount. They are adept at maintaining and updating legacy systems that continue to power critical business processes in sectors like finance and government.

In contrast, TypeScript developers are usually engaged with modern, dynamic web applications. TypeScript, a superset of JavaScript, is favored for its ability to catch errors early and enhance code maintainability. This language attracts developers who are keen on building scalable, robust web applications with modern frameworks like Angular and React.

Hiring for COBOL is essential when dealing with legacy systems that require ongoing support and modernization. If your organization relies heavily on mainframe operations, hiring a COBOL expert ensures continuity and minimizes disruption. Companies in banking, insurance, and government sectors often seek these specialists for their deep understanding of mission-critical applications.

On the other hand, TypeScript is ideal when developing new web applications or modernizing existing ones. Its integration with popular front-end frameworks makes it a go-to choice for businesses aiming to enhance user experience and scalability. If your project involves creating interactive, data-driven web applications, a TypeScript developer is likely the right fit.

Salaries for COBOL developers are often higher due to their niche expertise and the dwindling number of experienced professionals. According to industry reports, COBOL developers can command salaries ranging from $80,000 to $120,000 depending on experience and location.

TypeScript developers generally have a more varied salary range, typically between $60,000 and $100,000. The demand for TypeScript is high, given its popularity in modern web development, which drives competitive salaries, especially in tech hubs.

Market availability for COBOL experts is limited, as fewer new developers are learning the language. Meanwhile, the TypeScript talent pool is expanding rapidly, fueled by its adoption in web development frameworks.

COBOL requires a deep understanding of procedural programming and often involves working with large, complex databases. COBOL professionals need a strong grasp of batch processing and data manipulation within legacy systems. Their work is critical to maintaining the reliability of existing systems.

TypeScript, while less complex in terms of system depth, demands a strong understanding of modern web technologies. Developers must be proficient in JavaScript, as well as familiar with various libraries and frameworks. TypeScript's static typing and advanced tooling require developers to have a keen eye for detail and a proactive approach to debugging and optimization.

COBOL professionals often have long, stable careers within industries that maintain older systems. Their career trajectory might include roles such as system analyst or IT manager, focusing on legacy system maintenance and integration.

TypeScript developers, by contrast, have dynamic career paths, often moving from front-end development into full-stack roles or even into software architecture. The skills they develop with TypeScript can be easily transferred to other modern languages, broadening their career opportunities.

Experience levels for COBOL developers tend to skew higher, as many have decades of experience. TypeScript developers, in contrast, are often younger, with a few years of experience, reflecting the language's more recent emergence.

For COBOL positions, look for CVs highlighting extensive experience with mainframes, specific industries like banking or government, and roles involving system analysis or project management. Keywords such as "legacy system maintenance" and "batch processing" are indicators of relevant expertise.

TypeScript CVs typically emphasize front-end development skills, experience with frameworks like Angular or React, and a solid foundation in JavaScript. Look for projects that demonstrate scalability and user interface design, as well as a history of collaborative development in agile environments.