10 IT SPECIALIST ROLES YOU SHOULD KNOW

5 years ago

It is no surprise that information technology is one of the fastest-growing sectors in Lithuania and worldwide. Both local and international companies in the IT sector look for specialists using English terms. Sometimes, when reading job titles, questions arise: what exactly does a certain IT specialist do? Below, we present the most common professions related to the IT sector:

Front-end developer – responsible for everything the user sees (design, slicing, certain programming languages). Main languages: HTML, CSS, and JavaScript. Core tasks: ensuring smooth user experience on the website, analyzing code and design, fixing errors.

Back-end developer – works with servers and how the system functions. Their main task is to ensure system functionality, responsiveness, data transfer, and loading speed. Common programming languages: Java, PHP, Ruby on Rails, Python, and others.

Full-stack developer – works with both back-end and front-end. They usually know HTML, JavaScript, CSS, plus one or more back-end languages. They don’t write all code themselves but often spend more time focusing on either back-end or front-end development.

User Interface (UI) designer – focuses on usability and user experience. Their goal is to make interaction simple and effective, based on user needs. They must understand user psychology and apply it when designing websites or applications.

User Experience (UX) designer – aims to make software more comfortable, intuitive, and pleasant to use. They ensure efficiency and functionality, relying on surveys, market research, structured data, and a deep knowledge of the target audience.

System administrator – maintains systems, solves issues, and makes necessary changes. They install, manage, and monitor servers and other IT systems, troubleshoot service disruptions, and ensure smooth operation.

Network administrator – responsible for maintaining the hardware and software of a computer network. They install, manage, configure, and optimize network systems, monitor performance, fix issues, and handle backups.

Development Operations (DevOps) engineer – combines software development (Dev) and IT operations (Ops). They handle coding, infrastructure scaling, virtualization, and automation of systems and processes. They oversee cross-departmental software connections, quality assurance, and company servers (often Linux or BSD).

Data architect – analyzes various data sources and creates frameworks for data management. They design and control standards, policies, and models for storing, integrating, and processing organizational data.

Site Reliability Engineer (SRE) – uses coding and automation skills to solve infrastructure and operational issues. They reduce manual tasks by automating processes, ensure proper monitoring, incident response, and system reliability.

This is only a small part of all IT-related concepts, but we hope it helps you better understand the functions of these specialists.