Big data engineers are professionals who apply big data technology tools to collect, store, process, analyze, and visualize vast and data to support business decisions, optimize business processes, and drive product innovation. Here is a detailed introduction to big data engineers:
- Job Responsibilities: This mainly includes collection, i.e., accessing data from various data sources such as App logs, databases, etc.; data storage, choosing the appropriate storage method for different types of data data calculation, using technologies like Spark SQL to achieve fast data calculation; data governance, ensuring the accuracy and consistency of data; data services, packaging processed data into APIs for other systems call, i.e., "collect, store, manage, calculate, and use".
- Skills Required: You need to master basic technical capabilities such as data and algorithms, database principles, etc., be familiar with big data technology stacks such as Hadoop, Spark, etc., have the ability to analyze and mine data, and cloud-native and toolchain-related skills. At the same time, you need to have good communication and cross-team collaboration, problem diagnosis and optimization, and other soft skills
- Job Requirements: Typically, a bachelor's degree or above is required, with a priority for computer science, mathematics, and other related majors. Junior positions require -3 years of relevant work experience, intermediate positions require 3-5 years of experience, and senior engineers require more than 5 years of experience. Industry-recognized cert include the CDA, Alibaba Cloud Big Data Analyst/Engineer certifications, etc.
- Career Development: The career path can develop towards a technical expert, specializing a certain area; you can also become an architect, leading the planning of the big data platform; you can also transform into a technical manager or data product manager, moving towards or business.
- Employment Direction: Big data engineers can be employed in various industries such as the Internet, finance, medical health, manufacturing, telecommunications, etc. engaged in user behavior analysis, risk assessment, disease prediction, production process optimization, etc.
- Salary Level: Big data engineers generally have a high salary level. The salary of a junior in the first-tier cities can reach 150,000-200,000 yuan, and that of a middle- engineer with 3-5 years of experience is between 250,000 and 400,000 yuan. Senior talents earn more than500,000 yuan. The salary in second-tier cities is relatively lower, with the annual salary of a junior position being about 100,00-150,000 yuan, and that of a middle-level position being between 180,000 and 300000 yuan.
