A Python Engineer Under Giant Umbrella

What's it like for a Python enthusiast in a giant company that doesn't use Python in its core services? This talk shares the journey, from real-world technical demands to hiring standards.

Transcript

1. Python Engineer under Giant Umbrella Kir Chou @ PyConTW 2018
2. kir.chou note35 kirchou 2
6. 3 types of indrustries 6
7. G 7
8. G Why do they choose Python? 8 • Migrating from Perl to Python • General Script Language • Validation, EDA Tool (RD) • Integration Test (QA) • Automation (DevOps) • Data Analysis (Data)
9. G 9 Job Description Object-Oriented programming languages; JavaScript; HTML; DHTML; CSS; C; C++; SQL; Perl; Python; Tool Command Language (TCL); R; Shell script 1. Collect and document user's requirements and develop logical and physical specifications; 2. Research, evaluate and synthesize technical information to design, develop and test computer- based systems; 3. Develop data, process and network models to optimize architecture and to evaluate the performance and reliability of designs; 4. Plan, design and co-ordinate the development, installation, integration and operation of computer- based systems; 5. Assess, troubleshoot, document, upgrade and develop maintenance procedures for operating systems, communications environments and applications software
10. G 10 Why do they choose Python? • No legacy Perl debt • General Language • App/API/Data Process (SE) • Automation (DevOps) • Integration Test (QE) • Data Engineer • Data Analysis (Data)
11. G 11 Job Description • Specific Skills: • practical knowledge related to databases MySQL or PostgreSQL • Cassandra, Kafka, Elasticsearch, SQL, Redis, ZMQ, Hadoop, AWS, Apache Solr… • Excellent Python (2.x and ideally 3.x) and Django (1.8+) • Clear Title • Django React Full Stack Developer
14. G 14 Why do they choose Python? • Migrating from Perl to Python • General Language
15. G 15 Job Description • Over X years’ experience in software development • Experience with OOP language including Python
16. G 16 Job Description • Over X years’ experience in software development • Experience with OOP language including Python
17. 3 Levels In Python 17
18. from os import * env_list = [param for param in dir(environ)] if '__len__' in dir(env_list): available_attr_num = len(env_list) 18 What’s wrong?
19. from os import environ available_attr_num = len(dir(environ)) 19
20. 20 How to be an python expert?
23. Hiring Bar (X) Be familiar with XXX (O) What have you done? 23
24. XXX in Giant Company -> Specific library/framework aren’t required 24
25. Biome in Giant Company -> Internal infrastructure -> start from ZERO every projects -> Internal development environment -> XXX can not be used directly -> Stack Overflow is not enough 25 >> amazon-sde-process <<
26. The wrong road I have traveled • focused too much on Job description • considered XXX library/framework important • read too many python tricks • read too many interview feedbacks 26
27. brain drain in Taiwan Why does foreign Company come to Taiwan? • For entering local market • For saving cost Although our technician is competitive • Our market is not big enough • We become not attractive for external investment • We don’t focus on SDE-friendly industry 27
28. Thanks for your listening 28