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Python Developer - Performance Optimization

CROSSDEV TECHNOLOGIES PRIVATE LIMITED
3 - 5 Years
Multiple Locations

Posted on: 20/04/2026

Job Description

Description :


Job Title : Python Developer (Performance Optimization Focus)


Experience : 3-5 Years


Location : Remote (India-based candidates only)


Employment Type : Full-time


Role Overview :


We are looking for a skilled Python Developer with 3-5 years of experience, who has a strong focus on performance optimization and system efficiency. The ideal candidate should be capable of identifying bottlenecks, improving application performance, and working in a Linux-based environment.


Key Responsibilities :


- Analyze and identify performance bottlenecks in existing systems and applications


- Optimize code, queries, and system architecture for better efficiency and scalability


- Develop, test, and maintain high-quality Python applications


- Work with large datasets and improve processing performance


- Collaborate with cross-functional teams to enhance system reliability and speed


- Monitor system performance and implement improvements proactively


- Write clean, maintainable, and efficient code


Required Skills & Qualifications :


- 3-5 years of hands-on experience in Python development


- Strong understanding of performance tuning and optimization techniques


- Experience with debugging and profiling tools


- Solid understanding of data structures and algorithms


- Familiarity with REST APIs and backend development


- Good problem-solving and analytical skills


Linux & System Knowledge (Must-Have) :


- Comfortable working in Linux/Unix environments


- Basic command-line proficiency, including :


1. Editing files (e.g., vi/nano)


2. Managing file permissions (chmod, chown)


3. Downloading files via terminal (wget, curl)


4. Basic file and directory operations


Basic Python Knowledge Expectations (Interview Scope) :


- Writing simple scripts and functions


- String manipulation and data handling


- Example : Writing a program to count words in a file/string


Good to Have :


- Familiarity with AI/ML concepts or tools


- Experience with performance optimization in data-heavy or distributed systems


- Exposure to cloud platforms (AWS/GCP/Azure)


Why Join Us :


- Work on performance-critical systems with real impact


- Fully remote work environment


- Opportunity to work with modern technologies and scalable systems


- Collaborative and growth-focused team culture

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