Senior Python Developer (Freelance / Contract)

Job Title : Senior Python Developer

Location : India, Pakistan, Nigeria, Kenya, Egypt, Ghana, Bangladesh, Turkey, Mexico

Experience Required : 4+ Years

Shift : 40 hours / week with 4-hour PST overlap with PST zone.

Work Mode : Remote

Position Type : 2 Months Contract / 2 Months Freelance

Company Name : VARITE INDIA PRIVATE LIMITED

About Client :

An organisation based in San Francisco, California, is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.

It helps customers in two ways : Accelerating AI research with elite engineering, data, and infrastructure talent. Enabling enterprises to transform proofs of concept into production-grade AI systems that drive measurable business results.

Role Overview :

We’re looking for a world-class Python Developer — someone who lives and breathes code, optimizes for performance, and has proven mastery on competitive programming or data challenge platforms like LeetCode, Codeforces, HackerRank, or Kaggle. This is a pure coding role — where you’ll tackle challenging engineering problems, design scalable systems, and collaborate with leading AI research teams.

What You’ll Do :

Build, test, and optimize high-performance Python systems used in large-scale AI and data pipelines.

Design and maintain modular, clean, and production-ready Python codebases.

Collaborate with cross-functional teams (data, infra, and research engineers) to deliver reliable backend components.

Write efficient, maintainable, and testable code with strong focus on algorithms and data structures.

Stay current with modern Python tools, frameworks, and best practices.

Required Qualifications

Bachelor’s or Master’s in Computer Science, Software Engineering, or a related field.

4+ years of professional experience writing Python in production environments.

Expert-level proficiency in Python and core libraries (Pandas, NumPy, AsyncIO, FastAPI, or similar).

Proven track record on coding platforms — e.g., top percentile or strong rating on LeetCode, Codeforces, HackerRank, or Kaggle competitions.

Deep understanding of data structures, algorithms, and problem-solving at scale.

Experience with system design, clean architecture, and performance optimization.

Working level Proficiency in ML / DS

Preferred Qualifications

Strong experience with distributed systems, APIs, or data processing pipelines.

Familiarity with cloud environments (AWS, GCP, or Azure) and CI / CD workflows.

Experience in open-source contributions or building developer tools.

Comfort working in fast-paced, research-driven environments.

Bonus

Recognized performance in Kaggle, Codeforces, or ICPC / TopCoder contests.

Deep curiosity for performance tuning, scalability, and elegant code design.

Perks of Freelancing.

Work fully remotely, from anywhere.

Collaborate with world-class AI labs and frontier research companies.

Tackle real engineering challenges with high autonomy and ownership.

Offer Details

Commitment : 40 hours / week with 4-hour PST overlap with PST zone.

Type : Contractor (no medical / paid leave).

Duration : 2 months (start date : immediately).

How to Apply : Interested candidates are invited to submit their resume using the apply online button on this job post.

Equal Opportunity Employer : VARITE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, veteran status, or disability status.

Unlock Rewards : Refer Candidates and Earn.

If you're not available or interested in this opportunity, please pass this along to anyone in your network who might be a good fit and interested in our open positions. VARITE offers a Candidate Referral program, where you'll receive a one-time referral bonus based on the following scale if the referred candidate completes a three-month assignment with VARITE.

Exp Req - Referral Bonu s

0 - 2 Yrs. - INR 5,000

2 - 6 Yrs. - INR 7,500

6 + Yrs. - INR 10,000

About VARITE : VARITE is a global staffing and IT consulting company providing technical consulting and team augmentation services to Fortune 500 Companies in USA, UK, CANADA and INDIA. VARITE is currently a primary and direct vendor to the leading corporations in the verticals of Networking, Cloud Infrastructure, Hardware and Software, Digital Marketing and Media Solutions, Clinical Diagnostics, Utilities, Gaming and Entertainment, and Financial Services.