Backend jobs in Brazil

Location-Pakistan, Nigeria, Kenya, Egypt, Ghana, Bangladesh, Turkey, Brazil, Mexico

YoE - 4 + years

Engagement Length- 2 Months

Commitment Required

8 hours per day and 40 hours per week with an overlap of 4 hours with PST.

We are seeking a Python Developer with strong expertise in FastAPI to join an exciting Reinforcement Learning (RL) Gym project. You will design, build, and optimize scalable APIs, collaborate with researchers and engineers, and deliver high-quality backend services to support reinforcement learning experiments and simulations. Prior RL Gym experience is not mandatory but would be a plus.

• Design, build, and maintain FastAPI-based services for experimentation workflows and simulation environments.
• Collaborate with ML engineers to expose APIs for training, evaluation, and benchmarking.
• Write efficient, production-grade Python code with a strong emphasis on scalability and maintainability.
• Troubleshoot performance issues, optimize pipelines, and ensure smooth deployment of applications.

• 4+ years of professional Python development experience including 3+ years of strong experience in FastAPI
• Experience with REST APIs, async programming, and API lifecycle management.
• Solid understanding of software engineering best practices (testing, CI / CD, version control, design patterns).
• Familiarity with NumPy, Pandas, and PyTorch / TensorFlow is a plus.
• Good to have : Exposure to Reinforcement Learning environments (OpenAI Gym, Gymnasium, Stable Baselines, or custom environments) & SQL experience
• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.