We are seeking a **Senior Python Developer** to join our team. In this role, you will be responsible for developing high\-performance client wrappers and server\-side code for large\-scale production systems, ensuring smooth integration with LLM APIs over HTTP. The focus is on efficient API interaction and system reliability, rather than AI model training or experimentation. *We accept* *CVs in English only.* **Responsibilities** * Architect and deliver LLM\-driven user experiences for application users * Implement Python API server solutions to process requests from single or multiple front\-end applications * Develop and refine LLM client code tailored for demanding, high\-volume environments * Leverage the most current LLM models and related services * Build user\-friendly prompting frameworks to assist prompt engineers and domain experts * Write SQL queries and assist with database schema development as required * Engage in architectural planning sessions within the CoCounsel AI Skills team and work closely with other technical groups **Requirements** * Bachelor’s or Master’s degree in Computer Science or a similar discipline * Minimum 3 years of hands\-on experience in production software engineering, ideally within an engineering or product\-focused team * Deep expertise in Python programming * Solid background in HTTP API development, including FastAPI and RESTful APIs * Strong SQL skills for database operations and management * Experience using Docker for application containerization * Understanding of the machine learning workflow, including data labeling, curation, cleaning, model training, evaluation, and deployment * Strong analytical thinking and problem\-solving abilities * Capable of working both independently and collaboratively within a team * Proven sound judgment in software engineering practices * Advanced English proficiency, both spoken and written, at B2\+ level or above **Nice to have** * Background with monitoring and logging platforms like Kibana * Experience with Kubernetes for DevOps and orchestration * Understanding of Large Language Models (LLMs) * Practical experience integrating LLMs via code, including APIs from OpenAI, Anthropic, Cohere, or open\-source models such as Llama and Mistral * Familiarity with LLM prompt engineering and related techniques **We offer** * Learning Culture \- We want you to be the best version of yourself, that is why we offer unlimited access to learning platforms, a wide range of internal courses, and all the knowledge you need to grow professionally * Health Coverage \- Health and wellness are important, that is why we have you and up to four family members in a premiere health plan. We have a couple of options, so you can choose what is best for you and your family * Visual Benefit \- Seeing your work for us would be a sight for sore eyes. We want your vision to always be at 100% which is why we offer up to $200\.000 COP for any visual health expenses * Life Insurance Plan \- We have partnered with MetLife to offer a full\-coverage Ife insurance plan. So, your family is covered, even if you are gone. * Medical Leave Coverage \- We are one of the few companies that cover 100% of your medical leave, for up to 90 days. Your health is the most important thing to us * Professional Growth Opportunities \- We have designed a highly competitive and complete development process, where you will have all the tools to get where you have always wanted to be, personally and professionally * Stock Option Purchase Plan \- As an EPAMer you can be more than just an employee, you will also have the opportunity to purchase stock at a reduced price and become a part owner of our organization * Additional Income \- Besides your regular salary, you will also have the chance to earn extra income by referring talent, being a technical interviewer, and many more ways * Community Benefit \- You will be part of a worldwide community of over 50,000 employees, where you can learn, challenge yourself, stand out, and share your knowledge and experience with multicultural teams! *Please note that even though you are applying for this position, you may be offered other projects to join within EPAM.* EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi\-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting\-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.