We are searching for an experienced **Senior Python Back\-End Developer** to join our forward\-thinking team and contribute to building a cutting\-edge supply\-chain data analytics platform. This role involves working with a modern tech stack, including Python, Flask/FastAPI, PostgreSQL, and OpenSearch, to deliver scalable, efficient solutions. Join us in shaping the future of supply chain analytics with innovative solutions! *We accept* *CVs in English only.* **Responsibilities** * Collaborate on the design and development of robust back\-end architecture using Python and Flask/FastAPI * Develop and optimize APIs and integrations for seamless communication between services * Ensure database performance and scalability, including query optimization with PostgreSQL and OpenSearch * Identify and resolve technical challenges within high\-load web applications * Participate in code reviews, debugging, and technical discussions * Contribute to secure and reliable application design principles * Interact closely with front\-end developers working with React/TypeScript for product cohesiveness * Apply AI\-driven solutions to enhance domain\-specific insights and recommendations * Work autonomously and as part of an agile team to meet fast\-paced startup goals * Drive continuous improvement and innovation within the technology stack * Document development processes, tools, and best practices **Requirements** * Expertise in back\-end development for web applications using Python and Flask/FastAPI, with over 3 years of relevant experience * Background in APIs, integrations, and handling high\-load database applications * Solid production experience with SQL, including proficiency in PostgreSQL and OpenSearch * Understanding of technical challenges and ability to optimize web applications and database queries * Familiarity with tools like GenAI engineering productivity tools (Cursor, Copilot, etc.) * Qualifications in FastAPI, cloud technologies, and IaC tools * Proficiency in working in startup environments with a focus on impact and transparency * Good communication skills and capability to work both independently and in a team * English language proficiency at an Upper\-Intermediate level (B2\) or higher **Nice to have** * Experience with TypeScript and ReactJS for full\-stack development opportunities * Familiarity with PySpark, Spark SQL, and broader data engineering concepts * Background in API \& integration standards, Kubernetes, and tools like Pants and SQLAlchemy * Skills in leveraging productivity tools for software development * Showcase of client\-facing experience while engaging with external stakeholders **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.