Senior Full-Stack Engineer (Python, React, SQL)

EPAM Systems is looking for a talented and adaptable Senior Full-Stack Engineer to join their energetic development team. In this role, you will design, build, and maintain software applications and systems, ensuring high-quality, scalable end-to-end solutions.

Responsibilities:

• Design, build and optimize responsive and intuitive web interfaces using cutting-edge UI/UX technologies
• Build and maintain the server-side components of our software applications
• Track and enhance the performance, scalability and reliability of backend systems
• Work alongside cross-functional teams, including data engineers, product managers and designers, to guarantee smooth integration of the frontend and backend components
• Produce clean, efficient and well-documented code that adheres to best practices and coding standards
• Design, build and optimize database structures and queries to enable efficient data storage and retrieval
• Carry out comprehensive testing and debugging to detect and fix issues or bottlenecks
• Keep current with the newest industry trends and technologies and recommend improvements to strengthen the backend architecture and development processes
• Take part in code reviews to uphold code quality and guide junior developers
• Partner with DevOps engineers to deploy and maintain applications in production environments
• Offer technical guidance and assistance to team members when required

Requirements:

• Bachelor's or Master's degree in computer science, Software Engineering or a related field
• 3+ years of experience as a Full-Stack Engineer or comparable role, with an emphasis on building scalable web applications
• Strong grasp of computer science fundamentals such as data structures and algorithms
• Mastery of React, JavaScript and one or more backend programming languages (Python preferred)
• Experience with web frameworks and technologies such as FastAPI, Flask or Django
• Understanding of databases and hands-on experience with relational databases like SQL Server, Snowflake, PostgreSQL and Oracle
• Familiarity with RESTful API design principles and experience building and consuming APIs
• Proficiency with version control systems such as Git and collaborative development workflows
• Exposure to AI coding agents like Cursor, Claude Code and Codex
• Financial industry experience or eagerness to learn and engage in Private Equity/Credit business domains
• Strong problem-solving abilities and capacity to troubleshoot and debug complex backend issues
• Outstanding communication and collaboration skills, with the ability to thrive in a team environment
• English proficiency at B2 level or above
• Knowledge of Accounting or Advent Geneva
• Familiarity with NoSQL databases like MongoDB or Redis
• Understanding of Data Engineering tools and platforms such as data pipelines and data lakes
• Adaptability to work with cloud platforms like AWS, Azure or Google Cloud Platform and containerization technologies like Docker or Kubernetes
• Experience with one or more of bank loans/leveraged loans, fixed-income products and CLOs, derivatives, ABS and CMBS products