Senior Full Stack Engineer (Python + React + SQL)

We are seeking a skilled and versatile Senior Full Stack Engineer to join our dynamic development team. As a Senior Full Stack Engineer, you will be responsible for designing, developing, and maintaining end-to-end software applications and systems, from frontend to backend. Your expertise in programming languages, databases, and web technologies will be crucial in delivering high-quality and scalable end-to-end solutions.

Responsibilities

• Design, implement, and optimize responsive and user-friendly web interfaces using the latest UI/UX technologies
• Develop and maintain the server-side components of software applications
• Monitor and optimize the performance, scalability, and reliability of backend systems
• Collaborate with cross-functional teams, including data engineers, product managers, and designers, to ensure seamless integration of frontend and backend components
• Write clean, efficient, and well-documented code following best practices and coding standards
• Use AI coding agents like Cursor, Claude Code & Codex to support development workflows
• Design, implement, and optimize database structures and queries for efficient data storage and retrieval
• Perform thorough testing and debugging to identify and resolve issues or bottlenecks
• Stay updated with the latest industry trends and technologies and propose improvements to enhance backend architecture and development processes
• Participate in code reviews to maintain code quality and mentor junior developers
• Collaborate with DevOps engineers to deploy and maintain applications in production environments
• Provide technical guidance and support to team members as needed

Requirements

• 5+ years of experience in full-stack development
• Proficiency in Python, FastAPI, React, and TypeScript
• Expertise in agentic coding tools such as Claude Code and Cursor
• Familiarity with AWS
• English proficiency at B2 level or higher

Nice to have

• Background in financial services

We offer

• We gather like-minded people:
• Top tech minds driving innovation in AI, cloud and digital platform modernization
• Supportive team and agile, startup-like culture
• Hybrid by design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• We provide growth opportunities:
• Career development programs
• Thought leadership, mentoring, soft skills and well-being programs
• Certification (Anthropic, Gemini, GCP, Azure, AWS)
• English classes
• We cover it all:
• Stable pay
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
• Corporate, social and well-being events
• Please, note:
• Benefits listed above are available to employees only
• We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
• We will reach out to selected candidates exclusively

EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.