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 technologiesDevelop and maintain the server-side components of software applicationsMonitor and optimize the performance, scalability, and reliability of backend systemsCollaborate with cross-functional teams, including data engineers, product managers, and designers, to ensure seamless integration of frontend and backend componentsWrite clean, efficient, and well-documented code following best practices and coding standardsUse AI coding agents like Cursor, Claude Code & Codex to support development workflowsDesign, implement, and optimize database structures and queries for efficient data storage and retrievalPerform thorough testing and debugging to identify and resolve issues or bottlenecksStay updated with the latest industry trends and technologies and propose improvements to enhance backend architecture and development processesParticipate in code reviews to maintain code quality and mentor junior developersCollaborate with DevOps engineers to deploy and maintain applications in production environmentsProvide technical guidance and support to team members as needed Requirements 5+ years of experience in full-stack developmentProficiency in Python, FastAPI, React, and TypeScriptExpertise in agentic coding tools such as Claude Code and CursorFamiliarity with AWSEnglish 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 modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe 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.