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

Benefits

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