Senior Full Stack Engineer (Python, React, SQL)

Quick Facts

• Role: Senior Full Stack Engineer (Python + React + SQL)

Description

Design, develop, and maintain end-to-end software applications from frontend to backend. Build responsive, user-friendly web interfaces, implement server-side components, and optimize backend performance, scalability, and reliability. Collaborate with cross-functional teams and use AI coding agents like Cursor and Claude Code to support development workflows.

Responsibilities

• Design, implement, and optimize responsive web interfaces
• Develop and maintain server-side application components
• Monitor and optimize backend performance, scalability, and reliability
• Integrate frontend and backend with cross-functional teams (data engineers, product managers, designers)
• Write clean, efficient, well-documented code following best practices
• Use AI coding agents to support development workflows
• Design database structures and optimize queries
• Perform testing and debugging to resolve issues and bottlenecks
• Stay current with industry trends and propose improvements to backend architecture and processes
• Participate in code reviews and mentor junior developers
• Work with DevOps engineers to deploy and maintain applications in production
• Provide technical guidance to team members

Requirements

• 5+ years of full-stack development experience
• 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

• Experience in financial services

Benefits

• Agile, startup-like culture and supportive team
• Hybrid by design mode with opportunity to work remotely within Poland
• Chance to work abroad up to 60 days annually
• Business-driven relocation opportunities
• Career development programs
• Mentoring, soft skills, and well-being programs
• Certifications (Anthropic, Gemini, GCP, Azure, AWS)
• English classes
• Stable pay
• Employee Stock Purchase Plan with 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Office amenities (entertainment/relaxation zones, table tennis/football, free snacks and coffee)
• Corporate, social, and well-being events
• Contractors considered (B2B terms agreed individually)