Senior Full Stack Engineer (Python, React, SQL)

Quick Facts

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

Description

Senior Full Stack Engineers design, develop, and maintain end-to-end software applications from frontend to backend. The role includes building responsive, user-friendly web interfaces, developing server-side components, optimizing backend performance and reliability, and designing efficient database structures and queries. You will also support development workflows with AI coding agents such as Cursor and Claude Code.

Responsibilities

• Design, implement, and optimize responsive web interfaces (UI/UX)

• Develop and maintain server-side components

• Monitor and optimize backend performance, scalability, and reliability

• Collaborate with data engineers, product managers, and designers

• Write clean, efficient, and well-documented code following best practices

• Use AI coding agents (Cursor, Claude Code, Codex) to support development

• Design database structures and write efficient queries

• Perform thorough testing and debugging

• Stay current with industry trends and propose improvements to backend architecture and processes

• Participate in code reviews and mentor junior developers

• Coordinate with DevOps engineers to deploy and maintain applications in production

• Provide technical guidance and support 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

Benefits

• Career development programs; mentoring and soft-skills & well-being programs

• Certification support (Anthropic, Gemini, GCP, Azure, AWS)

• English classes

• Stable pay; Employee Stock Purchase Plan with a 15% discount

• Benefits package (health insurance, MultiSport, shopping vouchers)

• Referral bonuses up to $2,000

• Hybrid-by-design with opportunity to work remotely within Poland; chance to work abroad up to 60 days annually

• Business-driven relocation opportunities

• Company events and office amenities (snacks, coffee, entertainment zones)