Senior Full Stack Engineer

Quick Facts

• Role: Senior Full Stack Engineer

Description

Design, develop, and maintain end-to-end software applications from frontend to backend. Build responsive, user-friendly interfaces, implement server-side components, optimize backend performance and scalability, and design database structures and queries. Collaborate with cross-functional teams and support production deployments.

Responsibilities

• Design, implement, and optimize responsive, user-friendly web interfaces
• Develop and maintain server-side components
• Monitor and optimize performance, scalability, and reliability of backend systems
• Collaborate with data engineers, product managers, and designers to integrate frontend and backend
• Write clean, efficient, and well-documented code following best practices
• Use AI coding agents such as Cursor, Claude Code, and Codex to support development workflows
• Design database structures and optimize queries
• Perform thorough testing and debugging
• Stay current with industry trends and propose improvements to backend architecture and development processes
• Participate in code reviews and mentor junior developers
• Collaborate with DevOps to deploy and maintain applications in production
• Provide technical guidance to team members

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

Benefits

• Career development programs
• Thought leadership, mentoring, soft skills, and well-being programs
• Certifications (Anthropic, Gemini, GCP, Azure, AWS)
• English classes
• Stable pay
• Employee Stock Purchase Plan with a 15% discount
• Health insurance, Multisport, shopping vouchers
• Referral bonuses up to $2,000
• Hybrid-by-design mode; opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• Corporate, social, and well-being events
• Offices with entertainment and relaxation zones (table tennis, football), free snacks and coffee
• Contractor (B2B) option available; benefits apply to employees only