Senior Full-Stack Engineer — Remote & AI-Driven Impact

Supportyourapp-1; Poznań; On-site; PLN 447,000 - 596,000; Full time

Benefits offered by this job

Fully remote work opportunity

Compensation in USD

Inclusive and international team

Growth-focused management

Job summary

SupportYourApp is seeking a proactive Senior Full-Stack Developer to join the Application team. You will build, refine, and maintain core features across the full stack, delivering high-performance web applications and secure back-end systems.

The ideal candidate brings 8+ years of development, strong React, and hands-on Python or Java, with Fluent English. You will collaborate with Product, Designers, QA, and other developers, and leverage AI tools to accelerate delivery.

Qualifications

• 8+ years of development experience.
• 5-6 years of full-stack experience with strong frontend and backend.
• Proficient in React.
• Strong English communication (B2 or higher).
• Experience translating Figma designs into production code.

Responsibilities

• Build and maintain core features across the full stack.
• Develop and optimize the main application and Admin Interfaces.
• Implement high-fidelity UI/UX with pixel-perfect designs.
• Collaborate with Product Managers and Designers to implement features from Figma.
• Work with another developer and QA to ensure quality and smooth deployment.
• Design and maintain secure backend logic and infrastructure.
• Maintain and update the marketing website built on WordPress.
• Leverage AI tools to accelerate development and delivery.

Skills

React

Python

Java

English (B2)

Full-Stack development

Tools

Next.js

Job description

SupportYourApp is seeking a proactive Senior Full-Stack Developer to join the Application team. You will build, refine, and maintain core features across the full stack, delivering high-performance web applications and secure back-end systems.

The ideal candidate brings 8+ years of development, strong React, and hands-on Python or Java, with Fluent English. You will collaborate with Product, Designers, QA, and other developers, and leverage AI tools to accelerate delivery.