Full Stack Engineer
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Eastoner is a technology consulting and custom software development company, helping businesses transform ideas into digital solutions. We specialize in building scalable web platforms and intuitive mobile applications for clients across the US, EU, and other strategic markets. With a strong engineering culture, deep industry expertise, and a focus on delivering real business outcomes, we help startups and established companies innovate, grow, and stay ahead of the curve. Our team works closely with clients to ensure every product we develop is functional, user-centric, and market-ready.
We’re looking for a Full Stack Developer (Java + React) to join our team and work on a project in the Supply Chain & Logistics domain. You’ll develop new features using Java and React, working across both the frontend and backend as part of an experienced team.
Responsibilities:
- Build and update Java/Spring Boot services, APIs, integrations, and business logic
- Turn product and design requirements into clean UX on desktop, tablet, and mobile
- Handle frontend architecture and state using React, Redux Toolkit, and Redux Saga
- Build reusable components with Material UI and/or DevExpress
- Connect the frontend to REST APIs, auth, backend workflows, and other systems
- Debug issues across the browser, frontend, API, and backend
- Keep code quality, performance, accessibility, and responsiveness high
- Work well in a fast-paced environment with changing requirements
Requirements:
- 3+ years of commercial experience with Java
- Professional Java and Spring Boot experience (APIs, services, integrations, business logic)
- Strong JavaScript skills with production experience in React and Redux
- Experience building responsive apps for desktop, tablet, and mobile
- Production experience with Redux Toolkit and Redux Saga
- Clean, semantic HTML5/CSS3
- Experience with Material UI and/or DevExpress
- Good understanding of REST APIs, client/server architecture, and authentication
- Strong debugging skills on both frontend and backend
- Comfortable with changing requirements and high ownership
- Upper-Intermediate+ English
Nice to Have:
- Experience using AI coding tools (Claude Code, Cursor, or similar)
We Offer:
- 15 Days of vacation: Recharge and unwind with 15 business days of paid vacation each year
- 12 Paid Sick Days: We care about your well-being — take time off whenever you need to feel your best
- Public Holidays: Take time to celebrate, relax, and feel your best during official holidays
- Accounting Support: Focus on your work — our accountant will take care of the paperwork
- English Courses: Improve your communication skills with English lessons from native speakers
- Professional Growth: We support your development by covering the cost of professional training and courses
- Work Equipment: Everything you need for comfortable work — laptop, mouse, keyboard
- Medical Insurance: Your well-being matters — we’ve got you covered with full medical support
- IT Cluster Membership: Be part of the local tech community and enjoy exclusive perks
- Office: Work from our cozy Lviv office, fully equipped with generators and Starlink to keep you connected
- Team Buildings: We love bringing people together — enjoy time with the team beyond work