Senior Java Fullstack Engineer

N-iX is a software development service company that helps businesses across the globe develop successful software products. During 20 years on the market and by leveraging the capabilities of Easter Europe talents, the company has grown to 2400+ professionals with a broad portfolio of customers in the area of Fortune 500 companies as well as technological start-ups. With its headquarters in Lviv, Ukraine, the company also has multiple development offices in the East European region and representative entities in the United States of America, Sweden, and Malta.We are seeking an experienced Senior Java FullStack (React) Engineer to join a high-impact, strategic technology initiative. This position is open for the business as it focuses on building a brand-new client-facing platform from scratch. The role directly impacts product delivery, scalability, and user experience. Our customer specializes in providing mortgage and refinancing solutions for homebuyers — including first-time buyers — and offers a range of residential loan products across multiple U.S. states.Responsibilities:Design and develop a new client-facing web platform from scratch.Collaborate cross-functionally to deliver a scalable, high-performance product.Contribute to both frontend and backend architecture and implementation.Lead initiatives for cloud infrastructure, CI/CD, and DevOps.Help shape future development of our mobile platform.Requirements:5+ years of hands-on software develpment experience.Expert-level knowledge of Java (with Spring Framework), React (preferred) or Angular, and AWS (EC2, S3, RDS, Lambda, etc.)Strong experience with relational databases such as MySQL and PostgreSQL.Familiarity with GitHub Actions / CI/CD pipelines.Upper-Intermediate English level (written and verbal) is a must.Nice to haveReact Native (for upcoming mobile projects).AWS certification or strong cloud architecture background.Experience with Scrum/Agile environments.Background in finance or fintech industries.Mobile development experience.We offer*:Flexible working format - remote, office-based or flexibleA competitive salary and good compensation packagePersonalized career growthProfessional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)Active tech communities with regular knowledge sharingEducation reimbursementMemorable anniversary presentsCorporate events and team buildingsOther location-specific benefitsnot applicable for freelancers