Senior Fullstack Developer (Java + React) - R01563758

About Brillio
Born digital in 2014, Brillio is a powerhouse of digital transformations. Orchestrated around the superpowers of technology – Cloud, AI, Mobile, IoT, we are a partner of choice for leading companies around the world, helping them leverage digital technologies. We have a global workforce of 6000+ people present in 15 locations across 6 countries – USA, Canada, Mexico, UK, Romania, and India. We have been consistently certified by Great Place To Work® institute in USA, India, UK, and Romania for our strong foundational values and employee-centric culture. 

Brillio Romania
We are a dynamic and rapidly growing company with over 250 colleagues country wide and offices in Cluj, Oradea and Bucharest. With its fast-paced growth, the company has consistently demonstrated an unwavering commitment to client satisfaction.
At Brillio Romania, we know our success comes from the innovative contributions and brilliant work of our people. So, we make fostering a positive work environment our top priority. Our colleagues not only thrive, but they also have the chance to build long and fulfilling careers, fostering a sense of stability and dedication that ultimately benefits both the company and our valued clients.

Accelerate YOU at Brillio!!

About the Role
 
We are looking for a highly skilled Senior Full Stack Developer (Java + React) to join our team and contribute to the development of a mission-critical enterprise payments platform.
You will be responsible for building secure, scalable, and high-performance applications that support payment processing, transaction management, and financial integrations. This role requires strong expertise across both backend and frontend technologies, as well as a solid understanding of payments systems and financial-grade applications.

Key Responsibilities

• Design, develop, and maintain end-to-end full stack solutions using Java (Spring Boot) and React.


• Build and enhance payment processing systems, including transaction workflows and integrations with external providers.


• Develop secure and scalable RESTful APIs and backend services.


• Implement responsive and high-quality user interfaces with React.


• Ensure high availability, performance, and scalability of payment systems.


• Apply secure coding practices aligned with financial and regulatory standards.


• Collaborate with product owners, architects, QA, and DevOps teams to deliver robust solutions.


• Participate in system design, architecture decisions, and code reviews.


• Troubleshoot and resolve complex production issues.


• Contribute to CI/CD pipelines, automated testing, and deployment processes.

• 6+ years of experience in full stack development.


• Strong expertise in Java and Spring Boot and React (modern hooks, state management)


• Experience building enterprise-grade applications, preferably in payments or financial services.


• Solid understanding of microservices architecture and distributed systems.


• Experience with REST APIs, asynchronous processing, and messaging systems (e.g., Kafka, RabbitMQ).


• Strong knowledge of SQL/NoSQL databases.


• Familiarity with authentication and security standards (e.g., OAuth2, JWT, PCI-DSS awareness).


• Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).


• Proficiency with Git and CI/CD tools.


• Available to work 4-5 hours overlap with EST timezone

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