Fullstack React/Java Developer

Location: Need to sit onsite in Seattle, WA (hybrid)
Interview Process: 2 Round - Technical
# of openings: 4
Seniority: x4 or x5 (8-10+ years)
Intake Notes: Will have a formal intake when the SOW is approved this week. This is a pipleine req for now.
Must Haves:
1) It will be 70% React.js
2) Java
3) Kafka
4) NoSQL
We are seeking a talented and experienced Senior Full Stack Developer with a strong emphasis on React.js to join our dynamic team. In this role, you will be responsible for building and maintaining high-performance, scalable applications that power our platform. You will spend approximately 70% of your time working on front-end development using React.js and the remaining 30% on back-end technologies including Java, Kafka, and NoSQL databases.
Key Responsibilities:

• Front-End Development (70%):
  
• Design, develop, and optimize user interfaces using React.js.
  
• Collaborate with UI/UX designers to implement responsive and visually appealing web applications.
  
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
  
• Maintain and improve existing React.js applications with a focus on performance and user experience.
  
• Back-End Development (30%):
  
• Develop and maintain robust back-end systems using Java.
  
• Integrate and manage Kafka for real-time data streaming and event-driven architecture.
  
• Work with NoSQL databases to design, develop, and optimize data models that support large-scale applications.
  
• Collaborate with DevOps to deploy, monitor, and troubleshoot applications in a cloud environment.
  
• Collaboration & Communication:
  
• Work closely with cross-functional teams including Product, Design, and DevOps to deliver high-quality software solutions.
  
• Participate in code reviews, pair programming, and knowledge-sharing sessions.
  
• Contribute to the continuous improvement of development processes and best practices.
  

Required Skills & Experience:

• Proven experience in front-end development with React.js (70% focus).
  
• Strong proficiency in Java for back-end development.
  
• Hands-on experience with Kafka for real-time data processing.
  
• Expertise in NoSQL databases (e.g., MongoDB, Cassandra, DynamoDB).
  
• Solid understanding of RESTful APIs and microservices architecture.
  
• Experience with version control systems (e.g., Git).
  
• Familiarity with cloud platforms (e.g., AWS, Azure) is a plus.
  
• Excellent problem-solving skills and attention to detail.
  
• Strong communication and teamwork abilities.
  

Education:

• Bachelors degree in Computer Science, Engineering, or a related field, or equivalent practical experience.