InterAction24

Fullstack React/Java Developer

InterAction24  •  Seattle, WA (Hybrid)  •  3 months ago
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Job Description

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.
InterAction24

About InterAction24

At InterAction24, we recognize that business success is built on more than just workforce acquisition—it requires a holistic, scalable approach tailored to the unique challenges of each organization. We integrate industry expertise, strategic insights, and technology to ensure businesses have the support they need to operate efficiently and adapt to changing demands.

• Business-Centric Solutions – We take the time to understand our clients’ goals, pain points, and operational structures, delivering tailored solutions that align with their growth strategies.

• Agile & Scalable Support – Whether managing short-term operational demands or developing long-term workforce strategies, our solutions are designed to be flexible and scalable.

• Technology-Enhanced Execution – We utilize modern technology to enhance, not replace, the human element—streamlining operations, improving decision-making, and ensuring seamless execution of workforce strategies.

• Industry Expertise – With deep experience in Pharmaceutical, Telecommunications, Utilities, Financial Services, Insurance, and Government sectors, we bring specialized knowledge that ensures businesses have the right solutions to drive operational success.

A Partnership Focused on Growth

At InterAction24, we don’t believe in one-size-fits-all approaches. We build customized, strategic solutions that help businesses operate more efficiently, reduce risk, and drive measurable impact. Through a combination of expert advisory, streamlined execution, and industry insight, we empower organizations to stay ahead in an increasingly complex business environment.

Our success is built on partnership, performance, and precision—ensuring that every solution we deliver is aligned with the unique goals and challenges of the businesses we serve.

InterAction24: The Partner Businesses Trust to Build, Optimize, and Grow.

Industry
HR & Recruiting
Company Size
1-10 employees
Headquarters
Skillman, New Jersey
Year Founded
2018
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