Senior Java Full Stack Consultant - Spring Boot/React.js

Position Overview

We are seeking a highly skilled and versatile Senior Java Fullstack Consultant with deep expertise in both backend and frontend development. The ideal candidate will have extensive hands-on experience in Java (v8+), Spring Boot, Microservices, React (v16+), Redux, and state management, along with proficiency in working with relational and non-relational databases. You will play a pivotal role in designing, developing, and maintaining scalable enterprise applications, integrating modern development practices, and ensuring high performance, security, and maintainability.

Key Responsibilities

Backend Development :

• Design, develop, and maintain scalable, secure, and high-performance backend applications using Java v8+, Spring Boot, and Microservices architecture.
• Implement RESTful APIs and integrate with internal/external services.
• Leverage OOP principles, design patterns, and best practices to ensure robust code quality.
• Optimize application performance, scalability, and reliability.
  

Frontend Development

• Develop and maintain responsive, interactive UIs using React v16+, Redux, and modern JavaScript/ES6+.
• Manage complex application state using Redux and related libraries.
• Collaborate closely with UX/UI designers to deliver seamless user experiences.
  

Database Management

• Work with SQL (Postgres, MySQL) and NoSQL (MongoDB, Cassandra) databases.
• Design and optimize schemas, queries, and indexing strategies for performance.
• Implement database migrations and version control strategies.
  

Messaging & Integration

• Integrate and work with messaging systems like Apache Kafka or Apache NiFi for data streaming and processing.
• Develop event-driven architectures and asynchronous communication flows.
  

Testing & Quality Assurance

• Write clean, maintainable, and well-documented code following coding standards.
• Implement unit testing (JUnit), integration testing, and automated regression testing.
• Participate in code reviews, ensuring adherence to quality and security guidelines.
  

DevOps & Deployment

• Work with Docker, Kubernetes, and container orchestration tools for application deployment.
• Follow a DevOps mindsetintegrating CI/CD pipelines, automated builds, and deployments using tools like Jenkins, GitHub Actions, or GitLab CI.
• Ensure secure and stable deployment processes across environments.
  

Collaboration & Documentation

• Collaborate with cross-functional teams including architects, QA engineers, and product managers to deliver high-quality software.
• Reverse engineer existing/legacy applications, analyze architecture, and document findings in Confluence.
• Document APIs and integration points using established tooling and standards.
  

Required Skills & Qualifications

• Core Backend : Java v8+, Spring Boot, Microservices, RESTful APIs, OOP, Design Patterns.
• Frontend : React v16+, Redux (state management), JavaScript ES6+, HTML5, CSS3.
• Databases : SQL (Postgres, MySQL), NoSQL (MongoDB, Cassandra).
• Messaging Systems : Kafka, Apache NiFi (at least one required).
• Testing : JUnit, automated unit/integration/regression tests.
• DevOps & Deployment : Docker, Kubernetes, CI/CD, Maven/Gradle, Git.
• Other : Strong debugging skills, reverse engineering capability, excellent documentation skills.
• Domain Knowledge : Experience in the finance domain is a plus.
  

Preferred Qualifications

• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Experience in performance tuning for large-scale enterprise systems.
• Strong knowledge of security best practices in fullstack development.
• Experience with API documentation tools such as Swagger or Postman.
  

(ref:hirist.tech)