UI Developer React JS

📍 Job Overview

Job Title: UI Developer (React.js / Java / Microservices)

Company: Orion Innovation Naukri

Location: Ambattur, Chennai, India

Job Type: Full-time

Category: Software Engineering / Frontend Development

Date Posted: March 09, 2026

Experience Level: Mid-Senior Level (7-8 years)

Remote Status: Hybrid

🚀 Role Summary

• This role is focused on the development of modern, scalable, and high-performance enterprise applications, emphasizing a strong blend of frontend and backend expertise.

• The core of the role involves building robust user interfaces using React.js, coupled with significant backend development using Core Java and Spring Boot within a microservices framework.

• A key aspect of the role includes ensuring application performance and stability through diligent monitoring and logging, with a mandatory requirement for Splunk expertise.

• The position also requires a solid understanding of APIs, data formats, and the implementation of CI/CD pipelines to support efficient development and deployment cycles.

📝 Enhancement Note: While the job title is "UI Developer," the extensive backend requirements (Core Java, Spring Boot, Microservices) indicate this is a full-stack or highly integrated frontend role, focusing on the end-to-end development of application features rather than purely UI design. The emphasis on enterprise applications and scalability suggests a need for robust, production-ready code.

📈 Primary Responsibilities

• Design, develop, and implement user-friendly and responsive frontend components using React.js.

• Develop and maintain backend services and APIs using Core Java, Spring Boot, and adhering to microservices architecture principles.

• Integrate frontend and backend components to deliver seamless, high-performance enterprise applications.

• Implement and manage application monitoring solutions using Splunk, and potentially Dynatrace, to ensure system health and performance.

• Collaborate with cross-functional teams, including product managers and QA engineers, to define, design, and ship new features.

• Write clean, maintainable, and efficient code, adhering to best practices in software development.

• Participate in code reviews to ensure code quality, share knowledge, and mentor junior developers.

• Troubleshoot, debug, and upgrade existing systems, identifying and implementing performance enhancements.

• Ensure adherence to security best practices and utilize security tools like Sonatype, WebInspect, or Fortify as needed.

• Contribute to the CI/CD pipeline, utilizing tools like Jenkins for automated builds, testing, and deployments.

📝 Enhancement Note: The primary responsibilities highlight a full-stack development expectation. The inclusion of mandatory Splunk experience and exposure to security tools suggests a focus on operational excellence, observability, and security integrated into the development lifecycle, which is common in SRE or DevOps-adjacent development roles.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Experience: 7-8 years of overall professional experience in software development, with a significant portion focused on UI development and backend technologies.

Required Skills:

• Frontend: Strong hands-on experience with React.js, including component-based architecture, state management, and hooks.

• Backend: Strong proficiency in Core Java (Java Streams, OOPs concepts, Java Reflection) and hands-on experience with Spring Boot.

• Architecture: Good understanding of Microservices Architecture principles and best practices.

• APIs & Data: Solid understanding of REST APIs, JSON, and XML data formats.

• Monitoring: Hands-on experience with Splunk for application monitoring and log analysis (Mandatory).

• DevOps: Working knowledge of CI/CD concepts and experience with Jenkins.

• Testing: Experience with API testing and automation using tools like Postman.

• Environment: Experience with Unix / Shell Scripting.

Preferred Skills:

• Exposure to application monitoring tools like Dynatrace.

• Understanding of application security tools such as Sonatype, WebInspect, or Fortify.

• Familiarity with other frontend frameworks or libraries.

• Experience with cloud platforms (AWS, Azure, GCP).

• Knowledge of containerization technologies like Docker and Kubernetes.

📝 Enhancement Note: The mandatory requirement for Splunk and preferred experience with other security/monitoring tools suggest that operational aspects and system observability are as crucial as core development skills. This indicates a role that values developers who can contribute to application stability and performance monitoring.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrations of complex frontend applications built with React.js, showcasing component reusability, state management strategies, and performance optimization techniques.

• Examples of backend microservices developed using Core Java and Spring Boot, highlighting API design, data persistence, and integration patterns.

• Case studies or examples of implementing CI/CD pipelines using Jenkins, detailing automated build, test, and deployment processes.

• Evidence of experience with application monitoring and logging, particularly with Splunk, showcasing how issues were identified and resolved.

Process Documentation:

• Ability to document complex application architectures, including frontend-backend interactions and microservice dependencies.

• Experience in creating clear API documentation for internal and external consumption.

• Documentation of CI/CD workflows, including setup, configuration, and maintenance.

• Records of implementing and maintaining application monitoring dashboards and alerts within Splunk.

📝 Enhancement Note: Given the blend of frontend and backend responsibilities, a portfolio should ideally showcase full-stack projects. Specific emphasis on React.js application structure, Java/Spring Boot service design, and practical application of CI/CD and monitoring tools will be critical for demonstrating competence.

💵 Compensation & Benefits

Salary Range:

For a Mid-Senior UI Developer with 7-8 years of experience in Ambattur, Chennai, India, the estimated salary range is ₹12,00,000 to ₹20,00,000 per annum. This range accounts for the specific technical skill set (React.js, Core Java, Spring Boot, Splunk) and the hybrid work model.

Benefits:

• Comprehensive health insurance coverage.

• Paid time off (vacation, sick leave, holidays).

• Opportunities for professional development and continuous learning.

• Access to modern technology and development tools.

• Retirement savings plan or provident fund contributions.

• Potential for performance-based bonuses.

Working Hours:

The standard working hours are typically 40 hours per week. While the role is hybrid, specific days in the office may be required, with flexibility often provided for core working hours to accommodate tasks and team collaboration.

📝 Enhancement Note: The salary range is an estimate based on industry benchmarks for similar roles in Chennai, India, considering the required experience level and the specific technology stack. It's important to note that actual compensation can vary based on individual qualifications, interview performance, and the company's specific compensation policies.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology Services & IT Consulting

Company Size: Orion Innovation is a large global company with a significant employee base, suggesting a structured environment with established processes and opportunities for diverse project exposure. This size often means access to extensive resources and a wide range of career paths.

Founded: Orion Innovation has a history dating back several decades, indicating stability and a proven track record in the technology sector. This longevity often translates to a culture that values experience, robust engineering practices, and long-term client relationships.

Team Structure:

• The development team is likely structured into functional units or project teams, with this role reporting into a development lead or engineering manager.

• Collaboration is expected to be cross-functional, involving UI/UX designers, backend developers, QA engineers, DevOps specialists, and potentially product managers.

Methodology:

• Agile methodologies (e.g., Scrum, Kanban) are likely employed for project management, emphasizing iterative development, continuous feedback, and adaptability.

• A strong focus on code quality, performance optimization, and application observability (via Splunk) suggests a commitment to robust engineering practices.

• DevOps principles are integrated, with a focus on CI/CD for streamlined development and deployment.

Company Website: https://www.orioninc.com/

📝 Enhancement Note: Given the company's industry and size, the culture likely balances innovation with structured processes. A "UI Developer" with extensive backend requirements points to a need for developers who can operate within a well-defined framework while contributing to complex, end-to-end application development.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned at a Mid-Senior level, typically requiring 7-8 years of experience. It signifies a developer who is expected to be largely independent in their tasks, capable of solving complex problems, and contributing to architectural discussions. They are expected to mentor junior team members and take ownership of key features.

Reporting Structure: The developer will likely report to a Development Lead or Engineering Manager, and will work closely with other developers, QA, product owners, and potentially architects. Collaboration across different technology stacks (frontend, backend, DevOps) is a key aspect.

Operations Impact: While not a traditional "operations" role, the emphasis on Splunk, CI/CD, and microservices means this developer's work directly impacts application stability, performance, and the efficiency of the development lifecycle. Their contributions are critical to delivering reliable and scalable enterprise solutions, which directly supports business operations and revenue generation.

Growth Opportunities:

• Technical Specialization: Deepen expertise in React.js, Java, Spring Boot, or microservices architecture.

• DevOps & Cloud: Transition towards DevOps roles or specialize in cloud-native development and operations.

• Lead Roles: Progress to a Senior Developer, Tech Lead, or Architect role, taking on more design responsibility and team leadership.

• Cross-functional Exposure: Gain experience in other areas of the software development lifecycle, such as advanced testing, security, or performance engineering.

• Project Management: Move into project management or team lead positions, managing development teams and project delivery.

📝 Enhancement Note: The term "Operations" in this context is broader, encompassing the operational health and efficiency of the software development and deployment processes, rather than a dedicated Revenue or Sales Operations function. The growth paths are geared towards deepening technical expertise or moving into leadership within the engineering domain.

🌐 Work Environment

Office Type: The role is designated as Hybrid, meaning it will involve a combination of working remotely and from a physical office location. This suggests a need for effective communication and collaboration tools to bridge the gap between in-office and remote team members.

Office Location(s): The primary office location is in Ambattur, Chennai. This area is a significant industrial and IT hub in Chennai, likely offering good connectivity and access to talent.

Workspace Context:

• The hybrid model allows for flexibility, with opportunities to collaborate in person for team meetings, brainstorming sessions, and critical project phases, while also leveraging remote work for focused individual tasks.

• Access to modern development tools, robust infrastructure, and potentially cloud environments will be provided to support efficient development and deployment.

Work Schedule:

Standard working hours are expected, with potential flexibility. The hybrid nature means there will be designated office days, requiring presence for in-person collaboration, while other days can be worked remotely. This schedule supports the need for continuous development cycles and integration with the broader team.

📝 Enhancement Note: The hybrid nature requires candidates to be comfortable with both remote and in-office work. The emphasis on collaboration suggests that communication skills and the ability to work effectively in a distributed team are crucial.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A preliminary call with an HR representative or recruiter to assess basic qualifications, experience, and cultural fit.

• Technical Interview(s): One or more rounds of technical interviews focusing on React.js, Core Java, Spring Boot, Microservices, API design, and problem-solving. This may include live coding challenges or in-depth discussions on past projects.

• Splunk/DevOps Assessment: A dedicated segment to evaluate your practical experience and understanding of Splunk, CI/CD concepts, and Jenkins.

• System Design/Architecture Discussion: A session to discuss your approach to designing scalable and performant enterprise applications, potentially involving a whiteboarding exercise.

• Final Interview: A conversation with the hiring manager or a senior stakeholder to assess overall fit, career aspirations, and alignment with team goals.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your strongest projects that best demonstrate your React.js frontend skills, Core Java/Spring Boot backend capabilities, and experience with microservices.

• Highlight Impact: For each project, clearly articulate the problem you solved, the technologies used, your specific contributions, and the positive outcomes or impact (e.g., performance improvements, user engagement, efficiency gains).

• Showcase Splunk/CI/CD: If possible, include examples or descriptions of how you've implemented or utilized Splunk for monitoring or Jenkins for CI/CD in your projects.

• Be Ready to Discuss: Prepare to walk through your code, explain design decisions, and answer technical questions about your portfolio pieces in detail.

Challenge Preparation:

• Coding Challenges: Practice common algorithm and data structure problems, as well as React.js specific challenges (component lifecycle, state management). Familiarize yourself with Java coding best practices.

• System Design: Study patterns for microservices, API design, and scalable application architectures. Understand how to approach trade-offs in system design.

• Splunk Scenarios: Be prepared to discuss how you would use Splunk to debug performance issues, identify root causes of errors, or monitor application health.

• Behavioral Questions: Prepare to answer questions about teamwork, problem-solving, and handling challenges, using the STAR method (Situation, Task, Action, Result).

📝 Enhancement Note: The emphasis on Splunk and CI/CD suggests that interviewers will probe deeply into practical application of these tools. Demonstrating how you've used them to solve real-world problems will be highly advantageous.

🛠 Tools & Technology Stack

Primary Tools:

• Frontend: React.js, JavaScript, HTML5, CSS3.

• Backend: Core Java (Java 8+), Spring Boot, Spring Framework.

• APIs: RESTful APIs, JSON, XML.

• Databases: Experience with SQL and NoSQL databases is beneficial.

• Version Control: Git.

Analytics & Reporting:

• Monitoring: Splunk (Mandatory), Dynatrace (Preferred).

• Testing: Postman for API testing.

CRM & Automation:

• CI/CD: Jenkins, general CI/CD concepts.

• Security Tools: Sonatype, WebInspect, Fortify (understanding or exposure).

• Operating Systems: Unix / Shell Scripting.

📝 Enhancement Note: The mandatory requirement for Splunk indicates it's a critical tool for this role, likely deeply integrated into team workflows for observability and debugging. Proficiency here is non-negotiable.

👥 Team Culture & Values

Operations Values:

• Technical Excellence: A commitment to writing high-quality, maintainable, and performant code, driven by strong Core Java and React.js skills.

• Collaboration: Emphasis on teamwork, knowledge sharing, and cross-functional communication to achieve project goals in a hybrid environment.

• Continuous Improvement: A drive to optimize processes, enhance application performance, and stay updated with new technologies, particularly in areas like CI/CD and monitoring.

• Problem Solving: A proactive approach to identifying and resolving technical challenges, leveraging tools like Splunk for effective debugging.

• Reliability: A focus on building robust and stable enterprise applications that meet business needs consistently.

Collaboration Style:

• Team members are expected to communicate effectively, both asynchronously (e.g., via Slack, email, Jira) and synchronously (e.g., during team meetings, daily stand-ups, pair programming sessions).

• An open feedback culture is encouraged, where constructive criticism is shared and received to foster growth and improve code quality.

• Cross-functional collaboration is key, requiring developers to work closely with QA, DevOps, and product stakeholders to ensure alignment and successful delivery.

📝 Enhancement Note: The values reflect a pragmatic engineering culture that prioritizes delivering stable, performant software through skilled development and robust operational practices.

⚡ Challenges & Growth Opportunities

Challenges:

• Integration Complexity: Effectively integrating complex React.js frontend applications with microservices-based Java backends, ensuring seamless data flow and user experience.

• Splunk Mastery: Becoming proficient in using Splunk for advanced monitoring, log analysis, and proactive issue detection within a large enterprise application landscape.

• Hybrid Work Dynamics: Maintaining high levels of collaboration and productivity while working in a hybrid team environment.

• Evolving Technologies: Keeping pace with rapid advancements in React.js, Java ecosystems, and DevOps practices to ensure solutions remain modern and efficient.

• Security & Compliance: Adhering to strict security standards and integrating security tools into the development workflow without compromising efficiency.

Learning & Development Opportunities:

• Advanced Training: Opportunities for specialized training in React.js, Java performance tuning, microservices design patterns, and advanced Splunk usage.

• Certifications: Support for obtaining relevant certifications in cloud technologies, Java development, or DevOps tools.

• Mentorship Programs: Access to senior engineers and architects for guidance and career development advice.

• Exposure to New Projects: Involvement in diverse projects that utilize cutting-edge technologies and address complex business challenges.

• Conferences & Workshops: Participation in industry conferences and workshops to stay abreast of the latest trends and network with peers.

📝 Enhancement Note: The challenges are directly tied to the technical requirements and the nature of enterprise development. The growth opportunities are designed to help individuals overcome these challenges and advance their careers within the organization.

💡 Interview Preparation

Strategy Questions:

• React.js Performance: "Describe how you would optimize the performance of a large React.js application. What tools and techniques would you use?" (Prepare to discuss concepts like code splitting, memoization, lazy loading, virtual DOM optimization, and performance profiling.)

• Microservices Communication: "Explain the challenges of inter-service communication in a microservices architecture and how you would address them. Give an example using Spring Boot." (Focus on patterns like REST, gRPC, message queues, and error handling strategies.)

• Splunk for Debugging: "Imagine a critical application error occurs that is difficult to reproduce. How would you use Splunk to diagnose the root cause?" (Prepare to discuss log aggregation, search queries, dashboard creation, and alert configuration.)

Company & Culture Questions:

• "How do you approach working in a hybrid environment, and what strategies do you use to ensure effective collaboration with remote team members?"

• "Describe a time you had to learn a new technology quickly for a project. How did you approach it?"

Portfolio Presentation Strategy:

• Start with the "Why": For each project, clearly articulate the business problem or user need it addressed.

• Show, Don't Just Tell: Prepare to share your screen and demonstrate key features of your React.js applications. Walk through the code for critical backend components.

• Quantify Impact: Use metrics whenever possible to showcase the success of your work (e.g., "Reduced load time by 30%," "Increased API response speed by 15%," "Improved monitoring coverage leading to 20% fewer critical incidents").

• Explain Your Role: Be precise about your contributions, especially in team projects, and highlight your specific technical decisions and rationale.

📝 Enhancement Note: Be prepared to demonstrate practical application of Splunk and CI/CD tools. Interviewers will likely want to see how you've used these to solve real-world engineering problems, not just theoretical knowledge.

📌 Application Steps

To apply for this UI Developer position:

• Submit your application through the provided link on the Greenhouse platform.

• Tailor Your Resume: Highlight your experience with React.js, Core Java, Spring Boot, Microservices, and critically, your mandatory Splunk expertise. Use keywords from the job description.

• Prepare Your Portfolio: Curate 2-3 strong projects that showcase your full-stack capabilities, focusing on React.js, Java/Spring Boot, and any experience with CI/CD or monitoring tools. Be ready to present and discuss these in detail.

• Research Orion Innovation: Understand their services, company culture, and recent news. This will help you tailor your answers during interviews and demonstrate genuine interest.

• Practice Technical Scenarios: Brush up on common interview questions related to React.js, Java, microservices, API design, and especially Splunk usage for debugging and monitoring.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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