Job Overview
| Particulars | Details |
|---|---|
| Position | Java Full Stack Developer |
| Company | ComUnus Technologies Pvt. Ltd |
| Location | Malad, Mumbai |
| Job Type | Full-Time |
| Experience | 3 - 5 years |
| Category / Department | IT |
| Application Mode |
🏢 About ComUnus Technologies Pvt. Ltd
Founded in 2016, ComUnus Technologies Pvt. Ltd. is one of India's fastest-growing IT services and consulting organizations. The company's name derives from the Latin words "Com" (together) and "Unus" (one), reflecting its strong belief in building lasting relationships with customers, employees, partners, and investors.
ComUnus focuses on delivering innovative technology solutions while maintaining core values of transparency, commitment, continuous improvement, and exceeding customer expectations. The company believes that while technologies evolve continuously, strong relationships remain timeless.
ComUnus Technologies Pvt. Ltd.
902, 9th Floor,
Oriana Business Park,
Road No. 22,
Wagle Estate,
Thane, Mumbai,
Maharashtra – 400604
💡 Editor's Note / Preparation Tip
📄 Resume Preparation Tips
• Highlight your Java, Spring Boot, and Full Stack development experience prominently
• Mention project architecture, scale, and business impact
• Include detailed descriptions of REST API and database work
• Quantify achievements wherever possible
• Add GitHub, LinkedIn, and portfolio links
• Showcase problem-solving and optimization experience
🎯 Interview Preparation
Prepare the following topics thoroughly:
• Core Java and Advanced Java
• OOP concepts and design patterns
• Spring Core, Spring MVC, and Spring Boot
• Hibernate and JPA
• RESTful API design
• JSP and Servlets
• Collections Framework
• Multithreading and Concurrency
• Exception Handling
• Database optimization and SQL queries
• System Design fundamentals
• Microservices Architecture
💡 Technical Topics to Focus
• Java 8+ features
• Dependency Injection
• Spring Security basics
• REST API best practices
• Hibernate mappings
• SQL Joins and Query Optimization
• Transaction Management
• Design Patterns
• JVM internals basics
• Garbage Collection
• Frontend fundamentals (HTML, CSS, JavaScript)
• Application deployment
🚀 Pro Tips
• Prepare detailed explanations for your recent projects
• Practice coding and debugging exercises
• Understand end-to-end application architecture
• Be prepared to explain performance optimizations
• Practice SQL queries and Java coding problems
• Prepare behavioral interview answers using STAR methodology
📝 Job Description
🚀 We're Hiring | Java Full Stack Developer | Mumbai
🏢 Company: ComUnus Technologies Pvt. Ltd.
📍 Location: Malad, Mumbai
💼 Role: Java Full Stack Developer
👨💻 Experience: 3+ Years
👥 Open Positions: 5
🕒 Notice Period: Immediate Joiners Preferred
📌 Preferred Candidates: Mumbai-based Candidates
⭐ Good to Have Skills
• Experience with Microservices Architecture
• Knowledge of CI/CD pipelines
• Familiarity with Git and version control systems
• Cloud platform exposure (AWS/Azure/GCP)
• Experience with containerization technologies
• Knowledge of Agile/Scrum methodologies
• Front-end frameworks exposure
📋 Detailed Job Description
As a Java Full Stack Developer at ComUnus Technologies, you will be responsible for designing, developing, deploying, and maintaining enterprise-grade applications using modern Java technologies and frameworks. You will work closely with business stakeholders, architects, and engineering teams to deliver scalable and secure software solutions.
Your responsibilities include backend service development, REST API creation, database optimization, front-end integration, troubleshooting production issues, and implementing best practices for software development. You will participate in architecture discussions, code reviews, deployment processes, and continuous improvements.
The role requires strong technical expertise, problem-solving abilities, independent ownership, and a passion for building robust enterprise applications.
🎓 Educational Qualifications
UG: B.E./B.Tech/BCA/B.Sc in Computer Science, Information Technology, or related field
Preferred:
• MCA
• M.Tech
• Equivalent technical degree
🌟 Why Join ComUnus?
• Opportunity to work with a fast-growing IT services and consulting company
• Exposure to enterprise-scale application development
• Work on modern Java technologies and frameworks
• Collaborative and relationship-driven work culture
• Strong focus on innovation and customer satisfaction
• Opportunities for technical and professional growth
• Learn from experienced engineering professionals
📩 How to Apply
Interested candidates can share their updated resume at:
Please mention:
• Total Experience
• Relevant Java Experience
• Current CTC
• Expected CTC
• Current Location
• Notice Period
• Availability for Interview
🎯 Key Responsibilities
- ✓ Analyze, design, develop, test, and deploy enterprise-grade Java/J2EE applications
- ✓ Develop scalable backend applications using Java, Spring Boot, Spring MVC, and Hibernate
- ✓ Design and implement RESTful Web Services and APIs
- ✓ Develop responsive front-end components using HTML5, JavaScript, CSS, and AJAX
- ✓ Write optimized database queries and manage Oracle/MySQL databases
- ✓ Troubleshoot, debug, and resolve production issues and perform root cause analysis (RCA)
- ✓ Collaborate with cross-functional teams to deliver business requirements
- ✓ Participate in code reviews and maintain coding standards
- ✓ Optimize application performance and scalability
- ✓ Work independently while contributing effectively to team objectives
💡 Required Qualifications & Skills
🚀 Career Guidance & Interview Insights
To help you succeed, we've compiled original preparation guides, resume keywords, and growth analytics for this category of role.
Joining as a Java Full Stack Developer offers a fantastic opportunity to work at the forefront of technological innovation. You will be exposed to modern software development lifecycles, collaborate with cross-functional product teams, and design scalable architectures that directly impact end-users. The continuous learning curve in tech ensures that your programming, debugging, and system engineering skills remain highly marketable and sharp.
The career roadmap in technology is highly rewarding. Typical progression starts as a Junior Software Engineer, moving to Associate Developer and then Senior Software Engineer (3-6 years). From there, professionals choose between an individual contributor track—becoming a Tech Lead, Staff Engineer, and Principal Architect—or a management track, advancing to Engineering Manager, Director of Engineering, and Chief Technology Officer (CTO).
Expected Technical & Behavioral Questions:
- Q1: How do you optimize database query performance?
Answer Tip: Talk about indexing strategies, query execution plan analysis, avoiding N+1 queries, and implementing caching layers (like Redis). - Q2: Explain the differences between Microservices and Monolithic architecture.
Answer Tip: Highlight scaling advantages, loose coupling, independent deployments, network latency considerations, and data consistency challenges in microservices. - Q3: How do you handle merge conflicts in Git?
Answer Tip: Explain checking out the local branch, pulling the latest main branch, running git merge, opening the conflicted files to resolve blocks manually, and committing the resolved merge.
To pass automated ATS (Applicant Tracking System) screening and catch the recruiter's eye, tailor your resume with the following tips:
- Keywords to include: Software Engineering, SDLC, OOP, CI/CD Pipelines, SQL databases, Agile, Unit Testing, Code Review, Cloud Architectures (AWS/Azure).
- Format: Use a clean, single-column resume format. Avoid graphics, text boxes, or tables which can scramble ATS parser outputs.
- Quantify Results: Instead of writing 'wrote code', write 'Developed a caching system that reduced server response times by 35%.'
Estimated compensation for this role type in India is ₹6,00,000 - ₹12,00,000 per annum (Mid level). The actual salary package offered depends on factors such as company size, work mode (remote or on-site), individual technical proficiency, and negotiations during final HR rounds.
Highly recommended certifications include: AWS Certified Solutions Architect, Microsoft Certified: Azure Fundamentals, Certified Kubernetes Administrator (CKA), Oracle Certified Professional Java SE, or tech-stack specific achievements (e.g. Meta Front-End Developer certification).
Frequently Asked Questions
Q1. Is Mumbai location mandatory?
✅ Mumbai candidates are preferred.
Q2. Are immediate joiners preferred?
✅ Yes, immediate joiners will be given preference.
Q3. What is the minimum experience required?
✅ Minimum 3 years of Java Full Stack development experience.
Q4. Is Spring Boot mandatory?
✅ Yes, hands-on Spring Boot experience is required.
Q5. Is database experience mandatory?
✅ Yes, Oracle/MySQL experience is required.
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