Job Overview
| Particulars | Details |
|---|---|
| Position | Java Full Stack Developer |
| Company | Qualis1 Inc. |
| Location | Chicago, IL |
| Job Type | Hybrid |
| Category / Department | IT |
| Application Mode |
🏢 About Qualis1 Inc.
Company Overview:
Qualis1 Inc. is a global solutions provider offering customized technology and business services to organizations of different sizes. The company focuses on delivering innovative and scalable strategies aligned with clients' operational and strategic objectives.
Qualis1 emphasizes quality, long-term client relationships, talent development, innovation, and client satisfaction. The company also promotes diversity and inclusivity while connecting skilled professionals with suitable opportunities.
Company Mission:
To exceed expectations by leveraging experience and delivering high-quality, best-in-class solutions that support client success.
Company Vision:
To become a global leader in IT solutions by leveraging expertise and providing continuous learning opportunities that contribute to client success.
Core Values / Principles
Excellence
Quality
Innovation
Client satisfaction
Continuous learning
Diversity and inclusivity
2500 Wilcrest Dr., Suite 300, Houston, TX 77042, United States
💡 Editor's Note / Preparation Tip
Resume Tips:
Highlight full-stack Java development experience prominently.
Showcase Java, Spring Boot, Spring MVC, and REST API projects.
Clearly mention Angular or React frontend experience.
Highlight Apache Kafka and event-driven architecture experience.
Include Microsoft Azure and microservices projects.
Mention SQL, Git, CI/CD, and Agile/Scrum experience.
Clearly indicate experience working in hybrid or onsite environments if applicable.
Interview Preparation:
Revise advanced Java and Spring Boot concepts.
Prepare REST API and Spring MVC architecture questions.
Review microservices design patterns and communication approaches.
Prepare Apache Kafka and event-driven architecture scenarios.
Revise Azure services and cloud deployment concepts.
Review Angular or React fundamentals depending on your experience.
Practice SQL queries and relational database concepts.
Prepare CI/CD, Git, and Agile/Scrum questions.
Be ready to explain troubleshooting and debugging scenarios from previous projects.
Professional Tips:
Tailor your resume specifically for Java Full Stack roles.
Put Java, Spring Boot, Kafka, Azure, and frontend technology experience near the top.
Clearly mention experience with microservices and cloud-native applications.
Highlight projects where you handled both backend and frontend responsibilities.
Mention your ability to work onsite three days per week in Chicago if applicable.
Clearly indicate C2C availability if relevant to your employment situation.
📝 Job Description
Position Details:
Qualis1 Inc. is seeking an experienced Java Full Stack Developer for a 12-month contract position in Chicago, Illinois. The role follows a hybrid work model requiring three days onsite per week.
The developer will be responsible for full-stack application development, combining strong backend expertise in Java, Spring Boot, Spring MVC, and REST APIs with frontend development using Angular or React.
The position requires hands-on experience with Apache Kafka and event-driven architecture, Microsoft Azure cloud services, and microservices architecture. The candidate should also have strong knowledge of SQL and relational databases and experience working with Git, CI/CD, and Agile/Scrum methodologies.
Strong troubleshooting, debugging, and communication skills are important for successfully collaborating with technical and business teams.
Benefits / Compensation
12-month contract.
Hybrid work arrangement.
Three days onsite per week in Chicago, IL.
C2C engagement specified in the supplied job post.
Salary/rate and additional benefits were not provided.
Candidate Requirements:
Strong experience with Java.
Strong experience with Spring Boot and Spring MVC.
Experience developing REST APIs.
Hands-on full-stack development experience.
Frontend experience with Angular or React.
Strong experience with Apache Kafka.
Knowledge of event-driven architecture.
Hands-on experience with Microsoft Azure cloud services.
Experience with microservices architecture.
Strong SQL and relational database knowledge.
Experience with Git and CI/CD.
Experience working in Agile/Scrum environments.
Strong troubleshooting and debugging skills.
Good communication skills.
Preferred Skills:
Java
Spring Boot
Spring MVC
REST APIs
Angular / React
Apache Kafka
Event-Driven Architecture
Microsoft Azure
Microservices
SQL
Git
CI/CD
Agile/Scrum
Working Days & Hours:
Not Provided
How to Apply:
Interested candidates should send their resume to clara.s@qualis1inc.com.
🎯 Key Responsibilities
- ✓ Design, develop, and maintain full-stack applications using Java-based technologies.
- ✓ Develop backend services using Java, Spring Boot, Spring MVC, and REST APIs.
- ✓ Build and maintain frontend applications using Angular or React.
- ✓ Implement and work with Apache Kafka and event-driven architectures.
- ✓ Develop and support microservices-based solutions.
- ✓ Work with Microsoft Azure cloud services.
- ✓ Develop and maintain solutions using SQL and relational databases.
- ✓ Troubleshoot and debug application issues.
- ✓ Collaborate with development and project teams using Agile/Scrum practices.
- ✓ Participate in CI/CD and source-control workflows using Git.
💡 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 ₹3,50,000 - ₹6,00,000 per annum (Freshers/Entry 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
What is the job title?
The position is for a Java Full Stack Developer.
Which company is hiring for this position?
Qualis1 Inc. is hiring for the role.
Where is the position located?
The position is based in Chicago, Illinois, United States.
Is this a remote position?
No. The role is hybrid and requires three days onsite per week.
What is the contract duration?
The specified duration is 12 months.
What backend technologies are required?
The role requires Java, Spring Boot, Spring MVC, and REST API experience.
Which frontend technologies are mentioned?
Candidates should have experience with Angular or React.
Is Apache Kafka experience required?
Yes. Strong experience with Apache Kafka and event-driven architecture is required.
What cloud platform is required?
Hands-on experience with Microsoft Azure cloud services is required.
How can candidates apply?
Candidates can send their resume to clara.s@qualis1inc.com.
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