Java Full Stack Lead

Job Description: Java Developer

Position: Java Developer

Experience: 5 to 7 Years

Notice Period: Immediate Joiner

Key Responsibilities

• Design, develop, and maintain scalable, high-performance Java applications.
• Work with Core Java and Advanced Java concepts to build reliable backend solutions.
• Develop and deploy applications using Spring Boot framework.
• Design and implement RESTful Microservices with best practices in scalability and performance.
• Collaborate with cross-functional teams in an Agile/Scrum environment.
• Manage code versions effectively using Git/GitHub.
• Ensure code quality by integrating and analyzing with SonarQube.
• Participate in code reviews, sprint planning, and daily stand-ups.
• Troubleshoot production issues and optimize system performance.

Required Skills

• Strong proficiency in Core Java (OOPs, Collections, Multithreading, Exception Handling).
• Hands-on experience in Advanced Java (JDBC, Servlets, JSP, JPA/Hibernate).
• Proven experience with Spring Boot for application development.
• Knowledge and experience in Microservices Architecture.
• Familiarity with REST APIs, JSON, and Web Services.
• Proficient in Git/GitHub for version control and collaboration.
• Experience with Sonar Qube for code quality and security checks.
• Good understanding of Agile/Scrum methodologies.
• Strong problem-solving and debugging skills.

Nice-to-Have

• Experience with CI/CD pipelines (Jenkins, GitHub Actions, or similar).
• Familiarity with Docker/Kubernetes for containerized deployments.
• Basic knowledge of cloud platforms (AWS, Azure, GCP).

Responsibilities:

Design, develop, and maintain high-quality software solutions using programming languages such as Java.

Implement backend services using frameworks like Spring Boot and frontend interfaces using frameworks like React.

 Apply deep knowledge of algorithms and data structures to solve complex problems efficiently.

 Optimize code for performance, scalability, and reliability.

 Work with SQL and NoSQL databases to design, implement, and manage data storage solutions.

 Ensure data integrity and optimize database queries.  Leverage open-source tools and frameworks to develop scalable and maintainable solutions.

 Stay updated on the latest trends in open-source technologies.

 Utilize Linux systems for development and deployment.

 Automate and streamline processes using Linux tools and scripts.

 Develop and maintain mobile applications that align with user requirements and business goals.

 Collaborate with cross-functional teams to ensure seamless integration with backend systems.

 Work closely with product managers, designers, and other engineers to bring ideas to life.

 Participate in code reviews, testing, and debugging to ensure high-quality deliverables.

Qualifications and Skills:

 Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Mathematics, Physics, or a related discipline.

 Strong knowledge of algorithms and data structures.

 Proficiency in at least one programming language, preferably Java.

 Hands-on experience with backend frameworks like Spring Boot and frontend frameworks like React.

 Familiarity with SQL and NoSQL databases.

 Solid understanding of Linux systems and tools.

 Experience developing mobile applications is highly desirable.

 Strong problem-solving skills and ability to work in a fast-paced environment.

About the company:

Gemba Concepts Pvt. Ltd. is seeking an experienced React Native Full-Stack Developer to join our growing engineering team in Bengaluru. This full-time position requires 3+ years of professional experience building enterprise-grade mobile applications and backend services. As a key member of our technology team, you'll work on cutting-edge digital transformation solutions that power operations across manufacturing, logistics, supply chain, and industrial automation sectors.

Gemba Concepts stands at the forefront of operational excellence and technology innovation, delivering scalable enterprise platforms to customers throughout India, the Middle East, and Africa. Our engineering culture emphasizes ownership, collaboration, and continuous learning.

About the role:

We're building the next generation of industrial digital solutions, and we need talented developers who are passionate about creating high-performance mobile experiences backed by robust, scalable microservices architecture. This role offers the perfect blend of mobile and backend development, allowing you to work across the full technology stack while making meaningful contributions to products that transform how industries operate.

Key Responsibilities:

1. Mobile Development

• You'll architect and develop sophisticated React Native mobile applications for both Android and iOS platforms, ensuring smooth performance, efficient UI rendering, and exceptional user experiences. Your work will directly impact how enterprise users interact with our platform on a daily basis.
• Build feature-rich mobile applications with React Native
• Implement state management and navigation flows
• Integrate push notifications and deep linking Optimize app performance and bundle sizes

2. Backend Services

• Design and implement scalable backend microservices using Spring Boot that power our mobile applications.
• You'll work with REST APIs, relational databases, and modern cloud infrastructure to build enterprise-grade systems that handle real-world production loads.
• Develop RESTful APIs with Spring Boot Design database schemas and optimize queries
• Implement authentication and authorization Manage containerization with Docker

3.Optimization

• Enhance system reliability, optimize performance  bottlenecks, and maintain clean, scalable code

4.API Integration

• Connect mobile clients with backend services through WebSockets, real-time updates, and push notification systems

5.Architecture Design

• Contribute to architectural decisions, requirement analysis, and sprint planning with cross-functional teams 

Technical Skills Required:

We're looking for developers with deep expertise in both mobile and backend technologies. Your technical foundation should span the entire stack, from React Native mobile development to Spring Boot microservices, containerization, and cloud infrastructure. The ideal candidate brings hands-on production experience with enterprise-scale applications and demonstrates strong architectural thinking. 

1.React Native Expertise

• Master-level proficiency in React Native with deep understanding of Hooks, state 
• management patterns (Redux, Zustand, or Recoil), navigation libraries, and native 
• module integration. Experience with push notifications, deep linking, and performance optimization is essential.

2.Database Management

• Solid experience with relational databases including MySQL, PostgreSQL, or Microsoft SQL Server. Ability to design efficient 
• schemas, write optimized queries, and understand indexing strategies for performance.

Secondary Technical Skills

1. Docker Containerization

• Hands-on experience creating Docker images, configuring containers, and managing multi environment setups for development, staging, and production deployments.

2.Spring Boot Mastery

• Strong backend development skills including RESTful API design, JPA/Hibernate ORM, microservices architecture, comprehensive exception handling, and security implementation with OAuth2/JWT. 

3.Proficiency with Maven or Gradle build tools.

Version Control

• Professional experience with Git workflows, branching strategies, and collaboration through GitLab or Bitbucket.
• Understanding of code review processes and merge request best practices.

Kubernetes Orchestration

• Working knowledge of Kubernetes deployment management, with familiarity in Helm charts and Ingress configurations for container orchestration.

Soft Skills & Attributes

Technical excellence is only part of what makes a great developer. At Gemba Concepts, we value team members who bring strong soft skills, exceptional communication abilities, and a proactive mindset to their work. You'll be collaborating with UI/UX designers, quality assurance engineers, product managers, and fellow developers across multiple projects and initiatives.

Success in this role requires the ability to articulate technical concepts clearly, take ownership of your work from conception to deployment, and thrive in a dynamic, fast-paced environment where priorities can shift based on business needs. 

1.Analytical Thinking

• Strong analytical and problem-solving mindset with ability to break down complex technical challenges into manageable solutions.
• You should demonstrate systematic debugging approaches and root cause analysis skills.

2.Ownership Culture

• Proactive, ownership-driven attitude where you take responsibility for your code from development through production.
• You anticipate issues, propose solutions, and drive projects forward independently.

3.Communication Excellence

• Excellent verbal and written communication abilities, including technical documentation, code comments, and the capacity to explain architectural decisions to both technical and non-technical stakeholders.

4.Adaptability

• Ability to work effectively in fast-paced, cross functional environments with changing requirements.
• Comfortable context-switching between mobile and backend work, and collaborating across teams.

What We Offer

Joining Gemba Concepts means becoming part of a mission-driven organization that's transforming how industries operate through technology. We offer more than just a job4we provide a platform for professional growth, technical mastery, and meaningful impact. Our engineering culture emphasizes ownership, continuous learning, and direct contribution to products that serve customers across multiple countries and industries. You'll work on large-scale enterprise systems that handle real-world complexity, giving you exposure to challenging technical problems and modern cloud-native architectures. 

Roles and Responsibilities:

• Developing new user-facing features using React.js
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Experience with RESTful APIs
• Troubleshooting interface software and debugging application codes.
• Create database schemas that represent and support business processes.
• Implement automated testing platforms and unit tests.
• Optimize application for performance and speed.
• Implementation of security and data protection.
• Provide technical support to users.

Skills:

• At least 5 years of experience as a Java Developer or similar role
• Strong expertise in Java programming language and working Knowledge on Back-end technologies such as Spring/Spring Boot.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Familiarity with database technology such as MySQL, MongoDB.
• Good knowledge of Unit Testing.
• Experience with at least one of the Cloud Services such as AWS, GCP, Azure are plus.
• Familiarity with SCRUM methodologies
• Strong organizational and project management skills.
• Excellent verbal communication skills.
• Analytical and logical skills
• Good problem-solving skills.

Qualification:

• 3-4 years of experience working as a ReactJS Developer or in a similar role.

What we offer:

• Flexible working hours
• Up to 12 Lakh insurance
• Work life balance

About us: 

Zemoso Technologies is a Software Product Market Fit Studio that brings silicon valley style rapid prototyping and rapid application builds to Entrepreneurs and Corporate innovation. We offer Innovation as a service and work on ideas from scratch and take it to the Product Market Fit stage using Design Thinking->Lean Execution->Agile Methodology. 

We were featured as one of Deloitte Fastest 50 growing tech companies from India thrice (2016, 2018 and 2019). We were also featured in Deloitte Technology Fast 500 Asia Pacific both in 2016 and 2018. 

We are located in Hyderabad, India, and Dallas, US. We have recently incorporated another office in Waterloo, Canada. 

Our founders have had past successes - founded a decision management company acquired by SAP AG (now part of Hana Big data stack & NetWeaver BPM), early engineering team of Zoho (leading billion $ SaaS player) & some Private Equity experience. Marquee customers along with some exciting start-ups are part of our clientele. 

What You will do: 

● Create beautiful software experiences for our clients using design thinking, lean and agile methodology. 

● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala. 

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.
● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients. 

● Help to grow the next generation of developers and have a positive impact on the industry. 

Basic Qualifications: 

● Experience: 4+ years. 

● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc. 

● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable) 

● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have. 

● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.

Nice to have Qualifications:

● Product and customer-centric mindset. 

● Great OO skills, including design patterns. 

● Experience with devops, continuous integration & deployment. ● Exposure to big data technologies, Machine Learning and NLP will be a plus.

Benefits:
 

● Competitive salary. 

● Work from anywhere. 

● Learning and gaining experience rapidly. 

● Reimbursement for basic working set up at home. 

● Insurance (including a top up insurance for COVID). 

Location:

Remote - work from anywhere.

We are looking for Full Stack Developers. Candidate should be hands on with front end and backend Java technologies.( 2-10 years of exp).Designation will be Java Developer, Sr.Java Developer and Java Lead basis the years of experience.

We are Looking for below skills,

Must Have’s

1. JSP, JS, Servlets, CSS, HTML, JQUERY
2. MVC, Struts, Application Servers ( JBOSS/WebSphere), REST Services
3. OOPS Concepts & Core JAVA
4. Basic SQL
5. Good Analytical Skills

Good to Have

1. REACT, ANGULAR
2. Explain Plan/ Query Tuning
3. Jenkins, Maven