
Key Responsibilities:
- Design, develop, and maintain robust backend services using Core Java and Spring Boot
- Develop and optimize queries in MongoDB, including aggregation and indexing
- Build RESTful APIs and integrate third-party services
- Write clean, maintainable, and scalable code following best practices
- Collaborate with cross-functional teams to gather and implement requirements
Required Skills:
- 5+ years of experience in Core Java
- Strong expertise in Spring Boot (REST APIs, Security, Data)
- Hands-on experience with MongoDB (CRUD operations, schema design)
- Experience with Microservices architecture

About HighQ-labs
About
Company social profiles
Similar jobs
We’re Hiring Backend Developers | Java / Go / Python | 3–5 Years | Bangalore
We are expanding our engineering team and looking for talented Backend Developers with 3–5 years of experience to join us in Bangalore.
If you enjoy building scalable systems, working with modern cloud technologies, and solving complex problems, this opportunity is for you!
💼 Position
Backend Developer (Java / Go / Python)
📍 Location: Bangalore
👨💻 Experience: 3–5 Years
🔎 What You Bring
✔ Strong proficiency in Go or similar backend languages like Python with Fast API or JAVA with Springboot .
✔ Experience designing RESTful APIs
✔ Hands-on experience with AWS / GCP
✔ Experience working with PostgreSQL, Redis, Kafka, or SQS
✔ Strong experience with Microservices architecture
✔ Hands-on experience with CI/CD pipelines
✔ Experience with containerized environments (Docker / Kubernetes)
✔ Familiarity with monitoring tools like Prometheus, Grafana, and Spring Actuator
✔ Strong understanding of data structures, algorithms, and system design fundamentals
✔ Ability to own features end-to-end and solve complex engineering problems
✔ Strong focus on code quality, observability, and operational ownership
✔ Comfortable working in fast-paced, high-growth environments
Job Summary:
We are seeking a skilled and experienced Java Developer with hands-on expertise in AWS, Spring Boot, and Microservices architecture. As a core member of our backend development team, you will design and build scalable cloud-native applications that support high-performance systems and business logic.
Key Responsibilities:
- Design, develop, and maintain backend services using Java (Spring Boot).
- Build and deploy microservices-based architectures hosted on AWS.
- Collaborate with DevOps and architecture teams to ensure scalable and secure cloud solutions.
- Write clean, efficient, and well-documented code.
- Optimize application performance and troubleshoot production issues.
- Participate in code reviews, technical discussions, and architecture planning.
Must-Have Skills:
- 4.5+ years of experience in Java development.
- Strong proficiency in Spring Boot and RESTful APIs.
- Proven hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.).
- Solid understanding of microservices architecture, CI/CD, and containerization tools.
- Experience with version control (Git), and deployment tools.
Hi,
Greetings from Kairos Technologies (http://www.kairostech.com">www.kairostech.com)
About Kairos:
Kairos Technologies is a customer-first technology services company focused on Digital Transformation and Testing/QA. We are founded to help you build world-class solutions and digital ecosystems. From our inception in 2003, we have provided managed services in embracing the digital transformation for various companies operating in different verticals. We strive to provide the technology services that make your business goals an economic reality.
As discussed please find the below Job description
We are looking for highly skilled programmers with experience building web applications in Java. Java Developers are responsible for analyzing user requirements and business objectives, determining application features and functionality, and recommending changes to existing Java-based applications, among other duties.
Java Developers need to compile detailed technical documentation and user assistance material, requiring excellent written communication.
Java Developer Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
- Skills Required: JAVA/J2EE technologies like Struts, Spring Boot, HTMLCSS, JSP, JDBC, Servlets, JSON, Eclipse, Apache Tomcat, Subversion, Springboot framework to build RESTful Web Services and Micro Services based Spring Cloud.
- Exp – 5+ years
- Location- Pan India
The product business has witnessed tremendous growth in last few years with a client base in almost all industries and a footprint across continents. A large credit for the same goes to our young, agile and highly talented engineering team which is continuously adding new features and driving innovations in terms of adopting latest technology best practices and making the product more scalable and stable.
In order to meet the expectations of our rapidly growing client base, we are looking for experienced geeks who will be part of the current product engineering team and help in making the products more scalable by implementing most advanced technologies. We are looking for people with keen interest and demonstrated expertise in Java development, clear focus on working in a product setup, and willingness to work in a start-up environment. With strong entrepreneurial culture at Channelplay and focus on performance-based growth, in terms of financials and career, it's a great opportunity for high performers.
For more details, you can also visit our website on: http://www.channelplay.in/
What's there for you :
- Competitive remuneration
- Quarterly incentive
- Great culture with friendly work environment
- Opportunity to work in AWS Technologies
- Opportunity to get AWS Certified.
Required Skills :
- Core Java (Mandatory)
- Spring boot (Mandatory)
- My SQL (Mandatory)
- Angular (Preferred)
- AWS Technology (Preferred)
- NoSQL - MongoDB (Preferred)
- Open sources - Redis/ Memcached/ RabbitMQ/ Kafka/ ELK (Preferred)
- Git (Preferred).
Roles & Responsibilities :
- Developing software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.
- Determining operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
- Improving effectiveness and efficiency of the existing solutions by conducting systems analysis and recommending changes.
- Learning new and advanced technologies proactively and leading initiatives to implement those technologies in a collaborative manner.
- Acquiring new skills by studying state-of-the-art development tools and programming techniques, and sharing the knowledge with the team.
Key Skills
- In depth knowledge of Node.js
- Knowledge of integration with front-end JavaScript libraries and frameworks like react js
- Should be experienced with Micro-services.
- Knowledge of both SQL and NoSQL databases such as MySQL, Oracle, MongoDB
- Working experience of Git preferably bitbucket.
- Good knowledge of CI/CD preferably using bitbucket pipelines and Jenkins.
- Working knowledge of agile methodologies and techniques
What essential skills you need
▪ 8-11 years’ experience in back end Java/J2EE application development.
▪ Expertise in developing internet web applications using Java/J2EE technologies.
▪ Experience of working in a service-oriented architecture and web-based development.
▪ Experience in writing XSD, Wiz-dull including parsers like SAX, DOM.
▪ Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA.
▪ Experience in Java Version 7.0+. Good experience with JMS, Spring & Hibernate.
▪ Experience in identifying database solutions for a given problem, preferably MySQL.
▪ Demonstrated ability to analyze business/functional requirements, develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team.
▪ Hands on experience on tools like Log4j, JUnit, Mockito, SVN, Maven, Covertura.
▪ Knowledge in Java queuing system.
▪ Extensive Experience in using MVC (Model View Controller) architecture for developing applications using JSP, JSTL, Java Beans and Servlets.
▪ Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle/MYSQL/NoSQL/HQL.
▪ Experience with e-commerce, retail, analytics, advertising, or media would be an advantage
Required Skill Set: Microservices, Spring boot framework, Core, Lambdas, and Advanced Java.
Job Description:
1) 3-8 years of Java development experience.
2) 4+ years of microservice development experience with Spring boot framework.
3) Core & Advanced Java (Threading, Design Patterns, Data Structures) J2EE, REST web services.
4) Excellent knowledge of Enterprise Design Patterns.
5) Full stack development with Angular 8 experience will be a plus.
6) Experience with test-driven software development.
7) Exposure to the telecom domain.
8) ETOM/ SID which makes the TM Forum framework.
9) Decent communication skills.
Location: Panchkula, Mohali, Gurugram, Bangalore, Chennai, Pune, Dehradun.
• Design, build and maintain efficient, reusable, and reliable code in Ruby on Rails
• Contribute in all phases of the development life-cycle
• Design, build and own key technology decisions and implementations
• Be an evangelist for Rails and software engineering best practices
• Continually look for opportunities to improve our platform, process, and business
• Continuously discover, evaluate, and implement new technologies
• Work in an agile environment with quick iterations
What we are looking for?
• 2+ years of overall web development experience
• 2+ years experience in developing scalable and robust web applications using Ruby on Rails
• Experience with collaborative code development in small agile teams and managing releases (Git, Continuous Integration, Capistrano)
• Highly proficient in the data structure, algorithms, design patterns, and databases
• Ability to collaborate with other developers and handle the entire software development cycle
• Passion to write beautiful and scalable code
• A disciplined approach to development, documentation, and code structure
• Experience building internal and external APIs and RESTful web services
• Experience in delivering products and services in a high growth, startup environment








