Java API Developer

Strong Senior Backend Engineer profiles

Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems

Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).

Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework

Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Mandatory (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS, are highly preferred)

Job Summary:

We are seeking a dynamic and highly skilled Full Stack Developer with 3-5 years of experience to join our client's team. The ideal candidate will be working with a leading MNC client in the health insurance domain. This role is based in Gurugram and requires candidates to work from the office, Monday to Friday. You will play an integral role in developing and enhancing applications using Node.js, TypeScript, PostgreSQL, and MongoDB.

Responsibilities:

• Design, develop, and maintain scalable applications using Node.js and TypeScript.
• Build and optimize RESTful APIs and backend services.
• Collaborate with cross-functional teams to deliver high-quality products and services.
• Work with PostgreSQL and MongoDB databases for efficient data management and retrieval.
• Ensure the performance, quality, and responsiveness of applications.
• Troubleshoot, debug, and upgrade existing systems and platforms.
• Implement best practices for security, code quality, and performance optimization.
• Participate in code reviews and provide mentorship to junior developers.

Requirements:

• Experience: 3-5 years of hands-on development experience with Node.js, TypeScript, PostgreSQL, and MongoDB.
• Technical Skills:
• Proficiency in Node.js and TypeScript for building scalable web applications.
• Strong experience working with PostgreSQL and MongoDB databases.
• Hands-on experience in building RESTful APIs and microservices architecture.
• Knowledge of best practices in application development, security, and performance tuning.
• Familiarity with version control tools like Git.
• Preferred:
• Experience in the health insurance or fintech domain.
• Ability to work in an agile environment with fast-paced deliverables.
• Excellent communication and collaboration skills.

Soft Skills:

• Strong problem-solving skills and ability to troubleshoot complex issues.
• Ability to work in a team and independently when required.
• Adaptability and willingness to learn new technologies.

About Klevu:

Klevu is a discovery experience suite that revolutionises online shopping. It provides a range of SaaS based solutions, that are deep rooted in AI-ML technology and delivered via cloud for online retailers. Klevu is a global Finnish company that prides in diversity, great team, excellent partner network and global customer footprint. Learn more from www.klevu.com

Experience: 5+ years

Location: Ahmedabad, Gujarat

Responsibilities:

• Build, scale and maintain various services on the Klevu platform
• Design and develop solutions for business needs on the Klevu platform

Must have skills:

• 4+ years on experience with Java
• Experience in Web application development on Spring framework
• Experience working with database technologies – RDBMS or NoSQL
• Ability to communicate effectively within and outside the engineering team
• Familiar with agile software development process

Nice to haves:

• Experience in Hibernate, MySql, Redis, ActiveMQ or Kafka
• Experience in UI Frameworks like Jquery, React, Angular or equivalent
• Experience in REST API development
• Experience in debugging issues and checking production logs
• Experience working in eCommerce and/or SAAS startups
• Experience working with microservices architecture

What we offer:

• Being part of one of the most exciting search technology company from Nordics with global footprints
• Work with a team in 3 continents (North America, Europe, Asia)
• Excellent work culture, hands-on, result oriented
• Good salary and flexible hours

We are seeking an experienced Senior Java Developer specializing in Spring Boot and Apache Camel to join our team. This individual will be responsible for designing, developing, and implementing robust, scalable, and high-performance applications. You will work on complex projects and integrations, leveraging Spring Boot and Apache Camel to streamline business processes and message routing.

Key Requirements:

• 5+ years of experience in Java Development, specifically with Spring Boot.
• Proven experience in using Apache Camel for integrating distributed systems.
• Solid understanding of microservices architecture and RESTful API development.
• Proficiency in Java-based middleware technologies.
• Strong knowledge of message queues (e.g., RabbitMQ, ActiveMQ, Kafka) and their integration with Apache Camel.
• Experience with cloud services such as AWS, Azure, or GCP is a plus.
• Familiarity with CI/CD pipelines and automated deployment processes.
• Experience with Agile development methodologies.
• Strong problem-solving skills and attention to detail.
• Excellent communication skills, both written and verbal.

Bonus Skills:

• Experience with Docker and Kubernetes for containerization and orchestration.
• Knowledge of Apache Kafka for event streaming.
• Experience with modern development tools like Git, Jenkins, and JIRA.

What We Offer:

• A dynamic and collaborative work environment.
• Opportunities for career advancement and skill development.
• Flexible working hours and the ability to work remotely.
• Competitive salary and benefits.

Role

We are looking for an Associate Software Engineer - Java with experience in building high-performing, scalable, enterprise-grade applications.

Responsibilities

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure development is in compliance with specifications
• Prepare and produce releases of software components

Qualifications

• BSc/BE/BTech in Computer Science, Engineering, or a related field
• 2+ years Experience with Java
• Experience in Spring boot Framework
• Experience with REST- JSON, SOAP/XML is mandatory
• Proven working experience in Java development
• Experienced in Server Side Java, J2EE, Servlets, Spring/Spring boot, JAXB, JAX-WS, MySQL/PostgreSQL, Junit
• Knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate).
• Hands-on experience in designing and developing applications using Java EE
• Platforms with Open Source Frameworks - Spring/Spring boot, XML, Integration with SOAP and RESTful Web Services, WS security.

• Design, build and maintain efficient, reusable, and reliable Java code. 
• Providing technical oversight to the team, involved in design and code review.
• You would also be spending most of the time in development activities in varied technologies and should have a passion to write code.
• Should be able to create good technical documents.
• Translate application storyboards and use cases into functional applications.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Identify bottlenecks and bugs, and devise solutions to these problems - Help maintain code quality, organization, and automatization. 
• Prepare the technical design of complex technology components as well as suggest the pros and cons of using a certain technology stack or component or design pattern versus another, to the clients.
• Team Management.

• Qualifications: BTECH/MTECH/MCA/MSc.
• Proficient in Java, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of multithreading, concurrency patterns, and collections in Java. 
• Solid understanding of object-oriented programming along with various design and architectural patterns.
• Hands on experience with JMS, JPA, Spring (MVC, Boot & Cloud preferred) & Hibernate.
• Familiarity with concepts of MVC, JDBC, and RESTful.  Experience with Presentation Layer (JSP/Servlets), JS Frameworks (Angular, jQuery, react, etc.).
• Creating database schemas that represent and support business processes and experience with both external and embedded databases. Implementing automated testing platforms and unit tests.
• Proficient understanding of code versioning tools, such as Git, Ant, Maven, and Gradle; continuous integration.
• Knowledge in xml based mappings, SAML, rest clients, CAS authentication and Jetty.
• Knowledge of Apache Camel and Kafka and Drools Rule Engine is preferred.

About the Role

The Engineering team in Bangalore, India is building products for the Martial Arts

fans across the world. As part of the engineering team, you would be expected to have

deep technology expertise with a passion for building highly scalable products.

This is a unique opportunity where you can impact the lives of people across 150+

countries!

Responsibilities

Own architecture, design, development, and implementation of different

modules/features of the services

Design, develop, deploy and support web applications.

Discover opportunities for performance improvements

Recommend ways to improve reliability, efficiency and code quality

Focus on continuous delivery and reducing complexity

Carry out code reviews and manage pull requests

Build applications based on micro-services architecture.

Requirements

Overall 1~3 years of experience in Backend development.

B. E/B. Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,

IIITs or equivalent)

Strong object oriented design skills & knowledge of design patterns

Experience designing & developing distributed systems involving multiple web

services, databases (both SQL and NoSQL), caches, queues, etc. taking into

consideration scalability, availability, fault tolerance, consistency, etc. of the

overall system

Well-aware of and enforces development best practices: Unit Tests, Code Reviews,

Integration Tests, CI/CD, Monitoring, Alerting, etc.

Job Summary

Require a java developer having 2+ years of experience especially in Spring and Hibernate

Job Type: Full-time
Responsibilities and Duties
Java developer responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Key Skills
JEE, JPA2 , Hibernate
Required Experience and Qualifications
Proven hands-on Software Development experience
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience with test-driven development
Job Type: Full-time