
Primary responsibilities:
- Architect, Design and Build high performance Search systems for personalization, optimization, and targeting
- Designing systems with Solr, Akka, Cassandra, Kafka
- Algorithmic development with primary focus Machine Learning
- Working with rapid and innovative development methodologies like: Kanban, Continuous Integration and Daily deployments
- Participation in design and code reviews and recommend improvements
- Unit testing with JUnit, Performance testing and tuning
- Coordination with internal and external teams
- Mentoring junior engineers
- Participate in Product roadmap and Prioritization discussions and decisions
- Evangelize the solution with Professional services and Customer Success teams
Minimum requirements:
- Tech/M.Tech in computer Engineering or related fields or MCA
- At least 10-14 years of software development experience
- Expert in Java, Scala or any other object oriented language
- Proficient in SQL concepts (HiveQL or Postgres a plus)
- Additional language skills for scripting and rapid application development
Desired skills and experience:
- Working with large data sets in the PBs
- Familiarity with UNIX (systems skills a plus)
- Working experience in Solr, Cassandra, and Kafka
- Working in a distributed environment and has dealt with challenges around scaling and performance
- Working with distributed teams across multiple locations

Similar jobs
Role: Java Developer
Location: Bengaluru - Hybrid
Mode: Full Time
Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.
Responsibilities:
● Design, develop, test, and maintain software applications using Java technologies.
● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.
● Develop and optimize database operations with MySQL.
● Analyze and solve complex problems by applying knowledge of data structures and algorithms.
● Work with both Windows and Linux environments to develop and deploy solutions.
● Collaborate with cross-functional teams to deliver high-quality products on time.
● Ensure application security, performance, and scalability.
● Maintain thorough documentation of technical solutions and processes.
● Debug, troubleshoot, and upgrade legacy systems when required.
Requirements:
● Operating Systems: Expertise in Windows and Linux environments.
● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).
● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.
● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.
● Version Control Systems: Experience with tools like Git.
● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)
We are seeking a skilled Java Developer with 5+ years of experience in Java, Camunda, Apache Camel, Kafka, and Apache Karaf. The ideal candidate should have expertise in workflow automation, message-driven architectures, and enterprise integration patterns. Strong problem-solving skills and hands-on experience in microservices and event-driven systems are required.

At Primathon, we strive to deliver world-class software for our clients and empower our engineers to become full-stack in technology and provide them 360° experience. We are looking for champions in backend development with experience in NodeJs/Python. You would be working on NodeJs, Python, PostgreSQL, MongoDB, Redis Elastic search, RabbitMq, SQS, Docker, AWS.
Responsibilities and Duties
● Participate in agile software development, prototyping and code reviews
● As a backend engineer, you will work on backend services in Node JS, MongoDB, PostgreSQL, Redis.
● Design, implement and/or use RESTful web services
● Designing database schema
● Writing automation test cases
● Write testable, well-thought-out code within the ecosystem, embracing additional languages and frameworks when appropriate
Required Experience, Skills and Qualifications
● 1+ years of experience as a Backend developer.
● Experience designing, implementing and using RESTful Web Services with Service-Oriented Architecture.
● Knowledge & basic understanding of JavaScript frameworks like React, D3, etc and strong experience working with MVC.
● Solid understanding of version control principles, preferably using Git
● Experience using mocking frameworks, testing frameworks, dependency injection, NoSQL and/or relational databases
● Strong knowledge on how to navigate the vast and quickly evolving collection of open source projects and select the right tool for the job
● Attention to detail and the ability to build reliable, scalable, and flexible software.
Work Experience ** Minimum 2+Years
𝗔𝗯𝗼𝘂𝘁 𝗖𝗲𝗿𝗰𝗹𝗲 𝗫
Cerclex is the one of leadinghttps://cerclex.com/"> waste management company in india which works as a digital technology platform for the waste management and recycling Industry with an extended outlook of circularity through its various ventures into the field of sustainability.
We have received FICCI Impactful Cleantech Startup Award, MeitY Emerging Startup Award, TVS Capital Budding Nxt Gen Entrepreneur Award, and many more for our digital solutions enabling transactions between waste generators, and aggregators, processors, and bringing in complete transparency, traceability to the waste ecosystem.
CercleX helps brands to accomplish their sustainability targets withhttps://cerclex.com/extended-producer-responsibility/"> Extended Producer responsibility and researchhttps://cerclex.com/blog/the-effects-of-solid-waste-on-environment/"> solid waste managemet on the environment to ensure the environment is eco free.
Job Description
We are looking for an analytical, results-driven back-end developer who will work with team members to troubleshoot and improve current back-end applications and processes. The Back-end Developer will use his or her understanding of java language and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems, and create a more seamless experience for users. You should have excellent communication, computer, and project management skills.
To succeed as a backend developer, you should be focused on building a better, more efficient program and creating a better end-user experience. You should be knowledgeable, collaborative, and motivated.
Back-end Developer Responsibilities:
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Developing ideas for new programs, products, or features by monitoring industry developments and trends.
- Recording data and reporting it to proper parties, such as clients or leadership.
Participating in continuing education and training to remain current on best - practices, learn new programming languages, and better assist other team members.
- Taking lead on projects, as needed.
- Develop web applications and web services using Java Spring Boot, Spring Cloud Frameworks, AWS
Back-end Developer Requirements: - Bachelor’s degree in computer programming, computer science, or a related field.
- Fluency or understanding of specific languages, such as Java, Nodejs,React,JSON,PHP, or Python, and operating systems may be required.
- Strong understanding of the web development cycle and programming techniques and tools.
- Focus on efficiency, user experience, and process improvement.
Job Title: Java Developer
Experience: 1year to 5 years
Location: Chennai
Job Description :
- Design & development of Java applications using Java EE, Spring Boot, Database
- Experience in designing, analyzing, coding and troubleshooting large-scale distributed systems
- Ensuring continuous professional self-development
- Strong core Java skills - Multithreading, Collections, Concurrent programming
- Should have knowledge of OOPS, Design Patterns and data structure
- Should have strong understanding of databases and its core concept including stored procedure
- Ability to work in team and handle production environment, application maintenance.

● You’ve been building scalable backend solutions for web applications.
● You have experience with any of these backend programming languages -- Python,
NodeJS or Java.
● You write an understandable, very high quality, testable code with an eye towards
maintainability.
● You are a strong communicator. Explaining complex technical concepts to designers,
support, and other engineers is no problem for you.
● You possess strong computer science fundamentals: data structures, algorithms,
programming languages, distributed systems, and information retrieval.
● You have completed a bachelor's degree in Computer Science, Engineering or related
field, or equivalent training, fellowship, or work experience.
Work as a member of a team responsible for developing a HIPAA compliant secure care coordination platform in accordance with established processes. You will apply your knowledge of building scalable, distributed applications and have the opportunity to work with new technologies & frameworks such as Spring Cloud Netflix, AWS, Azure, NoSQL DB.
Essential Functions include but are not limited to the following.
You will be expected to:
- Contribute to all phases in the software lifecycle – requirements analysis, solution design, development, and deployment
- Maintain high quality standards for the work undertaken and be responsible for the quality of deliverables
- Ensure assigned projects are developed in accordance with established engineering processes, adhering to scope, schedule constraints and agile project plans
- Guide/mentor the less experienced team members
- Participate in code reviews
- Work effectively as part of a distributed team
- Document the features worked by him/her
Key technical expertise areas expected for this role:
Strong programming skills in Java 8(+) with clear understanding of Object-Oriented and Functional programming.
- Experience on REST API Programming based on a Microservices Architecture
- Good Understanding of Databases (MySQL & Mongo) and proficiency in database schema designing & writing efficient SQL Queries
- Strong troubleshooting skills
- Demonstrable ability to learn new programming languages and frameworks quickly
- Experience with distributed systems with specific focus on security and scalability
- Experience with modern cloud technologies such as AWS or Azure
Additional areas that would add value:
- Spring Cloud
- Experience working with AES 256 based encryption algorithms
- Strong understanding of Design Patterns & their application in system design
- Using DevOps & Infrastructure tooling such as GoCD/Jenkins, Git
- Experience working on projects, preferably in the healthcare domain
- Experience working with Virtualization and Containerization technologies including Docker, Kubernetes.
- Automated Unit/Integration testing
- Experience working with Linux and Shell scripting
- Frontend web development with JavaScript frameworks like AngularJS
- Test Driven & Behavior Driven Development
- Experience working in Agile Scrum/Kanban methodologies
Education and Experience:
- Bachelors or Master’s in Computer Science or related fields.
- 5+ years of experience
Roles & Responsibilities:
- Design and Build API/Micro services using Spring boot.
- Experience in Spring Reactive programming.
- Exposure to docker and containerization
- Developing enterprise grade highly scalable java-based application
- Writing test cases using Java testing framework like JUnit, Mockito.
- Proficient understanding of code version tools, such as Git, SVN
- Displaying initiative and an ability to lead others, and develop applications team disciplined manner
- Participating in application solutions including assisting with planning and architectural design, development, resolution of technical issues, and application rationalization.
- Utilizing and applying robust analytic thinking with the ability to identify, debug, and resolve technical issues.
- Achieving significant contributions within a small team of developers to lead teams and deliver solutions within an Agile methodology, whilst ensuring quality, timeliness and team-wide adherence to good architectural practice and guidelines.
- Good Experience in Application Software Design and Development, Object Oriented Analysis and Design (OOAD), Software Testing and Debugging.
- Conduct peer code reviews



