
Java Developer – Backend (Spring Boot + WebFlux)
Company Overview
Dive into the galaxy of innovative possibilities and unfold the future with Pattem Digital. We are a leading software product development company specializing in delivering 100+ services across frontend, backend, CMS, and cutting-edge technologies. With a global presence and proven track record, we help businesses scale through agile and efficient software solutions.
Position Overview
We are looking for a skilled Java Backend Developer with strong expertise in Core Java, Spring Boot, and Spring WebFlux. The ideal candidate will be responsible for building scalable backend systems, developing reactive and RESTful APIs, and contributing to high-performance applications.
📍 Location: Whitefield, Bangalore (Onsite – 5 Days/Week)
📅 Experience: 5–6 Years
Key Responsibilities
● Develop and maintain backend services using Java, Spring Boot, and Spring WebFlux
● Design and implement RESTful and reactive APIs for scalable applications
● Work with databases (SQL/NoSQL – MongoDB preferred)
● Implement multithreading, concurrency, and reactive programming for performance optimization
● Collaborate with frontend teams, QA, and product managers
● Debug, troubleshoot, and resolve production issues
● Write clean, maintainable, and efficient code
● Participate in code reviews and maintain coding standards
● Ensure application performance, scalability, and security
Required Qualifications
Technical Skills
● Strong hands-on experience in Core Java (OOPs, Collections, Multithreading)
● Experience with Spring Boot, Spring MVC, and Spring WebFlux
● Good understanding of Microservices architecture
● Experience with MongoDB / SQL databases
● Knowledge of Java Streams, Exception Handling, Concurrency, and Reactive Programming
● Familiarity with Linux environment
● Experience with Git, Maven, CI/CD pipelines
● Understanding of API design, reactive systems, and system architecture
Experience & Education
● 5–6 years of experience in backend development
● Bachelor’s degree in Computer Science or related field
Soft Skills
● Strong problem-solving and analytical skills
● Good communication and teamwork abilities
● Ability to work in a fast-paced environment
● Ownership mindset and attention to detail
Preferred Qualifications
● Experience with Kafka or event-driven architecture
● Exposure to AWS or cloud platforms
● Experience working in Reactive systems / high-throughput applications
● Experience working in Agile environments

About Pattem Digital
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Job Description:
- Location - Bangalore / Mumbai
- Notice period - Immediate to serving up to - oct 1st week
- Exp. - must be 5 -12 yrs
- Experience in Core Java 5.0 and above, CXF, Spring.
- Extensive experience in developing enterprise-scale n-tier applications for financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
- Good Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc
- Good development experience with RDBMS, preferably Sybase database.
- Good knowledge of multi-threading and high-volume server-side development.
- Experience in sales and trading platforms in investment banking/capital markets.
- Basic working knowledge of Unix/Linux.
- Experience into High /Low level designing.
- Excellent problem solving and coding skills in Java.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
•Hands on experience in Object oriented programming
•Hands on experience in Java, SpringBoot (min 2 years) or kafka or Cassandra or MongoDB
•Experience with developing/enhancing applications connecting to different Databases : Oracle/MySQL/Cassandra/MongoDB
•Strong knowledge of common Data structures and algorithms and when to use them.
•Experience in Xpath or XML or REST or JSON or protobuff
• Experience with software version control (such as git)
•Experience in working in an agile environment such as Scrum.
Preferable:
•Experience in public cloud PaaS (AWS, GCP, Azure)
•Real time stream data handling (Kafka, Kinesis
Skills & Abilities:
1. Language: Java, J2EE, springboot, angular, react, node, (CSS: Tailwind CSS + angular Material) etc.
2. OS : Linux, windows
3. Database : Oracle, postgres, PL/SQL
4. Desirable : API integration, CI/CD, automation, working experience in the mobile financial domain
5. Able to mentor and guide juniors
6. Able to resolve customer queries independently
7. Able to write test cases and execute test plans
8. Added advantage (Good to have): application security, RabbitMQ, Apache Kafka, Grafana, Prometheus, MongoDB, shell scripting basics
Job Purpose: At the Mobiquity project engineering team, our core job is to customize, install, configure and support the customer during the entire project lifecycle.
Principal Accountabilities Development
1. Write code in Java and java based technologies as well as web GUI development using latest technologies like, angular, react, conforming to company guidelines against written requirements & high-level design documents, particularly for complex modules that cannot be handled by junior developers. Work in an IDE while developing code ( especially in Java) and use GIT, SVN or any other CM tool being used in the company, for checking in and checking out the code being developed.
2. Submit developed code for review, incorporate required changes and conduct Unit testing, after preparing Unit Test Plans and necessary stubs.
3. Review code offered by others and document response in assigned format.
4. Participate in (a) the integration of the developed code with code developed by other team members (this could happen on customer premises if appropriate environment is not available in-house) (b) preparation of the environment for integration testing (c) execution of integration testing (d) fixing the problems relating to the offered code as discovered in the integration testing.
5. Participate in load testing conducted on the final product and fix problems encountered.
6. Assist Product Validation Group in setting up the test environment, writing test cases, generating stubs and executing tests.
7. Review test cases written by the Product Validation Group.
8. Install product in customer location, train the customer reps on product features and operation & maintenance procedures, and complete user acceptance testing, making any changes in the final deliverable as required.
9. Handle customer queries and complaints received directly or through the company support organization.
10. Change code to fix reported customer problems after trouble shooting, get the fix reviewed and complete selective regression testing.
11. Draft user documentation for consolidation by the technical documentation team. This could include GUI, API, O&M and technical documentation relating to COTS. Review drafts prepared by junior developers.
12. Help maintain design requirement documents as directed.
13. Participate in the development, release, support & enhancement activity through multiple release cycles and multiple products
14. Proactively seek feedback/reviews on self-development, learning, and developed code. Responsible for completing the assigned task in all aspects by proactively seeking reviews, and updating the status to supervisors.
15. Ensure the task assigned is understood in all respects and communicate effectively and raise necessary alarms to reporting leads if anything is not understood or no progress is possible.
Capability Building
1. Assist junior developers in coding, testing, and troubleshooting.
2. Train and support a new member joining the team with little or no experience in the development environment, technology domain, and the specific work underway. Focus on scope of work familiarization.
Work Experience: 3 to 5 years
Official Notice Period – Immediate to 15 days ONLY
Excellent communication skills
Job Location – Mumbai
Mandatory Skills – Java 8, Spring boot, Hibernate, Microservices, Angular
- 4 year degree or equivalent experience
- 8 to 13 years of software development experience
- Demonstrates broad and deep expertise in any programming languages(Java, GoLang) and open source frameworks (e.g., Spring Boot, Micronut).
- Designs, develops, and approves end-to-end functionality of a product line, platform, or infrastructure and microservices.
- Must have exposure to at least one cloud product/platform development.
- Working knowledge of any one client side framework like ReactJS or Angular, etc.
- Should have exposure to one or more databases like Cassandra, MongoDB, Graph, Redis, Elastic Search and Postgres.
Who We are?
At e6data (https://e6x.io/" target="_blank">https://e6data.io) we’re building core algorithms that make querying 25 - 200X more performant (i.e. faster and/or cheaper) than every other analytics platform in the world. This results in billions of dollars of value unlocked across faster analytics, savings on computing/infra, and new use cases become possible.
Our core team has 100+ years of combined experience and 10+ patents across diverse but complementary disciplines like real-time databases, time-series databases, SQL OLAP engines, distributed computing platforms, stream processing, and log analytics. Two of the founding team are second-time founders with past exits.
We are passionate about solving the deepest and most important problems in computer science and believe in making our technology available to customers regardless of their location, size, or budget. Our vision is for e6data to power every analytical workload in the world - regardless of deployment scenario (cloud, on-premise, edge), across every use case (end-user queries, ETL / data pipelines), and every latency requirement (batch, streaming / real-time).
What you will do?
- Write awesome code
- Your primary focus will be on building our product around our core algorithms. You will collaborate with our Performance Engineering and DevOps teams.
- Identify tactical and long-term product improvements (could be code, script, etc.) so that e6data development is based on frictionless onboarding of customers
- Build our internal Data Platform using e6data
- Adding scalable functionality to the core e6data engine for new features like UDFs, SQL functions, etc
What we are looking for?
- Worked with Java for a minimum of 4 years
- Knowledge of SQL Query planning will also be good to have
- A passion for continuous learning and growth (both at a personal and team level)
- Strong team player
- Experience (or enjoys) working in a startup will be an added advantag
Greetings from Wavelabs!!!
We are hiring Java Developer for our in-house teams.
Please find the below details and JD for your reference.
About us:
Wavelabs is an AI-First, new-age Technology company for the Digital, Cognitive & Industry 4.0 Era. We help you rethink and reinvent while adapting to the inevitable change technology evolutions bring.
We leverage cutting-edge technology to become an enabler of fundamental innovation and disruption. We drive business outcomes with Data and Data Analytics to go beyond the existing platforms for insights and become agile on execution. We intend to leverage the advances in artificial intelligence (AI) and machine learning (ML) to build solutions loved by all.
This is who we are. We are a community looking to deliver true flagship experiences. We focus on the things that matter most to us – design and customer experience. Most importantly, we’re not just doing it for ourselves. We are here to share the best technology and build beautiful products hand-in-hand with you.
Experience: 3+ Years
Location: Hyderabad / Anywhere WFH
Notice Period: Immediate to 20 Days
Java Developer – 3 + Years
Job Description:
- Experience in Java and related technologies frameworks like Spring, hibernate
- Experience with Spring Boot and Microservices is good to have.
- Experience working with Restful APIs etc.
- Worked as an individual contributor with good communication skills
- Good understanding of design and development patterns and anti-patterns.
Interested Candidates can share their updated resumes at
chiranjeevi.dhoradla@wavelabs. ai
Regards
Chiranjeevi
Experince is 2 to 5 yrs and 5 + yrs (In-depth knowledge and hands on experience on Spring Boot & Java is mandatory

We are looking for talented and self-motivated engineers to come join us on our mission.
We have a team culture that encourages collaboration and innovation at all levels and we expect developers to take a high level of ownership for the execution of tasks assigned to them.
Roles and responsibilities:
● Understand and derive requirements from product managers and customers
● Able to design APIs and modules for scale.
● Participate in design reviews and look at opportunities to continuously improve on practices
and quality.
● Own end-to-end implementation of modules and drive the project
● Debug prod issues and solve them efficiently and quickly. Customer obsession is key
● Automate recurring day-to-day tasks.
● Show initiative to drive topics to resolution and able to collaborate with multiple teams in
delivering the project
● Mentor junior team members
● Own project deadlines and seeing through project go-live.
Job Requirements Skills
● Good problem-solving skills and ability to understand and use the right data structures and algorithms
● Use design patterns and best engineering practices to design scalable and extensible
solutions. Working knowledge of microservices and/or event-driven architecture is plus
● Working knowledge of relational databases esp PostgreSQL.
● Advanced expertise in Java/server-side technologies. Working knowledge of Spring Boot is desirable
● Should have designed and implemented REST APIs. Good working knowledge of HTTP(S),Web servers desired
● Should have worked in Linux environments and understanding of GIT or any other source code versioning is a must
● Understanding of ORMs, Caching, Object storage, Queues is a must. Exposure to AWS S3, SQS components, Redis is a plus
● Own and write tests using Unit and integration testing frameworks
● Ability to work independently and/or with a team in a fast-paced, rapidly changing
environment
● Should do code reviews.
● Server-side application deployment experience is a plus.
Qualifications
● Experience - A minimum 6+ yrs of relevant experience.

Job Role – Technical Lead – Back End
Work Location - Bengaluru
Job Description –
Requirements
• 5+ years of experience in product companies
• Experience in software development and coding in multiple languages
• Experience in both front-end and back-end development with mastery in back-
end.
• Excellent knowledge of software and application design and architecture
• Understanding of software quality assurance principles
• Managed at least 4-5 engineers in their experience.
• High quality organisational and leadership skills
• Outstanding communication and presentation abilities
If you think you are one of them then please reply with your interest and we will take your candidature ahead for the next level of evaluation. Below information would be appreciated more:
Current CTC:
Expected CTC:
Notice Period:
Update Resume: please attach








