
Job Title -Senior Java Developers
Job Description - Backend Engineer - Lead (Java)
Mumbai, India | Engineering Team | Full-time
Are you passionate enough to be a crucial part of a highly analytical and scalable user engagement platform?
Are you ready learn new technologies and willing to step out of your comfort zone to explore and learn new skills?
If so, this is an opportunity for you to join a high-functioning team and make your mark on our organisation!
The Impact you will create:
- Build campaign generation services which can send app notifications at a speed of 10 million a minute
- Dashboards to show Real time key performance indicators to clients
- Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
- Building highly available & horizontally scalable platform services for ever growing data
- Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
- Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
- You will build backend services and APIs to create scalable engineering systems.
- As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
- You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
- Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
- Identify and improvise areas of improvement through data insights and research.
What we look for?
- 5-9 years of experience in backend development and must have worked on Java/shell/Perl/python scripting.
- Solid understanding of engineering best practices, continuous integration, and incremental delivery.
- Strong analytical skills, debugging and troubleshooting skills, product line analysis.
- Follower of agile methodology (Sprint planning, working on JIRA, retrospective etc).
- Proficiency in usage of tools like Docker, Maven, Jenkins and knowledge on frameworks in Java like spring, spring boot, hibernate, JPA.
- Ability to design application modules using various concepts like object oriented, multi-threading, synchronization, caching, fault tolerance, sockets, various IPCs, database interfaces etc.
- Hands on experience on Redis, MySQL and streaming technologies like Kafka producer consumers and NoSQL databases like mongo dB/Cassandra.
- Knowledge about versioning like Git and deployment processes like CICD.
What’s in it for you?
- Immense growth, continuous learning and deliver the best to the top-notch brands
- Work with some of the most innovative brains
- Opportunity to explore your entrepreneurial mind-set
- Open culture where your creative bug gets activated.
If this sounds like a company you would like to be a part of, and a role you would thrive in, please don’t hold back from applying! We need your unique perspective for our continued innovation and success!
So let’s converse! Our inquisitive nature is all keen to know more about you.
Skills
JAVA, MONGO, Redis, Cassandra, Kafka, rabbitMQ

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Job Title : Senior Backend Developer (Node.js + AWS + MongoDB)
Experience : 4+ Years
Location : Andheri, Mumbai (Work From Office)
About the Role :
We are looking for a highly skilled Senior Backend Developer with strong expertise in Node.js (NestJS), AWS, and MongoDB to join our growing engineering team.
This role requires someone who takes ownership, is proactive, and enjoys building scalable, high-performance backend systems in a fast-paced environment.
Key Responsibilities :
- Architect, design, and develop scalable backend services using Node.js (NestJS).
- Design and manage cloud infrastructure on AWS Services (EC2, ECS, RDS, Lambda, etc.).
- Develop and maintain high-performance database solutions using MongoDB.
- Work with Kafka, Docker, and serverless frameworks (SST) for efficient deployments.
- Optimize system performance, scalability, and reliability across services.
- Ensure application security, best practices, and compliance standards.
- Collaborate with cross-functional teams to deliver robust product features.
- Take end-to-end ownership of features from design to deployment.
Technical Requirements :
- 4+ years of backend development experience.
- 3+ years of hands-on experience with Node.js.
- 2+ years of hands-on experience with AWS.
- Strong experience with NestJS framework.
- Solid experience with MongoDB and database design.
- Experience with Kafka, Docker, and serverless architecture.
- Understanding of system design, scalability, and performance optimization.
Good to Have (Bonus Skills) :
- Experience with Python or other backend languages.
- Exposure to Agentic AI use cases or implementations.
- Strong understanding of security best practices.
What We’re Looking For :
- Curious mindset and eagerness to learn new technologies.
- Proactive problem solver with strong ownership attitude.
- Strong team player with effective communication skills.
- Positive, energetic, and passionate about building great systems.
About Company:
Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.
Minimum Requirements/Qualifications:
(i) Minimum education qualification of MCA/ MSc (Computer Science)/BE/BTech (computers/ IT).
(ii) Must have at least 2.5 to 5 years of experience in application development, deployment, and testing. He/ She must possess a valid MySQL Developer or Java Developer certification, which is obtained at least six (06) months prior to the date of award of the contract to the firm.
(iii) Knowledge of Software Management Life Cycle and Software Testing viz unit testing, system testing & Integration Testing, etc.
(iv) Knowledge & hands-on experience of PHP & My SQL is a must. Additional knowledge of Post GreSQL, Typescript & Lit element, Java with Hibernate and Springs, SQL Server, Apache Tom Cat Server & relevant open-source technologies is required.
(v) Individuals must have hands-on experience in server operating systems viz Windows Server OS and RHEL. Knowledge of security concepts of web applications & Networking for undertaking necessary troubleshooting wrt applications accessibility.
(vi) Knowledge of Mobile Application Development
Key Responsibility Areas:
- Creation of new Course No, Term, and Term type at the beginning of each term. All associated Database tables and software procedures and functions are updated and recompiled.
- Management of Data Entry and Information access right to various users.
- AMC includes bug fixing, updating of application for any small policy changes.
- Regular Patch/update installation and coordinating with MIS team for identification and resolution of issues wrt application functioning and deployment
- Implementation of Cyber security policies and hardening of application
- Development of New functionalities in the application
- Regular Testing of running application functionalities and undertaking unit and integration testing of newly developed components.
- Support for making changes in the NDA internet web portal.
- AMC includes backing up of software, and database and storing it in other locations every week
- Online Multimedia Management System
- Software Wise Charter of Duties
- Cadet Suggestion/ Complaint Management System
Title: Senior Java Developer
Top Skills: Java , Spring boot, Microservices, MYSQL, PL/SQL, NoSQL
Work Mode:- Full time
Location:- Teynampet, Chennai, Tamil Nadu
Employer: Innovating digital experiences with cutting-edge technology, design, and user-focused solutions for global brands
We are seeking a highly skilled and experienced Sr. Java Developer with a proven track record in
delivering high-quality applications. If you're passionate about building modern, scalable, and
robust software solutions, we want to hear from you!
Required Qualifications
7+ years of software development experience with a focus on delivering robust and
efficient solutions.
Strong proficiency in Java and its latest versions and expertise in developing
Java-based applications.
Hands-on experience with relational databases and proficiency in writing complex SQL
queries.
Familiarity with Enterprise Java (J2EE / Java EE / Spring) application architectures.
Demonstrated history of delivering modern, high-cadence applications using:
Agile methodologies and test-driven development (TDD).
CI/CD pipelines for streamlined deployment and updates.
Git version control for collaborative development.
Job Description
Java Developer Transformational Product Experiences .
Preferred Skills
Knowledge of microservices architectures and Domain-Driven Design (DDD).
Working knowledge of Python and JavaScript/Node.js.
Experience with Object-Relational Mappers (ORMs) such as Hibernate or JPA.
Strong Problem Solving skills
Bonus Skills
Exposure to emerging Generative AI technologies and tools like OpenAI APIs and GPT
large language models (LLMs).
Practical experience with MongoDB or other NoSQL, MySQL databases.
- Expertise with NodeJS (extensively using ExpressJS) and databases like MongoDB or MySQL
- Comfortable with developing MVC architecture-based code
- Skilled in implementing security features across the applications and components
- Skilled with code optimization techniques
- Strong troubleshooting techniques
- Strong defect resolution process for minimized latency
- Familiarity with confluence management like JIRA/Trello/Youtrack
Good to have:
- Networking fundamentals, prior working experience in network technologies and protocols
- Tools usage - Code quality, Memory/CPU profiling tools
- Ability to build supportability features to reduce the defects in software components
- Knowledge of GNU tools, revision control software (SVN, Git, etc.) and development lifecycle, docker container usage and LDAP is a plus
- 4+ years JAVA/J2EE experience Spring Services, Spring Security and Rest Api's
- Spring Framework: Core Spring / Spring Boot / Spring MVC ,Rest Service
- JPA/Hibernate, JSON parsing
- Build Tool : Maven
- Apache tomcat
- Database : Any RDMS (preferably Mysql)
- SCM: Git / Bitbucket
- Java 8 Generics, SOLID Design Principle
- Strong experience on Collections Framework and Threading
- Collections: Hashmaps, Concurrent Hashmaps, Treemap, Thread pool
- SSO, PAS, JPA/Hibernate, API Integration Build, MATLAB Integration with Java, Json Conversion.
- Location : PAN India(Preferred Bangalore)
- Early joiners preferred.
We are looking for strong developers with below skills,
- Java
- Springboot
- REST API
- Microservices
Excellent communication skill.
Notice : Immediate - 30 days
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
● Be responsible for programming and software development using various programming languages and related tools and frameworks, reviewing code written by other programmers, requirement gathering, bug fixing, testing, documenting and implementation.
● Good understanding of GoLang and microservices
● To take up development and deployment of native code to manage the customer facing platforms
● Explain complex technical issues to project managers, developers, application leads and architects in an easy to understand manner, and recommend clearly thought out solutions.
● Knowledge of Integration Design patterns for building middleware systems from the ground up
● Knowledge of Web Services Interoperability, standards and ability to suggest, criticize and formulate solutions in a multi-vendor and architecture discussions.
● Develop solutions by designing system specifications, standards and programming
● Troubleshoot issues and provide bug fixes.








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