
Job Title: Lead Java Developer
Experience Required: 7+ Years
Location: Mumbai
About the Role
We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.
Key Responsibilities
- Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
- Build and optimize APIs for large-scale applications ensuring high performance and reliability.
- Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
- Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
- Write efficient SQL queries and integrate with relational and NoSQL databases.
- Collaborate with product managers, architects, and other developers to define and align on technical decisions.
- Identify and solve complex problems with innovative and scalable solutions.
- Drive best practices in coding standards, system design, and performance optimization.
- Communicate complex technical concepts clearly across teams and stakeholders.
Skills & Qualifications
- 7+ years of experience as a Backend Developer.
- Strong expertise in Java, Spring Boot, Microservices, SQL.
- Significant experience in API design and optimization for enterprise-scale applications.
- Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
- Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
- Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
- Strong communication and collaboration skills, with the ability to influence and align teams.

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2. Spring boot/ Spring or any variations of Spring
3. MySQL
4. Mentions of, distributed systems, scalable systems
5. Mentions of ElasticSearch, Kafka or Redis
6. NoSQL databases like Cassandra/DynamoDB/MongoDB/Hbase etc
7. Mentions of Handling scale/scalable systems
9. Mentions of AWS or Amazon web services.
Excellent knowledge in Core Java (J2SE) and J2EE technologies.
Hands-on experience with RESTful services, API design are must.
Knowledge of microservices architecture is must.
Knowledge of design patterns is must.
Strong knowledge in Exception handling and logging mechanism is must.
Agile scrum participation experience. Work experience with several agile teams on an application built
with microservices and event-based architectures to be deployed on hybrid (on-prem/cloud)
environments.
Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like
JPA/Hibernate.
Experience in managing the Source Code Base through Version Control tool like SVN, GitHub,
Bitbucket, etc.
Experience in using and configuration of Continuous Integration tools Jenkins, Travis, GitLab, etc.
Experience in design and development of SaaS/PaaS based architecture and tenancy models.
Experience in SaaS/PaaS based application development used by a high volume of
subscribers/customers.
Awareness and understanding of data security and privacy.
Experience in performing Java Code Review using review tools like SonarQube, etc.
Good understanding of end-to-end software development lifecycle. Ability to read and understand
requirements and design documents.
Good Analytical skills and should be self-driven.
Good communication with inter-personal skills.
Open for learning new technologies and domain.
A good team player and ready to take up new challenges. Active communication and coordination with
Clients and Internal stake holder
Requirements: Skills and Qualifications
6-8 years of experience in developing Java/J2EE based Enterprise Web Applications
Languages: Java, J2EE, and Python
Databases: MySQL, Oracle, SQL Server, PostgreSQL, Redshift, MongoDB
DB Script: SQL and PL/SQL
Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
OS: Windows, Linux/Unix.
Cloud Services: AWS and Azure
Version Controls/ Devops tools: Git, Bitbucket and Jenkins.
Message brokers: RabbitMQ, and Kafka
Deployment Servers: Tomcat, Docker, and Kubernetes
Build Tools: Gradle/Maven
We are looking for a Senior Java Developer with 6+ years of experience to join our team. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, and Cloud Technologies. You will play a key role in designing, developing, and optimizing scalable applications while mentoring junior developers and ensuring best coding practices.
Key Responsibilities:
- Design, develop, and maintain Java-based enterprise applications.
- Implement and optimize Microservices Architecture using Spring Boot.
- Develop, test, and deploy RESTful APIs and Web Services.
- Work with SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Ensure application scalability, security, and performance.
- Collaborate with DevOps teams for CI/CD pipeline integration.
- Work with Cloud platforms (AWS, Azure, or GCP) for cloud-native development.
- Implement best practices for coding, testing, and deployment.
- Lead code reviews, mentor junior developers, and contribute to architectural decisions.
- Troubleshoot production issues and provide effective solutions.
Required Skills & Experience:
- 6+ years of hands-on experience in Java development.
- Strong expertise in Spring Boot, Spring MVC, and Spring Security.
- Experience with Microservices Architecture and containerization tools like Docker/Kubernetes.
- Proficiency in SQL & NoSQL databases (MySQL, PostgreSQL, MongoDB, Redis).
- Hands-on experience with RESTful APIs, messaging systems (Kafka, RabbitMQ), and authentication mechanisms (OAuth, JWT, SAML).
- Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD).
- Experience in Agile/Scrum development methodologies.
- Strong knowledge of multi-threading, concurrency, and design patterns.
Role: Java developer
Experience: 4+ years
Job description
○ Working experience on JAVA,Spring Boot. (on building web services?)
○ NOSQL DynamoDB knowledge is plus
○ Working experience in building micro services and distributed systems
○ Working experience on using messaging queues RabbitMQ/Kafka is plus
|
Must Have: •At least 6+ years in web services development and solid understanding of web technologies in JAVA •Strong Expertise in building & deploying application on any of the major cloud platforms (GCP, AWS, Azure) •Strong expertise with Docker/Kubernetes •Working knowledge of building Micro Services, RESTful web Services using any framework (Spring Boot, JaxRS, Jersey) •Strong Expertise of writing JUnits & How to configure it through maven •Good understanding of NoSQL databases and have worked upon any one of them (HBase, Cassandra, Big query, Mongo) •Good understanding of Message Queues and have worked upon any one of them (Kafka, RabbitMQ, Pub Sub) •Good understanding of Maven, Git •Good understanding of Jenkins, CI/CD architecture •Good understanding of Programming Algorithms and Data Structures •Experience with BDD & Cucumber
Good to Have: •Monitoring experience – Stackdriver or Prometheus or Azure equivalent •Operational readiness – SLI/SLO, DevOps experience •Service mesh – ex: Istio •Any OpenShift experience •Knowledge on Graph technology •Have worked upon any of the big data technologies •Have worked upon tools like white source, Veracode... •Knowledge of Python and Angular •Integration tests using BDD Framework (Cucumber) •Good understanding of Streaming technologies and processing engines (Dataflow, Flink, Spark) •Knowledge of VSTS |
Minimum of 4+ years of experience in Java development
- Experience delivering Services (REST, SOAP) and Web applications in Micro services architecture
- Experience developing and deploying Java solutions to cloud
- Experience in Spring Boot and components of Spring framework
- Experience in a JavaScript framework such as Angular or React
- Experience in TDD using Junit or similar frameworks
· Experience in Design Patterns and service oriented architectural principles, Data structures and Algorithms.
· Individual should be an active participant in the product design and code reviews for self and team and can competently review any aspect of their product or major sub-system.
· Experience in SQL, Unix skills.
· Good communication Skill
Writing well-designed, efficient, and testable code.
Delivering high availability and performance.
Contributing in all phases of the development lifecycle.
MUST HAVE SKILLS
- CORE JAVA & SQL
Desired Skills
Designing, implementing and delivering high quality Software project in JAVA, SQL / Oracle, J2EE and other JAVA technologies.
Job Responsibilities
Participate in detailed level in design, coding, code walk through, peer code reviews and unit testing, System Testing, UAT, Demos, POCs, installation, maintenance of Software modules.
❑ Ensures the preparation of the following:
▪ Software prototype
▪ System Architecture
▪ Software Design Document
▪ User interfaces to be developed as per UX guidelines
▪ Code files ensuring coding guidelines followed
▪ Code review artefacts during peer code review
▪ Test plan and Test Cases
▪ Installation / Deployment document
▪ Release Document
▪ Technical Documentation
❑ Documents and demonstrates solutions by developing documentations, flowcharts, layouts, diagram, charts, code. comments and clear code; Ensuring that project task are completed in defined effort and timelines ❑ Prepares and installs solutions by determining and designing system specifications, standards & programming.
❑ Testing: Writing of test cases, unit testing, system testing, negative testing
❑ Trouble shooting: Log analysis and database query optimization
❑ Improves operations by conducting system's analysis.
❑ Updates job knowledge by studying state of the art development tools, programming techniques & computing equipment; participates in educational opportunities, reads professional publications & maintains personal networks.
❑ Protects operations by keeping information confidential.
❑ Provides information by collecting, analyzing and summarizing development and service issues. ❑ Develops software solution by studying information needs, conferring with users, studding system flow, data usage and work processes, investigating problem areas, following delivery cycle.
❑ Ensuring that the Newgen quality processes are in place and are followed.We are building consumer internet space, payment processing, e-commerce and/or enterprise. SAAS products. Undergraduate (or higher) degree in computer science/engineering. You have an excellent grasp over theoretical and applied computer science.
Job Description
Responsibilities You can take responsibility of large sized projects. You can take full responsibility of one or more core modules and/or technical verticals / libraries / frameworks / components. This will include design and architecture, evaluating and deciding which framework/language/data store/tools to us, preparing roadmaps and timely delivery. You understand the business impact of your decisions. You will review code and ensure that implementations are testable, performant, scalable, documented and secure. You will work closely with product, design, revenue, platform and growth teams. You can take responsibility of large sized projects involving inter-departmental stakeholders. You can take full responsibility of one or more core modules and/or technical verticals / libraries / frameworks / components. Payment processing framework capable of supporting multiple payment methods (cards, netbanking, UPI, wallets, etc.) with one or more payment method supported across multiple payment gateways. This will include design and architecture, evaluating and deciding which framework/language/data store/tools to us, preparing roadmaps and timely delivery. You will drive engineering best practices, recruit other engineers, lead and manage teams, conduct performance reviews and mentor other engineers. You will review code and ensure that implementations are testable, performant, scalable, documented and secure. You will work closely with product, design, revenue, platform and growth teams.
Requirements 3-5 Years of Experience in software engineering.
5-10 years of industry experience in software engineering building consumer internet space, payment processing, e-commerce and/or enterprise SAAS products. Bachelor's Degree in Computer Science or related field, or 3+ years relevant work experience. Undergraduate (or higher) degree in computer science/engineering. You have an excellent grasp over theoretical and applied computer science. You have excellent problem solving and analytical skills. You should be able to identify systemic issues, performance bottlenecks and design/architect improvements. Experience with working on PCI compliant infrastructure. You should be able to build at this engineering level Store builder (products with multi-level variants (colour, size, etc.), SKUs, discounts) and shopping cart. Highly concurrent double entry accounting system. You have excellent problem solving and analytical skills. You should be able to identify systemic issues, performance bottlenecks and design/architect improvements. Good hold on data structures and algorithms. Strong object-oriented design skills, and an uncanny ability to design intuitive modules and class-level interface.
Desired Skills and Experience Python, Golang, Java, Ruby on Rails, Django









