
Responsibilities:
- Lead the development of the back-end systems for our first product.
- Build reliable, secure and performant back-end systems.
- Drive test coverage and continuous delivery automation within the team.
- Mentor and provide feedback to teammates.
Requirements:
- 3+ years of software development experience.
- Strong computer science fundamentals.
- Deep and wide knowledge of Java ecosystem.
- Can write code that is readable, maintainable, secure and performant.
- Know the importance of tests and how to approach writing different types of tests.
- Good intuition for REST API design.
- Deep understanding of relational databases, transactions, entity-relationship modelling.
- Comfortable writing highly concurrent systems.
- Experienced in using profilers, tuning garbage collection, optimising SQL queries.

Similar jobs
Greetings from Wissen Technology!
We are hiring Java Developers for Mumbai location.
Exp - 4 - 8 years
Location - Mumbai (Goregaon) - Hybrid
Notice Period - immediate or serving notice period only
Interview Process - Initial rounds virtual + Final round F2F
Software Engineer/Senior Software Engineer/Lead Engineer-Java
· Experience in Core Java 5.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
· Possess good architectural knowledge and be aware of enterprise application design patterns.
· Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
· Good development experience with RDBMS
· Good knowledge of multi-threading and high volume server side development
Basic working knowledge of Unix/Linux
· 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.
Job Brief-
· Understand product requirements and come up with solution approaches
· Build and enhance large scale domain centric applications
· Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines
Are you passionate about backend development and building scalable applications? Join our growing team!
Technical Skills:
- Extensive experience in programming/scripting languages and frameworks in at least two Node.js, Java Springboot, and Python.
- Understanding of architectural patterns like Flux and MVC is a desirable
- Work experience in REST API service, Socket connections, and mechanisms to handle real-time async data is important.
- Strong knowledge in OOPS, GIT, SQL/nonSQL DB (such as Elastic DB, Mongo DB, MySQL), Design Patterns
- Preferred to have experience with microservices, API gateway, AAA service
- Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/CD practices.
Must have previous experience in leading a team-
- Experience with RESTful web services, CSS, and HTML5 is desirable-
- Experience with designing and building APIs with REST/Microservices
- Good to know about AWS Lambda & supporting configuration knowledge. Knowledge of any of the serverless frameworks like Serverless, AWS SAM would be an advantage.-
- Good to know of API Gateway and CloudFront.-
👉 Required Skills:
- Strong experience with Node.js
- Hands-on expertise in Payment Gateway Integration
- Proficient in MySQL Database Management
- Knowledge of Socket Programming is a big plus!
Need Immediate Joiners only (4-5 days)
Overall experience 6+ years and relevant at least 2+ years in Golang with Java
● Strong design and architectural experience in building various highly-scalable and
highly-available products
● Strong understanding of the SDLC Activities which include Analysis, Design, Development,
Testing, Deployment and Post-Production Support etc.
● Proficiency in at least one server side framework for languages preferably Go Lang
● Experience working on NoSQL & SQL Databases such as MySQL, PostgreSQL, MongoDB,
Redis etc
● Deep Dive, problem-solving, RCA and systematic thinking to reach the cause of issues
● Able to work independently and multi-task effectively
● Program at a system level and able to manage service stability
● Excellent experience maintaining, scalable, extensible code
● Methodical in maintaining up to date documentation
● Metric-driven mindset and obsessive about ensuring clean coding practices
● Preferred experience in product development
● Preferred working experience on microservices platforms
● Proficiency in at least one modern web front-end development framework such as React JS
will be a bonus
Good to Have Skills:
● Preferred experience in Elasticsearch and Kibana (ELK Stack)
● Preferred experience with messaging systems like RabbitMQ
Java developer roles will vary greatly depending on companies and job positions. Here are some typical roles and responsibilities of java developers:
- Contribute to all stages of software development lifecycle
- Design, implement and maintain Java-based applications that can be high-volume and low-latency
- Analyze user requirements to define business objectives
- Envisioning system features and functionality
- Define application objectives and functionality
- Ensure application designs conform with business goals
- Develop and test software
- Identify and resolve any technical issues arising
- Create detailed design documentation
- Propose changes to current Java infrastructure
- Develop technical designs for application development
- Develop multimedia applications
- Write well designed, testable code
- Conducting software analysis, programming, testing, and debugging
- Manage Java and Java EE application development
- Develop documentation to help users
- Transforming requirements into stipulations
- Prepare and produce releases of software components
- Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review
Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
Requirements
- Degree in Computer Science or related field.
- Experience with user interface design, database structures, and statistical analyses.
- Analytical mindset and good problem-solving skills.
- Excellent written and verbal communication.
- Good organizational skills.
- Skills required- Java , Springboot , Hibernate , Database
- Understand the fundamentals of Software Engineering, such as Data Structures, Algorithms, Design Patterns
- Ability to write Java applications using Spring, Springboot or any other microservices frameworks
- Experience in the development of REST applications, in Java or Kotlin
- Capable of writing effective APIs
- Solid knowledge of JVM fundamentals such as classloading, memory management, garbage collection
- Demonstrated experience in platform API design and development
- Knowledge on microservice and event-driven architecture
- Experience in working with version control frameworks such as Git (preferable), SVN
- Experience with NoSQL databases (MongoDB or Cassandra) & Relational Databases
- Solid understanding of TDD & Agile principles such as CI / CD, with a proven track record of implementing solutions centred around those concepts
- Excellent communication, collaboration, reporting, analytical and problem solving skills
Work Location:Mumbai,Gurgoan,Indore,Bangalore,Hyderabad
- J2EE
- Web services
- JSON
- JSP Servlet
- Exception handling
- Multithreading
- Rest API
- Microservices
|
¡ Solid Design and Architecture skills. Experience in the designing, development, and deployment of large-scale enterprise applications with multiple tiers. |
|
¡ Ensure agile test-driven development for robustness, usability, reliability, security and performance. |
|
¡ Expert in Core JAVA and Spring Boot and other Spring libraries, Eureka, Hystrix etc. |
|
¡ Experience creating architecture or developing web services to integrate applications with databases such as Oracle, MySQL, MongoDB, or Cassandra |
|
¡ Solid understanding of OOPS, algorithms and data structures. |
|
¡ Experience on Kafka / Scala / Storm / Elastic Search and Web Services like RESTful / SOAP. |
|
¡ Extensive experience with version control systems (Git is preferred) and issue tracking systems (JIRA is preferred) |
An ideal candidate must possess excellent Logical & Analytical skills. You will be working in a team as well on diverse projects. The candidate must be able to deal smoothly and confidently with the Clients & Personnel.
Key roles and Responsibilities:
⦁ Able to design and build efficient, testable and reliable code.
⦁ Should be a team player sharing ideas with the team for continuous improvement and development process.
⦁ Good Knowledge on Spring Boot, Spring MVC, J2EE and SQL Queries.
⦁ Stay updated of new tools, libraries, and best practices.
⦁ Adaptable, Self-Motivated, must be willing to learn new things.
⦁ Sound Good knowledge on HTML, CSS, JavaScript.
Basic Requirements:
⦁ Bachelors' Degree in Computer Science Engineering / IT or related discipline with a good academic record.
⦁ Excellent communication skills and interpersonal skills.
⦁ Knowledge on SDLC flow from requirement analysis to deployment phase.
⦁ Should be able to design, develop and deploy applications.
⦁ Able to identify bugs and devise solutions to address and resolve the issues.

Writing reusable, testable, and efficient code Design and implementation of low-latency, high-availability, and performant applications Integration of user-facing elements developed by front-end developers with server side logic Implementation of security and data protection
Skills and Qualifications :-
• Good Understanding of Java/J2EE programming language, Spring REST, Spring Boot, Spring Cloud , Microservices , NoSQL, Cassandra, couchbase, postgreSQL, Redis or any distributed cache stores, Kafka/spark
• Comfortable producing and refactoring code without assistance
• Hands on experience with dockers
• Hands on experience with cloud environments either AWS or Azure
• Able to do BDD or test driven development
• Hands on knowledge with test frameworks for automation
• Understands different major language paradigms (OOP/Functional)
• Knowledge of design patterns for REST application
• Can implement design patterns with guidance
• Understands CI and continuous delivery.
• Understands BDD/TDD/Performance/Security/Smoke testing
• Working knowledge of CI tooling
• Understands version control & branching strategies
• Comfortable translating small behaviour requirements into tasks & code







