Senior Java Developer - ESB/Architect

Job Title: Software Developer (7-10 Years Experience)

Job Summary: We are seeking an experienced Software Developer with 7-10 years of hands-on development expertise in designing, building, and maintaining enterprise level applications and scalable APIs. Key

Responsibilities:

• Design, develop, and maintain microservices based applications using the Spring framework.

• Build secure, scalable REST and SOAP web services.

• Implement API security protocols including OAuth, JWT, SSL/TLS, X.509 certificates, and SAML, mTLS.

• Develop and deploy applications by leveraging AWS services such as EC2, Lambda, API Gateway, SQS, S3, SNS.

• Work with Azure cloud services and OpenShift for deployment and orchestration.

• Integrate JMS/messaging systems and work with middleware technologies such as MQ.

• Utilize SQL and NoSQL databases, including MySQL, PostgreSQL, and DynamoDB.

• Work with Netflix Conductor or Zuul for orchestration and routing.

• Collaborate with cross functional teams to deliver robust solutions in an Agile setup.

Required Skills:

• Strong JAVA OOPS fundamentals.

• Strong proficiency in Spring Framework (Spring Boot, Spring Cloud, Spring Security).

• Solid experience in microservices architecture.

• Handson experience with AWS cloud and OpenShift ecosystem.

• Familiarity with Azure services.

• Strong understanding of API security mechanisms.

• Expertise in building RESTful APIs.

• Experience working with SQL/NoSQL databases.

• Should have worked on integration with AppDynamics or similar APM tools

• Strong analytical and problem-solving skills.

Good to have skills:

• SOAP web services and graphQL

• Experience with JMS, messaging middleware, and MQ.

Qualifications:

• Bachelor’s or Master's degree in computer science or related field.

• 7-10 years of experience in backend development or full Stack development roles. 

• Experienced in defining & realizing end-to-end Technical Architecture for large scale enterprise systems. Ability to identify and define non-functional requirements and design systems to meet the same.
• Strong experience in OOAD and in applying Design patterns
• At least 5 years’ hands-on experience in Java/ JEE technologies like Struts/JSF, Spring, EJB, JMS Experience only on front-end technologies like Struts, JSP, Servlets, HTML will not be sufficient.
• Experience in performance testing and optimization of JEE systems on any of the following application servers - WebLogic, WebSphere and JBoss. Deep expertise in any one of the application server is a
• Strong experience in at least one RDBMS (Oracle, MS-SQL, MySQL).
• Experience in creating and reviewing technical documents like Architecture blueprint, Design specifications, Deployment architecture, Workload modeling
• Excellent understanding of software development methodologies and
• Experience in either of these areas is a definite add-on - Infrastructure sizing, Capacity planning, Performance modeling, Cloud
• Working experience on Linux/Unix based OS system is a
• Working experience on any one of these open source technologies (LAMP stack, Node.js framework, ELK, Cassandra, MongoDB, Couch base NO-SQL databases).

We are seeking a highly skilled and experienced Full Stack Developer to join our dynamic team. As a Full Stack Developer, you will be responsible for designing, developing, and implementing software solutions across the entire application stack. You will collaborate with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality, scalable, and maintainable software products.

Responsibilities :

1) Design and develop robust, scalable, and efficient software applications, APIs, and web services using modern technologies.

2) Collaborate with product managers, designers, and other developers to understand project requirements, user stories, and technical specifications.

3) Write clean, maintainable, and well-documented code following best practices and coding standards.

4) Perform thorough testing and debugging to ensure software quality and reliability.

5) Optimize application performance and implement security measures.

6) Stay up-to-date with industry trends and emerging technologies, and continuously improve technical skills.

7) Participate in code reviews to provide and receive constructive feedback.

8) Collaborate with team members to identify and resolve technical issues and bugs.

9) Work in an agile development environment, actively participating in sprint planning, stand-ups, and retrospectives.

10) Contribute to the continuous improvement of development processes and tools.

Requirements :

1) Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent work experience).

2) Proven experience as a Full Stack Developer or similar role, with a strong portfolio of completed projects.

3) Proficiency in front-end technologies such as HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue.js.

4) Strong knowledge of back-end technologies such as Node.js, Python, Ruby, or Java.

5) Experience with databases and ORM frameworks (e.g., MySQL, PostgreSQL, MongoDB, SQLAlchemy, Hibernate).

6) Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud) and serverless architecture.

7) Knowledge of version control systems (e.g., Git) and collaboration tools (e.g., Jira, Trello).

8) Solid understanding of software development principles, design patterns, and best practices.

9) Excellent problem-solving skills and the ability to analyze and resolve complex technical issues.

10) Strong communication skills and the ability to work effectively in a team environment.

Preferred Qualifications :

1) Experience with containerization technologies (e.g., Docker, Kubernetes).

2) Familiarity with DevOps practices and CI/CD pipelines.

3) Experience with Agile/Scrum methodologies.

• Bachelor’s/Master’s degree in Computer Engineering with 5+ experience writing high quality, efficient and maintainable code. Proficiency with Elixir or Erlang. Alternatively experience with at least two of Ruby on Rails, NodeJS, Python,Lisp/Clojure, Scala, Haskel or similar
• Proficiency with Typescript or Javascript using ReactJS, VueJS or similar.
• Good knowledge of SQL databases (PostgresSQL, MSSQL, Oracle or similar)
• Good knowledge of revision control system like GIT, SVN, TFS or similar
• Experience with NoSQL databases like InfluxDB, Prometheus, Elastic Stack, SOLR or similar is a plus.
• In depth knowledge of Linux would be a plus
• Exposure to schematic and layout design and understanding would be a plus.
• Experience working with the energy metering segment is a plus.

• The selected candidate will be handling software development activities in Elixir and Typescript
• Technical development activities as per client requirements and internal operational processes.
• Coordinate with multi geographical teams for technical development.
• Close coordination with Technical Support team to visit customers and understand requirements.
•  
• Maintaining/writing high quality code, tests and documentation

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software

• Proficiency in Java, with a good understanding of its ecosystems
• 2+ Yrs experience in microservices
• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts
• Familiarity with different design and architectural patterns
• Skill for writing reusable Java libraries
• Know how of Java concurrency patterns
• Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
• Experience in working with popular web application frameworks like Play and Spark
• Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
• Ability to write clean, readable Java code
• Experience in handling external and embedded databases
• Understanding basic design principles behind a scalable application
• Skilled at creating database schemas that characterize and support business processes
• Basic knowledge of JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
• Implementing automated testing platforms and unit tests
• In-depth knowledge of code versioning tools, for instance, Git
• Understanding of building tools like Ant, Maven, Gradle, etc
• Expertise in continuous integration
• Other required skills of a java developer include the basic knowledge of:
• JavaServer pages (JSP) and servlets
• Web frameworks like Struts and Spring
• Service-oriented architecture
• Web Technologies like HTML, JavaScript, CSS, JQuery
• Markup Languages such as XML, JSON
• Abstract classes and interfaces
• Constructors, lists, maps, sets
• File IO and serialization
• Exceptions
• Generics
• Java Keywords like static, volatile, synchronized, transient, etc
• Multi-threading and Synchronization

Must skills:

Hands- on in the following:

• Java 8/J2EE
• Spring boot
• Gradle/Maven
• REST API
• ORM- hibernate/ JPA
• Unit Testing and Integration Testing- Junit/ TestNG

Good to have:

Hands-on in the following:

• CI/CD pipeline deployment
• Messaging- ActiveMQ/RabbitMQ/MQ
• DB2
• Kafka
• NoSQL framework exposure