Java developer

Requirements

• 6–12 years of backend development experience.
• Strong expertise in Java 11+, Spring Boot, REST APIs, AWS.
• Solid experience with distributed, high-volume systems.
• Strong knowledge of RDBMS (e.g., MySQL, Oracle) and NoSQL databases (e.g., DynamoDB, MongoDB, Cassandra).
• Hands-on with CI/CD (Jenkins) and caching technologies Redis or Similar.
• Strong debugging and system troubleshooting skills.
• Experience in payments system is a must.

Responsibilities:

• Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.

• Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.

• Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.

• Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.

• Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.

• Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.

• Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.

Requirements:

• Proven work experience as a Backend Developer or similar role, with a focus on server-side development.

• Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.

• Familiarity with SaaS concepts and architecture.

• Experience with API design and development, including RESTful APIs.

• Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.

• Experience with version control systems, such as Git.

• Strong problem-solving and analytical skills, with keen attention to detail.

• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.

• Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory

  Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object-Oriented Concepts and Data Structures

·       Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

• Programming Language: Java, J2EE
• Framework: Spring MVC, Spring Security, Hibernate, JMS
• Strong knowledge in any one Relational Databases (Mysql / Oracle/ SQL Server).
• Operating System: Windows & Linux.
• Configuration Management: GIT
• Tools & Utilities: STS / Eclipse / IntelliJ / NetBeans.Web/Application Server: Jboss.
• Excellent hands-on experience and knowledge of SQL.
• Strong experience in Web services (SOAP and RESTFUL).
•  Should have expertise in Design Patterns, Transactions, Multi-threading concepts.
• Experience using Maven.
•  Knowledge of data structure

• Deliver entire application life cycle - concept, design, build and test complex web applications.
•  Gather requirements around functionality and translate those requirements into elegant functional and technical solutions.
•  Collaborate with cross-functional teams to define, design, and ship new features.
• Unit-test code for robustness, including corner cases, usability, and general reliability.
•  Perform bug fixing and ensure acceptable application performance.
• Continuously upgrade knowledge on technology changes, evaluate impact to application, and implement changes to ensure minimal latency in application availability to users.
•  Work closely with project/product managers while effectively working across multiple projects and delivering to deadlines.
• Mentor the team members on the nuances of technology and implement best practices within the team.

We are hiring for Java senior Developers with Spring Boot and Microservices experience for Bangalore location. It is work from home now and after 6-8 months candidate must relocate to Bangalore.

Senior Java Developers

6-10 yrs

Should have hands on experience in Spring Boot and Microservices

Responsibilities:

• Develop back-end server that includes business logic linked to various data storage solutions including database.
• Design back-end server system by using technology appropriate for server environment.
• Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly scalable, available, maintainable.

Requirements:

• Excellent Programming Skills.
• Strong problem-solving abilities.
• Analytical skills, and troubleshooting.
• Good understanding of algorithms, data structures, and performance optimization methods.
• Hands-on with Design, Coding, Debugging, and Testing.
• Excellent Communication & Interpersonal Skills, Team Player.

Programming Skills:

• C, C++, and/ Java Jquery, Spring, Struts. Hibernate, iBatis, Node.js Web Services, Web Security, MySQL.
• Memcache/Redis, Cassandra/HBase, MongoDB/CouchDBMap Reduce, Hadoop, Spark, Hive, Mahout.
• Fast Data Processing - Storm - Rules Engine - Drools.

Job Title: Java Developer

Department: Technology and Research

Location: Mohali, Punjab

Reports to:  Technical Lead

Sampana Digital (SDPL) (http://www.sampanadigital.com">www.sampanadigital.com)  is a digital technology company that provides end-to-end product engineering and digital transformation services. Our engineering services includes web & mobile application development, user experience design, cloud, testing and infrastructure managed services to transform businesses digitally. We also enable enterprises with contextual and personalized two-way multi-channel mobile communications, including SMS, voice, email and PWA technology.

We believe in small teams of smart, committed, and diverse individuals coming together and form a breakthrough insight. We are a team of passionate professionals to craft an unbeatable culture and services.

Come and join us!   

The successful candidate will be a pro-active problem solver, quick learner and will provide technical leadership and solution ownership. This candidate should have a passion for technology and should be looked at as a “technical guru” who champions their design, coding and implementation strengths and prides themselves on their development expertise. The successful candidate will join a team that develops and integrates enterprise e-commence and e-transaction systems for a diverse client base.

• The successful applicant will be responsible for the technical delivery of all development assignments allocated to him in a timely fashion, while meeting rigorous quality targets.
• FSLC (Full Systems Life Cycle) programming in Java of scalable, maintainable, and well documented solutions based on Java
• Unit testing of code - Working with very large and complex SQL databases
• Troubleshooting through resolution of technical issues and system errors
• Performing testing, documentation, and mentoring/grooming/coaching less technical staff where applicable
• Work with Architects, Project Managers, and other Developers to estimate the level of effort necessary to implement assigned work packages.
• Write efficient, clean, tested code that follows high standards and quality requirements

Skills

• 1-2 years of enterprise application development experience with at least 1 year experience with Java/J2EE Technologies.
• Proficient in Java 8, with a good knowledge of java ecosystems
• Proven working experience in SQL and Database programming (MySQL, etc.)
• Development experience in Restful Web Services using Spring Framework
• Development experience using any ORM (JPA/Hibernate)

• Have knowledge of design pattern, which includes java, j2ee design pattern.
• Web development experience using HTML5, CSS and AJAX/JQuery and Angular preferred.
• Demonstrable working knowledge of CI/Build tools like Maven, Ant and Jenkins
• Proficient understanding of code versioning tools, such as Git/Bitbucket.
• Familiarity with mainstream application servers like Apache Tomcat, WebSphere 8.0.
• Have working knowledge of LINUX commands and scripting.
• Experience developing and deploying solutions/applications across various environments (on premises and cloud (AWS ,Azure, Alibaba, GCP etc.)

Qualification & Experience:

• Bachelor of Engineering, preferably in Computer Science/or related fields or Masters, from a premier college
• 2 to 6 years overall software development experience
• Proven hands-on Software Development experience
• Ability to work with an agile mindset
• Having a polyglot mindset to think beyond one programming language/framework to choose the right tech stack for the right problem and exhibit learnability to pick up new technologies
• Proven working experience in Java development/Python development with reasonable exposure to Python/Java respectively or willingness to learn Python/Java
• Hands on experience in designing and developing applications using Java EE platforms/Python Frameworks
• Object Oriented analysis and design using common design patterns
• Good Understanding of Data Structures & Algorithms
• Hands on multi-threading
• Experience in the Relational Databases, SQL and ORM technologies (e.g. JDBC, JPA2, Hibernate, Django ORM)
• Experience with test-driven development