Java Developer

We are seeking a skilled and experienced Senior Backend Engineer proficient in Java to join our dynamic team. The ideal candidate will have 4-7 years of hands-on experience in Java development, particularly in building robust backend systems and microservices architecture. As a Senior Backend Engineer, you will collaborate with cross-functional teams to design, develop, and deploy scalable and efficient backend solutions to support our products and services.

Responsibilities:

1. Design, develop, and maintain high-performance backend systems and microservices using Java.
2. Collaborate with product managers, frontend engineers, and other stakeholders to understand requirements and translate them into technical specifications.
3. Implement best practices in software development, including code reviews, testing, and documentation.
4. Optimize and refactor existing codebase for improved performance, scalability, and maintainability.
5. Troubleshoot and debug issues in production environments and provide timely resolutions.
6. Stay updated with industry trends and emerging technologies to propose innovative solutions and improvements.
7. Mentor junior engineers and contribute to their professional growth and development.
8. Participate in agile ceremonies such as sprint planning, stand-ups, and retrospectives.

Requirements:

1. Bachelor's degree in Computer Science, Engineering, or a related field.
2. 4-7 years of professional experience in backend development with a focus on Java.
3. Strong proficiency in Java programming language and its ecosystem.
4. Experience with building scalable and distributed systems using microservices architecture.
5. Proficiency in Spring Framework (Spring Boot, Spring MVC, Spring Data, etc.).
6. Solid understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
7. Experience with RESTful API design and implementation.
8. Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform.
9. Knowledge of containerization and orchestration tools like Docker and Kubernetes is a plus.
10. Excellent problem-solving skills and attention to detail.
11. Strong communication and collaboration skills.
12. Ability to work independently and in a team-oriented environment.
13. Experience with Agile/Scrum methodologies.

Preferred Qualifications:

1. Master's degree in Computer Science or a related field.
2. Experience with DevOps practices and CI/CD pipelines.
3. Knowledge of reactive programming frameworks like Akka or Vert.x.
4. Familiarity with message broker systems such as Kafka or RabbitMQ.
5. Contributions to open-source projects or active participation in the developer community.

Requirements:

·  Candidates must have substantial applicable IT experience, extensive development, programming experience in Core Java, J2ee, Spring, Spring Boot, Hibernate, Webservices using Restful, any DB (Oracle, PostgreSQL, SQL server).

·  Preferably the candidate must have worked in development projects and must have experience in Java / J2ee design patterns.

·  Experience in AWS, Azure will be an added advantage.

·  Candidate must have good experience in Agile methodology.

• 2+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

What we are scouting for

• BS/MS in computer science or equivalent work experience in IT
• 2+ years’ experience designing and developing applications using Java EE platforms
• A strong hands-on programming knowledge in Core Java including Java 8. To solve the problem given in optimized way.
• Strong knowledge on the Data structure and algorithm.
• Experience developing and designing API integrations using SOAP/RESTful
• Should be able to understand the time complexity of the existing algorithm. Able to compare different algorithms available.
• Expert understanding of the object-oriented design and programming concepts
• Know the fundamentals of Object-Oriented Programming using Java;
• Used SQL & NoSQL solutions
• Experience in GIT/SVN, build tools such as Ant/Maven/Gradle
• Experience in JUnit, Sonarqube, Mockito, Jacoco, Maven & Jenkins

Technical Competency – Nice to have

• Experience in Dependency Injection, Annotation, Validations, Auto Wiring
• Good knowledge in internal working on Memory Management, Transaction management
• Knowledge on DevOps pipeline tools like Jenkins, tools for Code quality scan, tools for security scan
• Spring boot
• Spring MVC
• Any Java Certification

Behavioural Competency

• Strong interpersonal communication skills
• Ability to lead self and team toward common goals
• Excellent oral and written communication, presentation, and analytical skills
• Excellence in technical communication with peers and non-technical cohorts

What you will be doing

• As a self-motivated and enthusiastic member of our team, you will work with extremely talented peers in a fun environment building performance efficient payment authorization services that are highly scalable, configurable and available
• You’ll work in an Agile environment with a focus on problem solving and engineering excellence.
• Worked independently and as a member of a team, determined to make active contributions to the assigned Team
• Flexible and adaptable approach to the roles assigned to you
• Ability to coordinate and prioritize tasks, and work in a fast paced and challenging environment
• Deliver on time under dynamics with a high level of integrity and flexibility, sense of urgency, attention to detail and quality standards
• Make a large impact on the design, architecture, and implementation of cutting edge products
• Work with other team members to investigate design approaches, prototype new technology

and evaluate technical feasibility

• Work in an Agile/Scrum environment to deliver high quality software
• Establish architectural principles, select design patterns and then mentor team members on their appropriate application

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward. 

Top Skills

•    You write high quality, maintainable, and robust code, often in Java or C++.

•    You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.

•    You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.

Roles & Responsibilities

•    You solve problems at their root, stepping back to understand the broader context.

•    You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.

•    You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.

•    You recognize and use design patterns to solve business problems.

•    You understand how operating systems work, perform and scale.

•    You continually align your work with Amazon’s business objectives and seek to deliver business value.

•    You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.

•    You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.

•    You communicate clearly with your team and with other groups and listen effectively. 

Skills & Experience

•    Bachelors or Masters in Computer Science or relevant technical field.

•    Experience in software development and full product life-cycle.

•    Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.

•    Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.

•    Proficiency in SQL and data modeling.

Roles and responsibilities: 

·         Minimum of 4+ years of experience developing in Ruby on Rails 

·         Candidates must be able to solve Algorithms problems using Ruby 

·         Strong knowledge of Data Structures, Algorithms and Design Patterns 

·         Experience with RESTful APIs and building Scalable Microservices 

·         Strong System Design and Architecture skills. 

·         Experience working in test-driven environment 

·         Comfortable doing paired programming and extreme programming 

·         Great communication skills and desire to work with multiple technologies - Java, RoR, GraphQL etc. 

·         Experience writing APIs and services with Ruby on Rails       

·         Knowledge of Agile development methodologies, test driven development (TDD), extracting / refactoring code into services, domain-driven design, and CI/CD