Java Developer

Job Responsibilities:

* Design, build, and maintain efficient, reusable, and reliable Java code

* Ensure the best possible performance, quality, and responsiveness of the applications

* Identify bottlenecks and bugs, and devise solutions to these problems

* Help maintain code quality, organization, and automatization

* Prepare the technical design of complex technology components

Mandatory Skills:

* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java

* Solid understanding of object-oriented programming along with various design and architectural patterns

* Hands on experience with Spring, Spring Boot, JUnit

* Familiarity with concepts of MVC, Microservices, RESTful

Preferred qualifications:

 

• 3-7 years of relevant work experience in business application development/implementation with strong understanding of Microservice Architecture.
• Very Strong in Core Java (OOP, Collections, Threads, Regular Expressions, Exception handling)
• Must have strong experience in software design and development and familiar with technologies - Java, Java-J2EE, JSP, Spring Boot, Spring Cloud, Spring Securities, Hibernate, Ajax, REST API, Microservices, Angular etc
• Strong knowledge of Queuing frameworks like ActiveMQ, RabbitMQ, Kafka etc and Caching frameworks like Redis, Hazelcastetc
• Strong understanding of 12 Factor Apps and Cloud Native fundamentals and design patterns
• Good knowledge on coding standards, design patterns, unit testing, Junit, Mockito
• Good to have experience with Docker&Kubernetes and ability to configure and run CI/CD pipelines
• Good knowledge of database SQL / NoSQLand trade-off among multiple DB technologies
• Experience implementing, customizing and/or integrating third-party applications within business enterprise software.
• Understand software implementation lifecycle (e.g., analyze, design, build, test, implement, support).
• Excellent communication and analytical skills and a demonstrable bias toward action.
• Good documentation skills to create Technology related Documents
• Hands on with AWS and/or Azure cloud

 

Responsibilities:

 

• Design, deploy and build solutions, with custom front ends (web, mobile) and backend services that automate business processes in Java Techstacks with Microservice architecture.
• Coordinate with tech leads and software engineers working on related deliverables
• Work closely with analysts and business process owners to translate business requirements into technical solutions.
• Create database schema and optimize data handling and storage
• Learn, diagnose and implement features and bug fixes, Implement debugging techniques and ability to find root causes of problems
• Mentor Junior team members, Provide technical expertise to product or project team
• Maintain highest levels of development practices including: technical design, solution development, systems configuration, test documentation/execution, issue identification and resolution, and writing clean, modular and self-sustaining code, with repeatable quality and predictability.
• Produce highly usable systems that are high performance, easy to maintain and engineered to meet business needs
• Communicate ideas and develop strategy through presentations, demonstrations and specifications
• Assist the product or project manager in creation of functional and technical documents

He/ She should have the expertise in the following areas:
• Hands on experience in open source Technologies like java,j2ee, spring boot,spring mvc,mysql,jasper etc.
• Expertise in documentations like FRS,SRS,HLD,LLD, Traceability Matrix etc.
• Strong experience in application of UML, Design Patterns in design of solutions
• Strong Database skills including MySql etc.
• Must involved in at least one complete SDLC of a large size project
• Conversant with the latest technological developments including SOA and Agile
• Conversant with platforms, tools and frameworks used in application development
• Experience on the use of software development best practices, tools and technologies.
• Experience to Identify performance, reliability, security & integration bottlenecks and suggest recommendations.
• Expertise in REST API integration

Primary Responsibilities:

 

• Principal Engineers  are responsible for driving Technology and Engineering Best Practices in their respective teams.
• They should demonstrate a high level of ownership and accountability for their product and software systems.
• They are expected to go above and beyond their role by contributing in tools, processes and practices which bring operational efficiency and are aligned with business goals.
• They are expected to actively participate in development along with team members and create systems and modules which represent a working model of engineering best practices.
• They are expected to participate in code reviews, design reviews, architecture discussions.
• They are responsible for the Engineering metrics/health of their systems including strong alerting and monitoring mechanisms.
• They are expected to lead the adoption of best practices around coding, designing, performance of systems in a team.

 

Experience or Skills Required:

 

• B.Tech or Advanced degree in Computer Science with 6-12 years of industry experience in product based companies.
• Proficiency with Basic libraries for machine learning such as scikit-learn and pandas
• Experience in building solutions based on Linear Regression, Logistic Regression, K Nearest neighbor, SVM, Random Forest, Decision Trees.
• Strong experience with at least one of programming languages: Python, Java, Vertx, Golang
• Strong experience in building Server side reusable components based on Microservices or Distributed Architecture.
• Solid coding skills with ability to lead teams in identifying clearing tech debts for large scale code base.
• Good understanding & experience in improving performance of scalable and real time responsive applications.
• Excellent Problem Solving skills and an aptitude to approach problems from first principles and build solutions for those.
• Must have excellent communication (verbal & written), interpersonal, leadership, and problem solving skills.
• Must be able to work independently and enjoy working at a fast paced start-up environment
• Excellent Mentoring skills. Be the technical mentor to your team.
• Must be comfortable working in fuzzy environments where boundaries are not clearly defined.

Roles and Responsibilities
• Code, develop, design and architect features related to the existing application. We
expect you to own modules end to end and take pride in the work products you
ship.
• Lead from the front, when it comes to delivering high quality work products. Serve
as a mentor to the team members
• Create and define performance metrics. Ideate, innovate and hack through the
existing systems to improve performance.
• Perform code reviews, set coding practices and guidelines within the team.
• Make sense of the product specs, be nimble in getting the issues resolved. Be a
thought leader.
Critical Functional Skills:
• Solid understanding and knowledge of Java/C/C++. You should understand the
concepts of multithreading, I/O, messaging, instrumentation etc and their
implementation in Java/Any other Object-Oriented Language.
• Proficiency in the implementation of algorithms and the use of advanced data
structures to solve problems in computing. A solid foundation in the principles of
computer science is desired.
• Ability to write clean, modular, and loosely coupled code by the use of design
patterns.
• He/She should be able to break down and architect complex software systems. For
example- Build
• Cars Availability Engine for Ola.
• Strong decision-making ability
• Deep expertise in at least one programming language & tech stack.
• Substantial experience in building complex and scalable solutions.
• Strong object-oriented design skills, ability to apply design patterns, and an uncanny
ability to design intuitive module and class-level interfaces
• The ability to do deep problem solving and build elegant, maintainable solutions to
complex problems.
• Experience leading multi-engineer projects and mentoring junior engineers
• Experience with full life cycle development in any programming language on a Linux
platform
• Comprehensive operational experience including, optimizations, deployments and
tuning servers like apache/mysql/tomcat/solr
• Prior experience in working with Agile software methodologies (XP, Scrum), TDD,
and Continuous Integration(CI/CD) a plus.
• Experience in building data-driven web application design and development is a plus
• Expert level experience in building a scalable, large and complex business
application.
Experience Required:
• Typically with an experience of 5+ years of development experience in a product
firm.
• Must have lead, designed, architected and delivered at least 1 project in his previous
assignments independently.
Minimum Qualifications Required:
• Btech/MS from a reputed Institute
• Deep expertise with any or combination programming languages: Java, C++, C#,
Ruby, Scala,
• Go any object-oriented high-level proprietary or open-source language with strong
programming constructs. We are not skill-specific but go by strength in
competencies
• Machine coding
• Single machine in-memory program
• Need a working code with functionality
• Readable and well-designed code with right abstractions, separation of concerns,
• right design patterns
• Performant code with concurrency and efficient data structures
• Write test cases covering the happy path and edge cases
• Problem Solving
• Choose the right combination of data structures to solve the problem
• Identify most edge cases for the problem
• Identify opportunities of parallelism: utilizes multi-core solutions where applicable
• Design & Architecture
• Distributed systems design and system interaction
• Identify API signatures
• LLD with class design
• Solve for performance & availability

Required Technical Skills: 

• Java (highly capable)
• SQL (highly capable)
• Strong knowledge of software best practices, build processes, IDEs, database tools (e.g. SQL Developer, SQL Management Studio)
• Strong knowledge of source code control systems (GIT)
• Confident with Windows, Linux, Unix operating systems including command line
• Working knowledge of JIRA

 

Beneficial Technical Skills: 

• .Net
• C 
• Javascript 
• Experience in test management and test execution
• Experience of Agile development methods

 

Additional Skills and Behaviour Required 

• Experience of full software development lifecycle
• Considers competing solutions and evaluates options to create the best outcome in all aspects of the role.
• Willingness to takes ownership of whole project and engineers assigned.
• Confident to make suggestions and recommendations for improvements.
• Excellent written and verbal communication skills and ability to build good rapport
• Fluency in English, both written and oral
• Collaborates with others to achieve objectives and ensure information flow
• Seeks assistance and feedback as appropriate 

Education 

• Bachelor's degree (or equivalent) in Computer Science or Engineering or other relevant discipline (MCA, MSc in Computer Science etc.)

 

About the opportunity

 

What you’ll be doing:

• You will contribute to all aspects of an agile software development life-cycle including design, architecture, development, documentation, testing and operations.
• You will build cutting-edge scalable systems by writing simple and efficient code.
• You will push your design and architecture limits for new product development.
• You will collaborate with product managers, and other key stakeholders within the MMT family to successfully execute projects.
• You will ensure compliance with build/release and configuration management process.

 

What you’ll bring to the table:

• You possess good understanding of Agile Methodology, Object Oriented Programming Concepts and Responsive Designs.
• You have hands-on experience on Java/ J2EE stack and have done development across multiple browsers/platforms delivering mind-boggling results.
• You thrive in complexity and jump at the opportunity to collaborate with colleagues to delivery projects within tight deadlines.
• If you have work experience in a product/start-up company, we’ll like you even more.

 

Our Purpose and Challenges

With over 47% market-share, MakeMyTrip is India’s first and biggest travel company. In fact, one in every four passengers at an airport is our customer. Driven by the desire to provide an exceptional travel experience for our customers, we have continuously stayed ahead of the curve by developing technology and products to meet the ever-changing demands of the rapidly evolving travel ecosystem.

 

We are currently solving multiple challenging problems, including -

• How to bring the next 100 million users to our platform?
• How to leverage customer insights to create a truly personalised experience for users?
• How to create a delightful experience for our users, to make travel synonymous to MMT?

• Understand business case and define Mule ESB Solution Architecture • Mule ESB integration platform • Install, configure and deploy solution using Mule ESB 3.x • Validate requirements and drive integration discussions • Understand latest architecture, technology, solutions, and industry trends • Develop Business Process Orchestrations - ESB Itinerary using Mule ESB • Contribute to enterprise architecture standards; advocate the adoption of standard project frameworks, methodologies, and procedures • Define integration principles and patterns • Create detailed technical design specifications for new integrations. • Responsible for providing effort estimates • Co-ordination of implementation with various offshore teams to create development plans, support delivery and test of scalable, reusable, supportable and repeatable architectural and design patterns • Issue analysis and resolution • Perform code and design reviews • Provide technical guidance and mentoring to team members, Onshore and Offshore • Review deliverables from team • Develop governance model for team deliverables through automation in test and CI/CD.