Job Description:
Minimum 3+ years of experience
Java, OOPS, Data structure, Design Patterns, Multithreading, Spring, Hibernate, Java Script based technology, knowledge of J2EE, PL - SQL..
Core Java Topics including Language Features, Architecture.
OOP Concepts in depth with real time scenarios
Understandings of special Keywords and their applicability as well as advantages and
disadvantages - Like static, final, this, super etc. static should be in depth
Singleton class, Serialization, Cloning, Anonymous Inner class concepts.
In depth concept of Dynamic and static polymorphism & Multiple Inheritance issue/ resolve.
Concepts on String, Exception Handling, Array etc.
Java SE 8 and 9 Features: Functional Inheritance, Lambda Expression, default and static method
etc.
Collection Classes in detail along with the internal data structure and working principle.
Multithreading concept. Concept on ConcurrentHashMap etc.
Analysis of Algorithm - Time Complexity – Big O Calculation
Code Optimizing techniques, Different Algorithm designs and strategies.
Design patterns in Java
Different Sorting & Searching Algo with their Time complexity analysis
Problem solving using Hackerrank or similar sites, with focus on Arrays, Linked Lists, Hash Maps,
Trees, Balanced Trees, Stacks, Queues, Strings , Big Number , Data Structures, Object Oriented
Programming
Exception Handling – Advanced, Sorting, Search, Recursion, Graph Theory.
Note: Core Java + PL/SQL (Unix will be add on)

Similar jobs
Proficient in Golang, Python, Java, C++, or Ruby (at least one)
Strong grasp of system design, data structures, and algorithms
Experience with RESTful APIs, relational and NoSQL databases
Proven ability to mentor developers and drive quality delivery
Track record of building high-performance, scalable systems
Excellent communication and problem-solving skills
Experience in consulting or contractor roles is a plus
Responsibilities:
• Take on complex problems that span multiple components and teams.
• Independently own one or more multiple modules, which include: requirement analysis, design, development, maintenance & support
• Write extensive, efficient code to address complex modules that handle the interaction between multiple components.
• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions
• Produce architecture with clean interfaces, that are efficient and scalable
• Participate and contribute to architectural discussions
• Solve production issues. Investigate and provide solutions to minimize the business impact due to the outage
• Continuously improve performance metrics of modules you own.
• Collaborate effectively across teams to solve problems, execute and deliver results
Requirements:
• Experience: 3+ years
• A Bachelor's or Master's Degree in Computer Science
• Software engineering and product delivery experience, with a strong background in algorithms
• Experience in architecting & building real-time, large-scale e-commerce applications
• Experience with high-performance websites catering to millions of daily traffic is a plus
• Excellent command over Data Structures and Algorithms
• Experience with web technologies, Go/Java/Python
• Language: GO or Python
• Strong expertise in DS and Algo
• Strong leadership skills - have experience mentoring, building products from scratch or incumbent in design and architecture.
• Have worked in the scaling of the system right from scratch.
• Someone worked in small user base to a large user base and wrote optimized code
• Both HLD and LLD
· Developing simulation must have experiences in VR/AR/MR . Experience with 3D platform.
· Familiar with Unity/ Unreal editor and its features and developing solutions using Unity/Unreal Engine.
· Coding and testing for VR devices.
· Can work on Window/ Web based and l ow-notch design.
· Experience with Version Controller - SVN .
· Experience with Game Implementation.
· Understanding of OOP concepts and knowledge of C #, .Net framework.
About Rara Delivery
Not just a delivery company…
RaRa Delivery is revolutionising instant delivery for e-commerce in Indonesia through data driven logistics.
RaRa Delivery is making instant and same-day deliveries scalable and cost-effective by leveraging a differentiated operating model and real-time optimisation technology. RaRa makes it possible for anyone, anywhere to get same day delivery in Indonesia. While others are focusing on ‘one-to-one’ deliveries, the company has developed proprietary, real-time batching tech to do ‘many-to-many’ deliveries within a few hours.. RaRa is already in partnership with some of the top eCommerce players in Indonesia like Blibli, Sayurbox, Kopi Kenangan and many more.
We are a distributed team with the company headquartered in Singapore 🇸🇬 , core operations in Indonesia 🇮🇩 and technology team based out of India 🇮🇳
Future of eCommerce Logistics.
- Data driven logistics company that is bringing in same day delivery revolution in Indonesia 🇮🇩
- Revolutionising delivery as an experience
- Empowering D2C Sellers with logistics as the core technology
About the Role
- 5 - 7 years Experience with the following technologies: Core Java/J2EE, Spring Boot, Creating API, Hibernate, JDBC, SQL/PLSQL, messaging architecture, REST/Web services, Linux
- Expertise in application, data and infrastructure architecture disciplines
- Advanced knowledge of architecture, design and business processes
- 4+ years of Java, J2EE development experience
- Strong technical development experience in effectively writing code, performing code reviews, and implementing best practices on configuration management and code refactoring
- Experience in working with vendor applications
- Experience in making optimized queries to MySQL database
- Proven problem solving and analytical skills
- A delivery-focused approach to work and the ability to work without direction
- Experience in Agile development techniques, including Scrum
- Experience implementing and/or using Git
- Ability to work collaboratively in teams and develop meaningful relationships to achieve common goals
- Bachelor degree in Computer Science or related discipline preferred
- Developing, managing, and enhancing e-commerce websites.
- Optimizing websites to ensure they render consistently in cross-browser environments, with the best SEO principles, caching mechanics, etc.
- Handling queries related to MySQL and Database.
- Participating in project & deployment planning.
- Building high-availability integrations layers with JSON, REST & SOAP, WebAPI
What you need to have:
- Solid Experience in Magento2 and Magento extensions.
- Advanced knowledge of, JavaScript, HTML, and CSS. Analyze, design, code, debug, test, document & deploy applications.
- Exposure to a minimum of 3 e-commerce projects (starting with requirement gathering).
- Understanding of modern UI/UX trends.
- Demonstrable knowledge of XML, XHTML, Modules i.e. API integration.
- Strong OOPS and RDBMS concept & understanding of Performance Tuning, Browser Compatibility, SEO Practices, and Version Control.
- High-quality programming solutions using Code Sniffer, PSR Standards, writing UNIT tests.
- Proficient in GIT, Branching Strategies, and bitbucket.
- Module Development Experience with Magento 2
- Extensive experience in PHP and AGILE Methodology.
- Experience working on large projects involving 10,000+ products.
- Experience on the multi-vendor website is a plus for this profile.
Other Requirements
- Magento2 developer should lead the team and handle pressure and demands.
- Sound knowledge of IT concepts and the latest trends.
- Ability to work independently and multi-task in a fast-paced environment.
- Strong verbal and written communication and interpersonal skills.
- Highly organized and detail-oriented.
- 1.5+ Years of experience in .Net, ASP.Net and C#, WCF/API and REST services.
- Should be able to write clean and good scalable code.
- Hands on experience with CSS, JavaScript and jQuery
- Strong knowledge in OOPS concepts.
- Knowledge of T SQL with SQL server 2008 R2/2012 including Stored Procedures, Triggers & User Defined Functions.
- Good to have CSS3 and HTML5 knowledge.
- Good analytical and communication skills are required.
- Preference will be given to the candidates who can do client interaction.
EXPERIENCE: 7 to 9 years in Java 2 Enterprise server side development. Must have applied knowledge of design patterns needed for building REST APIs and services for performance and scale.
SKILLS:
- Problem Solving and application of Object Oriented principles to development
- REST API development using Java, JAX-RPC,
- Server side development using Java, Spring Boot, Node.js
- Concurrent programming with Java
- Database programming in SQL with Oracle, MySQL or other RDBMs.
- Deployment to AWS and Kubernetes and building with Maven
- Affinity towards server side development
- Ability to understand existing code and re-engineer/re-factor/redesign.
- Written and spoken English communication and articulation.
NICE TO HAVE:
- Working knowledge of GO Lang and Python scripting
- AWS Certifications
- Working knowledge of Elastic Search based persistence and search
- Secure coding practices
EDUCATION: Bachelor or Master's degree in Computer Science, Software Engineering or Information Technology or related disciplines.
Backend - Software Development Engineer-III
Responsibilities:-
- Research, design and build highly reliable, available and scalable platforms
- Explore design implications and work towards an appropriate balance between functionality, performance, and maintainability.
- Lead by example, mentor and guide team members on everything from structured problem solving to development of best practices
- Own large technical deliverables and execute in an exemplary way
- Be able to conceptualize and develop prototype quickly
- Working with a cross-discipline team of Design, Product, Data Science and Analytics team.
- Active participation in the hiring process to bring quality engineers in the team.
Requirements:-
- Strong proficiency in Javascript and TypeScript
- Strong proficiency of Node.js and frameworks available for it such as Express
- Strong understanding and experience of creating highly scalable and complex database design
- Good understanding of Data Modeling using RDBMS and NoSQL(Cassandra, MongoDB, ElasticSearch, Redis) data stores
- Strong problem-solving skills with a good understanding of data structures and algorithms
- Strong understanding of front-end technologies, such as HTML5, and CSS3
- User authentication and authorization between multiple systems, servers, and environments
- Experience of creating highly scalable, fault tolerant, resilient distributed systems
- Strong knowledge of creating scalable system design and good understanding of microservice based architectures
- Understanding of caching enabled, PubSub and event driven architectures
- Hands on experience and good knowledge of AWS services
- Understanding automated testing platforms like selenium and unit tests like Chai, Mocha, Jasmine etc
- Proficient understanding of code versioning tools, such as Git
- E/B.Tech/M.E./M.Tech/M.S.
- Curiosity to explore the cutting edge technologies and bake them in the products.
- Zeal and drive to take end to end ownership.
- 5+ years of experience in back end development preferably in microservice environment.
- We are hiring Java Developers with experience in building high-performing, scalable, enterprise-grade applications.
- You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
- Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Responsibilities :
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Skills :
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven hands-on Software Development experience
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience with test-driven development.











