Staff / Principal Engineer - BackEnd (Java)

About the Company:

Company is a direct to consumer brand in affordable fast fashion space using full stack model to solve for high quality at affordable prices. We leverage in-house manufacturing coupled with strong usage of technology to drive efficiency. Rapidbox is funded by Top-Tier VC firms and
prominent angel investors.

Must Have Skills (Working Experience Needed):

Preferably a Graduate/Postgraduate from a Tier 1/2 college/university.
Core Java
Hibernate and any relational database – MySQL, Postgres, Oracle.
Redis Caching
Spring
Maven, Git
Ability to thrive in a dynamic environment with changing priorities
Spring
Experience with OO design, design patterns & deep understanding of JVM internals
(multithreading, garbage collection etc.)
Problem solver
Search solutions like ES, Solr
NoSQL data store like Cassandra/Mongo
Kafka
Microservices Architecture, Web services, API development, Enterprise integration
Experience on scalable and distributed systems

Good to have:

Distributed Cache
Performance testing tools - Jmeter, Locust, Gatling
Ecommerce background

ABOUT US: Panamax Inc., the technology arm of Bankai Group, is a global leader in FinTech, 1.2 Billion Dollar Revenue, 800 Employees, Presence is worldwide 12 Countries Telecommunication, and Consulting services for telecom operators, carriers, MNOs and MVNOs. Headquartered in New York, it was established in the year 2001. The company has worked with some highly reputed clients over the years and has gained invaluable insights that have helped us optimize our telecom and technology turnkey solutions. Our solutions and services are specifically designed to ensure a seamless integration with the existing ecosystems of our potential clients. We're proud to have a 4.4 Glassdoor rating from our employees. We are hiring a Recruiter to join the Panamax Inc. team. If you're hard-working and dedicated, Panamax Inc. is an excellent place to grow your career.

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)

Requirements:
• Minimum 8+ Years of software development/programming experience.
• Any Bachelor’s or Master’s degree, not limiting to Engineering.
• Must be detail oriented.
• Experience with Agile methodologies.
• Strong communication skills and fluent in English (written and spoken)
• Keywords are team player, proactive, attention to detail, independent, strong analytical skills and
the ability to adapt to new challenges
Responsibilities:
• 8+ Years of software development/programming experience
• 3+ Years of experience in Drop-wizard/Spring Boot Microservice
• Strong experience building multi-threaded applications using Java 8 and above
• Experienced in Agile development methodologies / Continuous Integration
• Java Design Patterns
• Amazon AWS EC2/S3/RDS
• OpenAPI, Contract first development experience
• Strong Java Concurrency (Java Threading)
• DDD (Domain Driven Design)
• Testing frameworks Like Mockito
• Test driven development experience
• JIRA, Git, Github and Github actions

13+ years of software development experience with multi-tenant enterprise SaaS applications built on
scalable technical stack, SQL, and big data technologies (preferably with strong data visualization and
analytics products).
 Demonstrate knowledge of cloud architecture and implementation features (OS, multi-tenancy,
virtualization, orchestration, elastic scalability).
 Experience in architecting, developing Micro services architecture with hand-onn experience.
 Experience with Spring, Hibernate, Java, J2EE, Rabbit MQ, REST, Tomcat technologies.
 Experience with Javascript UI technologies such as JQuery, Backbone, Bootstrap, AngularJS.

Job Description

 Experience, seasoned professional and self-starter and need ability to translate customer/business
challenges and problems into tangible solutions.
 Proactively bringing issues and problems to the attention of the team; generating, proposing and
implementing innovative solutions to solve them.
 Proactively takes on challenges with a fresh perspective and open mind, with goal to provide continuous
improvement of platform and processes.
 Demonstrates creativity, innovation and out-of-the-box thinking in crafting solutions addressing business
requirements, with near and long-term lenses.
 Master-level experience and in-depth knowledge of Java platform with any one or more of: JBoss,
WebLogic, Websphere application servers.
 Experience and knowledge of developing enterprise applications with i18n, l10n, and accessibility
support.
 Preferred AWS certified architect and hands on AWS related technologies
 Proven track record of troubleshooting and fixing performance, scalability, and reliability issues (memory
issues, multi-threading, CPU spikes, virtualization, etc.) in Linux/Unix or Windows environment.
 Experience with troubleshooting and fixing database performance issues, and SQL tuning.
 Experience and knowledge of secure coding best practices (such as OWASP).
 Knowledge on BI tools and ETL.
 Strong verbal and written communication skills.
 Flexibility and ability to work in a fast-paced, rapidly growing environment.
 Ability to work with globally distributed and multi-cultural teams.
 Develop good development practices to ensure high quality deliverable.
 Coach and develop development team members to ensure continuous improvement.
 Monitor and assist developers in following established software development processes, policies, best
practices and expectations around coding and testing standards.
 Take a hands-on approach in day-to-day development activities of team members including planning of
regular progress update meetings, design and code reviews and project reporting for team members.
Education
 Bachelor degree in informatics, life-sciences or equivalent work experience is required.
Indicate below any additional preferred requirements if applicable (optional):
 Masters of Science (MS) degree in relevant area of study is preferred.
 Experience in testing business intelligence/analytics applications or software for multi-tenant enterprise
SaaS applications is a big plus
 Experience with UI/UX testing, and testing products for accessibility
 Having certification in CSM or ISTQB or equivalent.
 Experience in testing business intelligence/analytics applications or software for multi-tenant enterprise
SaaS applications is a big plus
 Scripting experience with bash or python or shell scripting. Must feel comfortable writing automation
scripts

We need a strong Ruby on Rails developer who has as strong understanding of Rest API's and also a experience on Node.js is plus point. Database understanding and AWS deployment is a must.