Java Developer

JOB DESCRIPTION

Experience: 5+ years

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 5+ years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Company Name – Client Freshworks,Location : Perungudi Chennai (Hybrid)

• Strong written/verbal communication skills

• 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.

Technical Overview:

● You will be expected to design, develop and maintain large-scale complex backend web applications.

● You will be expected to rapidly learn and apply relevant new technologies.

● You will be having a high level of interaction with business and product stakeholders.

● You will be working on the entire web application stack, which includes:

      o Web server hosting

      o RESTful communication

      o Message brokering

      o Backend application layer, which includes the service and domain layers

     o Data layer for persistence or caching

● You will be participating in an agile software development cycle, which includes:

     o Design

     o Development

     o Code Review

     o Unit and Integration Testing

     o Release

● As a Staff Engineer, you will be expected to contribute to design, code review, refactoring, and project management.

● You will be exposed to the following technologies:

     o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS Lambda

     o Languages: Ruby, Java, Kotlin, Javascript, Python

     o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift

     o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS

     o Server Management: Amazon ECS, Docker

Product Overview:

You will be contributing to products concerning both customers and partner drivers.

Product sectors include:

1) Growth: You’ll build tools to help boost user growth on the platform including our industry-best driver onboarding, training and certification system, referral system, and lead management models.

2) Lifecycle Management: Build tools to help users engage with the platform better, which include rewards and recognition modules, subscription services account management tools, partner and customer wallets and payout modules, and churn detection systems among others.

3) Transaction Experience: You’ll help deliver the most delightful booking experience to our customers and drivers. As part of this team, you’ll be responsible for our core booking system, pricing and payment

systems, location tracking and filtering services, fraud prevention systems, and in-app ticketing and support among others.

4) Fulfilment: As part of the fulfillment team, you’ll work on systems that ensure a high degree of ride fulfillment on the platform. Tools include allocation methodologies and systems, dynamic pricing, dynamic partner routing, and partner re-activation tools among others.

5) Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence. You’ll build tools for contract management, fleet management, fleet and route optimization tools, alerting and monitoring tools, and analytics suite among others.

About Client : Our client is an American company that develops, manufactures and sells solar micro-inverters, energy generation monitoring software and battery energy storage products

The Back-End engineer will develop, maintain, architect & expand cloud microservices. Codebase uses Java, Spring Boot, Mongo, REST APIs, MySQL. Applications are dockerized and hosted in AWS using plethora of AWS services.

Key Responsibilities and Outcomes

• Programming in Java + Spring Boot
• REST API with JSON, XML etc. for data transfer
• Multiple database proficiency including SQL and NoSQL (Cassandra, MongoDB)
• Ability to develop both internal facing and external facing APIs using JWT and OAuth2.0
• Familiar with HA/DR, scalability, performance, code optimizations
• Experience with working with highly performance and throughput systems
• Ability to define, track and deliver items to ones own schedule
• Good organizational skills and the ability to work on more than one project at a time
• Exceptional attention to detail and good communication skills

Minimum Qualifications

• B.E/B.Tech in Computer Science from top tier college and >70% marks
• 70% or 7 CGPA throughout in education.
• Top 100 Engineering colleges only (NIRF ranking)
• Stability in job.
• Experience with SQL + NoSQL (Preferably MongoDB)
• Experience with Amazon Web Services, JIRA, Confluence, GIT, Bitbucket
• Ability to work independently and as part of a project team
• Strong organizational skills, proactive, and accountable.
• Excellent critical thinking and analytical problem-solving skills
• Ability to establish priorities and proceed with objectives without supervision
• Ability to communicate effectively and accurately
• Clear concise written project status update throughout the project lifecycle
• Highly skilled at facilitating and documenting requirements

Job Description

Who are we looking for?

A senior level Java-J2EEE lead to manage a critical project for one of the biggest clients in banking domain. The Individual should be passionate about technology, experienced in developing and managing cutting edge technology applications.
We are looking for people from the trading background

Technical Skills: 

• An excellent tech Lead or application architect with strong experience in monolithic Java legacy applications, modern cloud-native

• Strong hands-on experience in Spring, Core Java specifically on multi-threading, concurrency, memory management process, and fair understanding on network communication & protocols. 

• experience working in software development on low-latency and high performing systems

• Experienced to guide & mentor the offshore team members, validating application deliverables on regular basis

• Ability to work in a collaborative manner with peers across different time zones. 

• Passionate about good design and code quality and have strong engineering practices

• Experience working on GCP will be preferred. 

Process Skills: 

• Experience in analyzing requirements and develop software as per project defined software process
• Develop and review design, code
• Develop and document architecture framework, technical standards, and application roadmap
• Guide development teams to comply with the architecture and development standards and ensure quality application is designed, developed, and delivered
• Must   have excellent communication skills.

Behavioral Skills:

• Resolve technical issues of projects and Explore alternate designs
• Effectively collaborates and communicates with the stakeholders and ensure client satisfaction
• Mentor, Train and coach members of project groups to ensure effective knowledge management activity.

Certification:

• Ultimate sun Java and GCP Certified 

Job Summary

Require a java developer having 2+ years of experience especially in Spring and Hibernate

Job Type: Full-time
Responsibilities and Duties
Java developer responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- 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
Key Skills
JEE, JPA2 , Hibernate
Required Experience and Qualifications
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 in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience with test-driven development
Job Type: Full-time