Java Developer

Java Developer – Job Description  

Wissen Technology is now hiring 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 consultancy.  

Required Skills:  

• Exp. - 2 to 7 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.  

 About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.  

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.  

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.  

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.  

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Senior Software Engineer 

TBO–(www.tbo.com)    

TBO is a global platform that aims to simplify all buying and selling travel needs of travel partners across the world. The proprietary technology platform aims to simplify the demands of the complex world of global travel by seamlessly connecting the highly distributed travel buyers and travel suppliers at scale.

The TBO journey began in 2006 with a simple goal – to address the evolving needs of travel buyers and suppliers, and what started off as a single product air ticketing company, has today become the leading B2A (Business to Agents) travel portal across the Americas, UK & Europe, Africa, Middle East, India, and Asia Pacific.

Today, TBO’s product range from air, hotels, rail, holiday packages, car rentals, transfers, sightseeing, cruise, and cargo. Apart from these products, our proprietary platform relies heavily on AI/ML to offer unique listings and products, meeting specific requirements put forth by customers, thus increasing conversions.

TBO’s approach has always been technology-first and we continue to invest on new innovations and new offerings to make travel easy and simple. TBO’s travel APIs are serving large travel ecosystems across the world while the modular architecture of the platform enables new travel products while expanding across new geographies.

Why TBO:

•      You will influence & contribute to “Building World Largest Technology Led Travel Distribution Network” for a $ 9 Trillion global travel business market.

•      We are the emerging leaders in technology led end-to-end travel management, in the B2B space. 

•      Physical Presence in 47 countries with business in 110 countries.

•      We are reputed for our-long lasting trusted relationships. We stand by our eco system of suppliers and buyers to service the end customer. 

•      An open & informal start-up environment which cares.

What TBO offers to a Life Traveller in You:

•      Enhance Your Leadership Acumen. Join the journey to create global scale and ‘World Best’.

•      Challenge Yourself to do something path breaking. Be Empowered. The only thing to stop you will be your imagination.

•      Post pandemic: travel space is likely to see significant growth. Witness and shape this space. It will be one exciting journey.

•      As a fastest growing B2B platform our priority is purpose-building scalable systems. 

•      Adopting industry leading technologies to support best-in-class business capabilities for high performing and scalable solutions.

•      Fast response to the evolving regulatory environment and helping to meet the firm's regulatory commitments by addressing internal and external commitments.

Top Sights During Your Role Stay (Key Expectations):

·        More than 3 years of Prior experience as Backend Developer in any SAAS product .

·        Exposure to languages/ framworks like GoLang/Java/Node /Python / RUST will be preferred.Capacity to use SQL server with ease. Exposure to Redis / MongoDB/ PostgreSQL is desired.

·        Should have worked with cloud platforms like AWS / Azure.

·        A flair for creating well-presented software that is technically sound.

·        Outstanding analytical, problem-solving, and communication skills.

·        Excellent organizational and time management skills.

·        Self-driven, flexible, and innovative.

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: 2+ 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

Job description

JD - Java Developer (Backend Developer)

Technical Requirement:

• At least 5 years of experience in Java, J2EE technologies.
• Expertise in doing development using Java, Spring Boot, Spring modules (Spring Security, Spring MVC, Spring Data JPA, etc.), Hibernate, Web Services
• Worked on REST web services.
• Worked on application server : Tomcat
• Worked on Eclipse IDE
• Knowledge of Swagger, Postman
• Worked on Database like MySQL
• Worked on Git, Maven, CI/CD pipelines
• Good to have knowledge of using Docker and Mongo DB

Overall Roles & responsibilities:

• Consult with client team to understand business requirements and with solution architects / team lead to understand the application architecture.
• Develop/code applications following specifications using the appropriate tools and adhering to the standard coding standards.
• Coordinate unit testing, integration testing and bug fixing with the development and quality assurance team.
• Plan for defect fixes as per priority and severity mentioned by QA team.
• J Attend daily scrum meeting with entire team and client.

Who are we and what do we do?

The Dice platform, one of the most advanced SaaS fintech organizations, helps businesses convert their spending from many fragmented applications, prepaid cards, offline reimbursement/invoice management, procurement, and payment systems to a single spend platform. There will be no more cash, cards, refunds, or offline invoicing since our entire goal is to provide businesses more knowledge and control over how they spend their money, resulting in significant cost savings and profitability. We are a hyper growth startup collaborating with premium Indian enterprises, startups, and industry leaders across disciplines.

Perks in store for you when you join the team:

• You'll be surrounded by passionate team members.
• Your work will have a visible impact.
• You will be working on interesting technical challenges in a fast-paced environment.

Requirements and skills:

• Hands-on Software Development experience.
• 2-4 years of relevant 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 Java EE (Multithreading, Reactive Programming, etc)
• Excellent knowledge of Relational Databases, SQL, and ORM technologies (MySQL, EBean)
• Excellent knowledge in RESTful API development, event-based processing.
• Experience with test-driven development.
• Knowledge of GIT, Linux, Docker, Redis

Responsibilities:

• Designing, implementing, and maintaining Java applications that are often high-volume and low-latency, required for mission-critical systems
• Delivering high availability and performance
• Contributing in all phases of the development lifecycle
• Writing well-designed, efficient, and testable code
• Conducting software analysis, programming, testing, and debugging
• Managing Java and Java EE application development
• Ensuring designs comply with specifications
• Preparing and producing releases of software components
• Transforming requirements into stipulations
• Support continuous improvement
• Investigating alternatives and technologies

Location:

Pune

• 5+ years of software development experience in Java 8+ and Microservices.
• Experience in developing micro services. Experience in developing High Cohesion & Loosely Coupled Micro Services.
• Experienced in skills of requirement, analysis, design, develop, Java, springboot, microservices, rest api, AWS, lambda, EC2, Jenkins, design pattern, spring security, splunk, auth, docker, SOLID
• Hands on experience on Microservices Architecture.
• Should have excellent acumen in Data Structures, algorithms, problem-solving and Logical/Analytical skills. Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
• Experience with Multithreading, Concurrent Package and Concurrent APIs
• Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
• Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
• Hands-on experience with Message Broker like Kafka/Rabbitmq or other. Hands-on experience in creating RESTful webservices and consuming web services. Hands-on experience with spring Cloud/Spring Boot.
• Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
• Experience of writing Junit test cases using Mockito / Powermock frameworks. Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
• Hands on experience on Cloud deployment/development like AWS/Azure/GCP.
• Good communication skills and ability to work with global teams to define and deliver on projects. Sound understanding/experience in software development process, test-driven development.

• Gender Neutral /Diversified Culture
• 51 Leaves annually
• Insurance covered for family
• Incentives, Bonus
• Permanent WFH Option
• Generous parental leave and new parent transition program
• Flexible work arrangements

Responsibilities:

• Develop back-end server that includes business logic linked to various data storage solutions including database.
• Design back-end server system by using technology appropriate for server environment.
• Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly scalable, available, maintainable.

Requirements:

• Excellent Programming Skills.
• Strong problem-solving abilities.
• Analytical skills, and troubleshooting.
• Good understanding of algorithms, data structures, and performance optimization methods.
• Hands-on with Design, Coding, Debugging, and Testing.
• Excellent Communication & Interpersonal Skills, Team Player.

Programming Skills:

• C, C++, and/ Java Jquery, Spring, Struts. Hibernate, iBatis, Node.js Web Services, Web Security, MySQL.
• Memcache/Redis, Cassandra/HBase, MongoDB/CouchDBMap Reduce, Hadoop, Spark, Hive, Mahout.
• Fast Data Processing - Storm - Rules Engine - Drools.