Java Developers

• Hands-on expertise in managing technical teams and work closely with business stakeholders
• Should be familiar with card testing and POS ecosystem.
• Experience with designing APIs and building platform integrations in Commerce, POS, FinTech and Payments
• Payment’s domain experience.
• Extensive experience on Base24 & SWITCH part for payment format.
• Exposure on ISO8583 Messaging system.
• API understanding and creation.
• Working knowledge on cryptographic algorithms (RSA, EC, AES, SHA variants), TLS/SSL protocols. C Symetric and A symetrics, K.M.S.
• Digital Payments technical knowledge - QR/ POS/ UPI/ BQR
• Understanding of CI/CD pipelines, Kubernetes, containerization, Docker
• Must have strong technical skills in Android APK and iOS development Concept and Web services.
• Supportability, monitoring, ops in general.
• Accurate cost models to deploy and operate
• Extensive experience in TLOG’s, data integration with downstream applications, and impact of POS changes on different financial, legal, compliance, loss prevention, etc. applications.
• Extensive experience with payment systems 7861 (EMV, payment middleware, encryption, tokenization, settlement, offline scenarios,).
• Extensive experience with different types of payment methods including credit, debit, gift cards (Both closed loop and open loop), PLCC, PayPal, AliPay, checks, etc. as well as different payment form factors like Tap N Go, contactless, swipe, EMV, Mobile, etc.
• Extensive experience with payment devices (pin pads, printers, registers, scanners).
• Experience in Node.js / Java / Python, building REST APIs, with experience/exposure to front end stack like JavaScript & React / Angular. 
• Experience with Storage systems - RDBMS, NoSQL (Cassandra/MongoDB), Redis/Memcache/Aerospike.
• Experience in messaging tools like Kafka/AWS Kinesis etc...
• Design expertise for performance, scalability, fault tolerance and high availability

• Experience with POS systems and Payments domain.
• Demonstrated experience for systems architecture, design, and integration for POS systems
• Java and/or Node.js. Experience building micro services (REST APIs) using Node.js
• Experience with one or more RDBMS databases like MySql, PostGreSQL
• Experience with one or more NoSQL databses like MongoDB, Cassandra, DynamoDB, Aerospike, Elastic Search, Redis, neo4j etc.,
• Caching technologies like: Redis, Elasticache,
• Cloud Providers like: AWS/ Google Cloud / Azure
• CI / CD : Jenkins, Docker, Kubernete
  

About the job

Whirldata Inc. is an AI/Data Sciences/App Dev company established in 2017 to provide management and technology consulting services to small and medium enterprises across the globe. We are headquartered in California and our team works out of Chennai. The specific focus is on

1. Helping clients identify areas where Data Sciences and AI-based approaches can increase revenues, decrease costs or enhance customer engagement experience
2. Help clients translate business needs into process flows for exploratory and cutting-edge applications
3. Provide appropriate and targeted solutions that can achieve the planned objective

Whirldatas management team consists of individuals with a combined 45+ years of management and technology consulting experience, spanning multiple verticals such as finance, energy, retail, manufacturing and supply chain/logistics. Please look up our website and go through the blogs/videos/articles to find out more about us.

Working Philosophy

Whirldata works on the principle that, larger business goals come first and any technology-intensive solutions need to support necessary business goals. Hence all engagements start as a management consulting exercise and solution building follows after a thorough understanding of business needs.At Whirldata, we put our minds together, mix technology, art & math to deliver a viable, scalable and affordable business solution. We are passionate about what we do because we know that our work has the power to improve businesses. You can join our team working at the forefront of new technology, solving the challenges that impact both the front-end and back-end architectures, and ultimately, delivering amazing global user experiences.

Who we are looking for:

Full Stack Engineer (Position based in Chennai)

The following criteria are mandatory requirements and we strongly encourage that you apply only if you meet all these criteria:

1. Minimum 3 years of work experience

2. Proven capability to understand clients business needs

3. At least one demonstrable stint of architecting a database from scratch

4. Multiple programming language capabilities a must. In-depth knowledge of at least one programming language

5. Willingness to wear multiple hats depending on our business needs will be a priority

6. At least 2 years of hands-on experience in front-end development

7. Knowledge of current tools, platforms and languages an absolute must

8. Hands-on experience in cloud technologies and project management capabilities will be considered favourably

What do you get in return

• AI, Data Sciences and App dev require individuals who are both business and tech-savvy. We will turn you into one and make you a rockstar!
• You will get to work in an environment where your effort helps the customer and you will get to see it
• We will provide on-the-job training that will make you a doer and not a talker on data sciences, AI and app dev
• Opportunities to shine and pave your own way forward. We are good at identifying your talents and providing a platform where you will get immense satisfaction from demonstrating the same.
• Of course - we will pay you well too!

If you are interested - please apply with a small note with your thoughts on why you find this opportunity exciting and why you are willing to consider a move.

Experience : 10+ years

Description: ​

As a Full-stack Java Developer, your main tasks will be to:​
​

•  Participate in the full development lifecycle including design, estimation, planning, development, unit test, release and implementation support​
•  Work with the Business Analyst and Solution Architects to understand the business requirements ​
•  Translate them to technical solutions in the application​
•  Write technical specifications and ensure proper traceability with detailed specifications & v-code​
•  Create and implement good practice of coding, testing and deploying​
•  Assure code review​
• Experience in architecture design will be a plus (N Tiers, Serverless...)​
•  Experience in Micro services is mandatory​
•  Experience with containerization tools (ex: Docker) and migration will be a plus.​

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Your Profile:​

• Bachelor’s Degree or equivalent discipline​
• 5-10 years of overall experience in professional software engineering​
• Angular 4, HTML5, CSS2/3, Jquery, Bootstrap, Testing Jasmine or other tools Experience required​
• Hard core hands-on experience with various Java / web technologies and frameworks: Spring (Core, Security, MVC), Hibernate, JPA, REST, JMS, Maven; etc.​
• Have a very good knowledge about design patterns and development principles SDLC.. ​
• Proven/previous experience with CI/CD & Agile ​
• Strong critical thinker with problem solving aptitude​
• Excellent written and oral communication skills​
• Track record on GIT usage​
• TDD, BDD​
• Other desirable exp: Node js, MongoDB, SoIR, Elastic search, contributing to open source projects. ​

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Employment Type: Permanent​

Location: APAC

About Company:

VISEO is a global technology company with HQ located in France. The Singapore office serves as VISEO Asia Pacific Japan (APJ) headquarters, with additional offices in China, Hong Kong, Philippines, Indonesia, and Australia, to address projects in other regions like Thailand, Malaysia, Korea, Japan, and India. VISEO uses technology as a powerful lever of transformation and innovation to help its clients take advantage of digital opportunities, address new uses and compete with new players who change the rules of the game. ​With more than 2,500 employees globally, our worldwide presence best meets clients' needs through supporting global roll-outs. If you are interested in joining us, VISEO ensures the development of your skills by having regular exchanges with peers, coaching by a technical mentor, and official certification with our partners, such as but not limited to: SAP, Salesforce.com and Commerce Cloud, Docker, Azure, AWS, Anaplan, Cegid etc. In addition, you will have fun while challenging yourself, participating in agile projects, external events and conferences, and internal technical communities, which will contribute to your career growth!

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• Sound knowledge of Flutter framework & DART language
• Experience with Material Design and UI design principles, patterns, and best practices
• Architecture, design and development of distributed web based solutions based on J2EE architecture (Spring boot, Hibernate/JPA, REST) or PHP Laravel framework
• Proficient with Data Modelling, Object Oriented Design
• RDBMS and NoSql database (MongoDB)
• Experience in event driven & Microservices architecture
• Exposure to Agile, behaviour driven development, TDD , CI/CD
• Be self-driven and take ownership of deliverables end to end
• Working knowledge of HTML/ CSS

• Looking for 0-30 Days and Notice Period Serving resources (Across the Globe)
• 4-13 years developing n-tier modern software applications in a highly transparent agile organization with iterations, continuous integration, and a drive for quality
• At least 4 years of experience in software development building Web Services in Java, SpringBoot, Elasticsearch, and Open source technologies
• At least 4 years UI programming experience with JavaScript, CSS, JSON
• At least 3 years using ReactJS or VueJS, jQuery and Bootstrap, or similar frameworks
• Experienced in service layer integration (e.g. data, authentication, 3rd party systems) using Ajax and REST APIs.
• Experienced in UI and backend unit testing, functional testing, and performance testing tools.
• Must have experience building responsive web applications and related best practices.
• Experience in building Micro Services using cloud native environments like Azure, Spring Cloud, AWS or GCP with sound understanding of Micro Services Design Patterns
• Strong interpersonal, written communication, and presentation skills
• Experience with real-time streaming processing (Kafka/Storm) is preferred
• Proven ability to design and implement web services in a RESTful manner, along with understanding our broader service-oriented architectures
• Proven ability to work within a cross functional agile team
• Must be a self-starter and able to work well with others in a fast-paced agile environment with an emphasis on collaborating and assisting the team to meet business objectives
• Ability to use tools such as JIRA, Git, etc. preferred
• Experience with containerized environments such as PCF, Docker, etc. is highly desirable

Java, JEE, RESTful web service, Spring Boot/MVC, Hibernate,Angular/Angular js

• Has worked on Platform Modernization Project
• Troubleshoot and fix defects for planned releases and production issues
• Should have experience working in Development Project
• Should be result-oriented
• Should be able to work both independently and in teams
• Should have ability to multi-task and prioritize across multiple projects
• Should be flexible with work timings