Java Developer

Job Description:

- Experience with Java 4 to 8 years, Spring Boot, Microservices, Angular, Docker, and Kubernetes

Knowledge of multi-threading concepts, TCPIP, databases, and REST-based JSON APIs

- Experience with build and deployment tools: Maven, Git, JUnit

- Experience building and working with DevOps Toolchains (Github actions, Jenkins)

Experience with responsive UI development

Demonstrates great communication skills and initiative to solve problems and convey solutions to peers and product owners.

Experience with the scrum process

Experience with event-driven architecture.

Knowledge of UI testing and continuous integration

Working knowledge of TDD TDD mindset

- Pair Programming experience

Functional knowledge of the Accounts Payable domain is an added advantage.

• Design, implementation, and deployment of successful LOS/LMS system features and services in support of our lending operations and the businesses they support
• Resolve bugs in the software features and deliver them on time with high quality
• Participate in the definition of secure, scalable, and low-latency services and efficient physical processes
• Work with cross-functional teams delivering on demanding projects
• Functionally decompose complex problems into simple, straight-forward solutions
• Understand system inter-dependencies and limitations

• Proficiency in Java, with a good understanding of its ecosystems
• 2+ Yrs experience in microservices
• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts
• Familiarity with different design and architectural patterns
• Skill for writing reusable Java libraries
• Know how of Java concurrency patterns
• Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
• Experience in working with popular web application frameworks like Play and Spark
• Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
• Ability to write clean, readable Java code
• Experience in handling external and embedded databases
• Understanding basic design principles behind a scalable application
• Skilled at creating database schemas that characterize and support business processes
• Basic knowledge of JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
• Implementing automated testing platforms and unit tests
• In-depth knowledge of code versioning tools, for instance, Git
• Understanding of building tools like Ant, Maven, Gradle, etc
• Expertise in continuous integration
• Other required skills of a java developer include the basic knowledge of:
• JavaServer pages (JSP) and servlets
• Web frameworks like Struts and Spring
• Service-oriented architecture
• Web Technologies like HTML, JavaScript, CSS, JQuery
• Markup Languages such as XML, JSON
• Abstract classes and interfaces
• Constructors, lists, maps, sets
• File IO and serialization
• Exceptions
• Generics
• Java Keywords like static, volatile, synchronized, transient, etc
• Multi-threading and Synchronization

• 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
  

• Ability to code and implement front-end web applications and backend processing systems.
• Research, evaluate, and prototype new methodologies, technologies, Prepare proofs-of-concept.
• Convert business requirements into technical documentation using UML diagrams.
• Accountable for peer review, and quality using various design principles and patterns.
• Responsible for team members learning.
• Enforce to follow Secure Coding guidelines.
• Provide clear communication and set expectations to team members.
• Assist Project Manager in defining and refining project scope and work.
• Foreseeing the project risk and define mitigation plan and keep the manager updated.

Skills Required:

• Multi-tier Web Services / RESTful APIs
• C++, Java, C#, .Net
• Web API Frameworks (spring, ASP .NET Core, ExpressJS, etc.)
• Frontend Javascript Frameworks (Angular, React, etc.)
• Understanding and usage of the unit testing framework. Like NUnit, x unit, and JUnit
• Knowledge of SQL and writing queries
• Agile and DevOps methodologies
• Effective communication, Teamwork, Team Handling, Adaptability, Flexibility, Leadership, Problem-solving, Work Ethics, and Creativity.
• Well-versed with the version control systems. Like git, gitlab, bitbucket etc. 
• Good to have knowledge of Microservices architecture.

Education Required:

• Candidates with Bachelor's Degree in Computer Science (or equivalent) are preferred.

B.E. (Computers) or equivalent candidate is required for this profile along with expertise In Java/ PHP Programming. We are looking for a thoughtful Java/ PHP Developer. Must have strong fundamentals. You will be joining the core team of a rapidly expanding company focusing on making Google Workspace- Cloud Telephony products. We are generally agnostic of language, technology or tools; we use whatever fits the bill best. However, we emphasize a lot on clean abstractions of code, loosely coupled services and good coding practices. You must possess the ability to work on projects without detailed instructions; being a self-starter and taking ownership is a crucial requirement for this role. Good Communication Skill is essential.

Responsibilities:

• Design and build applications on Java/ PHP
• Code review 
• Guide team members 
• Keeping the code optimized and readable.
• Coordination with team members and customer
• Coding, Bug fixes and unit testing
• Coordination with team members and customer

Who Should apply 

1. Candidate should have  2-4 year of work experience  
2. PHP/ Java Developer
3. Having Good Communication Skills

Specific Skill Sets:

• We are looking for a candidate who can work flexibly
• Experience in working on any one of the MVC architectural pattern : Codeigniter / Laravel / Yii/ Struts 2 would be an added advantage 
• Know your way around HTML, HTML5, CSS, CSS3, PHPScript, JQuery and frontend frameworks (such as Ember.js, React.js)
• Must have built SOAP / REST APIs / backends
• Knowledge of APIs and platform capabilities
• Past experience of shipping mobile products (live apps in Play Store a huge plus).
• Expertise in working on multi­threaded apps, XML & JSON, and web services. 
• Should be very strong in Computer Science fundamentals (such as threads, virtual memory, process stacks etc.)
• Should have worked on different data stores (RDBMS, No-SQL) and know when to use what, how to scale them etc.
• Ability to work on projects without detailed instructions; being a self­starter and taking ownership is a crucial requirement for this role.
• Good communication skills is an essential advantage for collaborating with customers and the team.