Full Stack Developer

Essential Responsibilities:

• Demonstrate an understanding of the Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
• Work closely with your peers and keep engaging in a fast pace technical design and development team
• Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
• Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
• Maintain code quality through best practices, unit testing and code quality automation
• Demonstrate the ability to make informed technology choices after due diligence and impact assessment
• Help in designing interfaces and information exchange between modules
• Articulate the need for scalability and understand the importance of improving quality through testing.
• Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
• Drive design reviews, define interfaces between code modules, and apply existing technology to designs
• Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Qualifications/Requirements:

• Minimum Bachelor's Degree in Computer Science, Computer Engineering or in "STEM" Majors (Science, Technology, Engineering, and Math)
• 6+ years of experience in Full Stack Software Development within the enterprise or software services domain

Desired Skills:

• Expertise in full stack software development and awareness of 12 Factor software patterns
• Experience and knowledge of patterns and anti-patterns of microservices-based architecture design
• Experience developing and deploying applications on cloud (Azure, AWS, or GCP), on-premise, and hybrid-based architectures
• Mid-Level to Expert within one or more of the following UI development JavaScript: Client-Side HTML5 jQuery, jQuery UI, Knockout.js,
• Polymer, AngularJS, ReactJS, Bootstrap
• Mid-Level to Expert within one or more of the back-end development languages: .NET, Java, Python, or Scala
• Very solid API skills (e.g. Express.js/Node.js, GraphQL/Relay, Flask, Jersey, Java Spring REST or WebApi2)
• Skilled in use of Java, Kafka, and Spark streaming technologies
• Experience with containerization technologies such as Rancher, Kubernetes, Docker and Helm
• Hands-on experience in data storage environments of many types (RDMS, NoSQL, HDFS, etc.)
• Knowledge of GitLab, Jenkins and Artifactory
• Solid foundation in data structures, algorithms, and OO Design with rock-solid programming skills
• Security: Identity Management and Access, application security and static code analysis
• Proven success working in and promoting a rapidly changing, collaborative, and iterative product development environment
• Strong interpersonal skills, analytical skills, combined with intellectual curiosity, and a desire and ability to "get things done" are essential
• Agile Scrum development experience
• Added advantage to those having experience in multi-tenant SaaS Platform and Developers' Portal development

Our Tech stack:

· Java 11, Spring Boot, React.JS

· MySQL, Redis, Elastic Stack, MongoDB

· Docker, K8s

· GitHub, Jenkins

· Slack, Jira

What we're looking for:

· Minimum of 5 years of experience as a software developer.

· Excellent knowledge of Java.

· Demonstrated skills in web-based development, including REST API s and JS frameworks such as Vue JS/React.

· Experienced with cloud platforms (AWS / GCP).

· Experienced with SQL and NoSQL databases.

· Experienced with CI/CD environments.

· Familiar with container technologies (Docker, Kubernetes).

· Proficient in agile programming practices.

· Strong analytical mind with a good dose of creativity.

· Meticulous person who strives to constantly improve his/her/their competencies.

· Excellent communication skills.

Nice-to-haves:

· Familiarity with Web sockets.

· Has contributed to open source projects and can point us to his/her/their GitHub account.

We are looking for an IMMEDIATE JOINER - As Java Developer you will be responsible for creation and implementation of backend services (API / Microservice). 

Roles & Responsibilities:

1. Designing and developing performant REST APIs, Microservices.
2. Data Model design.
3. Participating in requirements analysis.
4. Writing clean, scalable code and   Implementing unit tests.
5. Participating in peer code reviews.
6. Optimizing the overall performance of Application.
7. Strong focus on data governance and security.
8. Be a strong Agile team member.

Skills:

1. Conceptually strong in Design Patterns and OOP
2. Hands on with technologies like Spring Boot, Java Web services/APIs (SOAP, REST, JSON, Maven, Gradle, jUnit)
3. Working knowledge with AWS is a must. 
4. Excellent understanding of data structures, threading.
5. Working knowledge with any of the Unit Test Frameworks such as jUnit.
6. Good problem-solving skills. Attention to details.
7. Should be a quick learner and keen on learning new technologies.
8. Strong in debugging, troubleshooting and performance tuning for SQL queries
9. Proficient in RDBMS (MySQL, Mssql) and NoSQL databases (mongo, HBase)
10. Excellent oral and written communication skills.

Additional Skills (Optional):

1. Exposure to Node.js / python 
2. Exposure to Lambda functions.
3. Exposure to AWS Data Storage.
4. Knowledgeable on TDD.

Qualifications & Experience:

1. BE/B.Tech, ME/MTech. 7+ years of Java development experience, including Spring, Spring Boot

• 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
  

gingerCube Inc., based in Dallas, USA, provides a software platform to interface with hospitals, physician groups, resident programs, and billing services, improving revenue cycle and reducing time to bill by up to 85%. Our flagship product, maxRVU has been adopted by physician groups, hospitals and revenue cycle companies across the US. Over the past 6 years, we have developed a solid brand and continue to grow swiftly with top healthcare systems.

To meet rapid expansion, we are looking to hire a full-time Lead Engineer to join our growing team in Mumbai to build our products using Ruby on Rails. As our Lead Engineer, you will be responsible for creating innovative solutions to technical problems and deliver a top-notch user-experience to our enterprise customers. You must be highly motivated, lead by example and have a knack for designing optimized solutions.

You will report to the Director of Product Delivery and work at our office at a fun and open co-working space. Our startup-like environment means nothing holds you back from doing your best and chart your own growth path. You'll be able to see the impact of your work immediately, experience various aspects of the business, and hear from clients how your efforts benefit them directly.

Requirements:

• Bachelor's degree in a related area and 4 to 6 years of experience in the field
• Full stack with Ruby on Rails, HTML, CSS, and JavaScript.
• Familiarity with ruby gems and Github.
• Expertise of diverse technology stacks
• An understanding of sound database design principles and performance optimization
• Experience integrating with REST API’s
• Skilled with debugging tools, test harnesses, and performance tuning
• Expert with multi-tenant systems, secure coding practices, and authentication/authorization
• Expert in Ruby with a distinguished track record of solving challenging and complex problems efficiently
• Excellent knowledge of standard concepts, practices, and procedures within a particular field
• Enable RoR web applications on Heroku with Postgres
• Ability to take ownership of work and respond to critical issues quickly and work with the team.
• Plus: Software security practices for patient records(HIPAA), PCI, etc. and exposure to the healthcare industry.

Requirements:

- Knowledge of digital ad tech ecosystem

- Minimum 3 years of experience working in a professional environment on full-stack development

- Proven expertise in creating and developing scalable enterprise or B2C web applications

- Experience in REST API development and MVC/MVVM development methodologies

- Deep understanding of the underlying architecture of web servers, load balancing, and browser nuances. Basically, a solid understanding of fundamentals - including execution models, asynchronous programming, object-oriented concepts, relational concepts, etc.

- Proficiency in one or more of Node.js/MEAN stack, Python, Java or other frameworks and willing to be flexible on stack as per the requirement of the project. Most of our current development is on the MEAN stack - expertise in the stack will be a definite plus

- Proficiency in one or more of databases such as MySQL, MongoDB, Cassandra or other equivalent databases and willing to be flexible as per the requirement of the project. Most of our current development is on MongoDB and MySQL - expertise in these will be a definite plus

- Good understanding of developer tools and devops such as Git, Ansible, cloud platforms such as AWS, Docker, etc.