Kafka developer (Kafka, KSQL + DB2)

Job Summary:

We are seeking passionate Developers with experience in Microservices architecture to join our team in Noida. The ideal candidate should have hands-on expertise in Java, Spring Boot, Hibernate, and front-end technologies like Angular, JavaScript, and Bootstrap. You will be responsible for developing enterprise-grade software applications that enhance patient safety worldwide.

Key Responsibilities:

• Develop and maintain applications using Microservices architecture.
• Work with modern technologies like Java, Spring Boot, Hibernate, Angular, Kafka, Redis, and Hazelcast.
• Utilize AWS, Git, Nginx, Tomcat, Oracle, Jira, Confluence, and Jenkins for development and deployment.
• Collaborate with cross-functional teams to design and build scalable enterprise applications.
• Develop intuitive UI/UX components using Bootstrap, jQuery, and JavaScript.
• Ensure high-performance, scalable, and secure applications for Fortune 100 pharmaceutical companies.
• Participate in Agile development, managing changing priorities effectively.
• Conduct code reviews, troubleshoot issues, and optimize application performance.

Required Skills & Qualifications:

• 5+ years of hands-on experience in Java 7/8, Spring Boot, and Hibernate.
• Strong knowledge of OOP concepts and Design Patterns.
• Experience working with relational databases (Oracle/MySQL).
• Proficiency in Bootstrap, JavaScript, jQuery, HTML, and Angular.
• Hands-on experience in Microservices-based application development.
• Strong problem-solving, debugging, and analytical skills.
• Excellent communication and collaboration abilities.
• Ability to adapt to new technologies and manage multiple priorities.
• Experience in developing high-quality web applications.

Good to Have:

• Exposure to Kafka, Redis, and Hazelcast.
• Experience working with cloud-based solutions (AWS preferred).
• Familiarity with DevOps tools like Jenkins, Docker, and Kubernetes.

• 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
  

Job Description: Full Stack Developer Company: Arroz Technology Private Limited CTC: 5 LPA

Location : Bangalore (Onsite)

Responsibilities:

- Design and develop scalable and high-performance web applications using the

MERN (MongoDB, Express.js, React.js, Node.js) stack.

- Collaborate with cross-functional teams to gather requirements and translate them into high-level designs.

- Write clean, reusable, and well-structured code following industry best practices and coding standards.

- Mentor and guide junior developers, providing technical expertise and promoting Professional growth.

- Conduct code reviews and provide constructive feedback to ensure code quality and adherence to standards.

- Collaborate with frontend and backend developers to integrate components and ensure smooth data flow.

- Work with UI/UX designers to implement responsive and user-friendly interfaces.

- Stay updated with the latest trends and advancements in full-stack development technologies.

- Work in a 10 AM to 6 PM, six-day office role, maintaining regular attendance and punctuality.

Required Skills and Qualifications:

-Strong proficiency in MERN (MongoDB, Express.js, React.js, Node.js) stack development.

-Experience with Redux or similar state management libraries.

-Solid understanding of front-end technologies such as HTML, CSS, and JavaScript.

-Proficiency in RESTful API development and integration.

-Familiarity with version control systems like Git and agile development methodologies.

-Good problem-solving and debugging skills.

-Excellent communication and teamwork abilities.

-Bachelor's degree in Computer Science or a related field (preferred).

Join Arroz Technology Private Limited as a Full Stack Developer and contribute to the development of cutting-edge web applications. This role offers competitive compensation and growth opportunities within a dynamic work environment. 

Job Description:

Responsibilities:

·      Participate in the entire application lifecycle, focusing on coding and debugging

·      Ability to design and document the product features, codes.

·      Self-driven and ability to take up ownership of things

·      Write clean code to develop functional applications, automation scripts, test cases

·      Troubleshoot and debug applications

·      Collaborate with developers, cross-functional teams to identify issue, new features and come up with solutions

·      Gather and address technical and design requirements

·      Provide training and support to internal teams

·      Build reusable code and libraries for future use

·      Ability to sync with other developers, designers to identify issues, new features and improvements

Requirements and skills:

·      Solid understanding of linux development environment and systems

·      Expert level knowledge of Python along with frameworks like Django, flask

·      Proficient in writing unit test cases using Pytest framework.

·      Expert level knowledge of SQL databases like MySQL and PostgreSQL

·      Good knowledge of design principles and databases

·      Knowledge of front technologies like Typescript, ReactJs

·      Knowledge of Caching techniques using Memcached and Redis

·      Experience of using queueing service line Kafka

·      Solid understanding of microservices architecture

·      Knowledge of AWS cloud services

·      Expert in serverless technologies like lambda along with API gateway

·      Knowledge of Git, Jira, CI/CD pipelines and containerization like docker

·      Knowledge of logging and monitoring tools like Grafana or Newrelic

Job Responsibilities

·        Responsibilities for this position include but are not limited to, the following.

·        Development experience 3-6 years

·        Experience working with Azure cloud-hosted web applications and technologies.

·        Design and develop back-end microservices and REST APIs for connected devices, web applications, and mobile applications.

·        Stay up to date on relevant technologies, plug into user groups, and understand trends and opportunities that ensure we are using the best techniques and tools.

• Meeting with the software development team to define the scope and scale of software projects.
• Designing software system architecture.
• Completing data structures and design patterns.
• Designing and implementing scalable web services, applications, and APIs.
• Developing and maintaining internal software tools.
• Writing low-level and high-level code.
• Troubleshooting and bug fixing.
• Identifying bottlenecks and improving software efficiency.
• Collaborating with the design team on developing micro-services.
• Writing technical documents.
• Be an active professional in continuous learning resulting in enhancement in organizational objectives.
• Provide technical support to all internal teams and customers as it relates to the product.

Requirements:

• Bachelor’s degree in computer engineering or computer science.
• Previous experience as a full stack engineer and IoT Products.
• Advanced knowledge of front-end languages including HTML5, CSS, JavaScript, Angular, React.
• Proficient in back-end languages including Nodejs and basic knowledge of Java, C#.
• Experience with cloud computing APIs and Cloud Providers such as Azure or AWS.

·        Working knowledge of database systems (Cassandra, CosmosDB, Redis, PostgreSQL)

·        Messaging systems (RabbitMQ, MQTT, Kafka)

·        Cloud-based distributed application scaling & data processing in the cloud

·        Agile / Scrum methodology

• Advanced troubleshooting skills.
• Familiarity with JavaScript frameworks.
• Good communication skills.

High-level project management skills.

• Someone’s traveling to airport/office/home - can we suggest them public transport routes with first mile & last mile and accurate tracking of the individual leg of the journey
• Someone’s new in the city - can we help them travel from A to B in the most efficient way
• Someone’s planning to not use their private vehicle for the commute - can we design an efficient and reliable system to plan their commute with accurate information of public and private transport
• Transition people from private to hybrid multimodal commute
• Someone's traveling home late at night - can we give their friends, family peace of mind?
• Build a single mobile ticket for the entire journey

What you’ll do

• Build the backend and deploy systems powering the app
• Improve routing across 10+ cities for everything from walking to trains to electric scooters to metro to bus to auto to bike
• Integrate new private transport companies and new ways of getting about our cities
• Develop smarter ways of integrating the payment systems with the app
• Extract, process and crunch together departure times, travel habits, and pricing information and suggest reliable results to users
• Create experiences that delight your friends, family, and millions of new commuters when they come and visit your city
• Design and build systems that scale on demand and are secure
• Deploy and support your code on AWS
• Best practices: code reviews, tests, CI
• Teach us how to be better our Stack (Required) Java (Spring Boot), Postgres, MongoDB, ReactJs, Golang Microservice Nginx, API Gateway, Load Balancer, Kafka, Redis, Websockets, Docker, Kubernetes, Git, AWS - EC2, RDS, s3, lambda Optional Nodejs(Express)

1. Full Stack developer (Java/JavaScript): (experience 3 to 6 years) 

• Experience in designing multithreaded/concurrent/distributed systems.
• Experience in Java/Kotlin or JavaScript is required (3+ years).
• Experience in working on scalable non-blocking server side frameworks like Spring stack(2+ years)
• Experience with both SQL and NoSQL databases, Message brokers. ex: Postgres/MySQL, MongoDB/DynamoDB/Redis/Neo4j, Kafka (2 +years)
• Experience in Front end language and frameworks. JavaScript, must be an expert in one of the front end frameworks (ex: React) (2+)
• Understand cloud technologies and should have deployed applications or products in popular cloud platforms like AWS, GCP, MS Azure, etc (2+ years).

Optional:

• Experience with BigData is a big plus
• Knowledge of functional programming principles is a plus.

• Experience in HTML5 and CSS3