Full Stack Developer

• 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 

Role : Java Developer 

Experience: 5+ years 

Work Location: Bangalore (Work From Office )

Requirements: 

Hands-on experience in Java/J2EE technologies in developing Web, Distributed Enterprise and Interoperable Applications. 

Expert level programming skills in Java OOPS concepts. 

Expertise in Spring boot ,Microservices 

Experience in using and developing RESTful APIs using JAX RS, Spring Rest using JSON and XML. 

Good to have Experience in developing SOAP API using JAX WS with (XML, XSD, DTD, WSDL). 

Good to have knowledge in Struts (Struts 1.0, JSP, JavaScript, jQuery, AJAX, Servlets) 

Prior hands-on experience & Knowledge in Docker & Kubernetes, Microservice Architecture (developing applications on cloud platforms) 

Good experience and understanding in Caching, Distributed/Scalable Architecture. 

Expertise in using GOF Design Patterns, Data Structures & Algorithms and reactive programming technologies 

Experience in Unit Testing Frameworks. 

Must have Degree in Computer Science or equivalent 

Experience with Product development companies will be preferred 

Experience in Gaming Domain using WebSockets in java will be preferred 

Strong verbal & written communication skills 

What are we looking for:

● Good problem solving skills.

● Strong knowledge of CS fundamentals, data structures.

● Experience working in software development with one or more of the following programming languages: Java, Go, Scala, Python, C/C++.

● Strong understanding of relational and non-relational databases (MySql, Postgresql, MongoDB, Cassandra).

● Experience in working with distributed caching (Memcached, Redis, or comparable technology).

Experience in working with distributed messaging technologies like RabbitMQ, Kafka etc.

● Ability to design and implement low latency RESTful services.

● Experience with microservices and web application/services development. 

We are seeking a highly skilled and experienced Senior Java Developer/Product Person to join our dynamic team. As a key member of our organization, you will be responsible for developing and delivering successful products in the healthcare industry. You will work on full end-to-end enterprise applications and leverage your expertise in Java development and AWS to drive innovation and create solutions that address our customers' needs.

Responsibilities:

• Collaborate with cross-functional teams to gather requirements, analyze business needs, and translate them into technical specifications.
• Design, develop, test, and deploy high-quality, scalable, and reliable Java applications.
• Take ownership of the product development lifecycle, from ideation to deployment and maintenance.
• Implement best practices for software development, code reviews, and documentation.
• Identify opportunities for improvement and propose innovative solutions to enhance product performance, functionality, and user experience.
• Stay up-to-date with industry trends, emerging technologies, and advancements in healthcare IT.
• Mentor and provide technical guidance to junior developers.

Requirements:

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Proven track record of delivering successful products in the healthcare industry.
• Strong proficiency in Java programming and hands-on experience with Java frameworks and libraries.
• Extensive knowledge and experience with full end-to-end enterprise application development.
• Solid understanding of software development principles, design patterns, and best practices.
• Proficiency in cloud technologies, particularly AWS (Amazon Web Services).
• Familiarity with modern software development methodologies, such as Agile or DevOps.
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams.
• Self-motivated and able to work independently as well as in a team environment.

Preferred Qualifications:

• Experience with healthcare data standards and regulations, such as HL7, FHIR, HIPAA, or GDPR.
• Knowledge of other programming languages and technologies, such as Python, JavaScript, or containerization (Docker, Kubernetes).

Join our team and contribute to the development of innovative healthcare solutions that make a real impact on patient care and outcomes. We offer a competitive salary, a stimulating work environment, and opportunities for professional growth.

If you meet the above requirements and are passionate about leveraging your Java development expertise in the healthcare industry, we would love to hear from you. Please submit your resume and portfolio demonstrating your previous product development work.

•  Developing both frontend and backend of application using technologies like Java,   Angular, JavaScript, HTML5.
•  Designing user interactions on web pages.
•  Designing and Developing back end API's and databases.
•  Meeting both technical and customer’s needs.
•  Seeing through a project from conception to finished product.
•  Take complete ownership of the project and deliver with good quality.
•  Staying abreast of developments in web applications and programming languages.

• Relevant experience of 8+ yrs
• Strong communication, organizational skills. Good in Agile, Scrum, Dev-Ops practices.
• Proficiency with fundamental front end languages such as HTML5, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular, React and Amber.
• Proficiency in Java, Springboot, Microservices
• Familiarity with database technology such as PostgreSQL, MySQL, Oracle and MongoDB.
• Good in writing quality code and Unit Tests. Good knowledge of DevOps practices.
• Excellent verbal communication skills.
• Good problem solving skills

Responsibilities

• Understand both functional and non-functional requirements and translate them into tasks that can be worked upon individually or in a team.
• Use your skills in programming and system design to develop robust and scalable software.
• Perform POCs and build solutions that require integration with other systems.
• Provide estimations for a Sprint or Tasks, and share inputs in design and architectural choices.
• Work in a fast-paced environment and contribute to all phases of SDLC.
• Maintain minimal yet essential engineering documentation to complement the product.
• Collaborate with engineers, product, and business teams as part of Agile delivery.
• Perform code reviews and provide guidance to the team in building software and following the defined process.
• Carry an ownership attitude when working on any solution.

Requirements

• Strong at problem-solving using Java 8 and above.
• Good understanding of SDLC using agile methodologies iterative development.
• Basic skills in HTML, CSS, and JavaScript are desired.
• Hands-on knowledge of using Spring Boot or Quarkus for building Microservices or API driven solutions.
• Good knowledge of SQL and experience in using any RDBMS like MySQL, PostgreSQL.
• Understanding or exposure to Cloud-Native development using AWS is an added advantage.
• Any experience in working on projects built using Microservice architecture, esp if using React and Java with Docker is an added advantage.

Job role & responsibilities:

Full Stack Sr. Java Developer with competencies focused on :

1. Experience in the Java 8 , Spring boot , Struct etc.
2. Good Experience with AWS Cloud Platform and its related services.
3. CI/CD deployments using GitLab and Docker Containers etc.

Here are few responsibilities on the job:

- Gather & analyse requirements , design, develop , test and perform root cause analysis.

- Actively participate in technical brainstorming session for solution building

- Provide technical guidance to team members if needed.

- Develop and Support Application Integration requirements etc.

- Participate in code reviews and design sessions etc.

Must Haves skillset : Java 8, Spring Boot , Microservices and AWS ; Should have worked with Offshore , mentor and coach them to deliver.

Secondary / Nice To Have : Java Structs Framework , Angular JS, Aurora