Full stack JAVA Developer

• Architect and Develop: Design, implement, and maintain high-performance backend services using Java/Golang and intuitive frontend interfaces using React.
• Technical Leadership: Provide technical guidance and mentorship to junior developers, promoting best practices and fostering a collaborative environment.
• Code Quality: Write clean, efficient, and well-documented code following industry best practices and coding standards.
• Collaboration: Work with backend developers, frontend developers, product managers, and other stakeholders to gather requirements and deliver robust solutions.
• Performance Optimization: Identify and address performance bottlenecks and scalability issues.
• Debugging and Troubleshooting: Diagnose and resolve complex issues in both backend and frontend components.
• Testing: Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end tests.
• Continuous Learning: Stay current with the latest industry trends, technologies, and best practices in full stack development.

Sound technical exposure in React, Node, API, Java, JPA, Hibernate, Kafka, REST API,

Postgre DB.

• Strong experience in systems design principles.

• Must have strong exposure in PSQL queries and stored procedures.

• Experience in Lending/Fintech domains will be preferable.

• Design, implement and maintain Java-based applications that can be high-volume and

low-latency.

• Familiarity with browser testing and debugging.

• Analyze user requirements to define business objectives.

• Identify and resolve any technical issues arising.

• Develop technical designs for application development.

• Conducting software analysis, programming, testing, and debugging.

• Manage Java and Java EE application development.

• Understanding of strategic handling of technical projects. i.e. adhering to stakeholder

expectations and processes.

Looking for Java Fullstack Developer

Having Experience in Java, Spring , Microservices

React and Redux

• 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
  

What You will do

● Create beautiful software experiences for our clients using design thinking, lean and

agile methodology.

● Work on software products designed from scratch using the latest cutting edge

technologies, platforms and languages such as JAVA, python, Javascript, GoLang and

Scala.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Work in collaborative, fast-paced and value-driven teams to build innovative customer

experiences for our clients.

● Help to grow the next generation of developers and have a positive impact on the

industry.

Basic Qualifications

● Experience: 4+ years.

● Hands-on development experience with a broad mix of languages such as JAVA, Python,

Javascript etc.

● Server-side development experience mainly in JAVA, (Python and nodeJS can be

considerable)

● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery

etc. are good to have.

● Passion for software engineering and follow the best coding concepts.

● Good to great problem solving and communication skills.

Nice to have Qualifications

● Product and customer-centric mindset.

● Great OO skills, including design patterns.

● Experience with devops, continuous integration & deployment.

● Exposure to big data technologies, Machine Learning and NLP will be a plus.

Benefits

● Competitive salary.

● Work from anywhere.

● Learning and gaining experience rapidly.

● Reimbursement for basic working set up at home.

● Insurance (including a top up insurance for COVID).

Location

Remote - work from anywhere.

• 6 to 9 yrs You can write backend code using primarily Java
• You can contribute to frontend code stack in ReactJS or other Javascript framework
•  front-end technologies (ReactJS /AngularJS) experience
• 3+years of experience with web application development
• 3+ years of database experience
• 3+ years of Webservices or API Development experience
• 3+ years of experience with Java development
• Web Framework experience with Spring MVC
• Strong work experience with Java, Spring Boot, Microservices, MongoDB
• Web UI experience with CSS, AJAX, JavaScript, Bootstrap, AngularJS / ReactJS
• Familiarity and working knowledge Docker, Jenkins
• Database and caching experience, SQL and NoSQL (SQL, Postgres)

•  Good communication skills in English (Written and Oral)
•  Strong knowledge of RDBMS concepts
•  Strong analytical and problem-solving skills
•  Experience in performance tuning
•  Experience in interaction with the customer
• Mandatory technical skills Java 8+, Angular 2+, HTML, CSS, TypeScript
• Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence) 
•  Ability to explore the application by himself/herself from the training provided

• New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
•  Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
• Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
• Level 2 and Level 3 support (Support process adherence)
• Functional and technical or solution documentation preparation
• Execution will either be Waterfall or Agile
• The process needs to be followed as defined by RBEI or RBEI’s Customer
• Preparation & participation in the project status and review meeting

Job Title
Full Stack Developer
Type: Full Time
Location: IIT Kanpur, UP [Onsite + Remote]
Desired Qualification: Bachelors/Masters in Computer Science, Statistics or relevant field
Experience : 1+ years
CTC: As per industry standard

About us
Lenek Technologies aspires to create an ecosystem of research and development around medical
technologies in India as well as strengthen its supporting domestic manufacturing sector. The company's
vision is to take quality healthcare to the masses by addressing roadblocks with innovative solutions through
technology.

Job Summary :
● We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a
cross-functional team that’s responsible for the full software development life cycle, from conception
to deployment.
● As a Full Stack Developer, you should be comfortable around both front-end and back-end coding
languages, development frameworks, and third-party libraries. Also, an excellent team player with
the ability to own deliverables/projects from beginning to end with little direct supervision.
● If you’re also familiar with Agile methodologies, we’d like to meet you.


Requirements:
● Proven experience as a Full Stack Developer or similar role
● Experience developing desktop, web, and mobile applications
● Strong algorithms, analytical skills, and data structures knowledge.
● Very good understanding of HTML5, CSS3
● Expert at Javascript, Javascript frameworks and libraries, JQuery, NodeJS, ReactJS and
ReactNative(good to have).
● Good understanding of server side library and bundling tools, such as Hapi, Express, Webpack, etc.
● Have sound knowledge and experience in scripting language Python
● Familiar with python backend frameworks like Flask.
● Have experience in source code management tools: preferably git
● Good to have knowledge of AWS Cloud.
● Familiarity with SQL and NoSQL databases e.g. MySQL, MongoDB and web servers (e.g. Apache2,
Nginx)
● Flexible to work on DICOM and PACS.
● Good understanding of asynchronous request handling, partial page updates, and AJAX
● Proficient understanding of cross-browser compatibility issues and ways to work around them
● Thrive in a start-up environment and enjoy wearing many hats. Integral and entrepreneurial way of
thinking and acting
● Excellent communication and teamwork skills



Responsibilities :
● Work with development teams and product managers to ideate software solutions
● Design client-side and server-side architecture
● Build the front-end of applications through appealing visual design
● Develop and manage well-functioning databases and applications
● Write effective APIs
● Test software to ensure responsiveness and efficiency
● Troubleshoot, debug and upgrade software
● Create security and data protection settings
● Build features and applications with a mobile responsive design
● Write technical documentation
● Work with data scientists and analysts to improve software