

Responsibilities:
- Develop and maintain high-quality, efficient, and scalable backend applications.
- Participate in all phases of the software development lifecycle (SDLC)
- Write clean, well-documented, and testable code adhering to best practices.
- Collaborate with team members to ensure the successful delivery of projects.
- Debug and troubleshoot complex technical problems.
- Identify and implement performance optimizations.
- Participate in code reviews
- Hands-on experience with Springboot, Java 8 and above.
- 5-7 years of experience developing Java applications.
- Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
- Required React developer requirements, qualifications & skills:
- Proficiency in React.js and its core principles
- Strong JavaScript, HTML5, and CSS3 skills
- Experience with popular React.js workflows (such as Redux)
- Strong understanding of object-oriented programming (OOP) principles.
- Experience with design patterns and best practices for Java development.
- Proficient in unit testing frameworks (e.g., JUnit).
- Experience with build automation tools (e.g., Maven, Gradle).
- Experience with version control systems (e.g., Git).
- Experience with one of these databases – Postgres, MongoDb, Cassandra
- Knowledge on Retail or OMS is a plus.
- Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset
- Ability to reverse engineer existing/legacy and document findings on confluence.
- Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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● In-depth knowledge of full-stack development principles and best practices.
● Expertise in building web applications with strong proficiency in languages like Node.js, React, and Go.
● Experience developing and consuming RESTful and gRPC API Protocols.
● Familiarity with CI/CD workflows and DevOps processes.
● Solid understanding of cloud platforms and container orchestration technologies.
● Experience with Kubernetes deployment and workflows using tools like Argo.
● Experience applying AI/ML models to optimize workflows or enhance product features, with familiarity in frameworks like TensorFlow, MLflow, Kubeflow, or PyTorch.
● Experience fine-tuning existing AI/ML models to adapt to specific use cases or datasets, ensuring optimized performance.
● Experience with Workflow Orchestration tools like Temporal and Windmill.
● Strong background in System Design.
● Hands-on experience with Queuing Mechanisms such as RabbitMQ, Redis, and Kafka.
● Experience with designing and building user-friendly interfaces using Tailwind CSS and Radix UI.
● Excellent understanding of distributed systems, databases, and APIs. ● A passion for writing clean, maintainable, and well-documented code. ● Strong problem-solving skills and the ability to work independently as well as collaboratively.
● Excellent communication and interpersonal skills.
Bonus points if you have:
● Experience with building self-serve platforms or user onboarding experiences.
● Familiarity with Infrastructure as Code (IaC) tools like Terraform.
● A strong understanding of security best practices for Kubernetes deployments.
● Grasp on setting up Network Architecture for distributed systems.

We are looking out for a technically driven "Full-Stack Engineer" for one of our premium client
COMPANY DESCRIPTION:
Required Skills
• Hands-on experience with NodeJS, React, Redux, & Docker
• Great to have understanding about Kubernetes, Postgres and AWS (SQS, Lambda, S3)
• Experience implementing micro service technology
• Experience working with Python and Pandas, used for data manipulation is a plus
• Experience with Power BI and its APIs is a plus
• Experience with building and maintaining large data sets
• Ability to work across structured, semi-structured and unstructured data, extracting information
and identifying linkages across disparate data sets
• Understanding of information security principles
• Ability to understand complex systems and solve challenging problems
• Ability to clearly communicate complex solutions
• Ability to learn new technologies quickly
• Comfortable in a fast paced small team environment
• Open to work with global team structure, flexible and efficient
• Ability and flexibility to manage multiple assignments in a dynamic, complex and fast-paced
environment
• High level of attention to detail
• Commercial client-facing project experience is a plus
• Business-level language skills and fluency in English

- You will play a key strategic and consultative role in developing, delivering and maintaining digital ad tech
products
- Work as part of the engineering and product teams to develop complex platforms and systems that are
scalable to millions of users
- Result-oriented full-stack development for world-class products with high degree of performance and
quality
- Developers in our teams are also adept at formulating product strategies, research best practices, bring in
expertise and mentor younger talent and drive the organization’s goals higher with a self-starter attitude
- Strong sense of commitment, problem-solving, professional ethics and willingness to learn new things are a
standard requirement for all our openings.
Requirement:
- Knowledge of digital ad tech ecosystem
- Minimum 2+ 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.
- Candidates with Github profiles or blogs with demonstrated knowledge, experience and/or contributions to
open source will have an added advantage

Responsibilities
- Convert shared custom designs into Shopify websites
- Expert-level knowledge of Shopify Liquid templating language to edit the website
- Add new sections, filters, products, etc.
- Integrating third-party and platform-supported apps into the websites
- Analyze the requirements and provide solutions
- Work on issue debugging and troubleshooting
- Use Shopify liquid, jQuery, CSS, and HTML to deliver interfaces as required
- Use Shopify JS APIs (storefront, AJAX Cart, Sections, etc.) to deliver the required functionality
Additional: Candidates with knowledge of SEO will be preferred.
Education and Experience:-
- A Bachelor's degree in Computer Science or equivalent.
- Strong knowledge of the Shopify platform
- Knowledge of SEO optimization
- 2+ years of development experience


• Rich experience in Javascript / NodeJS
• Front end frameworks such as Angular, Bootstrap, Pug, Jquery
• Experience in web frameworks like ExpressJS, Webpack
• Experience in Nginx, Redis, Apache Kafka and MQTT
• Experience with MongoDB
• Experience with Version Control Systems like Git / Mercurial
• Sound knowledge in Software engineering best practices
• Sound knowledge in RestFul API Design
• Working knowledge of Automated testing tools
• Experience in maintaining production servers (Optional)
• Experience with Azure DevOps (Optional)
Others:
• Experience in digital payments or financial services industry will be an advantage.
• Participation in the processes of strategic project-planning meetings.
• Accountable for the overall application lifecycle process.
• Collaborate with External Development Teams.
• Define and communicate technical / design requirements, understanding of the workflow
and write code as per coding standards.
• Develop functional and sustainable web applications with clean codes
• Focus on coding and debugging

You have experience in tackling organization wide challenges which are complex initiative that span multiple teams and products. Strong bias for operational and engineering excellence. critical that your voice is heard in product and business decisions. You like to find patterns that can reuse across multiple stacks, and willingness to help organisations adopt newer technologies. You are a great communicator and you take care setting high benchmarks in technical design choices. You spend a lot of time on research and love to discuss pros/cons of all choices and helping others towards making careful decisions.
Responsibilities:
- You will participate in all aspects of our development and provide expertise on architecture decisions we'll need to make to solve organisational problems.
- Driving technical roadmaps for the organisation.
- Set the north star for all key technical metrics to monitor and set high standards.
- Identify and articulate current state architecture and clarity on final state architecture and build organisation level influence to drive this to conclusion.
- Coaching / mentoring folks across the organisation on various technologies.
- Improve the recruiting and hiring process.
- Thinks about culture and how to impact it.
- Build, develop and scale our platform that powers real estate agents, buyers and sellers.
- Become a domain expert on real estate technology and products and an empathetic partner to our customers.
- Inspire, recruit and mentor your engineering colleagues.
- Operate in a scalable engineering culture that leverages modern principles of decoupled systems and automated CI/CD/testing/monitoring to drive. efficiencies.
Requirements:
- BS in CS or EE or equivalent.
- Proven track record working in top talent and high performance environments.
- Experience working on large scale systems in rapid growth environments.
- Experience with modern web frameworks (e. g. Go/React), distributed computing (e. g. Spark), public cloud platforms (e. g. AWS) and data pipelines
- Familiarity with containerisation, microservices architecture, continuous integration and delivery.
- Experience with multiple well-known products throughout their life cycles, from idea conception to product release and maintenance.
- 10+ years experience.
- Published Engineering blogs.
- Experience with multiple well-known products throughout their life cycles, from idea conception to product release and maintenance.
- External presentations in events.


Work timings: 2 PM to 11 PM
Position Requirements:
• Minimum 6 years’ hands on experience with object-oriented programming in Core PHP
• Minimum 5 years’ hands on experience in front-end technologies such as Angular, Jquery, Bootstrap, JavaScript, HTML, and CSS3 along with experience in optimizing static HTML pages
• Hands on experience with MVC frameworks (Laravel, Zend, Yii)
• Experience with Unit testing and knowledge of PHP Standards Recommendations
• Experience with upgrading from legacy code to latest PHP version/framework
• Experience working in Linux
• Experience in working on complex SQL queries and database schema design
• Experience with modern server components (Memcache, Redis, ActiveMQ, Solr)
• Experience in collaborative team environment using tools like JIRA and Git
• Knowledge of consuming and creating web services
• Knowledge of common web security vulnerabilities such as SQL Injection and XSS
• Good knowledge of SOLID principles
• Good communication skills
• Team Player and Team Builder, having good problem-solving skills and a results – driven approach
Role & Responsibilities:
• Design, estimate, and code new features
• Architect new applications and expand existing ones
• Collaborate on enterprise architecture with other teams
• Define, document, and enforce engineering standards
• Perform code reviews of your team member’s work
• Mentor junior engineers
• Participate in software design discussions
• Participate in sprint planning and other project management meetings
• Ensure all code that goes to production is of best quality and existing applications are scaled to meet expected demand
• Identify and fix gaps in system reliability, such as production monitoring
• Continuously improve the software infrastructure, such as the deployment process


• Design and build scalable REST API’s and integrate third party API’s
• While you focus on one stack, you will also work on multiple stacks - Backend, Frontend, Databases, Infra, etc.
• Unifying data structures across multiple internal built systems to ensure continuity and enhancements of functionality
• Implement scalable, robust and highly available solutions
• Identify and/or question problems/issues and have the ability to scope out a solution with clean modular code
• Participate in Sprint Planning activities - sizing, estimations and assessments
• Conduct peer to peer code reviews and write unit test cases along with your code
• Work with the QA team to ensure that your code is always delivered on time and matching the criteria of all stories
• Show demoes of the features and functionality you have developed.
Technical and General Skills we expect you to have;
• Quick learner, good at math and problem solving skills
• Strong in communication - verbal and written
• Fair working knowledge of design patterns
• Good in Data Structures and writing algorithms
• Experience working on MVC frameworks
• 1+ year of experience in writing code in either Java, Python, Ruby or JavaScript
• Other tech skills that we’d like you to have knowledge about: Relation DB’s, Git, Using an IDE, writing unit test cases
• Bachelors or Master Degree - Computer Science is a plus, but not required
• Willing to work and keep up in a fast-paced startup
• Be open-minded and learn from your peers
• Have fun in a collaborative work environment
Java Springboot Developer
- Java Springboot - Support end-end management of the APIs over its entire lifecycle
- Work with various application teams to understand their business needs and requirements for the API implementation
- Ensure API documentation is created and remains up to date
- Ensure code and design quality with appropriate logging, monitoring, tracing, and security standards in place
- Help troubleshoot and resolve issues related to the API platform, API accessibility and API deployments
- Perform root cause analysis for Production issues and come up with solutions that will prevent them from happening in the future
- Governance, Event Driven Architecture, message-based architectures, and caching strategies and frameworks.
- Participate and contribute in grooming technical user stories impacting integration
Who You Are
To qualify for this position, you should meet the following requirements:
- More than 6 years of experience in development, and implementation of enterprise-wide solutions based on Java Technologies (Java, J2EE, Webservices/Spring)
- At least 3-5 years of hands on experience with design, development and implementation of Spring Boot, Microservices
- Experience in Deploying Microservices (spring-boot, node's)
- Good understanding of security protocols (e.g. OAuth, SAML)
- Excellent analytical, oral, written communication and presentation skills with ability to interact with global delivery technical teams.
- Experience in Agile methodologies
- Design and code feature in the front-end and back-end as per the specifications provided by the Product and Design teams.
- Ship features in fast-moving agile sprints.
- Work closely with Product Design and Product Management teams to brainstorm and chalk out details of features.
- Ability to build a feature from scratch & drive it to completion
Skills Must have:
- Good understanding of Javascript and Clean architecture.
- Good understanding of asynchronous programming, callback, and closures
- Experience in developing applications that use queues like SQS, RabbitMQ, Kafka, etc
- Experience with AWS services like S3, EC2, etc
- Strong experience with Javascript frontend framework/libraries like ReactJS
- Good knowledge of CSS and its preprocessors like SASS/LESS
- Good understanding of server-side templates.
- Experience with creating cross-browser compatible web apps
- Should be Strong in MySql / Postgres database
- Stronghold in Data structure and processing JSON
Good to have
- Basic knowledge of CI, CD
- Intermediate knowledge in any cloud services(AWS, GCP)
- Familiar with testing frameworks like Mocha, Cypress

