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Key Responsibilities
Build and maintain data transformation pipelines using Spark
Develop and optimize large-scale/CPU intensive data processing using Apache Spark
Orchestrate workflows using Airflow
Implement data quality checks, testing, and monitoring for pipeline. Good to have exposer into managing metadata, cataloguing, and lineage
Support schema evolution, backfills, and incremental processing
Ensure pipelines meet SLAs for freshness, reliability, and performance
Expertise/working knowledge in Spark and HBase(semantic layer, virtual datasets, Reflections)
Required Skills & Qualifications
hands-on experience with HBase
Apache Spark
Experience with HBase or similar lakehouse query engines
Airflow
Understanding of data catalogs and lineage (e.g., OpenLineage, DataHub, Apache Polaris , openlineage)
Proficiency in Java
Experience with Git-based development and CI/CD
Nice-to-Have Skills
OpenTable format/Iceberg ,Apache Arrow
CDC-based analytics pipelines
Cloud platforms (AWS)
Kubernetes-based data platforms
About Us:
Wissen Technology is a leading provider of innovative technology solutions. We are committed to delivering excellence and fostering a collaborative environment where our employees can grow and thrive. We offer a dynamic work culture, exciting career growth opportunities, and a balanced work-life approach.
Job Description:
We are looking for a talented and motivated Java Developer to join our team in Mumbai. As a Java Developer at Wissen Technology, you will work on cutting-edge projects and contribute to building scalable and efficient applications. If you have a passion for technology, thrive in a fast-paced environment, and have experience with Angular, we want to hear from you!
Details:
- Location: Mumbai, Maharashtra
- Address: Wissen Technology, Times Square, 07 Floor, Andheri - Kurla Rd, Gamdevi, Marol, Andheri East, Mumbai, Maharashtra 400059
- Type: Hybrid mode of work
Requirements:
- Education: BTech, BE, or MCA
- Skill Set: Full Stack Java Developer with proficiency in Angular.
- Prior experience working with Angular and willingness to continue working with it.
- Strong understanding of web application development and design principles.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently as well as in a team environment.
Responsibilities:
- Develop, test, and maintain web applications using Java and Angular.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Troubleshoot and resolve software defects and issues.
- Ensure the performance, quality, and responsiveness of applications.
- Stay updated with emerging trends and technologies in software development.
Benefits:
- Competitive salary and good appraisals.
- Career growth opportunities.
- A healthy work-life balance.
- Collaborative and supportive work environment.
Join Wissen Technology and be a part of a team that values innovation, collaboration, and professional growth. We look forward to welcoming you on board!
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Task:
- Design, implement and maintain Java application phases
- To take part in software and architectural development activities
- Conduct software analysis, programming, testing and debugging
- Identifying production and non-production application issues
- Transforming requirements into stipulations
- Develop, test, implement and maintain application software
- Recommend changes to improve established Java application processes
- Develop technical designs for application development
- Develop application code for Java programs
We wish:
- Minimum 7 years of experience with excellent Java development skills
- Demonstrable hands-on experience of delivering solutions in a JavaEE 6 environment
- Open-source frameworks and standards Hibernate, Spring JDBC
- Hands-on experience with tools such as: Ant, Eclipse, Maven, SVN, SoapUI, JIRA, Bamboo
- WS concepts and protocols: WSDL, REST, SOAP, JMS, XSLT, XML Schema
- Experienced with one or more open-source ESB products (JBOSS FUSE ESB, Apache Camel, Apache servicemix) and / or message-oriented middleware and Active MQ, JMS
- Strong Java unit test skills
- Good experience in design patterns & design principles
- Experience with Webservices, PLSQL and SQL (Oracle 10g or above)
- Experience in Oops development with Core Java
- Desirable:
- Experience with: Elastic Search, Smooks, Lucene, Jasper, Report
- Domain driven design
- Experience with NoSQL technologies: Casandra, Mongo DB
- Experience with agile development practices (Eg Scrum) and continues integration environment
- J2EE application and web containrs such as GlassFish, Jetty, Tomcat
- CMMi-5 level process experience advantage
We Offer:
- Freedom to realize your own ideas & individual career & development opportunity.
- A motivating work environment, flat hierarchical structure, numerous company events which cannot be forgotten and fun at work place with flexibilities.
- Professional challenges and career development opportunities.
We are hiring for Java / Spark Developer.
Good IT experience in JAVA technology and its frameworks
Hands on experience in JAVA FULL STACK development including MINIMUM 2YEAR IN SPARK
Experience in writing SQL for any one Relational database ex. Oracle
Extensive knowledge in HiveSQL Hadoop
Experience in Version control through Bitbucket Issue tracking through JIRA CICD
The Wellness Shop is an eco-friendly wellness brand which provides range of products that are organic and 100% natural. We provide products catering to cosmetics, wellness and healthcare segment. The company launched in 2021 and within 4 months, we have launched 150+ premium products and have started hitting 400+ daily orders. TWS is funded by logx ventures. We plan to build this company into a multi-million dollar business and provide best quality organic products all over the world!
We are looking for a talented EMAIL MARKETING MANAGER to take the lead with our email marketing strategies. Your main duties include running email marketing campaigns end-to-end, managing email databases and creating newsletters. If you're interested in web technologies and can generate innovative ideas to increase sales, we would like to meet you.
Responsibilities:
- Identify target audience and grow our email list
- Design and implement direct email marketing campaigns
- Proofread emails for clarity, grammar and spelling
- Ensure mobile-friendly email templates
- Write newsletters including all company updates
- Upgrade our email templates using graphics, personalization and advanced features - Ensure prompt and accurate communication with clients via email to minimize unsubscribes - Create email databases for lead generation
- Analyse campaign performance and suggest improvements
- Report on sales revenue generated from email marketing efforts
- Ensure emails follow industry policies and best practices
Requirements:
- 5+ years of proven work experience as an Email marketer
- Hands on experience with HTML and content management systems
- Proficiency in marketing automation technology
- Knowledge of SEO/SEM and Google Analytics
- Familiarity with analytical and database tools
- Excellent written communication and copywriting skills
- Strong project management skills
- An ability to work under tight deadlines
JOB DESCRIPTION
Nature of Work:
This being an advanced level position in the S/W development team the individual is expected to:
∙ Participate as a team member in all phases of the S/W lifecycle, including the analysis and design of S/W systems.
∙ Participate in a detailed level of coding, code walk – through and unit testing of S/W modules.
∙ Participate in integrated testing of product/ package.
∙ Participate in difficult and typical coding assignments with responsibility of a small module consisting of 3 – 5 members.
∙ Participate in exploration/ feasibility study of products.
∙ Have a thorough understanding of the assigned product/ project.
∙ Participate in generating technical documentation of products/ packages.
∙ Providing technical training to the juniors.
∙ Manage allocated resources, keep compliance with discipline and decorum of the organization.
∙ Keep compliance with Systems and Procedures.∙ Thorough knowledge of current technological trends in Web based Software
∙ Strong Working knowledge of JSF/JSP, Servlets, Spring, Web application development and Core Java
• Working knowledge of working with databases using EJB.
• Knowledge of Bug Tracking tool such as Jira, Bugzilla and source code version control systems (SVN, GIT)
• Knowledge of working in Scrum methodology.
• Good to have knowledge of SonarQube and Web Security Aspects.
• Knowledge of Responsive Front End Development using HTML5, JavaScript, CSS3, JQuery, Ajax and JSON.
• Should be able to write test cases for the feature.
∙ Ability to gather and analyze data & draw logical conclusions
∙ Understanding of company’s vision & goals, business operations∙ Clear and concise oral and written communication skills
∙ Ability to establish and maintain effective work relationships at
all levels
∙ Great passion for S/W development.
∙ Ability to mentor and guide the juniors.WE ARE GRAPHENE
Graphene is an award-winning AI company, developing customized insights and data solutions for corporate clients. With a focus on healthcare, consumer goods and financial services, our proprietary AI platform is disrupting market research with an approach that allows us to get into the mind of customers to a degree unprecedented in traditional market research.
Graphene was founded by corporate leaders from Microsoft and P&G and works closely with the Singapore Government & universities in creating cutting edge technology. We are gaining traction with many Fortune 500 companies globally.
Graphene has a 6-year track record of delivering financially sustainable growth and is one of the few start-ups which are self-funded, yet profitable and debt free.
We already have a strong bench strength of leaders in place. Now, we are looking to groom more talents for our expansion into the US. Join us and take both our growths to the next level!
WHAT WILL THE ENGINEER DO?
- Primary Purpose: As part of a highly productive and creative AI (NLP) analytics team, design and develop web applications and SPA’s i.e., UI/UX, and underlying backend – API’s, security framework, scalable microservices etc.
- Daily Grind: Interface with the product manager, project managers, and the engineering team to achieve sprint goals on the product roadmap.
- Career Progression: Senior Full Stack Engineer, Technical Architect
YOU CAN EXPECT TO
- Work in a product-development team capable of independently authoring software products.
- Guide junior programmers, set up the architecture, and follow modular development approaches.
- Design and develop code which is well documented.
- Optimize of the application for maximum speed and scalability
- Adhere to the best Information security and Devops practices.
- Research and develop new approaches to problems.
- Design and implement schemas and databases with respect to the AI application
- Cross-pollinated with other teams.
HARD AND SOFT SKILLS
Must Have
- Problem-solving abilities
- Extremely strong programming background – data structures and algorithm
- Angular/React, Strong UI/UX skills
- Very strong python background, TDD, CI/CD,
- Software design skills i.e., OOPs, design patterns
- SQL, NoSQL – design of schemas and databases
- Microservices architecture, Cloud native apps
Good to Have
- Enterprise Design Patterns
- Distributed Systems
- Exposure to ML and Data Science
- Docker, Kubernetes, AKS, Kafka, Graph databases








