


We are seeking a skilled and innovative Developer with strong expertise in Scala, Java/Python and Spark/Hadoop to join our dynamic team.
Key Responsibilities:
• Design, develop, and maintain robust and scalable backend systems using Scala, Spark, Hadoop and expertise in Python/Java.
• Build and deploy highly efficient, modular, and maintainable microservices architecture for enterprise-level applications.
• Write and optimize algorithms to enhance application performance and scalability.
Required Skills:
• Programming: Expert in Scala and object-oriented programming.
• Frameworks: Hands-on experience with Spark and Hadoop
• Databases: Experience with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB).
• Location: Mumbai
• Employment Type: Full-time

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.
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You will develop and maintain the key backend code and infrastructure of the company stack. You will implement AI solutions like LLMs for various tasks such as voice-based interactive systems, chatbots, and AI web apps. Ability to see projects through from start to finish with good organizational skills and attention to detail. This is a perfect role for someone who likes to build state-of-the-art AI products and work with cutting-edge AI technologies like GPT, LLAMA, etc
Qualifications
- BS or MS in Computer Science or relevant field.
- 4+ years experience in backend software development
- Be able to design high-throughput scalable backend systems
- Eagerness to learn applied AI technologies like LLMs, prompt engineering, etc
- Proficiency in Python.
- Experience with cloud computing platforms (AWS, GCP) and technologies like Docker
- Knowledge of Rest APIs, databases (mysql, mongo, vectorDB)


- Implement security and data protection solutions
• Strong technical experience with Java 8 and above
• Sound understanding of Database concepts & experienced with MySQL.
• Strong technical experience with JavaScript/Ajax/jQuery
• Good knowledge of Angular 2+ version.
• Good knowledge of REST APIs and Spring Boot.
• Awareness with any of version control systems like Git/SVN/TFS/VSS etc
• Awareness and exposure of AWS architecture components such as S3, SQS, Lambda, EKS etc
Good to Have:
• Knowledge of Docker and Containerization.
• Working in Agile env will be plus.
• Understanding of Code Optimization techniques, Code coverage tool and code analysis tool.
• Working knowledge of CI/CD process.
• Experience of onshore/offshore team collaborations.
• Makes a valuable contribution to team objectives, displays trust and mutual understanding, accepts constructive feedback, and handles confrontation constructively
Java Developer
Requirements:
1. Good knowledge and hands on experience in Java development with.
2. Good knowledge of Java and J2EE internals (Multi threading, Memory Management, Transaction
management etc.)
3. Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
4. Working experience in developing web applications using Spring MVC or Spring Boot.
5. Analytical mindset and good problem-solving skills is a must.
6. Able to write well-structured, testable, efficient code.
Job Description
We are looking for a passionate and motivated java backend developer to engineer low latency
applications for mission-critical systems, delivering high-availability and performance. You will be
contributing in all phases of the development lifecycle, and will be working closely with a cross-functional
team to create highly scalable products.
Salary: As per Industry Standards
Industry: IT-Software / Software Services
Functional Area: IT Software - eCommerce, Internet Technologies
Role Category:
Role: Backend Engineer

- 4 year degree or equivalent experience
- 8 to 13 years of software development experience
- Demonstrates broad and deep expertise in any programming languages(Java, GoLang) and open source frameworks (e.g., Spring Boot, Micronut).
- Designs, develops, and approves end-to-end functionality of a product line, platform, or infrastructure and microservices.
- Must have exposure to at least one cloud product/platform development.
- Working knowledge of any one client side framework like ReactJS or Angular, etc.
- Should have exposure to one or more databases like Cassandra, MongoDB, Graph, Redis, Elastic Search and Postgres.



Artwork Flow website: https://www.artworkflowhq.com/">https://www.artworkflowhq.com
Bizongo: https://www.bizongo.com">https://www.bizongo.com
Artwork Flow is the Global SAAS platform by Bizongo for Product Packaging Management and Label Proofing. It’s a cloud-based collaboration platform to review & approve creative packaging projects to accelerate new product launch.
We are helping brands across industries such as Food and Beverages, Pharmaceuticals, Cosmetics, Personal Care, Chemicals, Consumer goods, and more. Our capterra score of 4.5 is a testimony to our customer obsession.
We function as a startup within Bizongo and we are looking to onboard driven individuals for Product and Engineering, as we grow Artwork Flow into North America, Europe and other global markets.
We have a few of the best investors on board including the likes of Accel, Chiratae, B-Capital Group, IFC (World Bank group), CDC group and Schroeder Adveq
You’ll be a great fit if you:
- Strong proficiency in Java and building scalable enterprise applications
- Can think of architectural design at scale
- Love solving complex and challenging problems
- Have good knowledge of design and architectural patterns
- Thrive to implement Industry’s best practices and coding standards
- High obsession for Quality and Performance
- Good knowledge on performance optimization, SQL tuning, caching techniques
- Like to collaborate with people, share knowledge, learn from others and mentor juniors
Additional Perks -
- Medical Insurance
- Flexible Work hours
- Casual Dress Code
- Recreational Facility
Minimum of 4+ years of experience in Java development
- Experience delivering Services (REST, SOAP) and Web applications in Micro services architecture
- Experience developing and deploying Java solutions to cloud
- Experience in Spring Boot and components of Spring framework
- Experience in a JavaScript framework such as Angular or React
- Experience in TDD using Junit or similar frameworks
· Experience in Design Patterns and service oriented architectural principles, Data structures and Algorithms.
· Individual should be an active participant in the product design and code reviews for self and team and can competently review any aspect of their product or major sub-system.
· Experience in SQL, Unix skills.
· Good communication Skill
Requirements :
- 3+ years of professional software development experience
- 2+ years of object-oriented Java/J2EE hands-on development
- Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
- REST web services
- Anyone of the messaging solutions like Kafka, RabbitMQ
Desirables :
- SQL, No SQL concepts
- Experience of Redis or/and Mongo DB
- Agile methodology
- Experience leading or working with cross geography teams
- Unix, shell scripting & Build Systems
Bonus :
- Microservice design and development experience
- Android application development experience
- Experience in performance optimization is an added advantage
- Full SDLC experience (requirements gathering, architecture, development, QA, etc.)
Responsibilities :
- You will be working with the Supply Chain Management team building a leading eCommerce platform for Asian markets
- Order Promising system, promising the order delivery promise date to customer by applying the constraints on current resource availability across different steps in the supply chain. This system needs to scale for thousands of requests per minute with few million seconds of response time
- Warehouse and Inventory Management system, this system needs to scale to processing huge number of orders across different warehouse.
- Transportation and Logistics Management, involves planning and delivery of huge number orders to end customer. This system has the workflows to manage first mile, line haul and last mile delivery to customer
- Inventory Planning, helps in tracking different selling behaviours of the items and triggers / helps planners to replenish, promote, markdown or place inventory at right place to cut down the on hand inventory requirements
- You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding review, coding, unit testing, end user feedback cycle changes and manging and scaling the system in production.
- Primary role in leading software development teams
- The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, microservices and SQL.
- Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture
- Work with a team of amazing developers and designers involved in the design and development of global platforms
- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud-based or hosted product platforms
- Drive the implementation of new technologies that improve our ability to build great customers products.
- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
Qualification :
- A Bachelors degree in Computer Science (or equivalent experience)
- M-Tech or advanced degree a plus
- Hackathon participation, hands-on programming capability, competitive programming is a plus





