
We are seeking a skilled Java Developer with hands-on experience in Java and Spark to build scalable data processing solutions. You'll contribute to high-performance data pipelines and analytics platforms in a dynamic Agile environment.
Key Responsibilities
- Design and develop Java applications integrated with Apache Spark for ETL processes, data transformations, and analytics.
- Build and optimize Spark jobs (Spark SQL, DataFrames, Streaming) for large-scale data processing.
- Collaborate with data engineers and analysts to implement robust data workflows.
- Write clean, maintainable Java code following best practices (Spring Boot, Microservices preferred).
- Perform code reviews, unit testing, and contribute to CI/CD pipelines.
- Troubleshoot and optimize Spark performance for production workloads.
- Document technical solutions and mentor junior developers.
Required Skills & Qualifications
- 4-7 years of hands-on Java development experience.
- Strong expertise in Apache Spark (Spark Core, Spark SQL, PySpark basics).
- Proficiency in Java 8/11+ with multithreading and collections frameworks.
- Experience with data processing (ETL, data pipelines, big data).
- Familiarity with build tools (Maven/Gradle) and version control (Git).
- Strong problem-solving skills and Bangalore location availability.
- Excellent communication skills for cross-team collaboration.
Good to Have
- Experience with Snowflake for cloud data warehousing.
- Knowledge of DBT (Data Build Tool) for analytics engineering.
- Python scripting for data manipulation and automation.
- Exposure to AWS/GCP/Azure cloud platforms.
- Familiarity with Kafka, Airflow, or containerization (Docker/Kubernetes).

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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- Proven experience as a Python Developer
- Strong knowledge of core Python and Pyspark concepts
- Experience with web frameworks such as Django or Flask
- Good exposure to any cloud platform (GCP Preferred)
- CI/CD exposure required
- Solid understanding of RESTful APIs and how to build them
- Experience working with databases like Oracle DB and MySQL
- Ability to write efficient SQL queries and optimize database performance
- Strong problem-solving skills and attention to detail
- Strong SQL programing (stored procedure, functions)
- Excellent communication and interpersonal skill
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- Design, develop, and maintain data pipelines and ETL processes using pyspark
- Work closely with data scientists and analysts to provide them with clean, structured data.
- Optimize data storage and retrieval for performance and scalability.
- Collaborate with cross-functional teams to gather data requirements.
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- Stay up to date with industry best practices and emerging technologies in data engineering.
Java/J2EE stack
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the deployment pipeline to support large volume of transactions
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and the Engineering lead
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• Designing the unit test cases and building the framework for the development team to
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• Learn about new technologies and Stay up to date with best practices
• Collaborate with multidisciplinary team of designers, engineers, system administrators and
product team
• Lead the Backend team and manage their day to day activities and work deliverables
- 5+ Years Java/JEE development experience in an enterprise.
- 3+ Experience in #Grails Web Framework and #Groovy Language.
- Must have experience integrating Grails code with front-end JavaScript frameworks including Jquery.
- Must have experience working with XML and JSON using Grails, JMS and Web, services, XML, Apache Tomcat, SQL and Unix and GIT.
- Experience with RDMS concepts and SQL.
- Experience with RESTful Web Services.
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Backend - Software Development Engineer III
Experience - 7+ yrs
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments leading technical teams, designing system architecture and reviewing peer code. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.
Location - Chennai or Bangalore
- Relevant experience of 7+ years building high-performance back-end applications with at least 3 or more projects delivered using the required technologies
- Good problem solving skills
- Strong mentoring capabilities
- Good understanding of software development life cycle
- Strong experience in system design and architecture
- Strong focus on quality of work delivered
- Excellent verbal and written communication skills
Required Technical Skills
- Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
- Strong experience with Express.Js framework
- Working experience with Python web app development or python scripting
- Implementation experience in monolithic and microservices architecture
- Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
- Experience integrating with any 3rd party services such as cloud SDKs (AWS, Azure) authentication, etc.
- Hands-on experience with Kafka, RabbitMQ or any similar technologies.
- Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
- Strong experience writing and maintaining clear documentation
Good to have skills:
- Experience working with common services in any of the major cloud providers - AWS or GCP or Azure
Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
About the company
Currently we are hiring for a VC backed startup a fast growing fintech startup based in Bangalore.
It is a super app to digitize India’s 50M+ sales agents where they can get access to relevant products & services, receive training through interactive videos on “how to sell, what to sell and whom to sell”, and earn money. For businesses, we help them save a huge effort in managing and training these agents and help them increase their reach to every nook and corner of the country.
India is a trust deficit market which cannot be accessed through Internet Marketing on Facebook and Google as the majority of the customers need training, push, motivation and a primer on why and how to use a product.
To solve this problem, traditional industries like BFSI, Telecom, Automobile, Real Estate etc. use 50M+ frontline sales executives to drive distribution. We believe that not just for these traditional industries but also for emerging companies in FinTech, EdTech etc these agents will play a pivotal role in accessing trust deficit customers.
They have grown to a 100,000+ agent network across India (growing 50% MoM) & are funded by tier1 VC’s and angels in India.
Summary of Role
As a lead of the consumer products software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. You will be responsible for defining and developing software for tasks associated with the developing, designing and debugging of the software applications.
Responsibilities:
- Overlook development of all consumer products in JAVA
- Lead a team of 4-5 developers
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Continuously create new and interactive features that would help to improve user experience and user engagement.
- Assist with troubleshooting of issues as needed
- Lead the design and architecture of software solutions
- Assist in developing and maintaining continuous integration pipelines
Required Skills for this Role:
- JAVA
- Spring/Spring Boot
- Hibernate
- Linux
- REST
- Kafka
- Mysql
- AWS
- ELK Stack (Elasticsearch)
- CI/CD Pipelines
- Team Leadership experience of at least 3 year
Qualifications:
- 4+ years of experience in Java based technologies
- Experience in designing databases and system architecture
- Experience in building products from scratch at well funded start-ups
- Team Lead/Team Manager experience of at least 3 years
Location- PAN India
must know Core Java,Eclipse
immediate joiner
NP - 15 dayss or less
Primary Location: Pune
Description:
Responsibilities -
● The candidate is expected to lead one of the key business areas end to end. This is pure
hands on role but he/she may need to mentor junior person in the team.
● Requirement gathering with business and get this prioritized in the sprint cycle.
● Come up with Project Architecture design and get the same approved from Tech Review
committee.
● Ensure quality and timely delivery.
Technical and Professional Requirements-
Required Tech Skills
● Very Strong fundamental of OOPs programming
● Very Strong at Java fundamentals, Multithreading, Streams
● Good understanding of Data Structure
● Good knowledge of any distributed caching /computing framework/tools
● Good at SQL query/optimization
Nice To Have (willing to learn)
● AWS Lambda (Serverless), Redis, Kinesis , Big Data , Sparx , spring boot , NoSQL
database , React Js, JMS/SQS , AWS Cloud, nodejs, python
● Well versed with latest technology stack on server side programming
● Good to have business knowledge of Loan management.
Job description
Do you want to work with high traffic OLTP and OLAP systems that provide real value to retailers? Want to build real web applications that work across multiple channels and devices? In this critical role, the right candidate should have an entrepreneurial mind-set, have experience working across an application stack and a strong background in developing complex web experiences that are rich, responsive and interactive. The individual should have exhibited good technical leadership skills and be a highly motivated individual.
Role & Responsibility
- Exhibit strong technical knowledge, leadership skills and independent execution.
- A keen eye for good experiences. Understanding the experience from a customer perspective.
- Drive design discussion of complex features and own development of these modules across the application stack.
- Ability to adapt to changing business and product needs.
- Experience evolving the design and operation scale as new features are added to the product
- Mentor junior developers and ensure quality code output (via code reads, reading references, etc.) from them.
- Co-ordinate with internal teams and external partners in ensuring we build the best solution on time for the customer. Constantly looking at ways to innovate and improve the product.
- 8+ years of experience in Java & J2EE based Web Technologies & Frameworks with a focus in either Service Oriented Architecture or APIs.
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- Strong knowledge of web technologies, common web frameworks, networking, SQL and database technologies
- Well versed in software engineering principles, frameworks and technologies
- Strong debugging / troubleshooting skills.
- Ability to propose and defend solutions.
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