
Location: Pune
Required Skills : Scala, Python, Data Engineering, AWS, Cassandra/AstraDB, Athena, EMR, Spark/Snowflake

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
Similar jobs
Position : Software Engineer (Java Backend Engineer)
Experience : 4+ Years
📍 Location : Bangalore, India (Hybrid)
Mandatory Skills : Java 8+ (Advanced Features), Spring Boot, Apache Spark (Spark Streaming), SQL & Cosmos DB, Git, Maven, CI/CD (Jenkins, GitHub), Azure Cloud, Agile Scrum.
About the Role :
We are seeking a highly skilled Backend Engineer with expertise in Java, Spark, and microservices architecture to join our dynamic team. The ideal candidate will have a strong background in object-oriented programming, experience with Spark Streaming, and a deep understanding of distributed systems and cloud technologies.
Key Responsibilities :
- Design, develop, and maintain highly scalable microservices and optimized RESTful APIs using Spring Boot and Java 8+.
- Implement and optimize Spark Streaming applications for real-time data processing.
- Utilize advanced Java 8 features, including:
- Functional interfaces & Lambda expressions
- Streams and Parallel Streams
- Completable Futures & Concurrency API improvements
- Enhanced Collections APIs
- Work with relational (SQL) and NoSQL (Cosmos DB) databases, ensuring efficient data modeling and retrieval.
- Develop and manage CI/CD pipelines using Jenkins, GitHub, and related automation tools.
- Collaborate with cross-functional teams, including Product, Business, and Automation, to deliver end-to-end product features.
- Ensure adherence to Agile Scrum practices and participate in code reviews to maintain high-quality standards.
- Deploy and manage applications in Azure Cloud environments.
Minimum Qualifications:
- BS/MS in Computer Science or a related field.
- 4+ Years of experience developing backend applications with Spring Boot and Java 8+.
- 3+ Years of hands-on experience with Git for version control.
- Strong understanding of software design patterns and distributed computing principles.
- Experience with Maven for building and deploying artifacts.
- Proven ability to work in Agile Scrum environments with a collaborative team mindset.
- Prior experience with Azure Cloud Technologies.


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

Requirements
- 3+ years work experience with production-grade python. Contribution to open source repos is preferred
- Experience writing concurrent and distributed programs, AWS lambda, Kubernetes, Docker, Spark is preferred.
- Experience with one relational & 1 non-relational DB is preferred
- Prior work in the ML domain will be a big boost
What You’ll Do
- Help realize the product vision: Production-ready machine learning models with monitoring within moments, not months.
- Help companies deploy their machine learning models at scale across a wide range of use-cases and sectors.
- Build integrations with other platforms to make it easy for our customers to use our product without changing their workflow.
- Write maintainable, scalable performant python code
- Building gRPC, rest API servers
- Working with Thrift, Protobufs, etc.

Bachelor’s degree in computer science or other technical/scientific discipline
● Solid experience with cloud environments like Azure, GCP, AWS
● Proficient with CI/CD tools such as CircleCI, Travis, Jenkins, Ansible, Terraform, Puppet, Chef
● Strong expertise in Serverless architecture, Kubernetes cluster, and service mesh.
● Strong hands-on experience with monitoring tools such as Prometheus
● Ability to program with one or more high-level languages, such as Python, Java, Ruby, and JavaScript
● Familiar with Git
● Experience with performance monitoring and optimization. Ideally worked on large scale e-commerce projects



- Bachelor's or Master’s degree in Computer Science or equivalent area
- 10 to 20 years of experience in software development
- Hands-on experience designing and building B2B or B2C products
- 3+ years architecting SaaS/Web based customer facing products, leading engineering teams as software/technical architect
- Experiences of engineering practices such as code refactoring, microservices, design and enterprise integration patterns, test and design-driven development, continuous integration, building highly scalable applications, application and infrastructure security
- Strong cloud infrastructure experience with AWS and/or Azure
- Experience building event driven systems and working with message queues/topics
- Broad working experience across multiple programming languages and frameworks with in-depth experience in one or more of the following: .Net, Java, Scala or Go-lang
- Hands-on experience with relational databases like SQL Server, PostgreSQL and document stores like Elasticsearch or MongoDB
- Hands-on experience with Big Data processing technologies like Hadoop/Spark is a plus
- Hands-on experience with container technologies like Docker, Kubernetes
- Knowledge of Agile software development process


Location: Bangalore/Pune/Hyderabad/Nagpur
4-5 years of overall experience in software development.
- Experience on Hadoop (Apache/Cloudera/Hortonworks) and/or other Map Reduce Platforms
- Experience on Hive, Pig, Sqoop, Flume and/or Mahout
- Experience on NO-SQL – HBase, Cassandra, MongoDB
- Hands on experience with Spark development, Knowledge of Storm, Kafka, Scala
- Good knowledge of Java
- Good background of Configuration Management/Ticketing systems like Maven/Ant/JIRA etc.
- Knowledge around any Data Integration and/or EDW tools is plus
- Good to have knowledge of using Python/Perl/Shell
Please note - Hbase hive and spark are must.


We have urgent requirement of Data Engineer/Sr Data Engineer for reputed MNC company.
Exp: 4-9yrs
Location: Pune/Bangalore/Hyderabad
Skills: We need candidate either Python AWS or Pyspark AWS or Spark Scala
-
Bachelor’s or master’s degree in Computer Engineering, Computer Science, Computer Applications, Mathematics, Statistics, or related technical field. Relevant experience of at least 3 years in lieu of above if from a different stream of education.
-
Well-versed in and 3+ hands-on demonstrable experience with: ▪ Stream & Batch Big Data Pipeline Processing using Apache Spark and/or Apache Flink.
▪ Distributed Cloud Native Computing including Server less Functions
▪ Relational, Object Store, Document, Graph, etc. Database Design & Implementation
▪ Micro services Architecture, API Modeling, Design, & Programming -
3+ years of hands-on development experience in Apache Spark using Scala and/or Java.
-
Ability to write executable code for Services using Spark RDD, Spark SQL, Structured Streaming, Spark MLLib, etc. with deep technical understanding of Spark Processing Framework.
-
In-depth knowledge of standard programming languages such as Scala and/or Java.
-
3+ years of hands-on development experience in one or more libraries & frameworks such as Apache Kafka, Akka, Apache Storm, Apache Nifi, Zookeeper, Hadoop ecosystem (i.e., HDFS, YARN, MapReduce, Oozie & Hive), etc.; extra points if you can demonstrate your knowledge with working examples.
-
3+ years of hands-on development experience in one or more Relational and NoSQL datastores such as PostgreSQL, Cassandra, HBase, MongoDB, DynamoDB, Elastic Search, Neo4J, etc.
-
Practical knowledge of distributed systems involving partitioning, bucketing, CAP theorem, replication, horizontal scaling, etc.
-
Passion for distilling large volumes of data, analyze performance, scalability, and capacity performance issues in Big Data Platforms.
-
Ability to clearly distinguish system and Spark Job performances and perform spark performance tuning and resource optimization.
-
Perform benchmarking/stress tests and document the best practices for different applications.
-
Proactively work with tenants on improving the overall performance and ensure the system is resilient, and scalable.
-
Good understanding of Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.
-
Well-versed with demonstrable working experience with API Management, API Gateway, Service Mesh, Identity & Access Management, Data Protection & Encryption.
Hands-on experience with demonstrable working experience with DevOps tools and platforms viz., Jira, GIT, Jenkins, Code Quality & Security Plugins, Maven, Artifactory, Terraform, Ansible/Chef/Puppet, Spinnaker, etc.
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Well-versed in AWS and/or Azure or and/or Google Cloud; must demonstrate experience in at least FIVE (5) services offered under AWS and/or Azure or and/or Google Cloud in any categories: Compute or Storage, Database, Networking & Content Delivery, Management & Governance, Analytics, Security, Identity, & Compliance (or) equivalent demonstrable Cloud Platform experience.
-
Good understanding of Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.
-
Good understanding of Network, Data, and Application Security basics which will enable you to work in a Cloud as well as Business Applications / API services environment.

Spark / Scala experience should be more than 2 years.
Combination with Java & Scala is fine or we are even fine with Big Data Developer with strong Core Java Concepts. - Scala / Spark Developer.
Strong proficiency Scala on Spark (Hadoop) - Scala + Java is also preferred
Complete SDLC process and Agile Methodology (Scrum)
Version control / Git

