
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.
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Must Have Skills:
- Overall 10+ years of experience in application development using Golang.
- Experience in designing and developing REST based services / Microservice development.
- Ability to design scalable, robust, and error-tolerant systems.
- Understanding of software architecture and distributed systems.
- Proficient in writing efficient and optimized algorithms under time constraints.
- Skilled in developing solutions that balance performance, readability, and maintainability.
- Ability to effectively communicate coding decisions and rationale during problem-solving discussions.
- Hands-on experience with queuing mechanisms such as Kafka or RabbitMQ.
- Candidates should be adaptable and eager to quickly learn and integrate into the existing tech stack if they lack direct experience.
- Candidate should have good communication skills (written and verbal).
- Experience with delivering projects in an agile environment using SCRUM methodologies.
Good to have:
- Experience to AWS, CI/CD, DevOps.
- Experience using container management tools such as Kubernetes, Docker and Rancher.
- Any one of these data store Cassandra, Postgres, Couchbase, or other NoSQL servers.
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

Job Details
- Job Title: Lead Software Engineer - Java, Python, API Development
- Industry: Global digital transformation solutions provider
- Domain - Information technology (IT)
- Experience Required: 8-10 years
- Employment Type: Full Time
- Job Location: Pune & Trivandrum/ Thiruvananthapuram
- CTC Range: Best in Industry
Job Description
Job Summary
We are seeking a Lead Software Engineer with strong hands-on expertise in Java and Python to design, build, and optimize scalable backend applications and APIs. The ideal candidate will bring deep experience in cloud technologies, large-scale data processing, and leading the design of high-performance, reliable backend systems.
Key Responsibilities
- Design, develop, and maintain backend services and APIs using Java and Python
- Build and optimize Java-based APIs for large-scale data processing
- Ensure high performance, scalability, and reliability of backend systems
- Architect and manage backend services on cloud platforms (AWS, GCP, or Azure)
- Collaborate with cross-functional teams to deliver production-ready solutions
- Lead technical design discussions and guide best practices
Requirements
- 8+ years of experience in backend software development
- Strong proficiency in Java and Python
- Proven experience building scalable APIs and data-driven applications
- Hands-on experience with cloud services and distributed systems
- Solid understanding of databases, microservices, and API performance optimization
Nice to Have
- Experience with Spring Boot, Flask, or FastAPI
- Familiarity with Docker, Kubernetes, and CI/CD pipelines
- Exposure to Kafka, Spark, or other big data tools
Skills
Java, Python, API Development, Data Processing, AWS Backend
Skills: Java, API development, Data Processing, AWS backend, Python,
Must-Haves
Java (8+ years), Python (8+ years), API Development (8+ years), Cloud Services (AWS/GCP/Azure), Database & Microservices
8+ years of experience in backend software development
Strong proficiency in Java and Python
Proven experience building scalable APIs and data-driven applications
Hands-on experience with cloud services and distributed systems
Solid understanding of databases, microservices, and API performance optimization
Mandatory Skills: Java API AND AWS
******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: Pune, Trivandrum
The Sr. Analytics Engineer would provide technical expertise in needs identification, data modeling, data movement, and transformation mapping (source to target), automation and testing strategies, translating business needs into technical solutions with adherence to established data guidelines and approaches from a business unit or project perspective.
Understands and leverages best-fit technologies (e.g., traditional star schema structures, cloud, Hadoop, NoSQL, etc.) and approaches to address business and environmental challenges.
Provides data understanding and coordinates data-related activities with other data management groups such as master data management, data governance, and metadata management.
Actively participates with other consultants in problem-solving and approach development.
Responsibilities :
Provide a consultative approach with business users, asking questions to understand the business need and deriving the data flow, conceptual, logical, and physical data models based on those needs.
Perform data analysis to validate data models and to confirm the ability to meet business needs.
Assist with and support setting the data architecture direction, ensuring data architecture deliverables are developed, ensuring compliance to standards and guidelines, implementing the data architecture, and supporting technical developers at a project or business unit level.
Coordinate and consult with the Data Architect, project manager, client business staff, client technical staff and project developers in data architecture best practices and anything else that is data related at the project or business unit levels.
Work closely with Business Analysts and Solution Architects to design the data model satisfying the business needs and adhering to Enterprise Architecture.
Coordinate with Data Architects, Program Managers and participate in recurring meetings.
Help and mentor team members to understand the data model and subject areas.
Ensure that the team adheres to best practices and guidelines.
Requirements :
- Strong working knowledge of at least 3 years of Spark, Java/Scala/Pyspark, Kafka, Git, Unix / Linux, and ETL pipeline designing.
- Experience with Spark optimization/tuning/resource allocations
- Excellent understanding of IN memory distributed computing frameworks like Spark and its parameter tuning, writing optimized workflow sequences.
- Experience of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., Redshift, Bigquery, Cassandra, etc).
- Familiarity with Docker, Kubernetes, Azure Data Lake/Blob storage, AWS S3, Google Cloud storage, etc.
- Have a deep understanding of the various stacks and components of the Big Data ecosystem.
- Hands-on experience with Python is a huge plus
· Core responsibilities to include analyze business requirements and designs for accuracy and completeness. Develops and maintains relevant product.
· BlueYonder is seeking a Senior/Principal Architect in the Data Services department (under Luminate Platform ) to act as one of key technology leaders to build and manage BlueYonder’ s technology assets in the Data Platform and Services.
· This individual will act as a trusted technical advisor and strategic thought leader to the Data Services department. The successful candidate will have the opportunity to lead, participate, guide, and mentor other people in the team on architecture and design in a hands-on manner. You are responsible for technical direction of Data Platform. This position reports to the Global Head, Data Services and will be based in Bangalore, India.
· Core responsibilities to include Architecting and designing (along with counterparts and distinguished Architects) a ground up cloud native (we use Azure) SaaS product in Order management and micro-fulfillment
· The team currently comprises of 60+ global associates across US, India (COE) and UK and is expected to grow rapidly. The incumbent will need to have leadership qualities to also mentor junior and mid-level software associates in our team. This person will lead the Data platform architecture – Streaming, Bulk with Snowflake/Elastic Search/other tools
Our current technical environment:
· Software: Java, Springboot, Gradle, GIT, Hibernate, Rest API, OAuth , Snowflake
· • Application Architecture: Scalable, Resilient, event driven, secure multi-tenant Microservices architecture
· • Cloud Architecture: MS Azure (ARM templates, AKS, HD insight, Application gateway, Virtue Networks, Event Hub, Azure AD)
· Frameworks/Others: Kubernetes, Kafka, Elasticsearch, Spark, NOSQL, RDBMS, Springboot, Gradle GIT, Ignite
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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.
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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.
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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.
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In-depth knowledge of standard programming languages such as Scala and/or Java.
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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.
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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.
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Practical knowledge of distributed systems involving partitioning, bucketing, CAP theorem, replication, horizontal scaling, etc.
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Passion for distilling large volumes of data, analyze performance, scalability, and capacity performance issues in Big Data Platforms.
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Ability to clearly distinguish system and Spark Job performances and perform spark performance tuning and resource optimization.
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Perform benchmarking/stress tests and document the best practices for different applications.
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Proactively work with tenants on improving the overall performance and ensure the system is resilient, and scalable.
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Good understanding of Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.
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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.
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Good understanding of Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.
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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.
This is FTE Position
Client: Anblicks
Need Immediate joiners (1 week is fine)
Position : Backend Developer(NodeJs ,MongoDB & AWS)
Experience : 3-6 Years
Location : Ahmedabad / Hyderabad
- API Development 3 + years
- Node.JS (3 Years minimum)
- JavaScript
- AWS Lambda
- AWS API Gateway
- AWS Cognito
- MongoDB
- Front-end React (Plus as primary need is for API Development)
- Data Modelling Knowledge
- Need to provide sample code
Strong Hands-on experience in React using API development and Mongo DB is mandatory.








