
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.
Job Title: Senior Software Engineer (P3)
Experience: 5–8 Years
Location: Pune / Chennai / Kolkata / Bhubaneswar
Compensation: Up to 24 LPA
Job Description:
We are looking for a skilled Software Engineer with strong backend development experience in Java and Spring Boot. The candidate will be responsible for building scalable microservices and REST APIs while working in a collaborative agile environment.
Key Responsibilities:
- Develop and maintain backend services using Java & Spring Boot
- Build and consume REST APIs
- Work on microservices architecture
- Implement event-driven systems using Kafka
- Handle database operations using JPA/Hibernate
- Collaborate with frontend teams (Angular)
- Ensure code quality, performance, and scalability
- Participate in code reviews and debugging
Required Skills:
- Strong knowledge of Java & Spring Boot
- Experience with Microservices
- Hands-on experience with REST APIs
- Familiarity with Kafka
- Knowledge of JPA/Hibernate
- Basic exposure to Angular
- Understanding of AI tools / Prompt Engineering (nice to have)
Education:
- BE / B.Tech
Notice Period:
- Immediate to May joiners preferred
Job Title: Python Developer (Full Time)
Location: Hyderabad (Onsite)
Interview: Virtual and Face to Face Interview (Last round)
Experience Required: 4 + Years
Working Days: 5 Days
About the Role
We are seeking a highly skilled Lead Python Developer with a strong background in building scalable and secure applications. The ideal candidate will have hands-on expertise in Python frameworks, API integrations, and modern application architectures. This role requires a tech leader who can balance innovation, performance, and compliance while driving successful project delivery.
Key Responsibilities
- Application Development
- Architect and develop robust, high-performance applications using Django, Flask, and FastAPI.
- API Integration
- Design and implement seamless integration with third-party APIs (including travel-related APIs, payment gateways, and external service providers).
- Data Management
- Develop and optimize ETL pipelines for structured and unstructured data using data lakes and distributed storage solutions.
- Microservices Architecture
- Build modular, scalable applications using microservices principles for independent deployment and high availability.
- Performance Optimization
- Enhance application performance through load balancing, caching, and query optimization to deliver superior user experiences.
- Security & Compliance
- Apply secure coding practices, implement data encryption, and ensure compliance with industry security and privacy standards (e.g., PCI DSS, GDPR).
- Automation & Deployment
- Utilize CI/CD pipelines, Docker/Kubernetes, and monitoring tools for automated testing, deployment, and production monitoring.
- Collaboration
- Partner with front-end developers, product managers, and stakeholders to deliver user-centric, business-aligned solutions.
Requirements
Education
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
Technical Expertise
- 4+ years of hands-on experience with Python frameworks (Django, Flask, FastAPI).
- Proficiency in RESTful APIs, GraphQL, and asynchronous programming.
- Strong knowledge of SQL/NoSQL databases (PostgreSQL, MongoDB) and big data tools (Spark, Kafka).
- Familiarity with Kibana, Grafana, Prometheus for monitoring and visualization.
- Experience with AWS, Azure, or Google Cloud, containerization (Docker, Kubernetes), and CI/CD tools (Jenkins, GitLab CI).
- Working knowledge of testing tools: PyTest, Selenium, SonarQube.
- Experience with API integrations, booking flows, and payment gateway integrations (travel domain knowledge is a plus, but not mandatory).
Soft Skills
- Strong problem-solving and analytical skills.
- Excellent communication, presentation, and teamwork abilities.
- Proactive, ownership-driven mindset with the ability to perform under pressure.
Hands-on experience with Spark and SQL
Good to have java knowledge
- 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
Cloudera Data Warehouse Hive team looking for a passionate senior developer to join our growing engineering team. This group is targeting the biggest enterprises wanting to utilize Cloudera’s services in a private and public cloud environment. Our product is built on open source technologies like Hive, Impala, Hadoop, Kudu, Spark and so many more providing unlimited learning opportunities.
A Day in the Life
Over the past 10+ years, Cloudera has experienced tremendous growth making us the leading contributor to Big Data platforms and ecosystems and a leading provider for enterprise solutions based on Apache Hadoop. You will work with some of the best engineers in the industry who are tackling challenges that will continue to shape the Big Data revolution. We foster an engaging, supportive, and productive work environment where you can do your best work. The team culture values engineering excellence, technical depth, grassroots innovation, teamwork, and collaboration.
You will manage product development for our CDP components, develop engineering tools and scalable services to enable efficient development, testing, and release operations. You will be immersed in many exciting, cutting-edge technologies and projects, including collaboration with developers, testers, product, field engineers, and our external partners, both software and hardware vendors.
Opportunity:
Cloudera is a leader in the fast-growing big data platforms market. This is a rare chance to make a name for yourself in the industry and in the Open Source world. The candidate will responsible for Apache Hive and CDW projects. We are looking for a candidate who would like to work on these projects upstream and downstream. If you are curious about the project and code quality you can check the project and the code at the following link. You can start the development before you join. This is one of the beauties of the OSS world.
https://hive.apache.org/" target="_blank">Apache Hive
Responsibilities:
-
Build robust and scalable data infrastructure software
-
Design and create services and system architecture for your projects
-
Improve code quality through writing unit tests, automation, and code reviews
-
The candidate would write Java code and/or build several services in the Cloudera Data Warehouse.
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Worked with a team of engineers who reviewed each other's code/designs and held each other to an extremely high bar for the quality of code/designs
-
The candidate has to understand the basics of Kubernetes.
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Build out the production and test infrastructure.
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Develop automation frameworks to reproduce issues and prevent regressions.
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Work closely with other developers providing services to our system.
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Help to analyze and to understand how customers use the product and improve it where necessary.
Qualifications:
-
Deep familiarity with Java programming language.
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Hands-on experience with distributed systems.
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Knowledge of database concepts, RDBMS internals.
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Knowledge of the Hadoop stack, containers, or Kubernetes is a strong plus.
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Has experience working in a distributed team.
-
Has 3+ years of experience in software development.
Your Opportunity
- Own and drive business features into tech requirements
- Design & develop large scale real time server side systems
- Quickly create quality prototypes
- Staying updated on emerging technologies
- Ensuring that all deliverables adhere to our world class standards
- Promote coding best practices
- Mentor and develop junior developers in the team
Required Experience:
- 4+ years of relevant experience as described below
- Excellent grasp of Core Java, Multi Threading and OO design patterns
- Experience with Scala, functional, reactive programming and Akka/Play is a plus
- Excellent understanding of data structures and algorithms
- Solid grasp of large scale distributed real time systems
- Prior experience on building a scalable and resilient micro service
- Solid understanding of relational databases, NoSQL databases and Caching systems
- Good understanding of Big Data technologies such as Spark, Hadoop is a plus
- Experience on one of AWS, Azure or GCP
Who you are :
- You have excellent and effective communication and collaborative skills
- You love problem solving
- You stay up to date with the latest technologies and then apply them in real life
- You love paying attention to detail
- You thrive in meeting tight deadlines and prioritising workloads
- Ability to collaborate across multiple functions
Education:
Bachelor’s degree in Engineering or equivalent experience within the field








