
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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Job Type: Full Time
Shift: US Time Zone
About the Role:
We are seeking a talented Senior Python Developer with strong hands-on experience in building agentic systems (multi-agent systems). This role requires expertise in Python, PostgreSQL, and the ability to work on a dynamic platform that supports multi-agent architectures. You will be responsible for developing, enhancing, and maintaining platforms that involve complex agent-based interactions, while also supporting the database systems and overall infrastructure.
Key Responsibilities:
Design, implement, and maintain multi-agent systems to support complex interactions and decision-making processes.
Develop scalable and efficient Python code for integrating and managing agents and their communication layers.
Work extensively with PostgreSQL databases to design schemas, optimize queries, and manage data storage effectively.
Collaborate with cross-functional teams to integrate agentic systems into larger platforms and ensure their smooth operation.
Troubleshoot, debug, and optimize Python-based solutions and database interactions.
Write high-quality, maintainable, and well-documented code.
Provide technical support for the platform, ensuring its scalability and performance over time.
Mentor junior developers and provide technical guidance as needed.
Required Skills and Experience:
5+ years of strong hands-on experience in Python development.
Experience in building and deploying multi-agent systems or agent-based frameworks.
Proficiency in PostgreSQL, including schema design, query optimization, and database management.
Knowledge of agent-based modeling or similar paradigms is highly desirable.
Familiarity with various Python libraries for handling complex algorithms and system integration.
Experience in supporting and maintaining platforms or systems post-deployment.
Strong understanding of software development best practices and version control (Git).
Excellent problem-solving skills and the ability to think algorithmically.
Strong communication skills with the ability to explain complex technical concepts.
Preferred Qualifications:
A degree in Computer Science, Engineering, or a related field.
Experience with cloud platforms (AWS, Azure, etc.) is a plus.
Knowledge of agent communication languages (ACL) or other protocols related to multi-agent systems is beneficial.
Familiarity with Docker, Kubernetes, or other containerization tools.
Mandatory (Experience 1) - Must have a minimum 4+ years of experience in backend software development.
Mandatory (Experience 2) -Must have 4+ years of experience in backend development using Python (Highly preferred), Java, or Node.js.
Mandatory (Experience 3) - Must have experience with Cloud platforms like AWS (highly preferred), gcp or azure
Mandatory (Experience 4) - Must have Experience in any databases - MySQL / PostgreSQL / Postgres / Oracle / SQL Server / DB2 / SQL / MongoDB / Ne
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.
Level of skills and experience:
5 years of hands-on experience in using Python, Spark,Sql.
Experienced in AWS Cloud usage and management.
Experience with Databricks (Lakehouse, ML, Unity Catalog, MLflow).
Experience using various ML models and frameworks such as XGBoost, Lightgbm, Torch.
Experience with orchestrators such as Airflow and Kubeflow.
Familiarity with containerization and orchestration technologies (e.g., Docker, Kubernetes).
Fundamental understanding of Parquet, Delta Lake and other data file formats.
Proficiency on an IaC tool such as Terraform, CDK or CloudFormation.
Strong written and verbal English communication skill and proficient in communication with non-technical stakeholderst
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
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.
Responsibilities:
• As a Senior Backend Engineer, you will design, implement and build server-side components that run seamlessly on the Tickertape product which is loved and used by millions of investors every day.
• You will partner with other engineers to build high-performance REST & WebSocket APIs to power our frontend experiences.
• Influences best practices in the team.
• Perform data analysis and troubleshoot technical issues with platforms, performance, data discrepancies.
Requirements:
• 5 - 7 years of experience
• Good programming skills with any of the programming languages like Go, Javascript/Typescript (Nodejs)
• A good understanding of RDBMS(PostgreSQL), NoSQL systems(Mongo, Elasticsearch), Time series DB(Influx, Timescale), Queuing Systems(Kafka, SQS), caching technologies(Redis), and cloud technologies(AWS) is a must
• Web development concepts - basics of REST APIs, server architecture
• Extremely good at problem-solving, interest in building things from scratch, and is a self-learner.
• Good team player and ability to collaborate with others.
• Interest (and/or experience) in the financial/stock market space - interest trumps experience
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









