Data Lake Engineer

Wissen Technology is hiring for Data Engineer

About Wissen Technology:At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary:Wissen Technology is hiring a Data Engineer with a strong background in Python, data engineering, and workflow optimization. The ideal candidate will have experience with Delta Tables, Parquet, and be proficient in Pandas and PySpark.

Experience:7+ years

Location:Pune, Mumbai, Bangalore

Mode of Work:Hybrid

Key Responsibilities:

• Develop and maintain data pipelines using Python (Pandas, PySpark).
• Optimize data workflows and ensure efficient data processing.
• Work with Delta Tables and Parquet for data storage and management.
• Collaborate with cross-functional teams to understand data requirements and deliver solutions.
• Ensure data quality and integrity throughout the data lifecycle.
• Implement best practices for data engineering and workflow optimization.

Qualifications and Required Skills:

• Proficiency in Python, specifically with Pandas and PySpark.
• Strong experience in data engineering and workflow optimization.
• Knowledge of Delta Tables and Parquet.
• Excellent problem-solving skills and attention to detail.
• Ability to work collaboratively in a team environment.
• Strong communication skills.

Good to Have Skills:

• Experience with Databricks.
• Knowledge of Apache Spark, DBT, and Airflow.
• Advanced Pandas optimizations.
• Familiarity with PyTest/DBT testing frameworks.

Wissen Sites:

• Website: http://www.wissen.com
• LinkedIn: https://www.linkedin.com/company/wissen-technology
• Wissen Leadership: https://www.wissen.com/company/leadership-team/
• Wissen Live: https://www.linkedin.com/company/wissen-technology/posts/feedView=All
• Wissen Thought Leadership: https://www.wissen.com/articles/

Wissen | Driving Digital Transformation

A technology consultancy that drives digital innovation by connecting strategy and execution, helping global clients to strengthen their core technology.

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai

Experience - 4 to 10 years

Kindly revert over mail if you are interested.

Java Developer – Job Description

We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.

Key Responsibilities

• Design and develop robust backend services and APIs primarily using Java (Spring Boot)
• Contribute to Python-based components where needed for automation, scripting, or lightweight services
• Build, integrate, and optimize RESTful APIs and microservices
• Work with relational and NoSQL databases
• Write unit and integration tests (JUnit, PyTest)
• Collaborate closely with DevOps, QA, and product teams
• Participate in architecture reviews and design discussions
• Help maintain code quality, organization, and automation

Required Skills & Qualifications

• 4 to 10 years of hands-on Java development experience
• Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
• At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
• Familiarity with Python frameworks like Flask or FastAPI is a plus
• Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Good understanding of OOP, design patterns, and software engineering best practices
• Familiarity with Docker, Git, and CI/CD pipelines

Job Description:

You will be working with a team of highly-motivated, young & dynamic teams of engineers & reporting to the Engineering Lead.

• Be honest, reliable & consistent
• Write efficient & clean code
• Have a strong sense of ownership
• Be a part of development & maintenance of Pluang web app, Operations dashboard and other 3rd party products we own
• Contribute to improving the quality of engineering process & engineering culture

• Strong in data structure and algorithms
• Experience in Node.js, Express, API Design & DOM
• Understanding of component based design or other design patterns
• Experience with unit testing, integration testing & continuous integration
• RDBMS and NoSQL databases preferably PostgreSQL, MongoDB
• Good to have passion for investing

• Attractive compensation package - competitive salary, flexible bonus scheme.
• We are always looking for ways to promote and inspire innovation.
• Individual career path - management and technical career growth, enhanced by learning and development program, regular performance assessment, teams of multi-national IT professionals.
• Healthy work environment - company-sponsored medical program, food, and beverage program, open communication.
• Friendly policies to support Work-life balance, team building, and celebrations.

• Partner with hiring managers to ensure pre-determined SLA’s and take ownership of identifying and engaging with potential future Colt employees across multiple geographies.

• Contribute ideas toward Colts online presence and brand awareness across relevant social media platforms and Colts website

• Define and coach on best practice to ensure a market-leading candidate/stakeholder experience

  • Demonstrable track record of successfully recruiting within sales and/or technology in an agency or in-house environment within your specialist territory

  • Ability to craft compelling role profiles and job adverts

  • Super user of LinkedIn, Xing; Facebook, Glassdoor & Twitter (plus other regional sites as appropriate)

  • Composed under pressure with the ability to multi-task

  • Results orientated with high levels of commitment, resilience and a can-do attitude

  • Solid commercial business acumen
    

    • Consistently positive feedback from candidates and hiring managers based on an exceptional and seamless experience

    • Keep abreast of market trends in recruitment innovation and suggest adoption of suitable solutions that can contribute towards Colts wider hiring strategy

    • 3-6 Years exp

    • Technical Recruitment Exp in domains like as Data Science, Cyber Security/ Infra Security, Software Testing, Application Developers

    For skills such as Java /Fullstak, Python, EMC Smarts, Webmothds SAP (FICO, HCM, SCM, PS), OSS/BSS, BI Architect, IT Architects.
    
    

    • Graduate/Post Graduate

    • Good understanding & Experience around Job Portals/sites

    Role title:	Senior Analyst/Lead Analyst, Talent Acquisition
    Colt Level:	Contractor
    Function:	Human Resource
    Reports to:	Manager Recruitment
    Location:	Gurgaon/ Bangalore

     

     

   

• Strong analytical skills -ability to understand and analyze business requirements.
• Excellent problem solving and communication skills.
• Strong sense of teamwork, personal integrity, responsibility, and accountability
• Experience working with demanding deadlines, high workload, and some degree of conflicting priorities
• Able to learn quickly with minimal supervision
• Should have extensive knowledge of Software Development Life Cycle (SDLC) and Software Testing Life Cycle (STLC) Methodologies and processes
• Must have experience in Functional Testing, Integration Testing, User Acceptance Testing (UAT), Performance Testing, Portal Testing, Translation Testing, Usability Testing
• Must have experience is writing test cases and test strategies based on the customer requirements
• Minimum 3 years to maximum 6 years of SAP Functional Testing experience
• Experience in independently solving Business problems related to Testing and able to drive continuous improvement in Testing space
• Able to bring in Industry Best Practices and arrive at Strategies to benchmark and drive the maturity of Testing Processes
• Experience in Test Management using JIRA
• Experience in Preparation, Execution, Validation, Documentation of Test Processes
• Define, manage and create test data for Demo systems
• Experience in interface testing between SAP & non-SAP applications is needed for specific customers
• Functional knowledge in SAP PM, SAP PLM, SAP MM and SAP ISU will be a plus
• Experience with SAP Mobile Platform is a plus
• Experience of automation test tools will be an added advantage
• Experience in eCATT is a plus
• Experience in setting up Demo data is a plus
• Experience in working with LSMW is a plus