FreeHire

Wissen Technology

SQL Engineer +Python

Show

Wissen Technology is Hiring for<\/b><\/span><\/span><\/span><\/span> SQL Engineer +Python<\/b><\/span><\/span><\/span>
<\/span><\/span><\/p><\/div>

<\/span><\/span>
<\/span><\/span><\/p><\/div>

About Wissen Technology:<\/b> <\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/p><\/div>

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\u2014ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with <\/span>2000+ employees<\/span> across offices in the<\/span> US, UK, UAE, India, <\/span>and <\/span>Australia<\/span>. Our commitment to excellence translates into delivering <\/span>2X<\/span> impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, <\/span>cutting\-edge<\/span> technology <\/span>expertise<\/span>, and a relentless focus on quality. We <\/span>don\u2019t<\/span> just meet expectations\u2014we exceed them by ensuring faster time\-to\-market, reduced rework, and greater alignment with client <\/span>objectives<\/span>. We have a proven <\/span>track record<\/span> 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 <\/span>provide<\/span> <\/span>clients with<\/span> 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 t<\/span>ale<\/span>nt<\/span>. <\/span>Our mission is clear: to be the partner of choice for building world\-class custom products that deliver exceptional impact\u2014the first time, every time.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/p><\/div>

<\/span><\/span><\/span>
<\/span><\/span><\/p><\/div>

Job Summary<\/b><\/span><\/span><\/span>:<\/b><\/span> <\/b><\/span><\/span><\/span>Wissen Technology is hiring a SQL Engineer with strong <\/span>expertise<\/span> in Python and SQL to design, develop, and <\/span>optimize<\/span> data pipelines and database processes for large\-scale, performance\-intensive applications.<\/span><\/span><\/span> <\/span><\/span>
<\/span><\/span><\/p><\/div>

<\/span><\/span>
<\/span><\/span><\/p><\/div>

Experience:<\/b> <\/span><\/span>8<\/span><\/span><\/span>\-1<\/span><\/span>6<\/span><\/span> Years<\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span><\/span><\/p><\/div>

Location:<\/b><\/span><\/span><\/span> <\/span>Mumbai / Pune<\/span><\/span><\/span> <\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/p><\/div>

Mode of Work<\/b><\/span><\/span><\/span>:<\/b><\/span> <\/span><\/span><\/span>Full time<\/span><\/span><\/span> <\/span><\/span>
<\/span><\/span><\/p><\/div>

<\/span><\/span>
<\/span><\/span><\/p><\/div>

Key <\/b><\/span>Responsibilities:<\/b><\/span><\/span><\/span> <\/b><\/span><\/span>
<\/span><\/span><\/p>

  • Develop, optimize, and maintain complex SQL queries, stored procedures, triggers, and packages (Oracle / SQL Server).<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Write high\-quality PL/SQL code for performance\-intensive applications.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Perform query tuning using execution plan analysis, statistics review, and optimizer hints.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Apply strong understanding of database internals \u2014 indexing strategies, caching, buffer pools, memory management.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Implement partitioning, sharding, and parallel query execution techniques for large datasets.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Build and optimize ETL/ELT pipelines for large\-scale batch and streaming data processing.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Improve data ingestion, transformation, and consumption efficiency across systems.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Collaborate with trading, finance, risk, and operations teams to ensure data quality and usability.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Conduct detailed performance profiling using AWR, ASH, OEM, Query Store, and EXPLAIN PLAN.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Identify system bottlenecks and implement tuning strategies across applications, databases, and pipelines.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Execute load testing and benchmarking using Python, JMeter, or similar tools.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Develop Python scripts and utilities for automation, performance testing, data validation, and pipeline orchestration.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li>
  • Integrate Python applications with databases, APIs, and internal systems.<\/span><\/span><\/span> <\/span><\/span>
    <\/span><\/li><\/ul>

    <\/span><\/span>
    <\/span><\/span><\/p><\/div>

    <\/span><\/span>
    <\/span><\/span><\/p><\/div>

    <\/span><\/span>
    <\/span><\/span><\/p><\/div>

    Requirements:<\/b><\/span><\/span><\/span><\/span> <\/b><\/span><\/span><\/span>
    <\/span><\/span><\/p>

    • Strong proficiency in SQL (Oracle / SQL Server).<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li>
    • Advanced experience in PL/SQL for stored procedures, triggers, and packages.<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li>
    • Solid Python programming experience.<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li>
    • Hands\-on experience with query tuning, execution plan analysis, and optimizer hints.<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li>
    • Strong understanding of database internals (indexes, caching, buffer pools, memory management).<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li>
    • Experience in performance profiling tools (AWR, ASH, OEM, EXPLAIN PLAN, Query Store).<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li>
    • Familiarity with ETL/ELT pipeline optimization (batch vs. stream processing).<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li>
    • Knowledge of partitioning, sharding, and parallel query execution strategies.<\/span><\/span><\/span> <\/span><\/span>
      <\/span><\/li><\/ul>

      <\/span><\/span>
      <\/span><\/span><\/p><\/div>

      <\/span><\/span><\/span>
      <\/span><\/span><\/p><\/div>

      Good To Have Sk<\/b><\/span>ills:<\/b><\/span><\/span><\/span><\/span> <\/b><\/span><\/span><\/span>
      <\/span><\/span><\/p>

      • Experience with cloud platforms (AWS, Azure, GCP).<\/span><\/span><\/span> <\/span><\/span>
        <\/span><\/li>
      • Familiarity with containerization tools like Docker and orchestration using Kubernetes.<\/span><\/span><\/span> <\/span><\/span>
        <\/span><\/li>
      • Exposure to big data technologies and <\/span>distribution<\/span> systems<\/span><\/span><\/span>.<\/span><\/span><\/span> <\/span><\/span>
        <\/span><\/li><\/ul>

        <\/span><\/span>
        <\/span><\/span><\/p><\/div>

        Wissen Sites:<\/b><\/span><\/span><\/span><\/span> <\/b><\/span><\/span><\/span>
        <\/span><\/span><\/p><\/div>

        Website: <\/span><\/span><\/span>www.wissen.com<\/span><\/u><\/span><\/span><\/span><\/a> <\/span><\/span><\/span> <\/span><\/span>
        <\/span><\/span><\/p><\/div>

        LinkedIn: <\/span><\/span><\/span>https://www.linkedin.com/company/wissen\-technology<\/span><\/u><\/span><\/span><\/span><\/a> <\/span><\/span><\/span> <\/span><\/span>
        <\/span><\/span><\/p><\/div>

        Wissen Leadership: <\/span><\/span><\/span>https://www.wissen.com/company/leadership\-team/<\/span><\/u><\/span><\/span><\/span><\/a> <\/span><\/span><\/span> <\/span><\/span>
        <\/span><\/span><\/p><\/div>

        Wissen Live: <\/span><\/span><\/span>https://www.linkedin.com/company/wissen\-technology/posts/feedView=All<\/span><\/u><\/span><\/span><\/span><\/a> <\/span><\/span><\/span> <\/span>
        <\/span><\/span>Wissen <\/span>Thought<\/span> Leadership: <\/span><\/span><\/span>https://www.wissen.com/articles/<\/span><\/u><\/span><\/span><\/span><\/a> <\/span><\/span><\/span> <\/span><\/span><\/span><\/span><\/p><\/div>

        <\/span><\/span>
        <\/span><\/span><\/p><\/div>

        <\/span><\/span><\/span>
        <\/span><\/span><\/p><\/div>


        <\/div><\/span>