Talent.com
Big Data and SQL Developer
Big Data and SQL DeveloperCiti • Mississauga, Peel Region, CA
Big Data and SQL Developer

Big Data and SQL Developer

Citi • Mississauga, Peel Region, CA
13 hours ago
Job type
  • Full-time
Job description

Overview

The Big Data and SQL Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Responsibilities

This role balances hands-on technical work with strategic influence, mentorship, and vital stakeholder engagement :

Technical Design & Implementation (60-70%)

  • Architecture & Design : Lead the design and implementation of highly scalable, robust, and performant Big Data solutions, including data warehouses, streaming platforms, and analytical systems.
  • Hands-on Development : Write high-quality, production-ready code for complex data pipelines, processing frameworks, and analytical tools using languages like Scala, Python, or Java.
  • Performance Optimization : Drive performance tuning, troubleshooting, and optimization of Big Data applications and infrastructure.
  • Technical Problem Solving : Act as a go-to expert for resolving complex technical challenges across the Big Data ecosystem.
  • Innovation : Research, evaluate, and integrate new Big Data technologies and tools to enhance existing platforms and capabilities.
  • Best Practices : Champion and enforce engineering best practices, including code quality, testing, CI / CD, and documentation.

Technical Leadership & Mentorship (15-20%)

  • Technical Guidance : Provide technical leadership and guidance to multiple engineering teams, ensuring alignment with architectural principles and strategic goals.
  • Mentorship : Mentor senior and junior engineers, fostering their technical growth, problem-solving skills, and adherence to best practices.
  • Code Review & Quality Assurance : Lead comprehensive code reviews, ensuring high standards of code quality, efficiency, and maintainability.
  • Strategic Input : Contribute significantly to the Big Data strategy and roadmap, influencing technical decisions and long-term planning.
  • Knowledge Sharing : Drive initiatives for knowledge sharing, technical documentation, and community building within the Big Data engineering group.
  • Recruitment Support : Participate in interviewing and evaluating senior technical candidates.
  • Stakeholder Management & Client Engagement

  • Client & Business Partner Liaison : Act as a key technical liaison between the Big Data engineering team and internal business units, product managers, and clients.
  • Requirements Gathering : Proactively engage with stakeholders to understand business requirements, pain points, and opportunities, translating them into clear, actionable technical specifications and data solutions.
  • Technical Consultation : Provide expert technical consultation and guidance to clients and business partners on Big Data capabilities, limitations, and potential solutions.
  • Query Resolution : Assist clients and internal stakeholders with complex data queries, troubleshooting data discrepancies, and providing insights derived from Big Data platforms.
  • Communication : Effectively communicate complex technical concepts, project progress, risks, and solutions to non-technical audiences, ensuring transparency and alignment.
  • Cross-Functional Collaboration : Collaborate seamlessly with other teams (e.g., architecture, data sourcing) to ensure end-to-end delivery and support of data-driven initiatives.
  • Leadership, Communication & Interpersonal Skills

  • Exceptional problem-solving and analytical skills, with the ability to tackle highly complex technical and business challenges.
  • Strong architectural thinking and the ability to design solutions that are scalable, maintainable, and resilient.
  • Excellent verbal and written communication skills, with a proven ability to tailor technical explanations to diverse audiences, from engineers to senior business stakeholders and external clients.
  • Demonstrated ability to build consensus, manage expectations, and influence outcomes with various stakeholders.
  • Experience in mentoring and coaching other engineers.
  • Proactive, self-motivated, and able to work effectively in a fast-paced, agile environment, often juggling multiple priorities.
  • Qualifications

  • 6+ years of progressive experience in software engineering, specifically focused on designing, building, and optimizing large-scale Big Data systems.
  • Proven track record as a lead or principal engineer on significant data initiatives, demonstrating ability to drive technical projects from conception to deployment.
  • Significant experience in client-facing or business partner-facing roles, with a proven ability to manage expectations, resolve issues, and build strong relationships.
  • Experience in the financial services domain – Liquidity Management, Liquidity Stress Modelling, should be well verse with Markets terminologies. Also, experience with large data volumes, real-time processing, and stringent data quality / security requirements.
  • Deep Technical Proficiency

  • Core Big Data Frameworks : Expert-level proficiency with Apache Spark (Spark SQL, Spark Streaming, PySpark / Scala Spark), Hadoop ecosystem (HDFS, YARN).
  • Programming Languages : Expert in Scala, Python, or Java, with experience in developing robust, high-performance data processing applications.
  • Data Warehousing / Lakes : Deep understanding and practical experience with data warehouse models, and relevant technologies (e.g., Delta Lake, Iceberg, Parquet).
  • Databases : Strong proficiency in SQL; experience with NoSQL databases (e.g., Cassandra, MongoDB) is a plus.
  • DevOps & MLOps : Experience with CI / CD pipelines (e.g., Jenkins, GitLab CI), infrastructure as code (e.g., Terraform), containerization (Docker, Kubernetes / OpenShift), and monitoring tools. Familiarity with MLOps principles for data science workflows. Data Governance & Security : Solid understanding of data governance, data quality, data lineage, and data security principles in a Big Data environment.
  • Education

  • Bachelor’s degree / University degree or equivalent experience
  • Master’s degree preferred
  • Job Family Group : Technology

    Job Family : Applications Development

    Time Type : Full time

    Primary Location Full Time Salary Range : $120,800.00 - $170,800.00

    Most Relevant Skills

    Please see the requirements listed above.

    Other Relevant Skills For complementary skills, please see above and / or contact the recruiter.

    Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate\'s skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

    Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

    This job opening is for an existing job vacancy.

    Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

    If you are a person with a disability and need a reasonable accommodation to use our search tools and / or apply for a career opportunity review Accessibility at Citi.

    View Citi’s EEO Policy Statement and the Know Your Rights poster.

    #J-18808-Ljbffr

    Create a job alert for this search

    Big Data and SQL Developer • Mississauga, Peel Region, CA

    Similar jobs
    Data Architect (Azure)

    Data Architect (Azure)

    goeasy • Mississauga, ON, Canada
    Full-time
    Join one of Canada’s fastest-growing companies and be part of something extraordinary – welcome to .At goeasy, our people and culture are at the heart of everything we do,...Show more
    Last updated: 30+ days ago • Promoted
    FULL STACK DEVELOPER

    FULL STACK DEVELOPER

    Finlink Group • Maple, ON, Canada
    Full-time
    Full Stack Developer (C# / React).Are you a hands-on Full Stack Developer who enjoys building real products used by real people, at serious scale? We’re supporting a growing tech team that&rs...Show more
    Last updated: 6 days ago • Promoted
    EMS / SCADA Engineer

    EMS / SCADA Engineer

    Pacer Group • burlington, ON, ca
    Full-time
    Required Skills : 5+ years of work experience in customizing and delivering Network or Transmission Application preferably Reliance. LINUX and Windows Operating Systems <...Show more
    Last updated: 5 days ago • Promoted
    Senior Accountant

    Senior Accountant

    Vaco by Highspring • King City, ON, CA
    Full-time
    Reconcile intercompany accounts to ensure accuracy, completeness, and timely resolution of discrepancies.Review intercompany transactions for proper counterparty identification and ensure accurate ...Show more
    Last updated: 30+ days ago • Promoted
    Statistics Private Tutoring Jobs Bond Head

    Statistics Private Tutoring Jobs Bond Head

    Superprof • Bond Head, Canada
    Full-time +1
    Superprof is Canada's #1 tutoring platform, and we're actively recruiting passionate tutors! Whether you're a student, a professional, or simply someone who loves teaching, join the largest communi...Show more
    Last updated: 30+ days ago • Promoted
    Big Data and SQL Developer

    Big Data and SQL Developer

    PowerToFly • Mississauga
    Full-time
    The Big Data and SQL Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team.The ...Show more
    Last updated: 13 days ago • Promoted
    Data Modeler - Hays

    Data Modeler - Hays

    Hays • mississauga, on, ca
    Full-time
    Java, SQL, Python (ETL scripting with pandas, polars, PySpark, ibis).We are looking for an experienced.The ideal candidate will have strong hands-on expertise in. ETL / ELT development, scripting.This...Show more
    Last updated: 2 days ago • Promoted
    Senior Clinical Data Manager - oakville

    Senior Clinical Data Manager - oakville

    Barrington James • oakville, on, ca
    Full-time
    Senior Clinical Data Manager - CRO - Remote.Barrington James is proud to partner with a highly respected well established CRO client, seeking an experienced Senior Clinical Data Manager to join the...Show more
    Last updated: 1 day ago • Promoted
    Sales Representative - 60k / Year - Remote

    Sales Representative - 60k / Year - Remote

    Spade Recruiting • King, Ontario
    Remote
    Full-time
    Quick Apply
    We’re looking for enthusiastic, self-driven, individuals to assist existing and prospective clients within our organization. This position will work with multiple clients throughout the day pr...Show more
    Last updated: 4 days ago • Promoted
    Sales Associate - CosmoProf Store # 07384

    Sales Associate - CosmoProf Store # 07384

    CosmoProf • Bolton, ON, Canada
    Full-time
    COSMOPROF CANADA SALES ASSOCIATE : .By working at Cosmoprof Canada, you would be part of the largest hair and beauty supplier in the world, and we are on a mission to empower our customers to express...Show more
    Last updated: 30+ days ago • Promoted
    Senior Analytics Engineer - oakville

    Senior Analytics Engineer - oakville

    TekRek • oakville, on, ca
    Full-time
    TekRek has partnered with a fast growing firm specializing in AI enablement and data optimization.Our client works with some of the top tier technology firms in Silcom Valley.With rapid growth and ...Show more
    Last updated: 25 days ago • Promoted
    Data Engineer

    Data Engineer

    Accuro • Mississauga
    Full-time +1
    Job Title : Big Data Engineer with Strong SQL Exp.Location : Mississauga, ON (Hybrid / 03 days onsite).Strong Experience in Apache Hadoop, Spark, Spark SQL, Hive, Impala, Yam, Talend.Have strong exper...Show more
    Last updated: 13 days ago • Promoted
    Hair Stylist - Bradford Smart Centre

    Hair Stylist - Bradford Smart Centre

    Great Clips • BRADFORD, Ontario, Canada
    Full-time +1
    Join a locally owned Great Clips® salon, the world's largest salon brand, and be one of the GREATS! Whether you're new to the industry or have years behind the chair…great opportunities await!!.Bri...Show more
    Last updated: 26 days ago • Promoted
    C# Developer

    C# Developer

    freelance.ca • Vaughan, Canada
    Full-time
    Our client is a global life sciences organization specializing in scientific test and measurement solutions.They are seeking a Senior C# Developer to contribute to a global Research and Development...Show more
    Last updated: 14 days ago • Promoted
    Data Engineer - Atos

    Data Engineer - Atos

    Atos • mississauga, on, ca
    Full-time
    Atos Group is a global leader in digital transformation with c.Atos for services and Eviden for products.European number one in cybersecurity, cloud and high performance computing, Atos Group is co...Show more
    Last updated: 2 days ago • Promoted
    Sr. Python Developer

    Sr. Python Developer

    IntelliPro Group Inc. • Mississauga, ON, Canada
    Full-time
    At least 10 years of Experience in Python development.Must have hands-on experience in Python and Pyspark.Experience in Python testing and code analysis tools like Pytest and Pylint.At least 5 year...Show more
    Last updated: 30+ days ago • Promoted
    North American Payroll Manager - Complex Variable Pay and Data Entry

    North American Payroll Manager - Complex Variable Pay and Data Entry

    DanceBUG Inc. • King City, ON, Canada
    Permanent
    North American Payroll Coordinator (Complex Variable Pay & Data Entry).We are seeking a focused, detail-oriented North American Payroll Manager to independently manage the high-volume, operatio...Show more
    Last updated: 24 days ago • Promoted
    AWS data engineer DWIDC5725169 - Compunnel Inc.

    AWS data engineer DWIDC5725169 - Compunnel Inc.

    Compunnel Inc. • mississauga, on, ca
    Full-time
    Data Engineer with AWS, Glue, Lambda, SQL, Python, Redshift.Must have working knowledge in designing and implementing data pipelines on any of the cloud providers (AWS is preferred).Must be able to...Show more
    Last updated: 14 days ago • Promoted