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Big Data Engineer Jobs

Engineers who design, build, and optimise the infrastructure that processes and stores massive datasets. A critical role in the data engineering ecosystem, ensuring data is accessible and usable at scale.

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Big Data Engineers are the architects of the data infrastructure that powers modern businesses. They design, build, and optimise the systems that process, store, and manage vast amounts of data. This role is distinct from data science and machine learning engineering, focusing instead on the foundational layers that enable data-driven decision-making. Big Data Engineers work with technologies like Apache Hadoop, Apache Spark, and data lakes, ensuring that data is accessible, reliable, and scalable.

What the role does

Inside the role of a Big Data Engineer

A typical week for a Big Data Engineer is a mix of designing and implementing data pipelines, troubleshooting issues, and collaborating with cross-functional teams.

  1. 01
    Design and implement data pipelines using tools like Apache Spark and Hadoop.
  2. 02
    Optimise data storage and retrieval processes for efficiency and scalability.
  3. 03
    Collaborate with data scientists and analysts to understand data requirements.
  4. 04
    Troubleshoot and resolve issues in the data infrastructure.
  5. 05
    Document and maintain data architecture and processes.
  6. 06
    Stay updated with the latest big data technologies and best practices.
Career ladder

From Junior to Principal

A typical UK progression for big data engineers. Years are guidance — strong people move faster, and many senior folks sidestep into research, product or management.

  1. Level 1

    Junior Big Data Engineer

    0–2 yrs

    Assists in the design and implementation of data pipelines, focusing on learning and contributing to small-scale projects.

  2. Level 2

    Big Data Engineer

    2–5 yrs

    Takes ownership of designing and implementing data pipelines, ensuring they meet performance and scalability requirements.

  3. Level 3

    Senior Big Data Engineer

    5–8 yrs

    Leads the design and optimisation of complex data infrastructure, mentoring junior engineers and collaborating with cross-functional teams.

  4. Level 4

    Principal Big Data Engineer

    8+ yrs

    Strategises and oversees the development of enterprise-wide data infrastructure, driving innovation and best practices.

Pathway

How to become a Big Data Engineer

There's no single route, but most people follow some version of these steps.

  1. 1

    Learn the Basics

    Start by gaining a solid understanding of big data technologies and tools, such as Hadoop and Spark.

  2. 2

    Build Small Projects

    Gain hands-on experience by working on small-scale data pipeline projects, focusing on design and implementation.

  3. 3

    Optimise and Scale

    Learn to optimise data storage and processing for efficiency and scalability, handling larger datasets.

  4. 4

    Lead Projects

    Take on leadership roles in designing and implementing complex data infrastructure, mentoring junior engineers.

  5. 5

    Strategise and Innovate

    Develop strategic initiatives to drive innovation in data infrastructure, collaborating with cross-functional teams.

  6. 6

    Mentor and Advise

    Serve as a senior advisor, guiding the development of enterprise-wide data strategies and best practices.

Live jobs

1 live role

Data Engineer (Big Data/ Hadoop/ Spark Dev)

Your new companyWorking for a renowned financial services organisationYour new roleWe're looking for a Data Engineer to design and deliver scalable on prem, high‑quality data solutions for low/ high-level data platforms that power analytical and business insights. This is a...

Hays Technology London, United Kingdom £550 – £700 pd
Hiring locations

Where this role is hiring

The locations with the most live listings for this role today.

London

Location
1 open
FAQs

Common questions

  • Key skills include proficiency in big data technologies like Hadoop and Spark, strong programming skills, and a deep understanding of data storage and retrieval systems.

  • A Big Data Engineer focuses on building and optimising the infrastructure that processes and stores data, while a Data Scientist focuses on analysing and modelling data to derive insights.

  • Common tools include Apache Hadoop, Apache Spark, Apache Kafka, and data lakes like Amazon S3 and Google Cloud Storage.

  • Advance by gaining experience, leading projects, and staying updated with the latest technologies and best practices in data engineering.

  • Salaries vary based on experience and location. For specific salary ranges, please refer to the salary section on this page.

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