Immediate Joiners
Job Title: Junior Big Data Developer (Python & SQL)
Salary:
Location: London
Employment Type: Full-Time
Department: Data Engineering / Big Data
About the Role
We are seeking a motivated Junior Big Data Developer with strong skills in Python and SQL to join our growing data engineering team. In this role, you will help design, build, and maintain large-scale data processing systems that enable analytics, reporting, and machine learning initiatives. This position is ideal for someone with a passion for data and a desire to develop technical expertise in Big Data technologies.
Key Responsibilities
- Assist in the development, testing, and maintenance of big data pipelines for processing large volumes of structured and unstructured data.
- Write efficient Python scripts for data ingestion, transformation, and automation.
- Develop and optimize SQL queries to extract, clean, and manipulate data from various databases.
- Work with ETL tools and data integration frameworks to move data across systems.
- Collaborate with data engineers, data scientists, and analysts to ensure reliable data flow and accessibility.
- Monitor and troubleshoot data pipeline performance issues.
- Maintain data quality, consistency, and integrity across all data sources.
- Document technical workflows and participate in code reviews.
Required Qualifications
- Bachelor\'s degree in Computer Science, Information Technology, Data Engineering, or a related field.
- Strong programming skills in Python (experience with libraries such as pandas, PySpark, or SQLAlchemy is a plus).
- Proficiency in SQL with hands-on experience writing complex queries, joins, and data manipulations.
- Basic understanding of data warehousing concepts and ETL processes.
- Familiarity with Big Data ecosystems such as Hadoop, Spark, Hive, or Kafka.
- Knowledge of Linux/Unix environments and command-line tools.
- Strong analytical, problem-solving, and communication skills.
- Eagerness to learn and adapt to new tools and technologies in the data engineering domain.
Preferred Qualifications
- Exposure to cloud platforms like AWS (Glue, EMR, Redshift), Azure (Data Factory, Synapse), or Google Cloud (BigQuery, Dataflow).
- Experience working with data lakes or data warehouse architectures.
- Familiarity with version control systems (Git) and CI/CD pipelines.
- Internship, coursework, or project experience related to big data or data pipeline development.
What We Offer
- Mentorship and hands-on experience with modern big data technologies.
- Opportunities for professional growth in data engineering and analytics.
- Competitive salary and comprehensive benefits.
- A collaborative, learning-oriented environment that values innovation and teamwork.
- Access to training resources and certifications in cloud and big data platforms.
Job Types: Full-time, Permanent
Pay: £35,000.00-£45,000.00 per year
Ability to commute/relocate:
- London: reliably commute or plan to relocate before starting work (preferred)
Application question(s):
- Request you to mention your visa type.
- We must fill this position urgently. Can you start immediately?
Education:
- Bachelor\'s (preferred)
Application deadline: 19/01/2026
Contact Details:
Information Tech Consultants Recruitment Team