Senior Data Engineer

Job Title: Senior Data Engineer

Reports To: Head of Data and Systems

Role Purpose: 

As a Senior Data Engineer in Bluefield Services, you will bring broad experience in end-to-end Python development and building scalable, secure, and user-friendly applications in cloud environments. You will play a key role in designing and implementing robust data pipelines, APIs and user interfaces that power our in-house system, responsible for gathering data from our solar farms and processing it to drive business operations and decisions. As part of a small team, you will be comfortable working across a broad range of tasks and technologies, taking ownership from design through to delivery.

Duties and Responsibilities:

• Develop, and maintain in-house Python-based applications using Flask.
• Build and optimise both user interfaces and APIs.
• Develop and manage ETL pipelines with concurrency to handle large-scale data processing.
• Ensure infrastructure is scalable and maintainable using Infrastructure as Code tools.
• Implement and maintain relational databases, primarily PostgreSQL, using ORM libraries such as SQLAlchemy.
• Understand, monitor and troubleshoot a wide range of AWS resources.
• Drive quality in a system used in regular reporting through automated tests and code review standards.
• Maintain clear system documentation.
• Contribute to front-end development using HTML and CSS where needed.
• Collaborate with data team to develop strategies that ensure products effectively support the company’s objectives.
• Develop understanding and ownership of the system by working closely with the existing data engineers and getting to grips with the code.

Required Qualifications, Skills and experience:

Qualifications & Experience

• Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.
• Minimum of 4 years of professional experience in Python software development, able to bring experience from multiple projects / problem domains.
• Experience planning system design/architecture.
• Proven experience with Python web frameworks.
• Strong understanding of API development.
• Hands-on experience with ETL (Extract, Transform, Load) pipelines and concurrent processing.
• Experience in cloud platforms.

Technical Stack (or equivalent)

• Cloud Platforms: AWS (ECS, S3, EC2, RDS, CloudWatch).
• Frameworks & Libraries: Flask, SQLAlchemy.
• Operating Systems: Linux.
• Front-End: HTML, CSS.
• Databases: PostgreSQL.
• Infrastructure as Code: Pulumi.
  
  

Job Location:

Bristol Central. Minimum 3 days in office. Hybrid working available.

Hours of Work:

Full time is 37 ½ hours per week, Monday to Friday 9:00 am until 5:30 pm.

We will also consider part-time (reduced working days).