Full Stack Data Engineer

Kolayo
London
3 weeks ago
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Job Title: Full Stack Database Developer (SQL, Python, & React)

Location:London – Mostly remote initially
Salary:£35k - £40k
Employment Type:Full-time

About Us:
At Kolayo, we're dedicated to building innovative, data-driven solutions that empower businesses and organisations to make smarter, faster decisions. We specialise in developing cutting-edge technologies, and having recently secured funding to accelerate growth, we are looking for a highly skilledFull Stack Database Developerwith expertise inSQL,Python, andReactto help us deliver exceptional, data-centric applications. Join us in making an impact while growing your career in a fast-paced and collaborative environment.

Role Overview:
We are looking for aFull Stack Database Developerwho has a strong foundation in developing scalable and efficient database systems and web applications. In this role, you'll work on both the backend and front-end of our applications, focusing on database architecture, integration, and data processing, while also ensuring seamless user experiences via a dynamic React interface.

As part of our growing team, you'll have the opportunity to work on complex data-driven projects, building solutions that involve SQL database management, Python scripting, and modern web technologies, collaborating closely with both co-founders.

Key Responsibilities:

  • Design, develop, and maintain efficient, scalable databases (SQL), ensuring data integrity and performance optimization.
  • Build and maintain full-stack web applications, including both front-end (React) and back-end (Python) components.
  • Write and optimize SQL queries for data retrieval, reporting, and transformation.
  • Develop robust Python scripts and services to handle data processing, ETL tasks, and database interactions.
  • Collaborate with co-founders to define database schema and data pipelines, ensuring seamless integration with the application.
  • Implement data security and performance best practices to ensure the integrity and speed of both the application and databases.
  • Create RESTful APIs and ensure smooth communication between the database and front-end.

Requirements

Required Skills & Experience:

  • Experience as a Full Stack Developer with a focus on databases (SQL), back-end (Python), and front-end (React).
  • Extensive experience with SQL databases (PostgreSQL, MySQL, or similar), including query optimization, schema design, and data modeling.
  • Proficiency with Python for backend services, data processing, and integration tasks.
  • Proficiency of React.js and JavaScript for building responsive, user-friendly interfaces.
  • Experience building and consuming RESTful APIs to connect front-end and back-end components.
  • Strong understanding of database architecture, indexing, and query performance optimization.
  • Ability to work with large datasets, complex queries, and ensure data consistency across the system.
  • Familiarity with version control systems, particularly Git.
  • Strong analytical and troubleshooting skills, with the ability to resolve complex data-related issues.

Nice to Have:

  • Familiarity with cloud platforms (AWS, GCP, Azure) and cloud-based database services (Snowflake).
  • Knowledge of data warehousing and data pipeline technologies (ETL, Apache Kafka, etc.).
  • Experience with DBT for orchestration

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