Full Stack Data Engineer (City of London)

Location: London – Mostly remote initially

Salary: £35k - £50k depending on experience

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 our growth. We are looking for a highly skilled Full Stack Developer with expertise primarily in database design and administration, Python and React to 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 a developer with strong foundational knowledge of database design and web applications. In this role, you'll be working on a range of projects from data modelling, server administration, building the front and back end of web apps and working with clients to integrate their systems into our analytical model. You will also need to be adaptable and love learning new technologies as we on-board clients with a range of technologies you may have never seen before, whilst taking care to ensure client data is secure and protected at all times. As part of our growing team, you'll be closely collaborating with the founders to develop our systems and processes from the ground up.

Key Responsibilities:

• Design, develop, and maintain efficient, fast and scalable databases for real-time analytics.
• Write and optimize SQL for data retrieval, reporting, and transformation.
• Build and maintain full-stack web applications using Python and React.
• Develop Python scripts and services to handle data processing and ETL tasks.
• Collaborate with co-founders to define database schema and data pipelines, ensuring seamless integration with our applications.
• Always be conscious of security and performance considerations, to keep client confidence high and service costs low.
• Develop reusable integrations with existing client systems and APIs.

Required Skills & Experience:

• Experience as a Full Stack Developer with a focus on databases and front/back end technologies
• Extensive experience with relational databases (Postgres, MySQL, etc), including query optimization, schema design, and data modelling.
• Proficiency with Python for backend services, data processing, and integration tasks.
• Experience with a modern front-end technology like React or Vue.js.
• Experience using, designing and documenting APIs and associated authentication methods.
• Familiarity with version control systems, ideally 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, orchestration and pipeline technologies (Apache Airflow/Kafka, Azure DataFactory etc.).
• Experience with DBT for modelling
• Server administration and networking fundamentals