Senior DB Reliability Engineer – Postgres/ClickHouse

Fuse Energy Supply; Greater London; On-site; GBP 63,000 - 103,000; Full time

Benefits offered by this job

Equity sign-on bonus

Biannual bonus

Fully expensed tech

Paid annual leave

Breakfast and dinner allowance

Job summary

Fuse Energy is hiring a backend/data engineer to own our database infrastructure and data pipelines in a scalable, production-ready setup. You will design analytical schemas, migrate data from Postgres to ClickHouse, and build DBT models to empower analytics across teams.

The role emphasizes reliability, quality checks, and IaC-driven changes, with a focus on data modeling and cloud-based tooling such as AWS and Pulumi. Remote-friendly in a fast-growing renewable energy startup.

Qualifications

• 3+ years of experience in a backend engineering or data-focused engineering role.
• Proficiency in Python and SQL.
• Hands-on experience with relational databases, particularly Postgres.
• Experience designing schemas and building data models that reflect real-world business logic.
• Familiarity with DBT or similar data transformation frameworks.

Responsibilities

• Own the reliability, performance, and scalability of our database infrastructure across Postgres and ClickHouse.
• Build and maintain scalable, reliable data pipelines to support analytics, reporting, and product needs.
• Own the design and evolution of analytical schemas, translating business logic into structured, intuitive data models.
• Migrate and transform data from Postgres into ClickHouse, ensuring performance and reliability.
• Develop and maintain DBT models that reflect our business domain and make data easily accessible for teams.
• Implement tests and data quality checks to ensure reliable and trustworthy datasets.
• Identify and eliminate duplicates, improve data consistency, and enforce clean modelling standards.
• Manage all database and infrastructure changes through IaC and minimise direct database modifications.

Skills

Python

SQL

Postgres

Data modeling

dbt

IaC

Pulumi

AWS

CI/CD

ClickHouse

Tools

Pulumi

AWS

ClickHouse

CI/CD

Job description

Fuse Energy is hiring a backend/data engineer to own our database infrastructure and data pipelines in a scalable, production-ready setup. You will design analytical schemas, migrate data from Postgres to ClickHouse, and build DBT models to empower analytics across teams.

The role emphasizes reliability, quality checks, and IaC-driven changes, with a focus on data modeling and cloud-based tooling such as AWS and Pulumi. Remote-friendly in a fast-growing renewable energy startup.