Database Reliability Engineer

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

Salary: £63,000 - 103,000 per year

Requirements:

• 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
• Strong understanding of data validation, testing, and quality assurance practices
• Experience managing infrastructure through IaC tooling such as Pulumi or AWS CDK
• Ability to quickly understand new business domains and translate unfamiliar logic into clean, intuitive data models
• Bonus: experience with ClickHouse or columnar databases
• Bonus: familiarity with cloud-based data orchestration tools such as Dagster or Step Functions
• Bonus: CI/CD practices for data pipelines and transformations
• Bonus: experience operating databases at scale in a production environment

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

Technologies:

• AWS
• Backend
• CI/CD
• ClickHouse
• Cloud
• Support
• Network
• Pulumi
• Python
• SQL
• dbt
• AI

More:

We are Fuse Energy, a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy fast. We are combining first-principles thinking with cutting-edge technology to build a radically better energy system. We have raised $210M from top-tier investors including Multicoin, Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, Box Group, and strategic angels. We are building a fully integrated energy company, from developing solar, wind, and hydrogen projects to real-time power trading and distributed energy installations. We also sell directly to consumers to cut out the middleman, lower costs, and pass on savings. In addition, we are building the Energy Network, a decentralised platform of smart devices to electrify homes, shift usage to off-peak hours, and help balance the grid. We offer a competitive salary, an equity sign-on bonus, a biannual bonus scheme, fully expensed tech to match your needs, paid annual leave, and a breakfast and dinner allowance for office-based employees.

last updated 36 week of 2026