Junior Data Engineer: Climate Data Pipelines & SQL (London)

CarbonChain; Greater London; On-site; GBP 32,000 - 46,000; Full time

Benefits offered by this job

28 days annual leave

£500 home office setup allowance

£2,000 annual learning allowance

Generous parental leave policy

Weekly team lunches in the office

Office gym

Job summary

CarbonChain is seeking a Junior Data Engineer in London to join the team maintaining our trades and emissions data pipeline. You will ingest customer data, write SQL, and help transform data into reliable, carbon-accounted insights.

This early-career role emphasizes learning, hands-on tasks, and growth in a fast‑growing climate-tech company. You will gain fluency with our data, tooling, and industry practices while contributing to dashboards and monitoring as you build domain expertise in supply

Qualifications

• Hands-on experience with Python and SQL in real projects (academic, personal or professional).
• Ability to handle messy real-world data with rigor and accuracy.
• Willingness to learn quickly and take ownership of tasks.

Responsibilities

• Ingest customers’ trade and supply chain data, map and transform into data models.
• Write SQL to answer questions and validate data behavior.
• Apply validation checks to catch nulls, duplicates, and late-arriving data.
• Build simple ingestion and transformation steps and adjust the pipeline as needed.
• Contribute to dashboards and internal tooling following existing patterns.
• Learn monitoring concepts and triage alerts with runbooks and context.
• Develop domain knowledge mapping trade data to carbon accounting.

Skills

Python

SQL

Communication

Detail-oriented

Ownership mindset

Data pipelines

Tools

BigQuery

dbt

Metabase

Job description

CarbonChain is seeking a Junior Data Engineer in London to join the team maintaining our trades and emissions data pipeline. You will ingest customer data, write SQL, and help transform data into reliable, carbon-accounted insights.

This early-career role emphasizes learning, hands-on tasks, and growth in a fast‑growing climate-tech company. You will gain fluency with our data, tooling, and industry practices while contributing to dashboards and monitoring as you build domain expertise in supply