Senior Python Engineer

London, England, United Kingdom

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Climate Tech, Sustainability, Supply Chain Management, FintechIndustries

Requirements

Candidates should have 4+ years of backend engineering experience with a strong focus on Python, proficiency in developing RESTful APIs and integrating with external services, and solid experience with PostgreSQL, Docker, and cloud platforms (GCP preferred). Familiarity with distributed systems, background processing (e.g., Celery), message queues (e.g., PubSub), experience in early-stage startups, a product-minded approach, passion for climate solutions, and the ability to work in the London office 3 days per week are also required.

Responsibilities

The Senior Python Engineer will design and implement robust, scalable backend services using Python (FastAPI preferred), build and maintain core APIs for customer workflows and integrations, and work with data engineering to ingest, transform, and expose environmental and operational datasets. They will ensure high system reliability and performance by writing testable and maintainable code, collaborate with product and design teams, and implement best practices for code quality, CI/CD, observability, and infrastructure-as-code. Participation in technical architecture discussions and making foundational decisions is also expected.

Skills

Python

FastAPI

Backend Development

Scalability

Data Pipelines

Software Engineering

CarbonChain

Provides carbon tracking solutions for businesses

About CarbonChain

CarbonChain provides carbon tracking solutions that help businesses measure and reduce their greenhouse gas emissions. Their main product is a carbon tracker that allows organizations to analyze the impact of their activities and pinpoint areas that produce the most carbon emissions. This tool is especially useful for companies that need to comply with carbon border adjustment mechanisms (CBAM), which are regulations that impose tariffs on imported goods based on their carbon footprint. CarbonChain offers accurate global data on greenhouse gases like CO2 and methane, assisting businesses in meeting international carbon regulations and finding suppliers with lower carbon emissions. The company operates on a subscription model, charging recurring fees for access to its platform and data services, and also provides consulting to help clients improve their carbon reduction strategies.

London, United KingdomHeadquarters

2017Year Founded

$10.6MTotal Funding

SERIES_ACompany Stage

Data & Analytics, Consulting, EnergyIndustries

11-50Employees

Benefits

Health Insurance

Unlimited Paid Time Off

Home Office Stipend

Professional Development Budget

Paid Vacation

Parental Leave

Private Healthcare

Gym Membership

Flexible Work Hours

Risks

Emerging competition from new platforms could threaten CarbonChain's market position.

Frequent updates needed due to evolving carbon accounting standards may strain resources.

Data privacy risks arise from handling sensitive emissions data in partnerships.

Differentiation

CarbonChain offers AI-powered carbon tracking with third-party validated methodologies.

The platform provides end-to-end visibility into supply chain emissions for carbon-intensive industries.

CarbonChain's partnership with thyssenkrupp enhances its low-carbon metals procurement capabilities.

Upsides

Growing demand for carbon accounting due to EU's Carbon Border Adjustment Mechanism.

Increased investment in AI-driven environmental technology boosts CarbonChain's market potential.

Partnerships with traditional industries facilitate integration of advanced carbon tracking solutions.

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