Backend (Mid-Level) Software Engineer
Granular Energy
Company Overview
Granular Energy
Paris, France
2021
Approximately 40 employees (source: linkedin.com). Estimated revenue of €5.2 million in 2023 (source: linkedin.com).
What They Do
Granular Energy specializes in the management and trading of clean energy, focusing on providing 24/7 carbon-free energy through hourly matching of electricity with renewable sources (source: linkedin.com). The company's technology is agnostic to renewable technologies, offering infrastructure for tracking and trading clean energy at an hourly granularity. This enables users to effectively manage their energy certificate portfolios (source: linkedin.com). Granular Energy also provides solutions for carbon emissions reporting and compliance automation, facilitating the transition to more sustainable energy systems.
Projects and Background
Granular Energy has recently established strategic partnerships, including with Catalyst Power in the United States, to develop retail energy solutions aligned with new hourly carbon accounting guidelines (source: linkedin.com). In July 2025, the company also collaborated with Grexel and other stakeholders in Ireland to demonstrate the feasibility of hourly Guarantees of Origin, marking a significant pilot project (source: linkedin.com). Granular Energy was recognized as the winner of the Free Electrons 2023 innovation program, granting it direct access to seven of the largest utility companies in the world (source: linkedin.com).
Recent Developments
In September 2025, Granular Energy announced its registration as an Exempt Supply Notification Agent (ESNA) under the UK Balancing and Settlement Code, enabling it to facilitate transparent energy relationships between clean energy producers and end users (source: linkedin.com). In August 2025, the company received accreditation as an official issuer of Granular Certificates, reinforcing its commitment to the transition to 24/7 carbon-free energy (source: linkedin.com).
Working at Granular Energy
Granular Energy employs professionals in various fields, including engineering, product management, business development, and technical support (source: linkedin.com). The company culture is centered around a passion for energy and impact, with a focus on transparency and speed of execution, which is essential for a rapidly growing company (source: linkedin.com). The headquarters is located in Paris, but the company also has active operations in the United States, reflecting its international expansion.
Last updated on Feb 23, 2026 | Report an issue
Granular is a fast-growing climate tech startup developing a platform to help the electricity system transition towards 24/7 clean energy. You can find out more about the 24/7 energy space in this article.
Our SaaS platform provides portfolio management solutions to electricity companies and suppliers, to help them solve the issue of hourly matching between green generation and consumption, at scale.
We are active across Europe and the US and have partnered with Europe's leading power exchange and grid operators, among others. Following a recent oversubscribed funding round, we are extremely well funded with a long runway.
We are dedicated to fostering diversity and nurturing talent. If you don't possess all the skills listed below but believe you have the qualities we're seeking, we encourage you to reach out. We value diverse perspectives and are committed to building an inclusive team.
Key Responsibilities
- Develop, test and release new functionality that powers the Granular Energy Platform. At its heart, this is a sophisticated optimisation problem matching green energy consumption and production coupled with financial risk management and mitigation.
- Help define & shape new product features by working with product and across the organisation
- Contribute and help to improve the ways of working and team culture
Our Current Tech Stack
- Backend: Python exposing REST APIs, Polars
- Database: Postgres
- Infrastructure: Kubernetes on Azure, message queues, blob storage, managed by Terraform
Preferred Experience
- Whilst years of experience isn't a great measure, it's likely you will have 3-6 years of professional experience
- Strong knowledge of a high-level language such as Python, Java or C#. Knowledge of Python is not essential - we seek talented developers with a range of skills along with a willingness and desire to work in Python as a primary language
- Confident and safe use of AI to aid development velocity
- Experience in energy, commodity trading or financial markets, with knowledge of ETRM/CTRMs and front-to-back systems is a strong plus
- Be passionate about team best practices, culture, welfare, and productivity
- Be comfortable moving fast whilst maintaining quality, well-tested software
- Fluent English speaker
- Great interpersonal, communication and organisational skills
- Experience in startup and/or remote environments is a strong plus
- Experience with a relational database such as postgres is a strong plus, with time-series experience even stronger
- Experience with pandas, polars or other data manipulation libraries a plus
- Analytical mindset / mathematical background is a plus
What We Offer
- Transparent salaries based on seniority/location, see below
- Remote first: WFH, in our London office, or your local co-working space. We offer a home office set-up stipend and co-working space allowance or WFH compensation.
- Three all-hands gatherings each year: most recently in Brussels, Paris, Rotterdam
- Minimum 30 days holiday (plus public holidays) and a paid volunteering day
- Physical & mental health: we offer gym subsidies and access to therapy via Spill
- Equity: earn equity in a fast-growing company (BSPCE/EMI)
- Make your mark on an early-stage climate product in a high-impact space
Process
- Initial 30-minute screening call
- Short preparation for tech interview in your choice of programming language
- 90-minute interview technical interview with engineers
- Final interview with Director of Engineering and CPO
Location
Granular is a remote-first organisation and this role is 100% remote. We are open to applicants based in mainland UK, the Netherlands, Belgium, France, and Germany with a reasonable travel time to our all hands locations. We bring the team together on a regular basis for in-person in London/Paris/Amsterdam/etc. and these locations allow us to travel by train and avoid planes!
Compensation
- France €52K - €71K
- Offers Equity
- Netherlands €62K - €85K
- Offers Equity
- Belgium €55K - €74K (including 13th month)
- Offers Equity
- UK mainland £75K - £102K
- Offers Equity
- Germany €64K - €86K
- Offers Equity
Granular Energy is committed to recruiting and retaining a diverse workforce, and we look for candidates who have a high level of demonstrated comfort with cultural competency People of colour, people with disabilities, veterans, women, lesbian, gay, bisexual, and transgender people are encouraged to apply All applicants will be considered without regard to race, colour, national origin, religion, sexual orientation, sex, marital or parental status, disability, gender identity or expression, age, or any other basis prohibited by law
Apply now
Job expired?Please let Granular Energy know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
Apply now
Job expired?Please let Granular Energy know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
See how you’re connected
View connectionsSee your contacts at Granular Energy on LinkedIn and tap your network when applying for this position.
Get job alerts
Get alerts for Energy Analytics jobs in London, United Kingdom
Join Talent Pool
Let clean energy employers find you
About the role
June 5, 2026
Full time
Company
- London, United Kingdom
- Netherlands
- Germany
- France
- Belgium
3-6 years
UTC+00:00