Backend (Mid-Level) Software Engineer

Granular
France · Netherlands · Germany · Belgium · Europe · United Kingdom · Mainland, PA · Ely, United Kingdom · Ash, United Kingdom€52k–€71kPosted Jun 4, 2026
Backend (Mid-Level) Software Engineer LocationEurope; Belgium; France; Germany; Mainland UK; NetherlandsEmployment TypeFull timeLocation TypeRemoteDepartmentTechnologyCompensationFrance€52K – €71KNetherlands€62K – €85K • Offers EquityBelgium€55K – €74K • Offers EquityUK mainland£63K – £86K • Offers EquityGermany€64K – €86K • Offers EquityWe have transparent salaries which are benchmarked by location and seniority. We aim to pay above market rates.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 organisationContribute and help to improve the ways of working and team cultureOur current tech stackBackend: Python exposing REST APIs, PolarsDatabase: PostgresInfrastructure: Kubernetes on Azure, message queues, blob storage, managed by TerraformPreferred ExperienceWhilst 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 languageConfident and safe use of AI to aid development velocityExperience in energy, commodity trading or financial markets, with knowledge of ETRM/CTRMs and front-to-back systems is a strong plusBe passionate about team best practices, culture, welfare, and productivity Be comfortable moving fast whilst maintaining quality, well-tested softwareFluent English speakerGreat interpersonal, communication and organisational skillsExperience in startup and/or remote environments is a strong plusExperience with a relational database such as postgres is a strong plus, with time-series experience even strongerExperience with pandas, polars or other data manipulation libraries a plusAnalytical mindset / mathematical background is a plusWhat we offerTransparent salaries based on seniority/location, see belowRemote 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, RotterdamMinimum 30 days holiday (plus public holidays) and a paid volunteering dayPhysical & mental health: we offer gym subsidies and access to therapy via SpillEquity: earn equity in a fast-growing company (BSPCE/EMI)Make your mark on an early-stage climate product in a high-impact spaceProcessInitial 30-minute screening callShort preparation for tech interview in your choice of programming language90-minute interview technical interview with engineers Final interview with Director of Engineering and CPOLocationGranular is a remote-first organisation and this role is 100% remote. We are open to applicants based in mainland UK, the...

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