Senior Software Engineer - Internal Tools Jobs

Lunar Energy

Location:
United Kingdom

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

At Lunar Energy, we're on a mission to transform the way we power our homes by building an ecosystem of all-electric products, starting with a next-generation home battery system and a cloud PaaS to manage large fleets of Distributed Energy Resources (DER) assets. Comprising a team of visionary entrepreneurs and dedicated technology and industry experts, we're united by our shared vision of deploying and building products to electrify homes that are connected through an integrated software platform. We are seeking a Senior Software Engineer to work on our internal engineering ecosystem. You will join a focused, collaborative team that designs and builds high-leverage tools and automation that directly multiply the productivity of our cross-atlantic teams, ensuring we succeed in our mission.

Job Responsibility:

Developing software tools to manage internal processes such as production lines, hardware procurement or component design
Work across multiple teams in the organisation to gather requirements, architect and deliver end-to-end software tools and cloud services used by the Lunar teams
Define data access patterns and storage models for internal databases and processes, including the company Data Lake, to enhance their efficiency

Requirements:

Good experience in developing Python
Good experience using relational databases
Good experience using infrastructure as code
Experience with Data Warehousing and Data Lakes
Experience integrating internal systems and processes with third-party APIs
A proven track record of at least 3 years’ of developing and architecting software, encompassing the full lifecycle from prototype to production
Ability to gather requirements from non-technical users and use them to drive the development of end-to-end solutions

Nice to have:

Good experience with backend TypeScript or another statically typed language
Direct experience with functional programming
Good experience with Postgres
Good experience using CloudFormation and AWS
Interest in the energy sector or IoT

What we offer:

Competitive salary and stock options package
Private Medical Insurance scheme through BUPA (medical history disregarded)
A wellbeing and lifestyle benefits plan through Medicash
5% employer contributions pension matching
A budget for work-related training of £1,000 per financial year and an allowance of 4 training days
Cycle To Work scheme and Workplace Nursery benefit
Access to Spill - Mental Health Support platform
Enhanced Maternity + Paternity Pay
25 days annual holiday entitlement + 8 Bank Holidays
Flexible start and finish times, fully remote working or hybrid depending on preferences

Additional Information:

Job Posted:
December 10, 2025

Employment Type:

Fulltime

Work Type:

Remote work

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Senior Software Engineer - Internal Tools