Senior Software Engineer I
EnergyHubHelsinki, Finland
Full Time
Posted December 23, 2025
$6k - $7k
Smart Grid Technology
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Job Description
A Senior Software Engineer at EnergyHub's Kapacity.io team is responsible for designing and developing scalable software solutions to optimize energy demand, leading technical discussions, and translating complex business requirements into technical roadmaps within the energy and climate tech sector.
Key Responsibilities
- Architect and build scalable software for Kapacity.io's optimization products
- Take ownership of technical quality and design decisions
- Lead technical discussions and improve development processes
- Collaborate with product and sales teams to translate business requirements into technical roadmaps
Requirements
- You bring 5 years of experience delivering complex, production-quality software systems.
- You possess deep expertise in Go language or Python, Docker, and AWS.
- You have strong command of Relational Databases PostgreSQL and time-series data.
- You thrive in ambiguous environments and excel at structuring vague challenges into clear technical solutions.
- You have an interest in energy, buildings, and climate tech.
- You have strong written and verbal communication skills in English.
- You have the ability to work weekly at our office in Helsinki.
Benefits & Perks
Salary range of 5,500 to 6,500 EUR gross per month
Work schedule of approximately 37.5 to 40 hours per week in accordance with Finnish law
Work environment perks including use of Slack, Google, AWS, Zoom, and modern AI tools
Career development opportunities
Work-life balance prioritization
Global impact through work in energy tech
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